US20060241658A1 - Method and apparatus for suture placement - Google Patents
Method and apparatus for suture placement Download PDFInfo
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- US20060241658A1 US20060241658A1 US11/110,432 US11043205A US2006241658A1 US 20060241658 A1 US20060241658 A1 US 20060241658A1 US 11043205 A US11043205 A US 11043205A US 2006241658 A1 US2006241658 A1 US 2006241658A1
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- cannula
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- suture
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0469—Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
- A61B17/1778—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the shoulder
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1796—Guides or aligning means for drills, mills, pins or wires for holes for sutures or flexible wires
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0483—Hand-held instruments for holding sutures
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0485—Devices or means, e.g. loops, for capturing the suture thread and threading it through an opening of a suturing instrument or needle eyelet
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0487—Suture clamps, clips or locks, e.g. for replacing suture knots; Instruments for applying or removing suture clamps, clips or locks
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1714—Guides or aligning means for drills, mills, pins or wires for applying tendons or ligaments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/0404—Buttons
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- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/0409—Instruments for applying suture anchors
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/0445—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors cannulated, e.g. with a longitudinal through-hole for passage of an instrument
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- A—HUMAN NECESSITIES
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/0446—Means for attaching and blocking the suture in the suture anchor
- A61B2017/0456—Surface features on the anchor, e.g. ribs increasing friction between the suture and the anchor
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- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B2017/06052—Needle-suture combinations in which a suture is extending inside a hollow tubular needle, e.g. over the entire length of the needle
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- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06066—Needles, e.g. needle tip configurations
- A61B2017/06076—Needles, e.g. needle tip configurations helically or spirally coiled
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- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/3445—Cannulas used as instrument channel for multiple instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Definitions
- This invention relates to methods and apparatus for suture placement.
- Surgical procedures frequently involve the placement of suture in a material, such as body tissue, a prosthetic or other medical implant or device, or combinations thereof.
- a material such as body tissue, a prosthetic or other medical implant or device, or combinations thereof.
- Many different approaches and devices have been developed for suture placement.
- suturing instruments exist for placing sutures in body tissues or other materials.
- One such device is the SMARTSTITCH suturing device sold by Opus Medical of San Juan Capistrano, Calif.
- This device may be used in an arthroscopic technique to place a mattress stitch in a rotator cuff tendon when reattaching the tendon to the humerus.
- the device has a set ofjaws that are used to clamp the tendon, and then fire a pair of retractable needles that extend through the tendon, engage suture, and draw the suture through the tendon as the needles retract.
- FIG. 1 shows a schematic diagram of a humerus 1 and a portion of a rotator cuff tendon 2 that is normally attached to the head of the humerus.
- the tendon 2 may detach or be partially torn from the humerus 1 , such as that shown schematically in FIG. 2 .
- Such damage may be repaired by reattaching the rotator cuff tendon to the humerus 1 by a suture or other fixation so that the body's normal healing processes can naturally effect reattachment of the tendon to the bone.
- One repair technique for reattaching the rotator cuff 2 to the humerus 1 involves fixing an anchor 101 at a margin between the articulating portion 11 of the humerus 1 and the humerus' greater tuberosity 12 .
- a suture 102 is secured to the rotator cuff 2 , e.g., using the suturing device described above, and is secured to the anchor 101 .
- the suture 102 is then tensioned so that the rotator cuff 2 is held in place close to the humerus 1 . Thereafter, the body may reestablish the proper attachment of the rotator cuff 2 to the humerus 1 .
- an apparatus in one aspect of the invention, includes a cannula having at least one lumen and that is constructed and arranged to be used in a minimally-invasive surgical procedure.
- a cannula may be usable in an arthroscopic procedure when performing surgery on a shoulder or knee.
- a needle may be attached to the cannula and may have a tissue penetrating portion adapted to carry a suture. The needle may be manipulated by movement of the cannula to place the suture in a material.
- One feature that may be provided in some embodiments is to allow the cannula to be used for other additional purposes, such as visualization of the surgical site through the same cannula used to place a suture by providing an endoscopic camera in the cannula lumen.
- another surgical instrument may be provided in the cannula, such as a grasping device that is used to hold a material in place while the needle is used to place a suture in the material.
- the needle may be selectively attached to and/or separated from the cannula.
- the cannula and needle may include complementary locking members that engage with each other and allow the needle to be used to place a suture by manipulation of the cannula.
- the cannula may be usable in a minimally-invasive procedure, and then the needle engaged with/disengaged from the cannula as needed.
- aspects of the invention provided a cannula and needle arrangement that may be used to place a stitch in a rotator cuff during a surgical repair. However, not all aspects of the invention are restricted to use in rotator cuff repair.
- FIG. 1 is a schematic diagram of a head of a humerus and attached rotator cuff tendon
- FIG. 2 shows a prior art technique for repairing a rotator cuff injury
- FIG. 3 is a schematic diagram of a tissue repair arrangement in accordance with an aspect of the invention.
- FIGS. 4-6 show the use of a needle for placing a suture in a tissue in accordance with the invention
- FIG. 7 shows a needle in engagement with a cannula in accordance with an aspect of the invention
- FIG. 8 shows an illustrative arrangement for engaging a needle with a cannula in one embodiment
- FIG. 9 shows an illustrative arrangement for engaging a sleeve and needle assembly with a cannula in accordance with another embodiment
- FIG. 10 shows a guide apparatus used in forming a passageway in accordance with the invention
- FIG. 11 shows the use of a guide apparatus for passing a suture or other element through a transosseous passageway in accordance with the invention
- FIG. 12 shows a technique for passing a suture placed in a tissue through a passageway
- FIG. 13 shows the engagement of a suture with a suture fixation device in accordance with the invention
- FIG. 14 shows the placement of a suture fixation device relative to the bone in accordance with the invention
- FIG. 15 shows a suture fixation device engagement tool in engagement with a suture fixation device in accordance with the invention.
- FIGS. 16 A-B and 17 A-B show side and rear views, respectively, of illustrative embodiments of suture fixation devices in accordance with the invention.
- aspects of the invention are described below with reference to specific embodiments. For example, aspects of the invention are described in the context of performing a rotator cuff repair. However, it should be understood that aspects of the invention are not necessarily restricted to rotator cuff repair techniques, or even to surgical techniques performed on a shoulder. Rather, various aspects of the invention may be used in any suitable surgical procedure. Also, aspects of the invention are described in a procedure involving the formation of a transosseous passageway, securing a suture in the passageway, etc. However, it should be understood that aspects of the invention, such as aspects relating to a cannula and attached needle, may be used in any surgical procedure, such as a rotator cuff repair that involves the use of an anchor like that shown in FIG. 2 .
- aspects of the invention may be used in an open surgical procedure or in a closed or minimally-invasive procedure, such as an arthroscopic procedure. Also, various aspects of the invention may be used in any suitable surgical or other procedure involving any suitable body portions, such as bone, muscle, skin, vascular structures, digestive structures or other tissue, implants, mesh, or other medical devices, etc. Aspects of the invention may be used alone, and/or in combination with any other aspects of the invention.
- a needle used to place a suture in a material may be engaged with a cannula, such as an arthroscopic cannula.
- a cannula such as an arthroscopic cannula.
- the needle and cannula may have complementary locking members or otherwise arranged so that the needle may be selectively engaged with the cannula.
- the cannula may be usable as a standard arthroscopic cannula, and if needed, may be engaged with the needle. Thereafter, the needle and cannula may be used to place the suture in the selected tissue.
- FIG. 3 shows a schematic diagram of a surgical repair in accordance with aspects of the invention.
- aspects of the invention are described with reference to a rotator cuff repair for ease of reference and understanding, aspects of the invention may be used in any surgical or other procedure, and may involve any suitable body portions, such as bone, muscle, other tissue or combinations thereof, the brain, medical implants or other devices, etc. Thus, aspects of the invention are in no way limited to the specific embodiments and examples described herein.
- a rotator cuff tendon 2 is secured by a suture 3 relative to a humerus 1 .
- the suture 3 is placed in the tendon 2 , for example, using a mattress stitch or other arrangement, and is passed through a passageway 5 formed through the humerus 1 .
- the passageway 5 is formed by first and second intersecting holes.
- a first hole 51 is formed vertically as shown in FIG. 3 from a first opening at or near a margin between the articulating surface 11 and the greater tuberosity 12 of the humerus 1 .
- the second hole 52 is formed horizontally as shown in FIG. 3 from a lateral position on the humerus 1 .
- the suture 3 is secured at the second opening of the second hole using a suture fixation device 4 that is positioned adjacent the second opening.
- a suture fixation device 4 that is positioned adjacent the second opening.
- the first and second holes 51 and 52 are arranged at approximately right angles, the first and second holes may be arranged at any suitable angle and may be colinear (i.e., at a 180 degree angle relative to each other).
