DE29814174U1 - Instrumentarium für das Einbringen eines Implantats in die menschliche Wirbelsäule - Google Patents

Instrumentarium für das Einbringen eines Implantats in die menschliche Wirbelsäule

Info

Publication number
DE29814174U1
DE29814174U1 DE29814174U DE29814174U DE29814174U1 DE 29814174 U1 DE29814174 U1 DE 29814174U1 DE 29814174 U DE29814174 U DE 29814174U DE 29814174 U DE29814174 U DE 29814174U DE 29814174 U1 DE29814174 U1 DE 29814174U1
Authority
DE
Germany
Prior art keywords
distraction
instrument
rods
rod
attached
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE29814174U
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stryker Trauma GmbH
Original Assignee
Howmedica GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Howmedica GmbH filed Critical Howmedica GmbH
Priority to DE29814174U priority Critical patent/DE29814174U1/de
Priority to ES99115017T priority patent/ES2183465T3/es
Priority to AT99115017T priority patent/ATE226048T1/de
Priority to DE69903505T priority patent/DE69903505T2/de
Priority to EP99115017A priority patent/EP0978258B1/de
Priority to AU43436/99A priority patent/AU749712B2/en
Priority to CA002279761A priority patent/CA2279761C/en
Priority to US09/369,477 priority patent/US6296647B1/en
Priority to JP22321899A priority patent/JP4268728B2/ja
Publication of DE29814174U1 publication Critical patent/DE29814174U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
    • A61F2/4611—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of spinal prostheses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
    • A61B17/025—Joint distractors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
    • A—HUMAN NECESSITIES
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    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A—HUMAN NECESSITIES
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    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7059—Cortical plates
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    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/809—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with bone-penetrating elements, e.g. blades or prongs
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    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
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    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108—Shapes
    • A61F2002/30199—Three-dimensional shapes
    • A61F2002/30224—Three-dimensional shapes cylindrical
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    • A—HUMAN NECESSITIES
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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    • A61F2002/30237—Three-dimensional shapes cylindrical tubular, e.g. sleeves partial tubes
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
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    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A—HUMAN NECESSITIES
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    • A61F2002/30383—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by laterally inserting a protrusion, e.g. a rib into a complementarily-shaped groove
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    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
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    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
    • A61F2002/30553—Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting a position by translation along an axis
    • A—HUMAN NECESSITIES
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    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30576—Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs
    • A61F2002/30578—Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs having apertures, e.g. for receiving fixation screws
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    • A61F2002/30593—Special structural features of bone or joint prostheses not otherwise provided for hollow
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    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30599—Special structural features of bone or joint prostheses not otherwise provided for stackable
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    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30601—Special structural features of bone or joint prostheses not otherwise provided for telescopic
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    • A61F2002/30604—Special structural features of bone or joint prostheses not otherwise provided for modular
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    • A61F2/02—Prostheses implantable into the body
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    • A—HUMAN NECESSITIES
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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    • A61F2002/30784—Plurality of holes
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    • A—HUMAN NECESSITIES
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
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    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30772—Apertures or holes, e.g. of circular cross section
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    • A61F2002/30787—Plurality of holes inclined obliquely with respect to each other
    • A—HUMAN NECESSITIES
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30841—Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes
    • A—HUMAN NECESSITIES
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
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    • A61F2/3094—Designing or manufacturing processes
    • A61F2002/30975—Designing or manufacturing processes made of two halves
    • A—HUMAN NECESSITIES
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    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A—HUMAN NECESSITIES
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    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
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    • A—HUMAN NECESSITIES
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    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
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    • A61F2250/0004—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable
    • A61F2250/0008—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable for adjusting a position by translation along an axis or two perpendicular axes
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    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/006—Additional features; Implant or prostheses properties not otherwise provided for modular
    • A61F2250/0063—Nested prosthetic parts

Description

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Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
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Claims (15)

