WO2007135629A1 - A needle pusher - Google Patents

A needle pusher Download PDF

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Publication number
WO2007135629A1
WO2007135629A1 PCT/IB2007/051860 IB2007051860W WO2007135629A1 WO 2007135629 A1 WO2007135629 A1 WO 2007135629A1 IB 2007051860 W IB2007051860 W IB 2007051860W WO 2007135629 A1 WO2007135629 A1 WO 2007135629A1
Authority
WO
WIPO (PCT)
Prior art keywords
needle
pusher
trigger
holder
claws
Prior art date
Application number
PCT/IB2007/051860
Other languages
French (fr)
Inventor
Orhan Seyfi Aksakal
Original Assignee
Orhan Seyfi Aksakal
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 Orhan Seyfi Aksakal filed Critical Orhan Seyfi Aksakal
Publication of WO2007135629A1 publication Critical patent/WO2007135629A1/en

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Classifications

    • 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
    • A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
    • A61B17/062—Needle manipulators
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00353—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery one mechanical instrument performing multiple functions, e.g. cutting and grasping

Definitions

  • This invention relates to a circular needle pusher for suturing during laparoscopic or endoscopic surgery.
  • the patients can recover in a shorter period when laparoscopy is applied since the operation requires incisions of merely 0,5-1 ,5 cm.
  • the surgeon can examine the operation area by means of a laparoscope which provides a two-dimensional and wide angle view.
  • the object of the invention is to provide a circular needle pusher for use during laparoscopic and endoscopic applications. And another object of the invention is to provide a holder for catching the needle after it is pushed by the circular needle pusher.
  • Figure 1 is a side view of the circular needle pusher in a closed state.
  • Figure 2 is a detailed view of the circular needle pusher while the actuating head is closed and the needle is clamped between the claws.
  • Figure 3 is a detailed view when the needle actuating head and claws of the circular needle pusher are open.
  • Figure 4 is a detailed view of the needle holder group of the circular needle pusher.
  • Figure 5 is a detailed view of the trigger mechanism with lock according to one embodiment of the circular needle pusher.
  • Figure 6 is a detailed exploded view of the claw and coupling of the circular needle pusher.
  • the needle pusher (1) mainly comprises a body (2) containing main elements such as a grip (3), a pusher trigger (4) and holder trigger (5), a needle actuating head (6) for moving the needle (7) and a needle holder group (10).
  • the body (2) is a tubular element. It has the grip (3) and the triggers on one side while having the elements for moving and holding of the needle (7) on the other side.
  • the grip (3) projects from the body (2) in an inclined manner like a butt of a weapon for facilitating the grasp and use.
  • the triggers are located one after another before the grip (3). It is possible to reach the two triggers with fingers via such a grip (3) fitting well in a palm and to pull and push the triggers.
  • each trigger is connected to the body (2) with a support point.
  • the triggers can rotate around said support points.
  • the needle actuating head (6) projects from the distal end of the body (3) with respect to the grip (3).
  • the needle actuating head (6) holds the needle (7) with the help of the slot (8) thereon.
  • the slot (8) is constructed in a way to let the needle (7) in and to hold the needle (7) tightly such that it sustains its place without dropping.
  • the needle (7) used on the needle pusher (1) according to the invention has a curve in such a way that it constitutes approximately ⁇ A of a circle.
  • the slot (8) is parallel to the curve for surrounding the needle (7).
  • the needle (7) with a thread is placed into the slot (8) on the needle actuating head (6) from the thread side and pushed till the end.
  • the needle (7) moves following a circular line as an extension of its own curve.
  • the said movement of the needle (7) can be performed because the distance between the rotation center (M) of the needle actuating head (6) on the body (2) and the slot (8) is the same with the radius of the needle (7) circle.
  • the needle (7) is placed on the needle actuating head (6) to face the outside vertically. And the tip of the needle (7) faces the inside with respect to the rotation direction.
  • the needle follows one single line without deviating during angular movements around the rotation center of the needle actuating head (6).
  • the needle actuating head (6) is pulled and pushed with a needle actuating arm (9) of which one end is connected to the pusher trigger and the other one to itself.
  • the needle actuating arm (9) is positioned on the needle actuating head (6) in a misaligned manner with respect to the rotation center (M). Therefore it is possible to rotate the needle rotating head (6) around the rotation center (M) during pulling and pushing of the needle actuating arm (9).
  • the pusher trigger (4) approaches the grip (3) by rotating around the pusher support point (15).
  • the graspable portion of the pusher trigger (4) is on one side thereof and there is a connection point of the needle actuating arm (9) on the other side. Since the pusher support point (15) is in the middle the needle actuating arm (9) is pushed towards the needle actuating head (6) as a result of the pusher trigger (4) being pulled to the grip (3).
