Manual stitching instrument for meniscus

Abstract

The utility model discloses a manual meniscus stitching instrument which comprises a flat handle, a quick assembly mechanism is arranged on the flat handle, a stitching mechanism is installed on the quick assembly mechanism, an anti-skid sleeve is arranged on the flat handle, the stitching mechanism comprises a main rod body and a replacement rod, the main rod body and the replacement rod are hollow, and the main rod body and the replacement rod are fixedly connected with the flat handle. A connecting thread groove is formed in the end part of the main rod body. According to the manual meniscus stitching instrument, the fusiform spine end and the main rod body with different radians and lengths are replaced to adapt to stitching of different parts of a meniscus, the repair range is enlarged, the maximum angle of the head is 26 degrees, the stitching instrument can reach the repair area of the rear angle and the body close to the front side more easily through the design, the repair range is enlarged, and the repair efficiency is improved. The cutting edge of the suturing instrument is shortened, the situation that the puncture rod needs to enter the articular cavity too much during external and internal suturing is avoided, the fracture risk is reduced, meanwhile, the price is low, and the suturing efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely is a meniscus handwork suture device. BACKGROUND

[0002] Meniscus injury is a kind of clinical more common disease, meniscus suture method has from outside to inside suture, from inside to outside suture and all inside suture, in the prior art, from outside to inside suture, mostly adopt lumbar puncture needle to make through line device, and after introducing suture into joint cavity, suture is carried out, but suture is difficult when dull needle head of lumbar puncture needle is passed through meniscus, and it is easy to cause secondary injury of meniscus during operation, and suture thread is also easy to cut during puncture, causes suture thread fracture, leads to firm suture, and the suture effect is poor, from inside to outside suture, the current suture such as FAS-FIX (Shi Le Hui meniscus repair suture system) can realize the rapid suture of meniscus body and root, but it is difficult to operate for meniscus anterior horn tear, and the device is high in cost, therefore based on the deficiency of existing meniscus suture device, the utility model provides a set of meniscus handwork suture device. SUMMARY

[0003] In view of the deficiency of prior art, the utility model provides a kind of meniscus handwork suture device, solve above-mentioned problems.

[0004] To achieve the above object, the utility model is realized by the following technical scheme: a kind of meniscus handwork suture device, including flat handle, quick-mounting mechanism is equipped on the flat handle, suture mechanism is installed on the quick-mounting mechanism, anti-skid sleeve is equipped on the flat handle;

[0005] The suture mechanism includes main rod body and replacement rod, the main rod body and replacement rod are all set to hollow, the main rod body end is provided with connecting thread groove, the replacement rod end is provided with fusiform sharp end, the fusiform sharp end is provided with opening, the replacement rod is provided with multiple scale lines, the end of replacement rod close to main rod body is fixedly connected with connecting thread block.

[0006] Preferably, the flat handle is made of plastic material, and the flat direction of the flat handle is perpendicular to the arc direction of the fusiform sharp end, so that the fusiform sharp end can be pointed.

[0007] Preferably, the arc of the fusiform sharp end is set to 26 degrees at most, and the head and neck of the arc are convenient to enter the needle from different angles, one end of the flat handle is fixedly connected with an indicating arrow, which can indicate the fusiform sharp end.

[0008] Preferably, the connecting thread block is matched with the connecting thread groove, and the replacement rod is threadedly connected with the main rod body through the connecting thread block and the connecting thread groove, so that the fusiform sharp end with different arcs can be conveniently replaced.

[0009] Preferably, the quick mounting mechanism comprises a quick mounting head fixedly connected with the main rod body, a fixing hole is formed in one side of the quick mounting head, a slot is formed in the end of the flat handle, the slot is matched with the quick mounting head, a through hole is formed in the quick mounting head, a guide rod is fixedly connected in the flat handle, a movable push block is slidably connected on the guide rod, a reset spring is arranged on one side of the movable push block, a push slot is formed in the top surface of the movable push block, a connecting rod is fixedly connected with the bottom end of the movable push block, a fixed plug is fixedly connected with the end of the connecting rod, and the fixed plug is matched with the fixing hole, so that the main rod body can be conveniently replaced.

