CN217118477U

CN217118477U - Ligament sewing and positioning device

Info

Publication number: CN217118477U
Application number: CN202123299229.4U
Authority: CN
Inventors: 吴�荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-08-05
Anticipated expiration: 2031-12-21

Abstract

The utility model provides a positioner is sewed up to ligament belongs to surgical operation instrument technical field, has solved prior art and has sewed up the problem that the operation is complicated. The utility model discloses a support and the coupler body that can pass the ligament for supporting on patient's diaphysis are equipped with the drilling subassembly that can drill out the tunnel on the diaphysis on the support, the coupler body can drive the stylolite and pass the ligament, still be equipped with on the support and can pass the tunnel with the suture end rather than the mechanism of colluding that is connected. The utility model takes the suture line through the ligament when the hook body passes through the ligament, and after the suture line passes through the ligament, the ends of the suture line are connected together by the thread hooking mechanism, so that the suture line can be pulled out from the tunnel, the ligament is sewed on the bone body by rotating the hook body, the requirement on the proficiency of the operation of a surgeon is low, the operation time is effectively reduced, and the sewing effect is improved; can collude line mechanism direction to stylolite position through set up the guide sleeve in the location sleeve, reduce the counterpoint time of colluding line mechanism and stylolite.

Description

Ligament sewing and positioning device

Technical Field

The utility model belongs to the technical field of surgical operation instrument, particularly, relate to a positioner is sewed up to ligament.

Background

The knee joint is one of the most complex joints of the human body, and in actual motion, the knee joint is not only simple stretching and bending motion, but also comprises a series of complex three-dimensional motions such as rotation of the tibia, rolling and sliding of the femoral malleolus on the tibia. This complex series of movements all require the use of tendons and ligaments surrounding the knee joint to maintain balance and stability. The Anterior Cruciate Ligament (ACL) has the function of limiting the tibial advancement and regulating partial rotation.

When ligaments or tendons become completely or partially detached from the associated bone or are damaged by tearing, surgical intervention may be used to assist repair and reattachment (reduction). Open or arthroscopic surgery is generally an option, and the surgeon determines the actual surgical approach by clinical assessment of the nature of the problem, the choice of reduction technique, the associated surgical elements, and the accessibility of the reduction area and associated reduction areas.

In the actual operation process, the existing ligament suturing and positioning device is relatively complex in operation, a suture line and a bone body cannot be quickly sutured, a large amount of time and heart force of a surgeon are consumed, the suturing compactness possibly cannot reach the optimal effect, and the subsequent recovery time of a patient is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an easy operation's positioner is sewed up to the ligament to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: a ligament suture positioning device comprises a support and a hook body, wherein the support is used for supporting a bone body of a patient, the hook body can penetrate through a ligament, a drilling assembly capable of drilling a tunnel in the bone body is arranged on the support, the hook body can drive a suture to penetrate through the ligament, and a thread hooking mechanism capable of penetrating through the tunnel to connect the end of the suture with the support is further arranged on the support.

The hook body can be wound around the bone body and penetrates through the ligament, the suture thread can be taken through the ligament when the hook body penetrates through the ligament, after the suture thread penetrates out of the ligament, the end parts of the suture thread are connected together by using the thread hooking mechanism, the suture thread can be pulled out of the tunnel, the hook body is rotated to suture the ligament on the bone body, the requirement on the skill of a surgeon is low, the operation time is effectively reduced, and the suture effect is improved.

In the above ligament sewing and positioning device, the thread hooking mechanism includes a connecting member disposed on the bracket, and the connecting member is provided with a connecting portion capable of being locked with the sewing thread.

The connecting part is arranged on the connecting piece to lock the suture line with the connecting piece, so that one end of the suture line is kept stable or the suture line is driven to pass through the bone body through the tunnel, and the suture is convenient to suture.

In the above ligament suture positioning device, the connecting member is a lasso, the connecting portion is annular, and the lasso is provided with a locking member capable of controlling the extension and contraction of the connecting portion.