  • the pusher trigger (4) is pulled the difference between the translation amount of the needle actuating arm (9) with respect to the body (2) and the translation amount of its open state is the operating range of the needle actuating head (6).
  • the head rotates with approximately 120° angle.
  • the pusher trigger (4) connected to the body (2) is pulled for allowing the needle actuating arm (9) make the needle (7) closer. For a reverse movement the pusher trigger (4) is pushed. Thus the catching movement of the needle (7) is realized by using the pusher trigger (4).
  • the needle actuating head (6) is retracted while holding the needle's (7) tip.
  • the tip of the needle (7) can be held via the needle holder group (10).
  • the needle holder group (10) has a fixing arm (11), two claws (12) being attached to the body (2) with the fixing arm, a coupling (13) for holding the claws (12) together and a holder actuating arm (14) for moving the coupling (13) by pulling-pushing.
  • the claws (12) stay between the needle actuating head (6) and the body (2), and when the needle actuating head (6) is closed, in the place where the needle's (7) tip comes from by means of the fixing arm (11). Therefore the needle (7) is held from the tip with the opening and closing of the claws (12).
  • the claws (12) are connected to the body (2) with the fixing arm (11).
  • the fixing arm (11) passes through the slot between the two claws (12) facing one another.
  • the claws (12) can move towards themselves or outwards.
  • the claws (12) are closed together their widest reciprocal faces are positioned in parallels. And when they are opened an acute angle is formed by the coupling (13) connecting them.
  • the coupling (13) enables the claws (12) move, each claw being nearly a flat rectangular prism.
  • the fixing arm (11) holds the inner edges of the claws (12) while the coupling (13) holds the outer edges.
  • the holder actuating arm (14) can open and close the claws (12) with a pulling and pushing movement thanks to the misaligned position of the coupling (13) from the axis of the claw (12) junction.
  • Opening and closing movement of the claws (12) is realized by pulling and releasing movement of the holder trigger (5).
  • the holder trigger (5) is connected to the coupling (13) via the holder actuating arm (14).
  • the opening and closing of the claws (12) is realized around an axis (E) located between the claws (12) and to which the fixing arm (11) is also connected. Even though the axis (E) is fixed the connection points (17) grasping the claws (12) from outside in a misaligned way with respect to the axis (E) move.
  • the holder trigger (5) approaches the grip (3) by rotating around the holder support point (16) after the holder trigger (5) is pulled. On one side of the holder support point (16) there is the portion of the holder trigger (5) to be grasped with the fingers and on the other side a connection point of the holder actuating arm (14). Because the holder support point (16) is in the middle the holder trigger (5) is pulled towards the grip (3) and thus the holder actuating arm
  • the actuating arm (14) which is translated outwards as a result of the holder trigger's (5) being pulled, urges the claws (12) to come together.
  • the holder trigger (5) is pulled the difference between the translation amount of the holder actuating arm (14) with respect to the body (2) and the translation amount of its open state is the operating range of the claws (12).
  • the needle actuating arm (9) and the holder actuating arm (14) pass through the tubular structure of the body (2).
  • the lock (18) is placed between the holder trigger (5) and the grip (3) in order to fix the holder trigger (5) at different opening angles during usage.
  • the teeth are engaged and reopening and involuntary releasing of the needle (7) is avoided by pulling the holder trigger (5) by means of the telescopic structures on the lock (18).
  • the trigger is slightly taken away from the handle for the holder trigger (5) to release the needle (7).
  • the teeth are retreated and the lock is unlocked.
  • the needle pusher (1) is brought to the operation area in such a way that its needle (7) is pushed between the claws but without a need to be clamped. - In case that the needle (7) is clamped before suturing procedure the holder trigger (5) lock (18) is unlocked and the holder trigger (5) is released, thereby letting the needle (7) be free.
  • the pusher trigger (4) is pushed forward and an aperture is formed between the needle (7) and the needle holder group (10) in order to enable the needle (7) catch the tissue.
  • the needle (7) is let to catch the tissue by pulling the pusher trigger (4).
  • the needle's (7) tip is located between the needle clamping claws (12).
  • the needle (7) is clamped by the claws (12) by pressing the holder trigger (5) in order not to be dropped during suturing and to let easy grasping. Meanwhile the lock (18) is locked and the needle (7) remains clamped between the claws (12).
  • the needle (7) has to fit into the slot (8) on the actuating head (6) for the next suture. Hence the needle (7) is fitted into its slot (8) again by pressing the pusher trigger (4), the needle (7) being kept in the initial position by the claws (12).
  • the needle pusher (1) is described above as an exemplary embodiment and an exemplary apparatus for a better understanding of the subject matter. It is possible to develop various embodiments of the invention. And the invention is actually as in the claims thereof.

