CN213641906U

CN213641906U - Ligament traction stretching device

Info

Publication number: CN213641906U
Application number: CN202020491778.8U
Authority: CN
Inventors: 徐天阳; 李国东; 杨东; 刘凯缘; 范霖; 翟晓宇
Original assignee: Shanghai Tenth Peoples Hospital
Current assignee: Shanghai Tenth Peoples Hospital
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2021-07-09
Anticipated expiration: 2030-04-07

Abstract

The utility model discloses a ligament pulls stretching device, include: one end of the first handle is provided with an annular groove, and the annular groove of the first handle is used for winding a ligament traction wire; the side wall of one end of the second handle is provided with a through groove, one end of the second handle is detachably connected and matched with one end of the first handle in an inserting mode, the through groove allows the ligament traction line to pass through, the other end of the second handle is detachably connected and matched with the other end of the first handle in an inserting mode, and the other end of the second handle and the other end of the first handle form a handheld portion. The utility model discloses easy power consumption, it is tensile convenient, can prevent that operating personnel's hand from being cut, improves the security.

Description

Ligament traction stretching device

Technical Field

The utility model relates to a medical appurtenance's technical field especially relates to a ligament traction stretching device.

Background

In the prior art, ligament repair and reconstruction needs to use a new ligament, and the new ligament is passed through a hole on a joint of a human body and fixed so as to replace the original broken ligament. In the specific operation process, one end of the new ligament is fixed on the traction line, the traction line penetrates through the hole, and the new ligament is fixed after being stretched to the fixing position of the joint.

At present operating personnel twines the pull wire on hand and stretches, because the pull wire is thin sharp, leads to can cut operating personnel's hand at tensile in-process, and difficult hard at tensile in-process, makes the difficult stretching of new ligament to fixed position.

Disclosure of Invention

The auxiliary stretching device aims at providing a ligament traction stretching device, winding a traction wire on the device, stretching the traction wire by the device, applying force easily, stretching the traction wire conveniently, preventing hands of operators from being cut and improving safety.

The specific technical scheme is as follows:

a ligament traction tensioning device comprising:

one end of the first handle is provided with an annular groove, and the annular groove of the first handle is used for winding a ligament traction wire;

the side wall of one end of the second handle is provided with a through groove, one end of the second handle is detachably connected and matched with one end of the first handle in an inserting mode, the through groove allows the ligament traction line to pass through, the other end of the second handle is detachably connected and matched with the other end of the first handle in an inserting mode, and the other end of the second handle and the other end of the first handle form a handheld portion.

Foretell ligament traction stretching device, wherein, the lateral wall of the one end of first handle sets up boss, projection and bulge loop that connects gradually, the lateral wall of the one end of second handle sets up the sleeve, form the storage tank in the sleeve, the storage tank includes first slot and the second slot that communicates each other, first slot with form the step between the second slot, it is located to lead to the groove the lateral wall of storage tank, the bulge loop with the perisporium of first slot offsets, the boss with the perisporium of second slot offsets, the projection with form between the first slot the annular.

In the ligament traction and stretching device, one end of the boss close to the protruding column abuts against the step, and one end of the sleeve far away from the second handle abuts against the first handle.

In the ligament traction stretching device, the side wall of the other end of the first handle is provided with the protruding rod, the side wall of the other end of the second handle is provided with the third slot, and the protruding rod is matched with the third slot in an inserting manner.

In the ligament traction and stretching device, a first sleeve pad is arranged on the periphery of the other end of the first handle, a second sleeve pad is arranged on the periphery of the other end of the second handle, and the first sleeve pad and the second sleeve pad form the handheld portion.

In the ligament traction stretching device, a locking component is arranged on the side wall of one end of the first handle, and the locking component is used for locking the sleeve and the boss after insertion.

The ligament traction stretching device described above, wherein the locking assembly comprises:

the locking ring is connected with the side wall of one end of the first handle, the locking ring is positioned on the periphery of the sleeve, and an opening is formed in the side wall of the locking ring;

one end of the lock rod penetrates through the locking ring and is positioned on two sides of the opening, and the other end of the lock rod is in limit fit with one side, positioned on the opening, of the locking ring;

the pressing buckle is arranged at one end of the pressing buckle and one end of the lock rod are rotatably connected, one end of the pressing buckle is close to one side of the opening and is provided with a protrusion, the protrusion and the locking ring are located in a state that the other side of the opening is abutted, the pressing buckle is attached to the locking ring, and the opening is in a closed state and is used for compressing the sleeve and the boss.