[0010] The utility model provides a kind of meniscus hand suture device.Compared with prior art, it has the following beneficial effects:

[0011] 1、the meniscus hand suture device, by replacing different arc and length's shuttle-shaped sharp end and main rod body, to adapt to the different parts of suture meniscus, enlarge repair range, head maximum angle 26 degrees, such design makes that suture device can more easily reach the repair area of rear angle and body front side, enlarge repair range, and shorten the blade of suture instrument, avoid when inside and outside suture, puncture rod needs to enter joint cavity too much, reduce the risk of fracture, while low in price, suture efficiency is high.

[0012] 2、the meniscus hand suture device, by pushing movable push block and driving fixed plug to move, and the reset spring is compressed, then quick mounting head is inserted into flat handle interior, release movable push block, reset spring resets movable push block, and fixed plug is inserted into fixed hole interior and is fixed, different length's main rod body can be conveniently replaced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole structure schematic diagram of the utility model;

[0014] Figure 2 It is the suture mechanism structure schematic diagram of the utility model;

[0015] Figure 3 It is the quick mounting mechanism structure schematic diagram of the utility model;

[0016] Figure 4 It is the flat handle structure schematic diagram of the utility model.

[0017] In the figure: 1, flat handle; 2, suture mechanism; 201, main rod body; 202, replacement rod; 203, shuttle-shaped sharp end; 204, opening; 205, scale line; 206, connecting threaded groove; 207, connecting threaded block; 3, quick mounting mechanism; 301, quick mounting head; 302, fixed hole; 303, guide rod; 304, movable push block; 305, return spring; 306, push groove; 307, connecting rod; 308, fixed plug; 4, anti-skid sleeve; 5, indication arrow. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Please refer to Figure 1 , Figure 2 and Figure 4 , the present application provides a technical solution: a meniscus manual suture device, comprising a flat handle 1, the flat handle 1 end has an opening, which can send PDS line into the main rod body 201, the flat handle 1 is provided with a quick mounting mechanism 3, the quick mounting mechanism 3 is installed with a suture mechanism 2, the flat handle 1 is provided with an anti-skid sleeve 4, which can play a good anti-skid effect, different radii and lengths of the suture mechanism 2 can be used to adapt to different parts of the sutured meniscus, expand the repair range, the maximum angle of the head is 26 degrees, such design makes the suture device can more easily reach the repair area of the posterior horn and the anterior side of the body, expand the repair range, and shorten the blade of the suture instrument, avoid the need for the puncture rod to enter the joint cavity too much when sutured inside and outside, reduce the risk of rupture, at the same time, the price is low, and the suture efficiency is high.

[0020] The suture mechanism 2 comprises a main rod body 201 and a replacement rod 202, the length of the main rod body 201 is 5-10 cm, the lengths of the main rod body 201 and the replacement rod 202 are different to adapt to different parts of the suture meniscus, the main rod body 201 and the replacement rod 202 are both hollow and can accommodate PDS lines, the end of the main rod body 201 is provided with a connecting thread groove 206, the end of the replacement rod 202 is provided with a shuttle-shaped sharp end 203, the flat handle 1 is made of plastic material, and the flat direction of the flat handle 1 is perpendicular to the curvature direction of the shuttle-shaped sharp end 203, so that the shuttle-shaped sharp end 203 can be pointed, the curvature of the shuttle-shaped sharp end 203 is maximally set to 26 degrees, the arc-shaped head and neck are convenient for needle insertion from different angles, one end of the flat handle 1 is fixedly connected with an indicating arrow 5, which can indicate the shuttle-shaped sharp end 203, the shuttle-shaped sharp end 203 is provided with an opening 204, which can conveniently pass the PDS line out, the replacement rod 202 is provided with a plurality of scale lines 205, the end of the replacement rod 202 close to the main rod body 201 is fixedly connected with a connecting thread block 207, the connecting thread block 207 is matched with the connecting thread groove 206, and the replacement rod 202 is threadedly connected with the main rod body 201 through the connecting thread block 207 and the connecting thread groove 206, so that the shuttle-shaped sharp end 203 with different curvatures can be conveniently replaced.