Abstract

This invention relates to a circular needle pusher for performing suturing during laparoscopic or endoscopic operations. The object of the invention is to provide a circular needle pusher for use during laparoscopic and endoscopic applications. And another object of the invention is to provide a holder for catching the needle when it is pushed by the circular needle pusher.

Description

A NEEDLE PUSHER
Technical Field
This invention relates to a circular needle pusher for suturing during laparoscopic or endoscopic surgery.
Prior Art
The patients can recover in a shorter period when laparoscopy is applied since the operation requires incisions of merely 0,5-1 ,5 cm. The surgeon can examine the operation area by means of a laparoscope which provides a two-dimensional and wide angle view.
Not only pursuing the operation procedure but also performing the same via the apparatus reaching the area through the incisions is difficult. Especially applying sutures for ligating the area is difficult due to the fact that it requires a serial of movements in and out of the tissue. In the state of the art this is carried out with the help of various needle holders. The needle holder enables the needle thrust into the tissue and be caught for the next suture.
In US2006004385 an endoscopic suturing apparatus is disclosed, wherein a moving circular needle on the end of the apparatus as shown in the "Figure 1A" thereof gets into the apparatus again after drawing a semi circle outside the apparatus. The end portion is fixed and the only moving part is the needle. In the embodiment shown in "Figure 7A" the semi circular head rotates pivotably. The needle at one end of the semi circle is held on the tissue area by the holders on the other end.
In the abovementioned embodiments of the prior art holding the needle permanently is not mentioned. And also said embodiments do not enable concurrent holding of the two ends of the needle when the needle reaches the operation area.
Brief Description of the Invention The object of the invention is to provide a circular needle pusher for use during laparoscopic and endoscopic applications. And another object of the invention is to provide a holder for catching the needle after it is pushed by the circular needle pusher.
Detailed Description of the Invention
The needle pusher according to the invention is illustrated in the accompanying drawings, in which:
Figure 1 is a side view of the circular needle pusher in a closed state.
Figure 2 is a detailed view of the circular needle pusher while the actuating head is closed and the needle is clamped between the claws.
Figure 3 is a detailed view when the needle actuating head and claws of the circular needle pusher are open.
Figure 4 is a detailed view of the needle holder group of the circular needle pusher.
Figure 5 is a detailed view of the trigger mechanism with lock according to one embodiment of the circular needle pusher.
Figure 6 is a detailed exploded view of the claw and coupling of the circular needle pusher.
The parts illustrated in the drawings are each given a reference numeral as follows: 1. Needle pusher
2. Body
3. Grip 4. Pusher trigger
5. Holder trigger
6. Needle actuating head
7. Needle
8. Slot 9. Needle actuating arm
10. Needle holder group
11. Fixing arm
12. Claw
13. Coupling 14. Holder actuating arm
15. Pusher support point
16. Holder support point
17. Connection point
18. Lock
The needle pusher (1) according to the present invention mainly comprises a body (2) containing main elements such as a grip (3), a pusher trigger (4) and holder trigger (5), a needle actuating head (6) for moving the needle (7) and a needle holder group (10).
The body (2) is a tubular element. It has the grip (3) and the triggers on one side while having the elements for moving and holding of the needle (7) on the other side. The grip (3) projects from the body (2) in an inclined manner like a butt of a weapon for facilitating the grasp and use. The triggers are located one after another before the grip (3). It is possible to reach the two triggers with fingers via such a grip (3) fitting well in a palm and to pull and push the triggers.
In the preferred embodiment of the invention each trigger is connected to the body (2) with a support point. The triggers can rotate around said support points.
The needle actuating head (6) projects from the distal end of the body (3) with respect to the grip (3). The needle actuating head (6) holds the needle (7) with the help of the slot (8) thereon. The slot (8) is constructed in a way to let the needle (7) in and to hold the needle (7) tightly such that it sustains its place without dropping. The needle (7) used on the needle pusher (1) according to the invention has a curve in such a way that it constitutes approximately ΛA of a circle. And the slot (8) is parallel to the curve for surrounding the needle (7).