In the ligament traction and stretching device, the locking ring is provided with the protruding blocks on two sides of the opening, one end of the locking rod penetrates through the two protruding blocks, and the other end of the locking rod is in limit fit with one protruding block.

In the ligament traction and stretching device, the locking ring is arranged in a C shape.

In the ligament traction and stretching device, the side wall of the locking ring on the side far away from the opening is fixedly connected with the side wall of the first handle.

Compared with the prior art, the technical scheme has the positive effects that:

the utility model discloses new ligament is connected to the one end of well pull wire, and the other end of pull wire twines in the annular, with the cooperation of pegging graft of first handle and second handle, the pull wire passes logical groove this moment, and operating personnel holds handheld portion and stretches. The utility model discloses simple structure, easy hard, it is tensile convenient, can prevent that operating personnel's hand from being cut, improves the security.

Drawings

Fig. 1 is a schematic view of the overall structure of a ligament traction and stretching device according to the present invention;

fig. 2 is an exploded view of the ligament traction and stretching device of the present invention;

fig. 3 is a cross-sectional view of the ligament traction and stretching device of the present invention at the locking assembly;

in the drawings: 1. a first handle; 2. a second handle; 3. a ring groove; 4. a through groove; 5. a hand-held portion; 6. a boss; 7. a convex column; 8. a convex ring; 9. a sleeve; 10. a containing groove; 11. a first slot; 12. a second slot; 13. a step; 14. a nose bar; 15. a third slot; 16. a first set of pads; 17. a second set of pads; 18. a locking assembly; 19. a locking ring; 20. a lock lever; 21. pressing and buckling; 22. an opening; 23. a protrusion; 24. and (4) a bump.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

Fig. 1 is the utility model relates to a ligament pulls stretching device's overall structure schematic diagram, fig. 2 is the utility model relates to a ligament pulls stretching device's decomposition structure schematic diagram, fig. 3 is the utility model relates to a ligament pulls stretching device is located the cross-sectional view of locking Assembly department, as shown in fig. 1 to fig. 3, shows a ligament of preferred embodiment and pulls stretching device, include: first handle 1 and second handle 2, the one end of first handle is equipped with annular 3, annular 3 of first handle 1 is used for twining the ligament pull wire, logical groove 4 has been seted up to the lateral wall of the one end of second handle 2, the one end of second handle 2 is pegged graft with the one end detachable of first handle 1 and is cooperated, it passes to lead to groove 4 and supply the ligament pull wire, the other end of second handle 2 is pegged graft with the other end detachable of first handle 1 and is cooperated, the other end of second handle 2 and the other end department of first handle 1 form handheld portion 5.

Further, as a preferred embodiment, the side wall of one end of the first handle 1 is provided with a boss 6, a convex column 7 and a convex ring 8 which are connected in sequence, the side wall of one end of the second handle 2 is provided with a sleeve 9, a containing groove 10 is formed in the sleeve 9, the containing groove comprises a first slot 11 and a second slot 12 which are communicated with each other, a step 13 is formed between the first slot 11 and the second slot 12, the through slot 4 is located on the side wall of the containing groove 10, the convex ring 8 abuts against the peripheral wall of the first slot 11, the boss 6 abuts against the peripheral wall of the second slot 12, and an annular groove 3 is formed between the convex column 7 and the first slot 11.

Preferably, one end of the boss 6, which is far away from the first handle 1, is connected with one end of the convex column 7, and the convex ring 8 is arranged on the periphery of the other end of the convex column 7.

Preferably, one end of the through slot 4 is slotted to the position of the convex ring 8, the other end of the through slot 4 extends to the end part of the sleeve 9 close to one end of the first handle 1, and the convex ring 8 is communicated with the accommodating groove 10.

Further, as a preferred embodiment, one end of the boss 6 close to the boss 7 abuts against the step 13, and one end of the sleeve 9 far from the second handle 2 abuts against the first handle 1.

Preferably, the annular groove 3 is formed between one end of the convex ring 8 close to the boss 6, one end of the boss 6 close to the convex ring 8, and the peripheral wall of the first slot 11 and the peripheral wall of the convex column 7.

Further, as a preferred embodiment, a protruding rod 14 is disposed on the side wall of the other end of the first handle 1, a third slot 15 is disposed on the side wall of the other end of the second handle 2, and the protruding rod 14 is inserted into the third slot 15.

Further, as a preferred embodiment, the first handle 1 has a first pad set 16 on the outer periphery of the other end thereof, the second handle 2 has a second pad set 17 on the outer periphery of the other end thereof, and the first pad set 16 and the second pad set 17 form a hand-holding portion.

Preferably, the through slot 4 is located on the side of the sleeve 9 remote from the grip 5.