When the connecting part is extended, the suture can be sleeved by the connecting part, and when the connecting part is contracted, the suture is locked by the connecting part.

In the above ligament suture positioning device, the drilling assembly includes a positioning sleeve connected to the support, the other side of the positioning sleeve can abut against the bone, and an accommodation space is provided in the positioning sleeve and used for the drill to pass through.

The positioning sleeve is used for assisting in positioning the perforation and preventing the perforation from shaking, the accommodating space is arranged in the positioning sleeve so that the drill body can pass through the accommodating space, and the drill body can drill a tunnel on the bone body.

In the above ligament suture positioning device, the positioning sleeve is further provided with a guide sleeve capable of guiding the thread hooking mechanism, and the thread hooking mechanism can pass through the guide sleeve.

The guide sleeve can guide the thread hooking mechanism to the position of the suture thread, so that the alignment time of the thread hooking mechanism and the suture thread is reduced, and the fault-tolerant rate is improved.

In the above mentioned ligament suture positioning device, the guiding sleeve can pass through the positioning sleeve and enter a tunnel drilled on the bone body.

After the guide sleeve enters the bone body tunnel opened by the drilling body, the thread hooking mechanism can directly penetrate through the guide sleeve and is in butt joint with the suture thread at the front end of the hook body, so that the suture thread penetrating through the ligament is locked, and then the suture thread is pulled out of the guide sleeve through the thread hooking mechanism, so that the suture thread is convenient to be sewn and fixed outside the bone body.

In the above ligament suture positioning device, the front end of the hook body is provided with a blade part. The blade is used for puncturing the ligament to lead the suture thread to pass through the ligament.

In the above ligament suture positioning device, the hook body is provided with a thread passage for passing a suture thread.

Through set up the line passageway in the coupler body, the stylolite can penetrate in the coupler body, is convenient for the coupler body to drive the stylolite and pass the ligament.

In the above ligament suture positioning device, as another mode, the hook body is provided with a winding part capable of winding a suture thread.

The winding part is arranged on the hook body, so that the suture can be wound on the hook body, and the hook body can drive the suture to pass through the ligament conveniently.

In the above ligament suture positioning device, the positioning sleeve is fixedly or slidably connected with the bracket.

When the locating sleeve and the support are fixedly connected, the connection is more stable, and when the locating sleeve and the support are in sliding connection, the position adjustment is more flexible.

Compared with the prior art, the utility model takes the suture line through the ligament when the hook body passes through the ligament, and after the suture line passes through the ligament, the ends of the suture line are connected together by the line hooking mechanism, so that the suture line can be pulled out from the tunnel, and the ligament is sutured on the bone body by rotating the hook body, thereby having lower requirement on the proficiency of the operation of a surgeon, effectively reducing the operation time and improving the suturing effect; the guide sleeve is arranged in the positioning sleeve, so that the thread hooking mechanism can be guided to the position of the suture thread, the alignment time of the thread hooking mechanism and the suture thread is reduced, and the fault-tolerant rate is improved; the front end of the hook body is provided with the blade part, so that the hook body can conveniently break the ligament and drive the suture to penetrate out; the hook body is provided with the thread passing channel or the hook body is provided with the winding part, so that the hook body and the suture thread can be linked conveniently.

Drawings

Fig. 1 is a schematic view of the working state of the present invention;

FIG. 2 is a schematic structural view of each component of the present invention;

in the figure, 1, a bracket; 2. a hook body; 21. a blade part; 22. a wire passage; 3. a drilling assembly; 31. a positioning sleeve; 32. a guide sleeve; 4. a tunnel; 5. a suture; 6. a ligament; 7. a thread hooking mechanism; 71. a connecting member; 72. a connecting portion; 73. a locking member; 8. a shaft of bone.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-2, the utility model comprises a support 1 for supporting on the corpus ossis 8 of the patient and a hook body 2 capable of passing through the ligament 6, the support 1 on be equipped with the drilling component 3 capable of drilling out the tunnel 4 on the corpus ossis 8, the hook body 2 can drive the suture 5 to pass through the ligament 6, the support 1 on still be equipped with can pass the tunnel 4 with the suture 5 tip rather than the mechanism 7 that colludes that is connected.