In the preferred embodiment of the invention the needle (7) with a thread (atraumatic suture) is placed into the slot (8) on the needle actuating head (6) from the thread side and pushed till the end. The needle (7) moves following a circular line as an extension of its own curve. The said movement of the needle (7) can be performed because the distance between the rotation center (M) of the needle actuating head (6) on the body (2) and the slot (8) is the same with the radius of the needle (7) circle. And the needle (7) is placed on the needle actuating head (6) to face the outside vertically. And the tip of the needle (7) faces the inside with respect to the rotation direction. Thus the needle follows one single line without deviating during angular movements around the rotation center of the needle actuating head (6).
The needle actuating head (6) is pulled and pushed with a needle actuating arm (9) of which one end is connected to the pusher trigger and the other one to itself. The needle actuating arm (9) is positioned on the needle actuating head (6) in a misaligned manner with respect to the rotation center (M). Therefore it is possible to rotate the needle rotating head (6) around the rotation center (M) during pulling and pushing of the needle actuating arm (9).
In the preferred embodiment of the invention after being pulled the pusher trigger (4) approaches the grip (3) by rotating around the pusher support point (15). The graspable portion of the pusher trigger (4) is on one side thereof and there is a connection point of the needle actuating arm (9) on the other side. Since the pusher support point (15) is in the middle the needle actuating arm (9) is pushed towards the needle actuating head (6) as a result of the pusher trigger (4) being pulled to the grip (3).
The needle actuating arm (9) translated outwards after the pusher trigger (4) is pulled urges the needle actuating head (6) rotate around the rotation center (M). When the pusher trigger (4) is pulled the difference between the translation amount of the needle actuating arm (9) with respect to the body (2) and the translation amount of its open state is the operating range of the needle actuating head (6). As a consequence of the pulling and pushing movements of the needle actuating arm (9) the head rotates with approximately 120° angle.
The pusher trigger (4) connected to the body (2) is pulled for allowing the needle actuating arm (9) make the needle (7) closer. For a reverse movement the pusher trigger (4) is pushed. Thus the catching movement of the needle (7) is realized by using the pusher trigger (4).
When the needle (7) is closed the needle (7) passes through the tissue that is held by the needle (7). Therefore it is possible to pass the thread inserted into the needle (7) beforehand through the tissue. However in order to have the thread totally in and out of the tissue the needle (7) should get out as a whole and in order to completely release the needle (7) from its slot (8) the needle actuating head (6) is retracted while holding the needle's (7) tip.
The tip of the needle (7) can be held via the needle holder group (10). The needle holder group (10) has a fixing arm (11), two claws (12) being attached to the body (2) with the fixing arm, a coupling (13) for holding the claws (12) together and a holder actuating arm (14) for moving the coupling (13) by pulling-pushing. The claws (12) stay between the needle actuating head (6) and the body (2), and when the needle actuating head (6) is closed, in the place where the needle's (7) tip comes from by means of the fixing arm (11). Therefore the needle (7) is held from the tip with the opening and closing of the claws (12).
As mentioned above the claws (12) are connected to the body (2) with the fixing arm (11). The fixing arm (11) passes through the slot between the two claws (12) facing one another. Thus the claws (12) can move towards themselves or outwards. When the claws (12) are closed together their widest reciprocal faces are positioned in parallels. And when they are opened an acute angle is formed by the coupling (13) connecting them.
The coupling (13) enables the claws (12) move, each claw being nearly a flat rectangular prism. And the fixing arm (11) holds the inner edges of the claws (12) while the coupling (13) holds the outer edges. The holder actuating arm (14) can open and close the claws (12) with a pulling and pushing movement thanks to the misaligned position of the coupling (13) from the axis of the claw (12) junction.