1. Instrumentarium für das Einbringen eines Implantats in die menschliche Wirbel­ säule als Ersatz für einen oder mehrere Wirbelkörper mit:
  • 1. an den gesunden Wirbelkörpern (52, 54) anbringbaren Wirbelkörperplatten (20, 22, 96)
  • 2. Distraktionsstäben (66, 68), die an einem Ende an einer Wirbelkörperplatte (20, 22) bei (96) anbringbar sind
  • 3. zwei U-förmigen Teilen (58, 60), deren Schenkel teleskopisch zusammenwir­ ken und um die angebrachten Distraktionsstäbe (66, 68) herum ein rohrför­ miges Gehäuse (56) bilden, wobei die U-förmigen Teile (58, 60) innere Abschnitte (62, 64) aufweisen, die sich auf den Distraktionsstäben (66, 68) abstützen und
  • 4. einem Distraktionsinstrument (120), das mit den anderen Enden der Distrak­ tionsstäbe (66, 68) verbindbar ist zur Aufbringung einer Kraft auf die Stäbe (66, 68) quer zu ihrer Längserstreckung.
2. Instrumentarium nach Anspruch 1, dadurch gekennzeichnet, daß die Wirbelplatten (20, 22) annähernd rechtwinklig geformt sind mit einem ersten Schenkel (24), der gegen eine Endfläche eines Wirbelkörpers (52, 54) bzw. eine Bandscheibe anliegt und einem zweiten Schenkel (26), der an der Umfangsfläche eines Wirbelkörpers (52, 54) anliegt und mit diesem verschraubbar ist, wobei der zweite Schenkel (26) ein Gewindeloch aufweist für eine Verbindung mit einem Distraktionsstab (68) bzw. einem Einbringstab.
3. Instrumentarium nach Anspruch 2, dadurch gekennzeichnet, daß ein einem Wir­ belkörper (52, 54) zugekehrter Abschnitt (14, 16) des Ersatzimplantats einen Auf­ nahmeabschnitt (18) aufweist und der erste Schenkel (24) und der Aufnahme­ abschnitt (18) so ausgebildet sind, daß das Ersatzimplantat in dem von einem oder mehreren Wirbelkörpern geräumten Platz eingesetzt werden kann, während die Wirbelplatten (20, 22) bereits eingebracht sind.
4. Instrumentarium nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Steg der U-förmigen Teile (58, 60) kreisförmig nach außen gekrümmt ist.
5. Instrumentarium nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß an der Innenseite der Stege der U-förmigen Teile (58, 60) ein gabel- oder maul­ förmiger Abschnitt (62, 64) angebracht ist, der sich an einem Distraktionsstab (66, 68) abstützt.
6. Instrumentarium nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß an einer seitlichen Endkante eines Winkels eines U-förmigen Teil (58, 60) eine Reihe von Ausnehmungen (72, 74) geformt ist, am anderen U-förmigen Teil ein Riegel (76) angelenkt ist mit einem seitlichen Zapfen (78, 80), der verriegelnd in eine der Ausnehmungen einführbar ist.
7. Instrumentarium nach Anspruch 6, dadurch gekennzeichnet, daß die Ausnehmun­ gen (72, 74) eine Engstelle (82) aufweisen, der Verriegelungszapfen (78, 80) einen länglichen Querschnitt (84) aufweist und drehbar im Riegel (76) gelagert ist der­ art, daß er nur in einer ersten Drehstellung in eine der Ausnehmungen (72, 74) ein­ setzbar ist und in einer zweiten Drehstellung in der Ausnehmung verriegelbar.
8. Instrumentarium nach Anspruch 6 und 7, dadurch gekennzeichnet, daß der Riegel (76) an beiden Enden einen drehbaren Verriegelungszapfen (78, 80) aufweist und die Seitenkanten des anderen U-förmigen Teils ebenfalls mindestens eine Aus­ nehmung mit einer Engstelle aufweist.
9. Instrumentarium nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß zwei oder mehrere Paare von U-förmigen Teilen (58, 60) vorgesehen sind, die aufeinandersteckbar ausgebildet sind.
10. Instrumentarium nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß ein mit einer Wirbelplatte (20, 22) verbindbarer Einführstab (68) als Distraktions­ stab dient.
11. Instrumentarium nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß ein seitlich am Ersatzimplantat lösbar anbringbarer Stab (142) als Einführstab vor­ gesehen ist.
12. Instrumentarium nach Anspruch 10 oder 11, dadurch gekennzeichnet, daß die Stäbe mit einem lösbaren Griff (116) verbindbar sind.
13. Instrumentarium nach Anspruch 11, dadurch gekennzeichnet, daß seitlich an dem aus mehreren käfigartigen ringförmigen Körpern (10, 12, 14, 16) (Stapel) gebil­ deten Ersatzimplantat eine Kompressionsplatte (32) angebracht ist, deren Abstand von dem Stapel durch eine Einstellschraube (46) eingestellt wird, die in einen mittleren Körper (10, 12) geschraubt ist und deren Ende mit der Kompressions­ platte (32) verschraubt wird, wobei ein Gewindeabschnitt der Einstellschraube (46) sich durch ein Langloch (40) der Kompressionsplatte (32) hindurcherstreckt und der Stab (142) in Dreheingriff mit dem Ende des Gewindeabschnitts bringbar ist und ein hohler Stab (144) vorgesehen ist mit einer Fassung (146) an einem Ende für eine auf den Gewindeabschnitt aufschraubbare Mutter (52), die über den Einsetzstab (142) schiebbar ist.
14. Instrumentarium nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß ein Distraktionsrahmen (120) vorgesehen ist mit zwei Backen (124, 126), von denen die eine (124) fest und die andere in Stufen verstellbar an einem Verbin­ dungsstück (122) angebracht ist, an den Backen (124, 126) Aufnahmestücke (130, 132) für die Distraktionsstäbe (66, 68) angebracht sind, wobei das eine Auf­ nahmestück (132) mittels einer Gewindespindel gegenüber dem festen Auf­ nahmestück (130) verstellbar ist.
15. Instrumentarium nach einem der Ansprüche 1 bis 14, gekennzeichnet durch einen Distraktionsstab (66), der am inneren Ende eine Winkelplatte (96) aufweist, die mit einem Schenkel gegen die Endfläche eines Wirbelkörpers anlegbar ist und deren anderer Schenkel sich gegen die Seitenwand des Wirbelkörpers anlegt.
DE29814174U 1998-08-07 1998-08-07 Instrumentarium für das Einbringen eines Implantats in die menschliche Wirbelsäule Expired - Lifetime DE29814174U1 (de)