The hook body 2 can be wound around the bone body 8 and pass through the ligament 6, the suture 5 can be taken through the ligament 6 together when the hook body 2 passes through the ligament 6, after the suture 5 passes through the ligament 6, the ends of the suture are connected together by using the thread hooking mechanism 7, the suture 5 can be pulled out of the tunnel 4, the hook body 2 is rotated to suture the ligament 6 on the bone body 8, the requirement on the operating skill of a surgeon is low, the operation time is effectively reduced, and the suture effect is improved.

The thread hooking mechanism 7 comprises a connecting piece 71 arranged on the bracket 1, and a connecting part 72 which can be locked with the suture thread 5 is arranged on the connecting piece 71.

The connecting part 72 is arranged on the connecting piece 71 to lock the suture 5 with the connecting piece, so that one end of the suture 5 is kept stable or the suture 5 is driven to pass through the tunnel 4 and penetrate out of the bone body 8, and the suture is convenient to suture.

The connecting piece 71 is a lasso, the connecting part 72 is annular, and the lasso is provided with a locking piece 73 capable of controlling the extension and contraction of the connecting part 72. When the connecting part 72 is extended, the suture 5 can be nested by the connecting part, and when the connecting part 72 is contracted, the suture 5 is locked by the connecting part.

The drilling assembly 3 comprises a positioning sleeve 31 connected with the support 1, the other side of the positioning sleeve 31 can be abutted against the bone body 8, and an accommodating space is arranged in the positioning sleeve 31 and is used for a drilling body (not shown in the figure) to pass through.

The positioning sleeve 31 is used for assisting the positioning of the perforation and preventing the perforation from shaking, a containing space is arranged in the positioning sleeve 31 so as to facilitate the passing of a drill body, and the drill body can drill a tunnel 4 on the bone body 8.

The positioning sleeve 31 is also internally provided with a guide sleeve 32 which can guide the thread hooking mechanism 7, and the thread hooking mechanism 7 can pass through the guide sleeve 32.

The guide sleeve 32 can guide the thread hooking mechanism 7 to the position of the suture thread 5, so that the alignment time of the thread hooking mechanism 7 and the suture thread 5 is reduced, and the fault tolerance rate is improved.

The guide sleeve 32 can be inserted through the positioning sleeve 31 into the tunnel 4 drilled in the shaft 8. After the guide sleeve 32 enters the tunnel 4 of the drilled bone 8, the thread hooking mechanism 7 can directly penetrate through the guide sleeve 32 and butt joint with the suture 5 at the front end of the hook body 2, so that the suture 5 penetrating through the ligament 6 is locked, and then the suture 5 is pulled out of the guide sleeve 32 through the thread hooking mechanism 7, so that the suture can be conveniently sutured and fixed outside the bone 8.

The front end of the hook body 2 is provided with a blade 21. The purpose of blade 21 is to pierce ligament 6 and pass suture 5 through ligament 6.

The hook body 2 is internally provided with a thread passing channel 22 for the suture thread 5 to pass through. Through setting up line passageway 22 in coupler body 2, stylolite 5 can penetrate in coupler body 2, is convenient for coupler body 2 to drive stylolite 5 and pass ligament 6.

The positioning sleeve 31 is fixedly connected or slidably connected with the bracket 1. When locating sleeve 31 is fixed connection with support 1, it is more stable to connect, and when locating sleeve 31 was sliding connection with support 1, position adjustment was more nimble.