Opening and closing movement of the claws (12) is realized by pulling and releasing movement of the holder trigger (5). The holder trigger (5) is connected to the coupling (13) via the holder actuating arm (14). The opening and closing of the claws (12) is realized around an axis (E) located between the claws (12) and to which the fixing arm (11) is also connected. Even though the axis (E) is fixed the connection points (17) grasping the claws (12) from outside in a misaligned way with respect to the axis (E) move.
In the preferred embodiment of the invention the holder trigger (5) approaches the grip (3) by rotating around the holder support point (16) after the holder trigger (5) is pulled. On one side of the holder support point (16) there is the portion of the holder trigger (5) to be grasped with the fingers and on the other side a connection point of the holder actuating arm (14). Because the holder support point (16) is in the middle the holder trigger (5) is pulled towards the grip (3) and thus the holder actuating arm
(14) is pushed towards the claws (12).
The actuating arm (14) which is translated outwards as a result of the holder trigger's (5) being pulled, urges the claws (12) to come together. When the holder trigger (5) is pulled the difference between the translation amount of the holder actuating arm (14) with respect to the body (2) and the translation amount of its open state is the operating range of the claws (12).
Application Method of the Invention
An example for one of the preferred embodiments of the invention is described below.
In the preferred embodiment of the invention the needle actuating arm (9) and the holder actuating arm (14) pass through the tubular structure of the body (2). Thus the arms are protected against external effects. The lock (18) is placed between the holder trigger (5) and the grip (3) in order to fix the holder trigger (5) at different opening angles during usage. The teeth are engaged and reopening and involuntary releasing of the needle (7) is avoided by pulling the holder trigger (5) by means of the telescopic structures on the lock (18). For the next usage the trigger is slightly taken away from the handle for the holder trigger (5) to release the needle (7). Thus the teeth are retreated and the lock is unlocked.
The application of the invention during a surgical operation is performed as follows:
- The needle pusher (1) is brought to the operation area in such a way that its needle (7) is pushed between the claws but without a need to be clamped. - In case that the needle (7) is clamped before suturing procedure the holder trigger (5) lock (18) is unlocked and the holder trigger (5) is released, thereby letting the needle (7) be free.
- The pusher trigger (4) is pushed forward and an aperture is formed between the needle (7) and the needle holder group (10) in order to enable the needle (7) catch the tissue.
- Upon positioning the tissue in an appropriate condition the needle (7) is let to catch the tissue by pulling the pusher trigger (4). When the pulling movement is completely fulfilled the needle's (7) tip is located between the needle clamping claws (12). - The needle (7) is clamped by the claws (12) by pressing the holder trigger (5) in order not to be dropped during suturing and to let easy grasping. Meanwhile the lock (18) is locked and the needle (7) remains clamped between the claws (12).
- While the needle (7) is held the pusher trigger (4) is pushed and thus the actuating head (6) is taken away from the needle (7) and the needle is finally released. - After the needle (7) gets out from the tissue the thread on the needle (7) is passed through the tissue, thereby providing the first suture.
- The needle (7) has to fit into the slot (8) on the actuating head (6) for the next suture. Hence the needle (7) is fitted into its slot (8) again by pressing the pusher trigger (4), the needle (7) being kept in the initial position by the claws (12).
- The lock (18) is unlocked for unlatching the claws (12) and the needle (7) is released. - An opening is formed between the needle (7) and the holder group
(10) by pushing the pusher trigger (4) in order to get the needle (7) ready for the next suturing.
The abovementioned steps are repeated according to the number of sutures. Thus the needle (7) is held all the time and the suture is performed easily and quickly.
The needle pusher (1) is described above as an exemplary embodiment and an exemplary apparatus for a better understanding of the subject matter. It is possible to develop various embodiments of the invention. And the invention is actually as in the claims thereof.