- a wire, other material or the suture 3 may be manipulated in the passageway 5 so as to cut through or crush the relatively soft cancellous bone of the humerus in the passageway 5 so that the suture follows a relatively straight path between the first and second openings into the first and second holes 51 and 52 .
- the relatively straight pathway may be formed by a “flossing” operation, such as by using a wire that is passed through the passageway 5 and is manipulated, e.g., tensioned and reciprocally drawn between the first and second openings, so as to cut through or crush the cancellous bone, thereby forming a relatively straight path for the suture 3 .
- a surgeon When deciding where to locate the first hole 51 for the passageway 5 , a surgeon often will wish to first determine the final position for the tissue relative to the bone. To do so, the surgeon may wish to place a suture in the tendon 2 and tension the suture 3 (and thus the tendon 2 ) so that a desired position for the first hole 51 may be determined, e.g., based on the position of the tendon 2 relative to the bone when under tension.
- FIGS. 4-6 show an embodiment of a needle 6 having a hook-shaped tissue penetrating portion 61 at a distal end in accordance with the invention.
- the tissue penetrating portion 61 of the needle 6 has a semi-circular shape and is arranged at an angle, such as 90 degrees to a longitudinal axis of a straight portion 62 of the needle 6 .
- the needle 6 may be formed as a hollow tube so that the suture 3 may pass through the needle 6 .
- Suture may be loaded in the hollow portion of the needle 6 before the surgical procedure is begun, e.g., at the time of manufacture of the needle, or at any suitable time, such as during the surgical procedure.
- the suture may be fed into the hollow portion of the needle 6 before the tissue penetrating portion 61 is formed, e.g., by bending a tube to form a curved end shape.
- the arrangement of the needle 6 may allow placement of a mattress stitch in the tissue 2 by rotating the needle as shown in FIGS. 4-6 so that a tip of the tissue penetrating portion 61 passes through a top side of the tissue 2 and exits from a bottom side of the tissue 2 as shown in FIG. 5 , and then passes upwardly through the tissue 2 to reemerge at a top side of the tissue 2 as shown in FIG. 6 .
- the suture 3 extending from the tip of the tissue penetrating portion 61 may be grasped, such as by forceps or other gripping device, and the needle 6 may be rotated in reverse so as to again position the needle 6 as shown in FIG.
- the needle 6 may be used to place a suture in any material, including a tissue, such as a tendon as shown, a prosthetic or other surgical implant, etc.
- tissue or other material may be held in place, or may be manipulated, by a grasper or other device inserted into the lumen of the cannula.
- the tissue or other material may also be held in place, or manipulated, by another device, such as a grasper or clamp positioned external to the cannula.
- the tissue penetrating portion 61 of the needle 6 may have any suitable shape and may be arranged in a plane that is transverse at any angle to an axis of rotation of the tissue penetrating portion 61 when placing a suture in tissue. That is, although in the illustrated embodiment the tissue penetrating portion 61 has a semi-circular form that lies in a plane at 90 degrees to the rotation axis of the tissue penetrating portion 61 when placing a suture, the tissue penetrating portion 61 need not have a semi-circular form and may lie at any desired angle to the rotation axis. For example, the tissue penetrating portion 61 may be arranged so as to place an inclined mattress stitch in a tissue 2 .
- the needle 6 need not be used only to form a mattress stitch, but rather may be used to form any other suitable stitch type. Also, it is not necessary that the tissue penetrating portion 61 of the needle 6 include a portion that lies in a single plane. Instead, the tissue penetrating portion 61 may not lie in a single plane, e.g., may have a corkscrew-type or partially helical configuration.
- all or portions of a tissue repair procedure may be performed arthroscopically.
- one or more cannulas may be provided in one or more portals formed in the patient so as to provide access to the operative site.
- a needle used to place a suture in a tissue such as the needle 6 shown in FIG. 4 , may be used in an arthroscopic procedure.
- the needle 6 may be secured to a cannula so that the needle may be operated by manipulation of the cannula.
- FIG. 7 shows an illustrative embodiment of a needle 6 that is secured to a cannula 7 .
- the cannula 7 may have any suitable features found in cannulas used for closed or minimally-invasive surgical techniques, such as one or more valves to resist fluid flow through the cannula 7 , an opening through which to introduce a fluid pressure or vacuum, spiral threads or other features on the cannula to aid in placement of the cannula in a portal and/or to help prevent inadvertent removal of the cannula from the portal, and so on.
- the cannula 7 may be arranged for any type of procedure, such as arthroscopic procedures.
- the needle 6 may be secured to the cannula 7 in any suitable way.
- the needle 6 may be molded into the body of the cannula 7 , inserted into the wall of the cannula, may be secured by adhesive, welding, clamps, fasteners, interlocking channels, open channels, or any other suitable device.
- a proximal end of the needle 6 may terminate at any suitable point, such as midway between a proximal end 71 and a distal end 72 of the cannula 7 as shown, or, more preferably at a position proximal to the proximal end 71 .
- the needle 6 may also be axially movable relative to the cannula, e.g., so that the tissue penetrating portion 61 may be moved axially so as to extend away from or toward the distal end 72 of the cannula 7 .
- the needle 6 is shown as positioned on an outer surface of the cannula 7
- the needle 6 or at least a portion thereof, may be molded into the cannula 7 , positioned within the cannula lumen, positioned in the cannula wall, may be arranged within a groove on the outer surface of the cannula, and so on.
- the needle 6 is shown as arranged in an approximately straight fashion along the length of the cannula 7 , the needle 6 may be bent, curved or arranged in any suitable way, such as following a spiral path around an outer surface of the cannula 7 .
- a semicircular-shaped tissue penetrating portion 61 of the needle 6 may be arranged relative to the cannula 7 so that a centerpoint of the semicircle lies on a central longitudinal axis 73 of the cannula lumen.
- the tissue penetrating portion 61 may travel in a circular or arc-shaped path about the axis 73 .
- the tissue penetrating portion 61 may be arranged in any suitable way relative to the axis 73 .
- a plane in which the tissue penetrating portion 61 lies may be arranged at any angle transverse to the axis 73 , and thus need not be arranged at an angle of 90 degrees to the axis 73 , as shown in FIG. 7 .
- the needle 6 may be removeably engaged with the cannula 7 so that the needle 6 can be selectively engaged or disengaged with the cannula 7 .
- a cannula 7 may be positioned in a portal in use during a surgical procedure without an attached needle 6 .
- the surgeon may wish to attach a needle 6 to the cannula 7 and manipulate the cannula 7 so as to use the needle 6 to place a suture in a material.
- the needle 6 may be secured to the cannula while the cannula remains in place in the portal (e.g., by inserting the needle 6 into the cannula lumen), or the cannula may be removed from the portal, the needle attached, and the cannula and attached needle inserted into the portal.
- the cannula lumen may remain available for use with other instruments, such as an endoscope, grasper or other surgical instrument.
- the cannula lumen may not remain open for other use, such as if the needle is secured to a cylindrical plug that is inserted into, and completely or partially blocks, the cannula lumen when the needle is engaged with the cannula.
- FIG. 8 shows one illustrative embodiment in which a needle 6 may be removably secured to a cannula 7 .
- the cannula 7 includes a dovetail-shaped groove 74 into which a correspondingly shaped portion of the needle 6 is inserted.
- the complementary locking arrangement used by the cannula 7 and the needle 6 need not necessarily be dovetail-shaped as shown in FIG. 8 , but rather may have any suitable arrangement.
- the cannula 7 may have an oval-shaped groove that extends into the wall of the cannula 7
- the needle 6 may have a complementary oval shape that engages with the groove.
- the needle 6 may be selectively secured to the cannula 7 so that rotation (e.g., about a longitudinal axis of the cannula lumen) or other manipulation of the cannula 7 can cause the needle to be manipulated so as to place a suture in a material.
- the complementary locking arrangement between the needle 6 and the cannula 7 may also allow for axial movement of the needle 6 relative to the cannula 7 , e.g., so the tissue penetrating portion 61 can be moved relative to the distal end 72 of the cannula 7 .
- FIG. 9 shows an alternative embodiment in which a needle 6 is fixed to a sleeve member 63 that has one or more complementary locking features that mesh with or otherwise engage with complementary features on the cannula 7 .
- the complementary locking features have a tooth-like or gear-like form, but the complementary locking features may be arranged in any suitable way. Accordingly, in this embodiment, the needle 6 may be secured to the cannula 7 by sliding the sleeve 63 over the distal end 72 of the cannula 7 .
- the sleeve 63 may fit within the internal lumen of the cannula 7 , or within a slot in the cannula 7 , if desired.
- a first hole 51 of the passageway 5 will be formed vertically from a superolateral position so that the first hole 51 is generally aligned along the length of the humerus 1 and extends into the bone from an opening formed at the margin between the articulating surface 11 and the greater tuberosity 12 .