The utility model discloses the theory of operation: firstly, the bracket 1 is arranged on a bone body 8, then the bracket is positioned by a positioning sleeve 31 to be abutted against the bone body 8, the bone body 8 is drilled with a tunnel 4 by a drill body, a guide sleeve 32 passes through the tunnel 4, a connecting piece 71 is pushed to penetrate out of the guide sleeve, meanwhile, a ligament 6 is pierced from one side of the bone body 8 by a hook body 2 passing through the bone body 8, the suture 5 is brought into and passes through the ligament 6 by the hook body 2, an annular connecting part 72 on the connecting piece 71 is sleeved into the suture 5 passing through the ligament 6, after the suture 5 is connected with the connecting part 72, the connecting piece 71 is pulled to pull the suture 5 out of the tunnel 4, and at the moment, the hook body 2 can be rotated to suture.

The utility model has the advantages that the suture 5 is taken through the ligament 6 when the hook body 2 passes through the ligament 6, after the suture 5 passes through the ligament 6, the ends of the suture are connected together by the thread hooking mechanism 7, the suture 5 can be pulled out from the tunnel 4, the ligament 6 is sewed on the bone body 8 by rotating the hook body 2, the requirement on the proficiency of the operation of a surgeon is lower, the operation time is effectively reduced, and the sewing effect is improved; the guide sleeve 32 is arranged in the positioning sleeve 31, so that the thread hooking mechanism 7 can be guided to the position of the suture thread 5, the alignment time of the thread hooking mechanism 7 and the suture thread 5 is reduced, and the fault tolerance rate is improved; the front end of the hook body 2 is provided with the blade part 21, so that the hook body 2 can conveniently break the ligament 6 and drive the suture 5 to penetrate out; the hook body 2 and the suture thread 5 are convenient to be linked by arranging the thread passing channel 22 in the hook body 2.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A ligament (6) suture positioning device, characterized in that: the bone grafting device comprises a support (1) used for being supported on a bone body (8) of a patient and a hook body (2) capable of penetrating through a ligament (6), wherein a drilling component (3) capable of drilling a tunnel (4) on the bone body (8) is arranged on the support (1), the hook body (2) can drive a suture line (5) to penetrate through the ligament (6), and a line hooking mechanism (7) capable of penetrating through the tunnel (4) to connect the end part of the suture line (5) with the hook body is further arranged on the support (1).

2. Ligament (6) suture positioning device according to claim 1, characterized in that: the thread hooking mechanism (7) comprises a connecting piece (71) arranged on the support (1), and a connecting part (72) which can be locked with the sewing thread (5) is arranged on the connecting piece (71).

3. Ligament (6) suture positioning device according to claim 2, characterized in that: the connecting piece (71) is a lasso, the connecting part (72) is annular, and the lasso is provided with a locking piece (73) capable of controlling the extension and contraction of the connecting part (72).

4. A ligament (6) suture positioning device according to claim 1, 2 or 3, characterized in that: the drilling assembly (3) comprises a positioning sleeve (31) connected with the support (1), the other side of the positioning sleeve (31) can abut against the bone body (8), and an accommodating space is arranged in the positioning sleeve (31) and used for allowing a drilling body to pass through.

5. Ligament (6) suture positioning device according to claim 4, characterized in that: the positioning sleeve (31) is also internally provided with a guide sleeve (32) which can guide the thread hooking mechanism (7), and the thread hooking mechanism (7) can pass through the guide sleeve (32).

6. Ligament (6) suture positioning device according to claim 5, characterized in that: the guide sleeve (32) can pass through the positioning sleeve (31) to enter a tunnel (4) drilled on the bone body (8).

7. A ligament (6) suture positioning device according to claim 1, 2 or 3, characterized in that: the front end of the hook body (2) is provided with a blade part (21).

8. A ligament (6) suture positioning device according to claim 1, 2 or 3, characterized in that: the hook body (2) is internally provided with a thread passing channel (22) for a suture thread (5) to pass through.

9. A ligament (6) suture positioning device according to claim 1, 2 or 3, characterized in that: the hook body (2) is provided with a winding part which can wind a suture (5).

10. Ligament (6) suture positioning device according to claim 4, characterized in that: the positioning sleeve (31) is fixedly connected or slidably connected with the bracket (1).