Claims

1. A needle pusher (1 ), comprising o A body (2) having a grip (3), a pusher trigger (4) and a holder trigger (5), o A needle actuating head (6) for moving the needle (7) and; o A needle holder group (10) that can be used for suturing during laparoscopic operations; characterized by o A needle actuating head (6),
■ Which is moved angularly with the needle actuating arm (9) by holding the needle (7) with the slot (8) which clamps the needle (7) in a way to let the needle (7) in and to hold the needle (7) tightly such that it sustains its place without dropping and attached on the needle actuating head (6) in a misaligned manner with respect to the rotation center (M) connected to the body (2).
o A holder group (10) having
■ Two claws (12) facing each other and attached to the body (2) with a fixing arm (11) in a way to hold the needle (7) tightly when closed,
■ A coupling (13) connected to the two claws (12) and positioned in a misaligned way with respect to the fixing arm (11) which is connected to the body (2) for opening-closing movement of the claws (12) according to each other,
■ A holder actuating arm (14) connected to the coupling (13) for moving the same (13), o A pusher trigger (4) pulling and pushing the needle actuating arm (9) for controlling the movements of the needle actuating head (6), o A holder trigger (5) pulling and pushing the holder actuating arm (14) for controlling the movements of the claws (12).
2. A needle pusher (1) according to claim 1 , characterized in that the needle (7) comprises a curved slot (8) for surrounding itself, the needle (7) being curved in a way to constitute ΛA of a circle.
3. A needle pusher (1) according to claims 1 and 2, characterized in that the distance between the rotation center (M) of the needle actuating head (6) and the slot (8) is the same with the radius of the needle (7) circle such that it ensures that the needle (7) moves following a circular line.
4. A needle pusher (1) according to claims 1 and 2, characterized by a needle (7) projecting vertically outward from the needle actuating head (6) for allowing a movement without deviating, said needle (7) with its end facing inwards with respect to rotating direction.
5. A needle pusher (1) according to claim 1 , characterized by a tubular body (2) covering the needle actuating arm (9) and the holder actuating arm (14).
6. A needle pusher (1) according to claim 1 , characterized by a lock (18) placed between the holder trigger (5) and the grip (3) in order to fix the holder trigger (5) at different opening angles by means of telescopic structures thereon.
7. A needle pusher (1) which can be used in laparoscopic operations, characterized in that said needle pusher (1) fulfils the following steps: o The needle pusher (1) is brought to the operation area in such a way that its needle (7) is pushed between the claws but without a need to be clamped, o In case that the needle (7) is clamped before suturing procedure the holder trigger (5) lock (18) is unlocked and the holder trigger (5) is released, thereby letting the needle (7) be free, o The pusher trigger (4) is pushed forward and an aperture is formed between the needle (7) and the needle holder group (10) in order to enable the needle (7) catch the tissue, o Upon positioning the tissue in an appropriate condition the needle (7) is let to catch the tissue by pulling the pusher trigger (4) and when the pulling movement is completely fulfilled the needle's (7) tip is located between the needle clamping claws (12), o The needle (7) is held by the claws (12) by pressing the holder trigger (5) in order not to be dropped during suturing and to let easy grasping while the lock (18) is locked and the needle (7) remains clamped between the claws (12), o While the needle (7) is held the pusher trigger (4) is pushed and thus the actuating head (6) is taken away from the needle (7) and the needle is finally released, o After the needle (7) gets out from the tissue the thread on the needle (7) is passed through the tissue, thereby providing the first suture, o The needle (7) has to fit into the slot (8) on the actuating head (6) for the next suture, hence the needle (7) is fitted into its slot (8) again by pressing the pusher trigger (4), the needle (7) being kept in the initial position by the claws (12), o The lock (18) is unlocked for unlatching the claws (12) and the needle (7) is released, o An opening is formed between the needle (7) and the holder group (10) by pushing the pusher trigger (4) in order to get the needle (7) ready for the next suturing.
8. A needle pusher (1) according to claim 7, characterized by a lock (18) placed between the holder trigger (5) and the grip (3) in order to keep the needle (7) clamped between the claws (12) during suturing and enabling fixing of the holder trigger (5) and the telescopic structures thereon at different opening values.
PCT/IB2007/051860 2006-05-16 2007-05-15 A needle pusher WO2007135629A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
TR2006/02413 2006-05-16
TR200602413 2006-05-16
TR2007/03262 2007-05-14
TR200703262 2007-05-14

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Publication Number Publication Date
WO2007135629A1 true WO2007135629A1 (en) 2007-11-29

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Cited By (26)

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US8257371B2 (en) 2007-03-15 2012-09-04 Suturenetics, Inc. Limited access suturing devices, system, and methods
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