The above is merely an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.

The utility model discloses still have following embodiment on above-mentioned basis:

in a further embodiment of the present invention, please continue to refer to fig. 1 to fig. 3, a locking component 18 is disposed on the side wall of one end of the first handle 1, and the locking component 18 is used for locking the sleeve 9 and the boss 6 after the insertion.

Preferably, the locking assembly 18 prevents the first handle 1 from being released from the second handle 2 after the insertion.

In a further embodiment of the present invention, the locking assembly 18 comprises: locking ring 19, locking lever 20 and pressure are detained 21, locking ring 19 is connected with the lateral wall of the one end of first handle 1, locking ring 19 is located the periphery of sleeve 9, be equipped with opening 22 on locking ring 19's the lateral wall, locking ring 19 is located opening 22's both sides are passed to locking lever 20's one end, locking lever 20's the other end is located one side limit fit of opening 22 with locking ring 19, the one end of pressure is detained 21 and is rotated with locking lever 20's one end and is connected, the one side that the one end of pressure is close to opening 22 is equipped with arch 23, arch 23 is located under the state that opening 22's opposite side offseted with locking ring 19, pressure is detained 21 and locking ring 19 laminating, and opening 22 is the closure state, be used for compressing tightly sleeve.

In a further embodiment of the present invention, the locking ring 19 is provided with a protrusion 24 on both sides of the opening 22, the one end of the locking rod 20 passes through the two protrusions 25, and the other end of the locking rod 20 is in spacing cooperation with the protrusion 24.

In a further embodiment of the present invention, the locking ring 19 is a C-shaped ring.

In a further embodiment of the present invention, the side wall of the side of the locking ring 19 away from the opening 22 is fixedly connected to the side wall of the first handle 1.

Preferably, a gap is formed between the inner circumference of the locking ring 19 and the circumferential wall of the boss 6, and the gap allows the end of the sleeve 9 close to the first handle 1 to extend into.

The utility model discloses new ligament is connected to the one end of well pull wire, and the other end of pull wire twines in annular 3, with the cooperation of pegging graft of first handle 1 and second handle 2, the pull wire passes logical groove 4 this moment to compress tightly and press and detain, make 19 locking sleeve 9 of lock ring and boss 6, thereby lock first handle 1 and second handle 2, accomplish the locking back, operating personnel holds handheld portion and stretches, will stretch to the fixed position of joint with new ligament through the pull wire.

The utility model discloses simple structure, easy hard, it is tensile convenient, can prevent that operating personnel's hand from being cut, improves the security.

The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.

Claims

1. A ligament traction tensioning device, comprising:

2. The ligament traction and stretching device according to claim 1, wherein a boss, a protruding column and a protruding ring are sequentially disposed on a side wall of one end of the first handle, a sleeve is disposed on a side wall of one end of the second handle, an accommodating groove is formed in the sleeve, the accommodating groove comprises a first slot and a second slot which are mutually communicated, a step is formed between the first slot and the second slot, the through groove is located on a side wall of the accommodating groove, the protruding ring abuts against a peripheral wall of the first slot, the boss abuts against a peripheral wall of the second slot, and the annular groove is formed between the protruding column and the first slot.

3. The ligament traction and tensioning device according to claim 2, wherein an end of the boss adjacent to the boss abuts against the step, and an end of the sleeve remote from the second handle abuts against the first handle.

4. The ligament traction and stretching device of claim 2, wherein a protruding rod is disposed on a side wall of the other end of the first handle, a third slot is disposed on a side wall of the other end of the second handle, and the protruding rod is inserted into and matched with the third slot.

5. The ligament traction and tensioning device according to claim 4, wherein the other end of the first handle is provided with a first sleeve pad at the periphery thereof, the other end of the second handle is provided with a second sleeve pad at the periphery thereof, and the first sleeve pad and the second sleeve pad form the hand-held part.

6. The ligament traction and stretching device of claim 2, wherein a locking component is arranged on a side wall of one end of the first handle, and the locking component is used for locking the inserted sleeve and the boss.

7. The ligament traction tensioning device of claim 6, wherein the locking assembly comprises:

8. The ligament traction and tensioning device according to claim 7, wherein the locking ring has protrusions on both sides of the opening, one end of the locking rod passes through the two protrusions, and the other end of the locking rod is in limit fit with one of the protrusions.

9. The ligament traction tensioning device of claim 7, wherein the locking ring is C-shaped.

10. The ligament traction and tensioning device of claim 7, wherein a side wall of the locking ring on a side away from the opening is fixedly connected with a side wall of the first handle.