- This first hole 51 may be formed using a perforator, such as a drill, awl, punch or other suitable device.
- the first hole 51 may be formed using an arthroscopic portal at a superolateral position, or may be formed in an open surgical procedure.
- a guide apparatus may be used to form the first and/or second holes of the passageway (e.g., used to locate a starting point or opening for the first and second holes, used to orient a bone perforator when making the holes, or used alone to form the first and/or second holes), or may be used to help feed a suture or suture-like material through the passageway.
- a first guide member 81 may be secured relative to the first hole 51 , as shown in FIG. 10 .
- the first guide member 81 may be part of a guide apparatus 8 used to guide the formation of holes used to form a passageway in bone and/or to pass a suture or other material through the passageway.
- the first hole 51 has been formed in a vertical direction along the length of the humerus 1 , e.g., by drilling the hole in a freehand manner.
- the first hole 51 may be formed by forcing the first guide member 81 into the bone as with an awl or similar instrument.
- the first guide member 81 may include a feature to help secure the first guide member 81 relative to the first hole 51 , such as a threaded distal end that allows the first guide member 81 to be screwed into the bone to a desired depth in the first hole 51 . It should be understood, however, that the distal end of the first guide member 81 need not be threaded, but instead may unthreaded and inserted into the first hole 51 .
- the distal end of the first guide member 81 may be positioned outside of, but adjacent to, the first hole 51 so that a lumen in the first guide member 81 aligns with the first hole 51 .
- the first hole 51 may be formed so as to be deeper than thought to be needed, e.g., 0.5 cm deeper than a hole depth believed to be required. This overdrilling of the first hole 51 may allow for more flexibility in positioning the first guide member 81 to a desired depth in the bone.
- the first guide member 81 may be arranged with respect to a reference structure 83 used to position first and second guide members 81 and 82 relative to each other with respect to the passageway 5 , as is discussed in more detail below.
- the reference structure 83 is arranged so that the first and second guide members 81 and 82 are positioned at a 90 degree angle relative to each other when engaged with the reference structure 83 .
- the reference structure 83 may be arranged in any suitable way so as to orient the first and second guide members 81 and 82 at any desired angle relative to each other, including arranging the first and second guide members 81 and 82 in a co-linear fashion.
- the reference structure 83 may be made so as to be adjustable, thereby allowing the orientation of the first and second guide members 81 and 82 to be changed.
- the arc-shaped connecting portion of the reference structure 83 may be made so as to be adjustable in length, e.g., having one arc-shaped portion sliding relative to another arc-shaped portion to allow adjustment of the length of the connecting portion.
- engagement portions 84 and 85 of the reference structure 83 that engage with the first and second guide members 81 and 82 may be adjustable in orientation relative to the arc-shaped connecting portion.
- the reference structure 83 may be arranged in any suitable way so as to allow adjustment in the orientation of the guide members 81 and 82 .
- the engagement portions 84 and 85 include sleeves that receive at least a portion of the guide members 81 and 82 , e.g., the guide members 81 and 82 may be received in bores in the sleeves.
- the sleeves may be arranged so that the guide members 81 and 82 are movable linearly along their longitudinal axes and rotationally about their longitudinal axes relative to the engagement portions 84 and 85 , but otherwise may be relatively restricted in their range of movement.
- the second guide member 82 When a stop on the first guide member 81 , such as a knob 811 on the proximal end of the guide member 81 , contacts an engagement surface on the reference structure, such as a portion of the engagement portion 84 , the second guide member 82 may be positioned by the reference structure 83 so that its longitudinal axis passes a point adjacent the extreme distal end of the first guide member 81 .
- the second guide member 82 may be used to guide the use of a perforator 9 (such as a drill, punch, awl or other bone perforating device) so that the perforator 9 forms a second hole 52 that intersects with the first hole 51 at a location adjacent the distal end of the first guide member 81 .
- the guide member 82 may guide the movement of the perforator 9 , e.g., guide the movement of a drill or punch inserted into a lumen of the guide member 82 as shown, or may guide a starting location for forming the second hole, e.g., be used to mark or otherwise determine a starting location for the perforator 9 , but otherwise not interact with the perforator 9 .
- the location where the second hole 52 is formed can be adjusted in position (e.g., in a vertical direction as shown in the figures). For example, by screwing the first guide member 81 into or out of the first hole 51 , a surgeon may select a location where the second hole 52 is to be formed in the bone.
- the engagement portion 85 may itself function as a perforator guide with the second guide member 82 being withdrawn from the engagement portion 85 .
- the engagement portions 84 and 85 are shown as relatively short cylindrical sleeves, the engagement portions 84 and 85 may be arranged in any suitable way, e.g., may be elongated so as to more closely approach the humerus 1 and provide improved guidance for a perforator 9 and/or the first and second guide members 81 and 82 .
- the first guide member 81 may be arranged so that is rotationally movable about its longitudinal axis relative to the reference structure 83 , but is otherwise held by the engagement portion 84 so that the first guide member 81 is not movable axially. This may aid is appropriately positioning the first guide member 81 and reference structure 83 when forming the second hole 52 .
- the second guide member 82 may be screwed into the second hole 52 until a stop on the second guide member 82 , such as a knob 821 at a proximal end of the guide member 82 , contacts an engagement surface on the engagement portion 85 , such as a portion of the sleeve.
- a stop on the second guide member 82 such as a knob 821 at a proximal end of the guide member 82
- the extreme distal ends of the first and second guide members 81 and 82 may be adjacent to each other in the passageway 5 formed by the first and second holes 51 and 52 .
- a surgeon may be assured that if the first and second guide members 81 and 82 are positioned within the bone and stops on the guide members 81 and 82 are respectively in contact with appropriate engagement surfaces on the guide apparatus 8 , the extreme distal ends of the guide members 81 and 82 will be positioned adjacent each other.
- the surgeon may be assured that a wire 10 or other element may be fed into one of the guide members and retrieved from the other of the guide members, e.g., using a retriever 21 having a hook at a distal end.
- a retriever 21 having a hook at a distal end.
- the guide members 81 and 82 may be positioned relative to the reference structure 83 in any suitable way.
- the guide members 81 and 82 may have indicator marks on them that may be aligned with a portion of the engagement portions 84 and 85 , respectively.
- the alignment of certain indicator marks on the guide members 81 and 82 may be used to indicate, for example, that the distal ends of the guide members 81 and 82 are adjacent each other.
- the position of the guide members 81 and 82 relative to the reference structure 83 and relative to each other may be determined in other ways.
- first and second guide members 81 and 82 need not necessarily be positioned so that their distal ends are adjacent in the passageway to assist in feeding a suture from one guide member to the other.
- the first and second guide members 81 and 82 may be made to suitably communicate with the passageway in any way so as to facilitate feeding of the suture.
- the first guide member 81 is shown as having a smaller diameter (at least at the distal end) than the second guide member 82 .
- This may allow the guide apparatus 8 to be used with an arrangement where the first hole 51 is smaller than the second hole 52 .
- a relatively small first hole 51 may allow for more rapid healing and/or provide additional space for other holes in the margin, if needed.
- the guide apparatus 8 and/or the holes that form the passageway 5 may be made in any suitable way, e.g., the first and second holes 51 and 52 may have the same diameter or the first hole 51 may have a larger diameter than the second hole 52 .
- the guide apparatus 8 may also include additional guide members if desired, e.g., to provide for the formation of a third hole that is formed in the margin and is approximately parallel to the first hole 51 , but also intersects with the second hole 52 .
- the guide apparatus 8 may include two pairs of guide members like that in the illustrative embodiment that are arranged to form side-by-side passageways 5 in the bone or other body portion.
- the guide apparatus 8 is used to guide the formation of the second hole 52
- the guide apparatus 8 need not necessarily be used to guide the formation of the second hole 52 . That is, the guide apparatus 8 may be used only to help feed the wire 10 , suture or other material through a passageway that is pre-formed in the bone or other body portion.
- the first and second guide members 81 and 82 may be arranged so that the members 81 and 82 can be secured in a body portion without requiring holes to be predrilled or otherwise formed.
- the first and second guide members 81 and 82 may be arranged like an awl or other device capable of forming a hole in a body portion, e.g., capable of being forced into bone, forming the passageway 5 by their entry and/or providing a means to help feed a wire, suture or other material through the passageway 5 .
- the wire 10 may be used to pull the suture 3 through the passageway 5 .
- the wire 10 or other material Prior to being used to pull the suture 3 through the passageway 5 , the wire 10 or other material may be used to create a relatively straight pathway for the suture 3 once the suture 3 is tensioned and fixed in place.
- the wire 10 may be tensioned between the first and second openings 53 and 54 of the first and second holes 51 and 52 or otherwise manipulated so as to cut or crush the body portion, e.g., bone, between the first and second openings 53 and 54 .