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DE29814174U DE29814174U1 (de) 1998-08-07 1998-08-07 Instrumentarium für das Einbringen eines Implantats in die menschliche Wirbelsäule
ES99115017T ES2183465T3 (es) 1998-08-07 1999-08-02 Instrumento para el posicionamiento de un implante en la columna vertebral humana.
AT99115017T ATE226048T1 (de) 1998-08-07 1999-08-02 Instrument zum einsetzen eines wirbelimplantats
DE69903505T DE69903505T2 (de) 1998-08-07 1999-08-02 Instrument zum Einsetzen eines Wirbelimplantats
EP99115017A EP0978258B1 (de) 1998-08-07 1999-08-02 Instrument zum Einsetzen eines Wirbelimplantats
AU43436/99A AU749712B2 (en) 1998-08-07 1999-08-06 Instrument for the positioning of an implant in the human spine
CA002279761A CA2279761C (en) 1998-08-07 1999-08-06 Instrument for the positioning of an implant in the human spine
US09/369,477 US6296647B1 (en) 1998-08-07 1999-08-06 Instrument for the positioning of an implant in the human spine
JP22321899A JP4268728B2 (ja) 1998-08-07 1999-08-06 人体脊椎にインプラントを位置決めする器具

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JP2000152943A (ja) 2000-06-06
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AU749712B2 (en) 2002-07-04
ATE226048T1 (de) 2002-11-15
DE69903505D1 (de) 2002-11-21
AU4343699A (en) 2000-03-02
JP4268728B2 (ja) 2009-05-27
US6296647B1 (en) 2001-10-02
CA2279761A1 (en) 2000-02-07
CA2279761C (en) 2008-06-10
DE69903505T2 (de) 2003-07-10

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