[0021] Please refer to Figure 1 and Figure 3 , the quick mounting mechanism 3 comprises a quick mounting head 301, the quick mounting head 301 is fixedly connected with the main rod body 201, the quick mounting head 301 is provided with a fixed hole 302 on one side, the end of the flat handle 1 is provided with a slot, the slot is matched with the quick mounting head 301, and the inside of the quick mounting head 301 is provided with a through hole, the inside of the flat handle 1 is fixedly connected with a guide rod 303, the guide rod 303 is slidingly connected with a movable push block 304, which can guide the movable push block 304, one side of the movable push block 304 is provided with a return spring 305, which can reset the movable push block 304, the top surface of the movable push block 304 is provided with a push groove 306, which can conveniently push the movable push block 304, the bottom end of the movable push block 304 is fixedly connected with a connecting rod 307, the end of the connecting rod 307 is fixedly connected with a fixed plug 308, the fixed plug 308 is matched with the fixed hole 302, the movable push block 304 is moved to drive the connecting rod 307 to move, the connecting rod 307 is moved to drive the fixed plug 308 to move and compress the return spring 305, then the quick mounting head 301 is inserted into the inside of the flat handle 1, the movable push block 304 is released, the return spring 305 resets the movable push block 304, the fixed plug 308 is inserted into the inside of the fixed hole 302 to be fixed, and different lengths of the main rod body 201 can be conveniently replaced.

[0022] In operation, the suture can pass through the PDS line into the joint cavity through the shuttle-shaped spike end 203, puncture twice, introduce 2 PDS lines, and then pass through the knee arthroscope anterior-lateral / anterior-lateral approach to grab the line and tie a knot. Different radii and lengths of the shuttle-shaped spike end 203 and the main rod body 201 are replaced to adapt to different parts of the sutured meniscus, expand the repair range, and the maximum angle of the head is 26 degrees. Such design makes the suture easier to reach the repair area of the posterior horn and the anterior side of the body, expands the repair range, and shortens the blade of the suture instrument, avoids the need for the puncture rod to enter the joint cavity too much when sutured from the outside to the inside, reduces the risk of breakage, and at the same time, the price is low and the suture efficiency is high.

[0023] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

Claims

1. A manual meniscus suturing device comprising a flat handle (1), characterized in that: The flat handle (1) is provided with a quick mounting mechanism (3), the quick mounting mechanism (3) is provided with a suturing mechanism (2), and the flat handle (1) is provided with an anti-skid sleeve (4). The suturing mechanism (2) comprises a main rod body (201) and a replacement rod (202), the main rod body (201) and the replacement rod (202) are hollow, the end of the main rod body (201) is provided with a connecting thread groove (206), the end of the replacement rod (202) is provided with a shuttle-shaped sharp end (203), the shuttle-shaped sharp end (203) is provided with an opening (204), the replacement rod (202) is provided with a plurality of scale lines (205), and the end of the replacement rod (202) close to the main rod body (201) is fixedly connected with a connecting thread block (207).

2. A meniscal suturing device according to claim 1, wherein: The flat handle (1) is made of plastic material, and the flat direction of the flat handle (1) is perpendicular to the curvature direction of the shuttle-shaped sharp end (203).

3. The meniscal suture device of claim 1, wherein: The curvature of the shuttle-shaped sharp end (203) is 26 degrees at most, and the top of one end of the flat handle (1) is fixedly connected with an indicating arrow (5).

4. The meniscal suture device of claim 1, wherein: The connecting thread block (207) is matched with the connecting thread groove (206), and the replacement rod (202) is threadedly connected with the main rod body (201) through the connecting thread block (207) and the connecting thread groove (206).

5. The meniscal suture device of Claim 1, wherein: The quick mounting mechanism (3) comprises a quick mounting head (301), the quick mounting head (301) is fixedly connected with the main rod body (201), one side of the quick mounting head (301) is provided with a fixed hole (302), the end of the flat handle (1) is provided with a slot, the slot is matched with the quick mounting head (301), and the quick mounting head (301) is internally provided with a through hole.

6. A meniscal suturing device according to claim 5, wherein: The flat handle (1) is internally fixedly connected with a guide rod (303), the guide rod (303) is slidably connected with a movable push block (304), and one side of the movable push block (304) is provided with a return spring (305).

7. A meniscal suturing device according to claim 6, wherein: The top surface of the movable push block (304) is provided with a push groove (306), the bottom end of the movable push block (304) is fixedly connected with a connecting rod (307), and the end of the connecting rod (307) is fixedly connected with a fixed plug (308).

8. A meniscal suturing device according to claim 7, wherein: The fixed plug (308) is matched with the fixed hole (302).

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