- Such manipulation of the wire 10 may perform a kind of “flossing” effect in the bone, allowing the suture 3 to follow a more straight pathway through the passageway 5 , reducing the length of suture 3 needed between the rotator cuff 2 and a point of fixation of the suture 3 , e.g., near the second opening 54 .
- the wire 10 may have barbs or other saw-like features to aid in cutting bone and forming the pathway.
- the more straight pathway could be formed by manipulating the suture 3 itself, e.g., by tensioning the suture 3 when securing the tendon or other material. Reducing the length of suture 3 in the passageway 5 may improve the suture's ability to maintain appropriate tension on the rotator cuff 2 , e.g., by reducing the amount of stretch of the suture when under tension.
- the suture 3 may be engaged with a suture fixation device 4 as shown in FIG. 13 .
- a suture fixation device may improve an ability to securely fixate the suture 3 (and the tissue 2 ) relative to the bone.
- the suture fixation device 4 may be arranged in any suitable way, but in this illustrative embodiment has an arrangement similar to a button.
- the suture fixation device 4 may have two through holes formed in a disk-shaped member through which leading ends of the suture 3 are passed. The suture ends 3 may be passed through respective holes in the suture fixation device 4 using one or more feed members 41 .
- the feed members 41 may have an elongated shape that is passed through a respective hole in the suture fixation device 4 .
- a loop at one end of the feed member 41 may receive an end of the suture 3 and thereafter the feed member 41 may be pulled through a respective hole in the suture fixation device 4 so as to pull the suture 3 through the hole.
- the suture 3 may be fed through the suture fixation device 4 in any other suitable way.
- the suture 3 may be fed through the suture fixation device 4 either inside or outside of the body cavity.
- the suture fixation device 4 may be positioned relative to the second opening 54 of the passageway 5 using an applier 42 which removably engages with the suture fixation device 4 and may be selectively disengaged from the suture fixation device when the suture fixation device 4 is positioned as desired.
- the applier 42 may have a pair of tines 421 that engage with recesses or other features on the suture fixation device 4 so as to removably engage with the suture fixation device 4 .
- the tines 421 may be resilient so that the tines are squeezed together when engaged with the suture fixation device 4 .
- an elastic force biasing the tine ends apart may help maintain engagement of the tines with the grooves 48 in the suture fixation device 4 .
- the tine ends may be force-fit into grooves 48 in the suture fixation device so that engagement is maintained based on friction.
- the applier 42 may engage with the suture fixation device 4 in any other suitable way, such as a screw-in or snap configurations.
- the suture 3 may be tensioned so as to appropriately position the rotator cuff 2 relative to the humerus 1 .
- the suture 3 may be fixed relative to the suture fixation device 4 , such as by tying a knot with the suture ends.
- the suture fixation device 4 may provide not only a structure to support the suture knot, but also may spread the force of the suture 3 to portions of the relatively hard cortical bone surrounding or otherwise adjacent to the second opening 54 .
- the suture fixation device 4 may provide a relatively stable and secure fixation point for the suture 3 .
- the suture fixation device 4 may also incorporate a mechanism for knotless fixation of the suture, such as an interference pin, a locking passageway, a locking cap, etc.
- both ends of the suture 3 are passed through the passageway 5 and secured at or near the second opening 54 of the passageway 5
- the suture 3 may be secured in other ways, such as by passing one end of the suture 3 through the passageway 5 and passing another end of the suture 3 around the outside of the bone (e.g., over a portion of the greater tuberosity) where it is secured to the other suture end.
- two passageways 5 may be formed through the bone and one end of the suture 3 may be passed through one passageway and the other end of the suture 3 may be passed through the other passageway.
- first holes 51 may be formed so as to intersect with one or more second holes 52 .
- Suture 3 may be passed through the two or more first holes 51 and be secured at the second opening 54 of the one or more second holes 52 .
- Such an arrangement may allow for the use of a single second hole 52 and suture fixation device 4 to secure the rotator cuff at two or more points on the humeral head using two or more sutures that pass through different first holes 51 .
- Other suture fixation techniques may be used as desired.
- FIGS. 16 A-B and 17 A-B show illustrative embodiments of suture fixation devices 4 in accordance with the invention.
- the suture fixation device 4 includes a restriction in a pathway through the suture fixation device 4 so that suture or other material passing through the suture fixation device is relatively freely moved in one direction through the pathway, but movement of the suture or other material in the other direction in the pathway is resisted.
- movement of a suture though the suture fixation devices shown in FIGS. 16A and 17A in a direction to the left in the side view of the suture fixation devices 4 may be freely allowed, while movement of the suture toward the right may be resisted.
- This may aid in tensioning the suture 3 because the suture 3 may be pulled from the second hole 52 through the suture fixation device 4 until the rotator cuff or other tissue is appropriately positioned. Thereafter, tension on the suture may be temporarily released, e.g., in preparation for forming a knot, but movement of the suture back through the suture fixation device 4 may be resisted so that the rotator cuff or other tissue is maintained in place until the suture knot is tied or otherwise is secured.
- the suture fixation device includes an outer end having a flange portion 43 that is sized and arranged to contact the cortical bone adjacent the opening in the passageway at which the suture fixation device 4 is positioned, e.g., the second opening 54 .
- One or more pathways 44 may be formed through the suture fixation device 4 , such as by a hole or holes formed through the flange 43 (see also FIG. 15 ). Instead of having multiple holes, the pathway 44 may include a single slot arranged to receive one or more sutures.
- a recess 49 may be provided in the flange portion 43 to receive one or more knots, if formed with the suture(s) in the pathway 44 .
- a pair of duck bill members 45 at an inner end of the suture fixation device 4 may extend rearwardly from the flange 43 and may be arranged as to be positionable in the second hole 54 .
- the duck bill members 45 may be separated from each other by a groove that extends across the inner end of the suture fixation device 4 and be resiliently biased toward each other so as to resist the passage of suture or other material through the pathway 44 .
- One or both of the duck bill structures 45 may include serrations 46 or other features that may aid in engaging a suture or other material.
- the groove separating the duck bill structures 45 extends to the flange portion 43 so that the structures 45 are pivotable at a point near the flange portion 43 .
- the FIG. 17A -B embodiment similarly includes a flange 43 and one or more pathways 44 .
- Duck bill structures 45 are also provided. However, in this embodiment rather than being hinged at a point near respective connection points with the flange 43 , the duck bill portions 45 are hinged at a point positioned away from the flange 43 . Providing the effective hinge points for the duck bill structures 45 in this manner may provide improved engagement of the duck bill structures 45 with a suture or other material when the suture is urged to move from the outer end toward the inner end through the pathway 44 .
- the duck bill structures in the FIG. 16 and 17 embodiments or other suitable suture engagement arrangements may provide a knotless fixation for the suture.
- the structures may resist movement of the suture so as to aid the surgeon's ability to maintain tension on the suture while forming a knot.
- the device may be positioned in a hole which has a counterbore, or countersink, in order to prevent any interference between the flange and other bone or tissues that may come in contact with the site either at rest or during movement. Even in the case where the device is positioned in a counterbore or countersink feature, the device may contact cortical bone. Alternately, the device may only contact the outer, cortical surface of the bone, and not extend into a hole in the bone.
- suture fixation devices may be provided in any suitable form.
- the duck bill portions 45 extending from the flange 43 in the FIGS. 16 and 17 embodiments may be sized to closely fit into a mating hole formed in bone. This close fit may help in maintaining the suture fixation devices 4 in a desired position in the bone.
- the duck bill structures 45 may be formed so as to be tapered on their outer surfaces. Thus, when the suture fixation device 4 is inserted into a hole in the bone, the tapered surfaces of the duck bill structures 45 may contact the sides of the hole and urge the duck bill structures to move toward each other as the suture fixation device 4 is pressed into the hole.
- a portion of the suture fixation device 4 that is inserted into a hole may be threaded or otherwise be arranged so as to engage the hole and help prevent the suture fixation device from falling from the hole, e.g., before the suture is secured in place.
- the mechanism form to retain the suture with respect to the device may require a knot for final fixation.
- Other capturing mechanisms may provide sufficient locking of the suture such that a knot is not required. Theses are typically known as “knotless” devices.
Abstract
Description
- 1. Field of Invention
- This invention relates to methods and apparatus for suture placement.
- 2. Discussion of Related Art
- Surgical procedures frequently involve the placement of suture in a material, such as body tissue, a prosthetic or other medical implant or device, or combinations thereof. Many different approaches and devices have been developed for suture placement. For example, suturing instruments exist for placing sutures in body tissues or other materials. One such device is the SMARTSTITCH suturing device sold by Opus Medical of San Juan Capistrano, Calif. This device may be used in an arthroscopic technique to place a mattress stitch in a rotator cuff tendon when reattaching the tendon to the humerus. The device has a set ofjaws that are used to clamp the tendon, and then fire a pair of retractable needles that extend through the tendon, engage suture, and draw the suture through the tendon as the needles retract.
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FIG. 1 shows a schematic diagram of ahumerus 1 and a portion of arotator cuff tendon 2 that is normally attached to the head of the humerus. In one type of damage to the rotator cuff, thetendon 2 may detach or be partially torn from thehumerus 1, such as that shown schematically inFIG. 2 . Such damage may be repaired by reattaching the rotator cuff tendon to thehumerus 1 by a suture or other fixation so that the body's normal healing processes can naturally effect reattachment of the tendon to the bone. One repair technique for reattaching the rotator cuff2 to thehumerus 1 involves fixing ananchor 101 at a margin between the articulatingportion 11 of thehumerus 1 and the humerus'greater tuberosity 12. Asuture 102 is secured to therotator cuff 2, e.g., using the suturing device described above, and is secured to theanchor 101. Thesuture 102 is then tensioned so that therotator cuff 2 is held in place close to thehumerus 1. Thereafter, the body may reestablish the proper attachment of the rotator cuff2 to thehumerus 1. - In one aspect of the invention, an apparatus includes a cannula having at least one lumen and that is constructed and arranged to be used in a minimally-invasive surgical procedure. For example, such a cannula may be usable in an arthroscopic procedure when performing surgery on a shoulder or knee. A needle may be attached to the cannula and may have a tissue penetrating portion adapted to carry a suture. The needle may be manipulated by movement of the cannula to place the suture in a material. One feature that may be provided in some embodiments is to allow the cannula to be used for other additional purposes, such as visualization of the surgical site through the same cannula used to place a suture by providing an endoscopic camera in the cannula lumen. In addition, or alternately, another surgical instrument may be provided in the cannula, such as a grasping device that is used to hold a material in place while the needle is used to place a suture in the material.
- In one aspect of the invention, the needle may be selectively attached to and/or separated from the cannula. For example, the cannula and needle may include complementary locking members that engage with each other and allow the needle to be used to place a suture by manipulation of the cannula. The cannula may be usable in a minimally-invasive procedure, and then the needle engaged with/disengaged from the cannula as needed.
- Aspects of the invention provided a cannula and needle arrangement that may be used to place a stitch in a rotator cuff during a surgical repair. However, not all aspects of the invention are restricted to use in rotator cuff repair.
- Various aspects of the invention are described with reference to illustrative embodiments, wherein like numerals reference like elements, and wherein:
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FIG. 1 is a schematic diagram of a head of a humerus and attached rotator cuff tendon; -
FIG. 2 shows a prior art technique for repairing a rotator cuff injury; -
FIG. 3 is a schematic diagram of a tissue repair arrangement in accordance with an aspect of the invention; -
FIGS. 4-6 show the use of a needle for placing a suture in a tissue in accordance with the invention; -
FIG. 7 shows a needle in engagement with a cannula in accordance with an aspect of the invention; -
FIG. 8 shows an illustrative arrangement for engaging a needle with a cannula in one embodiment; -
FIG. 9 shows an illustrative arrangement for engaging a sleeve and needle assembly with a cannula in accordance with another embodiment; -
FIG. 10 shows a guide apparatus used in forming a passageway in accordance with the invention; -
FIG. 11 shows the use of a guide apparatus for passing a suture or other element through a transosseous passageway in accordance with the invention; -
FIG. 12 shows a technique for passing a suture placed in a tissue through a passageway; -
FIG. 13 shows the engagement of a suture with a suture fixation device in accordance with the invention; -
FIG. 14 shows the placement of a suture fixation device relative to the bone in accordance with the invention; -
FIG. 15 shows a suture fixation device engagement tool in engagement with a suture fixation device in accordance with the invention; and - FIGS. 16A-B and 17A-B show side and rear views, respectively, of illustrative embodiments of suture fixation devices in accordance with the invention.
- This invention is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways. Also, the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting.
- Various aspects of the invention are described below with reference to specific embodiments. For example, aspects of the invention are described in the context of performing a rotator cuff repair. However, it should be understood that aspects of the invention are not necessarily restricted to rotator cuff repair techniques, or even to surgical techniques performed on a shoulder. Rather, various aspects of the invention may be used in any suitable surgical procedure. Also, aspects of the invention are described in a procedure involving the formation of a transosseous passageway, securing a suture in the passageway, etc. However, it should be understood that aspects of the invention, such as aspects relating to a cannula and attached needle, may be used in any surgical procedure, such as a rotator cuff repair that involves the use of an anchor like that shown in
FIG. 2 . - Various aspects of the invention may be used in an open surgical procedure or in a closed or minimally-invasive procedure, such as an arthroscopic procedure. Also, various aspects of the invention may be used in any suitable surgical or other procedure involving any suitable body portions, such as bone, muscle, skin, vascular structures, digestive structures or other tissue, implants, mesh, or other medical devices, etc. Aspects of the invention may be used alone, and/or in combination with any other aspects of the invention.
- In another aspect of the invention, a needle used to place a suture in a material, such as a rotator cuff tendon and/or implant, may be engaged with a cannula, such as an arthroscopic cannula. Thus, the needle may be operated to place the suture by manipulating the cannula. The needle and cannula may have complementary locking members or otherwise arranged so that the needle may be selectively engaged with the cannula. Thus, the cannula may be usable as a standard arthroscopic cannula, and if needed, may be engaged with the needle. Thereafter, the needle and cannula may be used to place the suture in the selected tissue.
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FIG. 3 shows a schematic diagram of a surgical repair in accordance with aspects of the invention. As discussed above, although aspects of the invention are described with reference to a rotator cuff repair for ease of reference and understanding, aspects of the invention may be used in any surgical or other procedure, and may involve any suitable body portions, such as bone, muscle, other tissue or combinations thereof, the brain, medical implants or other devices, etc. Thus, aspects of the invention are in no way limited to the specific embodiments and examples described herein. - In this illustrative embodiment, a
rotator cuff tendon 2 is secured by asuture 3 relative to ahumerus 1. Thesuture 3 is placed in thetendon 2, for example, using a mattress stitch or other arrangement, and is passed through apassageway 5 formed through thehumerus 1. In this embodiment, thepassageway 5 is formed by first and second intersecting holes. Afirst hole 51 is formed vertically as shown inFIG. 3 from a first opening at or near a margin between the articulatingsurface 11 and thegreater tuberosity 12 of thehumerus 1. Thesecond hole 52 is formed horizontally as shown inFIG. 3 from a lateral position on thehumerus 1. Thesuture 3 is secured at the second opening of the second hole using asuture fixation device 4 that is positioned adjacent the second opening. Although in this embodiment the first andsecond holes - A wire, other material or the
suture 3 may be manipulated in thepassageway 5 so as to cut through or crush the relatively soft cancellous bone of the humerus in thepassageway 5 so that the suture follows a relatively straight path between the first and second openings into the first andsecond holes passageway 5 and is manipulated, e.g., tensioned and reciprocally drawn between the first and second openings, so as to cut through or crush the cancellous bone, thereby forming a relatively straight path for thesuture 3. - When deciding where to locate the
first hole 51 for thepassageway 5, a surgeon often will wish to first determine the final position for the tissue relative to the bone. To do so, the surgeon may wish to place a suture in thetendon 2 and tension the suture 3 (and thus the tendon 2) so that a desired position for thefirst hole 51 may be determined, e.g., based on the position of thetendon 2 relative to the bone when under tension. - In one aspect of the invention, use of a needle having a hook-shaped or curved end portion may be preferred.
FIGS. 4-6 show an embodiment of aneedle 6 having a hook-shapedtissue penetrating portion 61 at a distal end in accordance with the invention. In the illustrated embodiment, thetissue penetrating portion 61 of theneedle 6 has a semi-circular shape and is arranged at an angle, such as 90 degrees to a longitudinal axis of astraight portion 62 of theneedle 6. Theneedle 6 may be formed as a hollow tube so that thesuture 3 may pass through theneedle 6. Suture may be loaded in the hollow portion of theneedle 6 before the surgical procedure is begun, e.g., at the time of manufacture of the needle, or at any suitable time, such as during the surgical procedure. In some cases, the suture may be fed into the hollow portion of theneedle 6 before thetissue penetrating portion 61 is formed, e.g., by bending a tube to form a curved end shape. - The arrangement of the
needle 6 may allow placement of a mattress stitch in thetissue 2 by rotating the needle as shown inFIGS. 4-6 so that a tip of thetissue penetrating portion 61 passes through a top side of thetissue 2 and exits from a bottom side of thetissue 2 as shown inFIG. 5 , and then passes upwardly through thetissue 2 to reemerge at a top side of thetissue 2 as shown inFIG. 6 . At this point, thesuture 3 extending from the tip of thetissue penetrating portion 61 may be grasped, such as by forceps or other gripping device, and theneedle 6 may be rotated in reverse so as to again position theneedle 6 as shown inFIG. 4 , thereby leaving thesuture 3 positioned in thetissue 2 to form a mattress stitch. Of course, theneedle 6 may be used to place a suture in any material, including a tissue, such as a tendon as shown, a prosthetic or other surgical implant, etc. During the passage of the suture, the tissue or other material may be held in place, or may be manipulated, by a grasper or other device inserted into the lumen of the cannula. The tissue or other material may also be held in place, or manipulated, by another device, such as a grasper or clamp positioned external to the cannula. - The
tissue penetrating portion 61 of theneedle 6 may have any suitable shape and may be arranged in a plane that is transverse at any angle to an axis of rotation of thetissue penetrating portion 61 when placing a suture in tissue. That is, although in the illustrated embodiment thetissue penetrating portion 61 has a semi-circular form that lies in a plane at 90 degrees to the rotation axis of thetissue penetrating portion 61 when placing a suture, thetissue penetrating portion 61 need not have a semi-circular form and may lie at any desired angle to the rotation axis. For example, thetissue penetrating portion 61 may be arranged so as to place an inclined mattress stitch in atissue 2. Further, theneedle 6 need not be used only to form a mattress stitch, but rather may be used to form any other suitable stitch type. Also, it is not necessary that thetissue penetrating portion 61 of theneedle 6 include a portion that lies in a single plane. Instead, thetissue penetrating portion 61 may not lie in a single plane, e.g., may have a corkscrew-type or partially helical configuration. - In one aspect of the invention, all or portions of a tissue repair procedure may be performed arthroscopically. In this case, and as is known in the art, one or more cannulas may be provided in one or more portals formed in the patient so as to provide access to the operative site. In one aspect of the invention, a needle used to place a suture in a tissue, such as the
needle 6 shown inFIG. 4 , may be used in an arthroscopic procedure. For example, theneedle 6 may be secured to a cannula so that the needle may be operated by manipulation of the cannula. -
FIG. 7 shows an illustrative embodiment of aneedle 6 that is secured to acannula 7. Thecannula 7 may have any suitable features found in cannulas used for closed or minimally-invasive surgical techniques, such as one or more valves to resist fluid flow through thecannula 7, an opening through which to introduce a fluid pressure or vacuum, spiral threads or other features on the cannula to aid in placement of the cannula in a portal and/or to help prevent inadvertent removal of the cannula from the portal, and so on. Thecannula 7 may be arranged for any type of procedure, such as arthroscopic procedures. - The
needle 6 may be secured to thecannula 7 in any suitable way. For example, theneedle 6 may be molded into the body of thecannula 7, inserted into the wall of the cannula, may be secured by adhesive, welding, clamps, fasteners, interlocking channels, open channels, or any other suitable device. A proximal end of theneedle 6 may terminate at any suitable point, such as midway between aproximal end 71 and adistal end 72 of thecannula 7 as shown, or, more preferably at a position proximal to theproximal end 71. By having the proximal end of theneedle 6 positioned proximally of thecannula 7, a user may be better able to access thesuture 3 entering the proximal end of theneedle 6. Theneedle 6 may also be axially movable relative to the cannula, e.g., so that thetissue penetrating portion 61 may be moved axially so as to extend away from or toward thedistal end 72 of thecannula 7. In addition, although theneedle 6 is shown as positioned on an outer surface of thecannula 7, theneedle 6, or at least a portion thereof, may be molded into thecannula 7, positioned within the cannula lumen, positioned in the cannula wall, may be arranged within a groove on the outer surface of the cannula, and so on. Although theneedle 6 is shown as arranged in an approximately straight fashion along the length of thecannula 7, theneedle 6 may be bent, curved or arranged in any suitable way, such as following a spiral path around an outer surface of thecannula 7. - In one illustrative embodiment, a semicircular-shaped
tissue penetrating portion 61 of theneedle 6 may be arranged relative to thecannula 7 so that a centerpoint of the semicircle lies on a centrallongitudinal axis 73 of the cannula lumen. Thus, when thecannula 7 is rotated about the centrallongitudinal axis 73, thetissue penetrating portion 61 may travel in a circular or arc-shaped path about theaxis 73. However, it should be understood that thetissue penetrating portion 61 may be arranged in any suitable way relative to theaxis 73. Further, a plane in which thetissue penetrating portion 61 lies (if present) may be arranged at any angle transverse to theaxis 73, and thus need not be arranged at an angle of 90 degrees to theaxis 73, as shown inFIG. 7 . - In one aspect of the invention, the
needle 6 may be removeably engaged with thecannula 7 so that theneedle 6 can be selectively engaged or disengaged with thecannula 7. For example, acannula 7 may be positioned in a portal in use during a surgical procedure without an attachedneedle 6. At some point during the procedure, the surgeon may wish to attach aneedle 6 to thecannula 7 and manipulate thecannula 7 so as to use theneedle 6 to place a suture in a material. Theneedle 6 may be secured to the cannula while the cannula remains in place in the portal (e.g., by inserting theneedle 6 into the cannula lumen), or the cannula may be removed from the portal, the needle attached, and the cannula and attached needle inserted into the portal. - By attaching a needle to a cannula like that shown above, the cannula lumen may remain available for use with other instruments, such as an endoscope, grasper or other surgical instrument. However, in some embodiments the cannula lumen may not remain open for other use, such as if the needle is secured to a cylindrical plug that is inserted into, and completely or partially blocks, the cannula lumen when the needle is engaged with the cannula.
-
FIG. 8 shows one illustrative embodiment in which aneedle 6 may be removably secured to acannula 7. In this embodiment, thecannula 7 includes a dovetail-shapedgroove 74 into which a correspondingly shaped portion of theneedle 6 is inserted. The complementary locking arrangement used by thecannula 7 and theneedle 6 need not necessarily be dovetail-shaped as shown inFIG. 8 , but rather may have any suitable arrangement. For example, thecannula 7 may have an oval-shaped groove that extends into the wall of thecannula 7, and theneedle 6 may have a complementary oval shape that engages with the groove. Thus, theneedle 6 may be selectively secured to thecannula 7 so that rotation (e.g., about a longitudinal axis of the cannula lumen) or other manipulation of thecannula 7 can cause the needle to be manipulated so as to place a suture in a material. The complementary locking arrangement between theneedle 6 and thecannula 7 may also allow for axial movement of theneedle 6 relative to thecannula 7, e.g., so thetissue penetrating portion 61 can be moved relative to thedistal end 72 of thecannula 7. -
FIG. 9 shows an alternative embodiment in which aneedle 6 is fixed to asleeve member 63 that has one or more complementary locking features that mesh with or otherwise engage with complementary features on thecannula 7. In this embodiment, the complementary locking features have a tooth-like or gear-like form, but the complementary locking features may be arranged in any suitable way. Accordingly, in this embodiment, theneedle 6 may be secured to thecannula 7 by sliding thesleeve 63 over thedistal end 72 of thecannula 7. It will be understood that rather than having asleeve 63 that fits over thecannula 7, thesleeve 63 may fit within the internal lumen of thecannula 7, or within a slot in thecannula 7, if desired. - Once a suture is placed in the tissue, such as a rotator cuff tendon, the tissue may be tensioned to determine a location for the opening of the
first hole 51 to be formed in the bone. When performing a rotator cuff repair, typically, afirst hole 51 of thepassageway 5 will be formed vertically from a superolateral position so that thefirst hole 51 is generally aligned along the length of thehumerus 1 and extends into the bone from an opening formed at the margin between the articulatingsurface 11 and thegreater tuberosity 12. Thisfirst hole 51 may be formed using a perforator, such as a drill, awl, punch or other suitable device. As with other procedures performed, thefirst hole 51 may be formed using an arthroscopic portal at a superolateral position, or may be formed in an open surgical procedure. - In accordance with an aspect of the invention, a guide apparatus may be used to form the first and/or second holes of the passageway (e.g., used to locate a starting point or opening for the first and second holes, used to orient a bone perforator when making the holes, or used alone to form the first and/or second holes), or may be used to help feed a suture or suture-like material through the passageway. For example, a
first guide member 81 may be secured relative to thefirst hole 51, as shown inFIG. 10 . Thefirst guide member 81 may be part of aguide apparatus 8 used to guide the formation of holes used to form a passageway in bone and/or to pass a suture or other material through the passageway. In the illustrated embodiment, thefirst hole 51 has been formed in a vertical direction along the length of thehumerus 1, e.g., by drilling the hole in a freehand manner. (Alternately, thefirst hole 51 may be formed by forcing thefirst guide member 81 into the bone as with an awl or similar instrument.) Thefirst guide member 81 may include a feature to help secure thefirst guide member 81 relative to thefirst hole 51, such as a threaded distal end that allows thefirst guide member 81 to be screwed into the bone to a desired depth in thefirst hole 51. It should be understood, however, that the distal end of thefirst guide member 81 need not be threaded, but instead may unthreaded and inserted into thefirst hole 51. Alternately, the distal end of thefirst guide member 81 may be positioned outside of, but adjacent to, thefirst hole 51 so that a lumen in thefirst guide member 81 aligns with thefirst hole 51. Thefirst hole 51 may be formed so as to be deeper than thought to be needed, e.g., 0.5 cm deeper than a hole depth believed to be required. This overdrilling of thefirst hole 51 may allow for more flexibility in positioning thefirst guide member 81 to a desired depth in the bone. - The
first guide member 81 may be arranged with respect to areference structure 83 used to position first andsecond guide members passageway 5, as is discussed in more detail below. In this illustrative embodiment, thereference structure 83 is arranged so that the first andsecond guide members reference structure 83. However, thereference structure 83 may be arranged in any suitable way so as to orient the first andsecond guide members second guide members reference structure 83 may be made so as to be adjustable, thereby allowing the orientation of the first andsecond guide members reference structure 83 may be made so as to be adjustable in length, e.g., having one arc-shaped portion sliding relative to another arc-shaped portion to allow adjustment of the length of the connecting portion. Alternately, or in addition,engagement portions reference structure 83 that engage with the first andsecond guide members reference structure 83 may be arranged in any suitable way so as to allow adjustment in the orientation of theguide members - In this illustrative embodiment, the
engagement portions guide members guide members guide members engagement portions first guide member 81, such as aknob 811 on the proximal end of theguide member 81, contacts an engagement surface on the reference structure, such as a portion of theengagement portion 84, thesecond guide member 82 may be positioned by thereference structure 83 so that its longitudinal axis passes a point adjacent the extreme distal end of thefirst guide member 81. Thus, thesecond guide member 82 may be used to guide the use of a perforator 9 (such as a drill, punch, awl or other bone perforating device) so that theperforator 9 forms asecond hole 52 that intersects with thefirst hole 51 at a location adjacent the distal end of thefirst guide member 81. As discussed above, theguide member 82 may guide the movement of theperforator 9, e.g., guide the movement of a drill or punch inserted into a lumen of theguide member 82 as shown, or may guide a starting location for forming the second hole, e.g., be used to mark or otherwise determine a starting location for theperforator 9, but otherwise not interact with theperforator 9. By adjusting the depth of thefirst guide member 81 in thefirst hole 51, the location where thesecond hole 52 is formed can be adjusted in position (e.g., in a vertical direction as shown in the figures). For example, by screwing thefirst guide member 81 into or out of thefirst hole 51, a surgeon may select a location where thesecond hole 52 is to be formed in the bone. - In another embodiment, the
engagement portion 85 may itself function as a perforator guide with thesecond guide member 82 being withdrawn from theengagement portion 85. Although in this illustrative embodiment theengagement portions engagement portions humerus 1 and provide improved guidance for aperforator 9 and/or the first andsecond guide members first guide member 81 may be arranged so that is rotationally movable about its longitudinal axis relative to thereference structure 83, but is otherwise held by theengagement portion 84 so that thefirst guide member 81 is not movable axially. This may aid is appropriately positioning thefirst guide member 81 andreference structure 83 when forming thesecond hole 52. - Upon formation of the
second hole 52, thesecond guide member 82 may be screwed into thesecond hole 52 until a stop on thesecond guide member 82, such as aknob 821 at a proximal end of theguide member 82, contacts an engagement surface on theengagement portion 85, such as a portion of the sleeve. In this configuration shown inFIG. 11 (stops on the first andsecond guide members second guide members passageway 5 formed by the first andsecond holes second guide members guide members guide apparatus 8, the extreme distal ends of theguide members wire 10 or other element may be fed into one of the guide members and retrieved from the other of the guide members, e.g., using aretriever 21 having a hook at a distal end. Such an arrangement may be advantageous when using theguide apparatus 8 in an arthroscopic procedure where the operative site may not be easily visualized. - Although in the above embodiment, stops on the first and
second guide members engagement portions guide members reference structure 83 in any suitable way. For example, theguide members engagement portions guide members guide members guide members reference structure 83 and relative to each other may be determined in other ways. For example, the first andsecond guide members second guide members - In this illustrative embodiment, the
first guide member 81 is shown as having a smaller diameter (at least at the distal end) than thesecond guide member 82. This may allow theguide apparatus 8 to be used with an arrangement where thefirst hole 51 is smaller than thesecond hole 52. A relatively smallfirst hole 51 may allow for more rapid healing and/or provide additional space for other holes in the margin, if needed. However, it should be understood that theguide apparatus 8 and/or the holes that form thepassageway 5 may be made in any suitable way, e.g., the first andsecond holes first hole 51 may have a larger diameter than thesecond hole 52. - The
guide apparatus 8 may also include additional guide members if desired, e.g., to provide for the formation of a third hole that is formed in the margin and is approximately parallel to thefirst hole 51, but also intersects with thesecond hole 52. Similarly, theguide apparatus 8 may include two pairs of guide members like that in the illustrative embodiment that are arranged to form side-by-side passageways 5 in the bone or other body portion. - Although in this illustrative embodiment, the
guide apparatus 8 is used to guide the formation of thesecond hole 52, theguide apparatus 8 need not necessarily be used to guide the formation of thesecond hole 52. That is, theguide apparatus 8 may be used only to help feed thewire 10, suture or other material through a passageway that is pre-formed in the bone or other body portion. In addition, the first andsecond guide members members second guide members passageway 5 by their entry and/or providing a means to help feed a wire, suture or other material through thepassageway 5. - Once the
wire 10, suture or other material has been passed through thepassageway 5, as shown inFIG. 12 , thewire 10 may be used to pull thesuture 3 through thepassageway 5. Prior to being used to pull thesuture 3 through thepassageway 5, thewire 10 or other material may be used to create a relatively straight pathway for thesuture 3 once thesuture 3 is tensioned and fixed in place. For example, thewire 10 may be tensioned between the first andsecond openings second holes second openings wire 10 may perform a kind of “flossing” effect in the bone, allowing thesuture 3 to follow a more straight pathway through thepassageway 5, reducing the length ofsuture 3 needed between the rotator cuff2 and a point of fixation of thesuture 3, e.g., near thesecond opening 54. Thewire 10 may have barbs or other saw-like features to aid in cutting bone and forming the pathway. Of course, the more straight pathway could be formed by manipulating thesuture 3 itself, e.g., by tensioning thesuture 3 when securing the tendon or other material. Reducing the length ofsuture 3 in thepassageway 5 may improve the suture's ability to maintain appropriate tension on therotator cuff 2, e.g., by reducing the amount of stretch of the suture when under tension. - After the
suture 3 has been passed through thepassageway 5, thesuture 3 may be engaged with asuture fixation device 4 as shown inFIG. 13 . Although use of a suture fixation device is not required, thesuture fixation device 4 may improve an ability to securely fixate the suture 3 (and the tissue 2) relative to the bone. Thesuture fixation device 4 may be arranged in any suitable way, but in this illustrative embodiment has an arrangement similar to a button. For example, thesuture fixation device 4 may have two through holes formed in a disk-shaped member through which leading ends of thesuture 3 are passed. The suture ends 3 may be passed through respective holes in thesuture fixation device 4 using one ormore feed members 41. Thefeed members 41 may have an elongated shape that is passed through a respective hole in thesuture fixation device 4. A loop at one end of thefeed member 41 may receive an end of thesuture 3 and thereafter thefeed member 41 may be pulled through a respective hole in thesuture fixation device 4 so as to pull thesuture 3 through the hole. Of course, it should be understood that thesuture 3 may be fed through thesuture fixation device 4 in any other suitable way. When performing this technique arthroscopically, thesuture 3 may be fed through thesuture fixation device 4 either inside or outside of the body cavity. - As shown in
FIG. 14 , after thesuture 3 is engaged with thesuture fixation device 4, thesuture fixation device 4 may be positioned relative to thesecond opening 54 of thepassageway 5 using anapplier 42 which removably engages with thesuture fixation device 4 and may be selectively disengaged from the suture fixation device when thesuture fixation device 4 is positioned as desired. As shown inFIG. 15 , theapplier 42 may have a pair oftines 421 that engage with recesses or other features on thesuture fixation device 4 so as to removably engage with thesuture fixation device 4. Thetines 421 may be resilient so that the tines are squeezed together when engaged with thesuture fixation device 4. Thus, an elastic force biasing the tine ends apart may help maintain engagement of the tines with thegrooves 48 in thesuture fixation device 4. Alternately, the tine ends may be force-fit intogrooves 48 in the suture fixation device so that engagement is maintained based on friction. Of course, it will be understood that theapplier 42 may engage with thesuture fixation device 4 in any other suitable way, such as a screw-in or snap configurations. - With the
suture fixation device 4 in place relative to thesecond opening 54, thesuture 3 may be tensioned so as to appropriately position the rotator cuff2 relative to thehumerus 1. At this point, thesuture 3 may be fixed relative to thesuture fixation device 4, such as by tying a knot with the suture ends. Thus, thesuture fixation device 4 may provide not only a structure to support the suture knot, but also may spread the force of thesuture 3 to portions of the relatively hard cortical bone surrounding or otherwise adjacent to thesecond opening 54. By having thesuture fixation device 4 engage with this cortical bone, thesuture fixation device 4 may provide a relatively stable and secure fixation point for thesuture 3. Thesuture fixation device 4 may also incorporate a mechanism for knotless fixation of the suture, such as an interference pin, a locking passageway, a locking cap, etc. - Although in the illustrative embodiment described above both ends of the
suture 3 are passed through thepassageway 5 and secured at or near thesecond opening 54 of thepassageway 5, thesuture 3 may be secured in other ways, such as by passing one end of thesuture 3 through thepassageway 5 and passing another end of thesuture 3 around the outside of the bone (e.g., over a portion of the greater tuberosity) where it is secured to the other suture end. In another embodiment, twopassageways 5 may be formed through the bone and one end of thesuture 3 may be passed through one passageway and the other end of thesuture 3 may be passed through the other passageway. The suture ends may then be secured to each other at or near respective second openings of thepassageways 5 on the lateral side of thehumerus 1. In yet another embodiment, two or morefirst holes 51 may be formed so as to intersect with one or moresecond holes 52.Suture 3 may be passed through the two or morefirst holes 51 and be secured at thesecond opening 54 of the one or moresecond holes 52. Such an arrangement may allow for the use of a singlesecond hole 52 andsuture fixation device 4 to secure the rotator cuff at two or more points on the humeral head using two or more sutures that pass through differentfirst holes 51. Other suture fixation techniques may be used as desired. - FIGS. 16A-B and 17A-B show illustrative embodiments of
suture fixation devices 4 in accordance with the invention. In these embodiments, thesuture fixation device 4 includes a restriction in a pathway through thesuture fixation device 4 so that suture or other material passing through the suture fixation device is relatively freely moved in one direction through the pathway, but movement of the suture or other material in the other direction in the pathway is resisted. For example, movement of a suture though the suture fixation devices shown inFIGS. 16A and 17A in a direction to the left in the side view of thesuture fixation devices 4 may be freely allowed, while movement of the suture toward the right may be resisted. This may aid in tensioning thesuture 3 because thesuture 3 may be pulled from thesecond hole 52 through thesuture fixation device 4 until the rotator cuff or other tissue is appropriately positioned. Thereafter, tension on the suture may be temporarily released, e.g., in preparation for forming a knot, but movement of the suture back through thesuture fixation device 4 may be resisted so that the rotator cuff or other tissue is maintained in place until the suture knot is tied or otherwise is secured. - In the
FIG. 16A -B embodiment, the suture fixation device includes an outer end having aflange portion 43 that is sized and arranged to contact the cortical bone adjacent the opening in the passageway at which thesuture fixation device 4 is positioned, e.g., thesecond opening 54. One ormore pathways 44 may be formed through thesuture fixation device 4, such as by a hole or holes formed through the flange 43 (see alsoFIG. 15 ). Instead of having multiple holes, thepathway 44 may include a single slot arranged to receive one or more sutures. Arecess 49 may be provided in theflange portion 43 to receive one or more knots, if formed with the suture(s) in thepathway 44. A pair ofduck bill members 45 at an inner end of thesuture fixation device 4 may extend rearwardly from theflange 43 and may be arranged as to be positionable in thesecond hole 54. Theduck bill members 45 may be separated from each other by a groove that extends across the inner end of thesuture fixation device 4 and be resiliently biased toward each other so as to resist the passage of suture or other material through thepathway 44. One or both of theduck bill structures 45 may includeserrations 46 or other features that may aid in engaging a suture or other material. In theFIG. 16 embodiment, the groove separating theduck bill structures 45 extends to theflange portion 43 so that thestructures 45 are pivotable at a point near theflange portion 43. - The
FIG. 17A -B embodiment similarly includes aflange 43 and one ormore pathways 44.Duck bill structures 45 are also provided. However, in this embodiment rather than being hinged at a point near respective connection points with theflange 43, theduck bill portions 45 are hinged at a point positioned away from theflange 43. Providing the effective hinge points for theduck bill structures 45 in this manner may provide improved engagement of theduck bill structures 45 with a suture or other material when the suture is urged to move from the outer end toward the inner end through thepathway 44. That is, if the suture is pulled to move toward the inner end,serrations 46 or other features will engage with the suture and increased force on the suture will cause an increased force urging theduck bill structures 45 to move toward each other and further squeeze the suture. The duck bill structures in theFIG. 16 and 17 embodiments or other suitable suture engagement arrangements (such as interference pins, locking caps, etc.) may provide a knotless fixation for the suture. Alternatively, the structures may resist movement of the suture so as to aid the surgeon's ability to maintain tension on the suture while forming a knot. - Although this embodiment depicts the flange of the device resting on the outer cortical surface of the bone, the device may be positioned in a hole which has a counterbore, or countersink, in order to prevent any interference between the flange and other bone or tissues that may come in contact with the site either at rest or during movement. Even in the case where the device is positioned in a counterbore or countersink feature, the device may contact cortical bone. Alternately, the device may only contact the outer, cortical surface of the bone, and not extend into a hole in the bone.
- Of course, it should be understood that suture fixation devices may be provided in any suitable form. For example, the
duck bill portions 45 extending from theflange 43 in theFIGS. 16 and 17 embodiments may be sized to closely fit into a mating hole formed in bone. This close fit may help in maintaining thesuture fixation devices 4 in a desired position in the bone. Alternately, theduck bill structures 45 may be formed so as to be tapered on their outer surfaces. Thus, when thesuture fixation device 4 is inserted into a hole in the bone, the tapered surfaces of theduck bill structures 45 may contact the sides of the hole and urge the duck bill structures to move toward each other as thesuture fixation device 4 is pressed into the hole. In another embodiment, a portion of thesuture fixation device 4 that is inserted into a hole may be threaded or otherwise be arranged so as to engage the hole and help prevent the suture fixation device from falling from the hole, e.g., before the suture is secured in place. There are many variations of the mechanism form to retain the suture with respect to the device. Some of these forms may require a knot for final fixation. Other capturing mechanisms may provide sufficient locking of the suture such that a knot is not required. Theses are typically known as “knotless” devices. - Having thus described several aspects of at least one embodiment of this invention, it is to be appreciated various alterations, modifications, and improvements will readily occur to those skilled in the art. Such alterations, modifications, and improvements are intended to be part of this disclosure, and are intended to be within the spirit and scope of the invention. Accordingly, the foregoing description and drawings are by way of example only.
Claims (43)
Priority Applications (12)
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US11/110,419 US7833244B2 (en) | 2005-04-20 | 2005-04-20 | Suture fixation device and method for surgical repair |
US11/110,432 US20060241658A1 (en) | 2005-04-20 | 2005-04-20 | Method and apparatus for suture placement |
US11/110,004 US7771441B2 (en) | 2005-04-20 | 2005-04-20 | Method and apparatus for providing suture in a passageway |
US11/110,584 US7833230B2 (en) | 2005-04-20 | 2005-04-20 | Method and apparatus for providing a passageway |
CA2605189A CA2605189C (en) | 2005-04-20 | 2006-04-12 | Method and apparatus for suture placement |
AU2006240354A AU2006240354B2 (en) | 2005-04-20 | 2006-04-12 | Method and apparatus for suture placement |
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JP2008507715A JP5058154B2 (en) | 2005-04-20 | 2006-04-12 | Method and apparatus for attaching a suture |
EP06740879A EP1887942A2 (en) | 2005-04-20 | 2006-04-12 | Method and apparatus for suture placement |
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US11/799,972 US7955341B2 (en) | 2005-04-20 | 2007-05-03 | Method and apparatus for providing suture in a passageway |
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US11/799,972 Expired - Fee Related US7955341B2 (en) | 2005-04-20 | 2007-05-03 | Method and apparatus for providing suture in a passageway |
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Also Published As
Publication number | Publication date |
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US7833244B2 (en) | 2010-11-16 |
US20060241620A1 (en) | 2006-10-26 |
WO2006115782A2 (en) | 2006-11-02 |
US7569059B2 (en) | 2009-08-04 |
WO2006115773A2 (en) | 2006-11-02 |
US20060241657A1 (en) | 2006-10-26 |
US7771441B2 (en) | 2010-08-10 |
US7833230B2 (en) | 2010-11-16 |
WO2006115773A3 (en) | 2006-12-28 |
US20070208356A1 (en) | 2007-09-06 |
WO2006115782A3 (en) | 2007-01-18 |
US20060241619A1 (en) | 2006-10-26 |
US20060241694A1 (en) | 2006-10-26 |
US7955341B2 (en) | 2011-06-07 |
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