CN213787592U

CN213787592U - Meniscus anterior horn injury suture auxiliary device

Info

Publication number: CN213787592U
Application number: CN202022755462.8U
Authority: CN
Inventors: 唐恒涛; 白素静; 田康勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-27
Anticipated expiration: 2030-11-25

Abstract

The utility model belongs to the technical field of meniscus suturing device technique and specifically relates to an auxiliary device is sewed up in meniscus anterior angle damage. This kind of auxiliary device is sewed up in meniscus anterior angle damage, which comprises a handle, the needle body, the push rod, spring and elastic rod, the perforation has been seted up at the handle middle part, the end of handle is provided with the needle body with the perforation intercommunication, the end of push rod passes penetrates in the needle body after perforating, the outer wall cover of push rod is equipped with the spring, the top and the push rod fixed connection of spring, the end of spring and the perforation fixed connection of handle, the end of push rod is fixed with the elastic rod that is "V" type claw structure, spring compression when promoting the push rod, elastic rod releases and opens from the needle body, spring-backed when loosening the push rod, elastic rod withdraws in the needle body and is closed. The utility model discloses the PDS stylolite that the hook came out is sewed up to meniscus can be cliied rapidly and snatch after passing ruptured meniscus, improves meniscus seam efficiency.

Description

Meniscus anterior horn injury suture auxiliary device

Technical Field

The utility model belongs to the technical field of meniscus suturing device technique and specifically relates to an auxiliary device is sewed up in meniscus anterior angle damage.

Background

At present, the anterior horn suture of the meniscus mostly adopts outside-in technology. The outside-in technology uses a meniscus suture hook to penetrate through a small skin incision and a joint capsule, extends into a joint and penetrates through a ruptured meniscus edge, then a PDS suture is led in through a suture hook inner pipeline, a suture penetrates through the meniscus rupture edge, then an epidural puncture needle is used to carry a 2-0Maxon line, an arthroscopic puncture needle carries a line loop to enter a joint cavity, a PDS line above a meniscus passes through a line grasping device from a line loop, then the epidural puncture needle and the Maxon line loop lead the PDS line out of the joint capsule, the PDS line below the meniscus is led out of the joint capsule in the same step, and then knotting is carried out outside the joint capsule for a plurality of operations to finish anterior meniscus suture. It can be seen that the current suture of anterior horn of meniscus is very tedious, especially there is no auxiliary device capable of efficiently grasping PDS suture, which results in that the suture can not be grasped by clamping rapidly and accurately when passing through the ruptured meniscus, thus affecting the efficiency of the procedure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an auxiliary device is sewed up in meniscus anterior angle damage overcomes the not enough of aforementioned prior art for the PDS stylolite that the meniscus was sewed up the hook and is come out can be cliied rapidly and snatch after passing ruptured meniscus, improves half meniscus sewing efficiency.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a meniscus anterior angle damage suturing auxiliary device, including handle, needle body, push rod, spring and elastic rod, the perforation has been seted up at the handle middle part, the end of handle is provided with the needle body with perforation intercommunication, the end of push rod penetrates in the needle body after passing the perforation, the top of push rod is located the handle outside, the cover is equipped with the spring on the pole section outer wall that the push rod is located the perforation, the top and the push rod fixed connection of spring, the end of spring and the perforation fixed connection of handle, the end of push rod is fixed with the elastic rod that is "V" type claw structure, the spring compression when promoting the push rod, the elastic rod is pushed out and opens from the needle body, the stylolite that this moment meniscus sewing up the hook goes into between the "V" type claw structure of elastic rod after passing ruptured meniscus, the spring kick-back when loosening the push rod, the elastic rod closes gradually and cliies the stylolite and draws in the needle body inside, push the push rod once more after moving out anterior meniscal injury suture auxiliary device, the elastic rod takes out the stylolite, this one end is the terminal of stylolite, the terminal of stylolite and the initial end of stylolite knot outside the joint capsule can, improve efficiency and the suture efficiency that the stylolite snatched.

Furthermore, the perforation comprises a first hole section and a second hole section from the beginning to the end in sequence, and the diameter of the first hole section is larger than that of the second hole section.

Furthermore, the part of the push rod in the through hole comprises a first rod section, a second rod section and a third rod section, the diameter of the first rod section is matched with that of the first hole section, the diameter of the second rod section is smaller than that of the first rod section, and the diameter of the third rod section is matched with that of the second hole section and the inner diameter of the needle body.

Furthermore, the starting end of the spring is fixedly connected with the end face of the tail end of the first rod section of the push rod, the tail end of the spring is fixedly connected with the end face of the tail end of the first hole section, the spring is in a naturally extending state, the starting end of the third rod section is positioned in the first hole section, and when the push rod is pushed until the tail end of the second rod section of the push rod abuts against the end face of the tail end of the first hole section, the elastic rod completely extends out of the needle body; when the push rod is released, the spring rebounds, and the elastic rod is gradually closed to clamp the suture and pull the suture into the needle body.

Furthermore, a first handle is arranged at the starting end of the push rod.

Furthermore, the outer wall of the handle is provided with a second handle, when the push rod is pushed, fingers are hooked on the second handle, and the palm presses the first handle downwards, so that the elastic rod can be pushed out of the needle body.

Further, the body of rod parallel of hook is sewed up with the meniscus to the needle body and is connected just through the connecting piece, and the stylolite that the meniscal sewed up wearing out on the hook penetrates between the "V" type claw structure of elastic rod when elastic rod stretches out from the needle body, is convenient for accurately snatch the stylolite.

Further, the connecting piece is two "C" type fasteners of bilateral symmetry, and elastic material is chooseed for use to "C" type fastener, and the one end setting of "C" type fastener is on the body of rod that the hook was sewed up to the meniscus, and the upper end of two "C" type fasteners forms the opening, impresses the needle body from the opening and can hug closely the needle body through two "C" type fasteners of symmetry between two "C" type fasteners, sews up the body of rod of hook with needle body and meniscus and fixes together.

The utility model has the advantages that: compared with the prior art, the utility model discloses a meniscus anterior angle damage sewing auxiliary device has following advantage: spring compression when promoting the push rod, the elastic rod is pushed out and is opened from the needle body, the stylolite that comes out on the hook is sewed up to the meniscus this moment passes and gets into between the "V" type claw structure of elastic rod behind the cracked meniscus, the spring rebounds when loosening the push rod, the elastic rod closes gradually and presss from both sides the stylolite and draws in the needle body inside with the stylolite, promote the push rod once more after moving out meniscus anterior angle damage suturing auxiliary device, the elastic rod takes the stylolite out, this one end is the end of stylolite, it can to knot outside the joint capsule with the end of stylolite with the top of stylolite, improve the efficiency that the stylolite snatched and sew up efficiency.

Drawings

FIG. 1 is a front view of the elastic rod of the present invention before being pushed out;

FIG. 2 is a schematic bottom view of the elastic rod of the present invention before being pushed out;

FIG. 3 is a schematic front view of the structure of the utility model after the elastic rod is released;

FIG. 4 is a schematic top view of the structure of the elastic rod of the present invention after being released;

fig. 5 is a schematic view of the internal structure of the present invention;

FIG. 6 is an enlarged view of the structure of area B in FIG. 5;

the needle comprises a handle 1, a needle body 2, a push rod 3, a first rod section 301, a second rod section 302, a third rod section 303, a spring 4, an elastic rod 5, a perforation 6, a first hole section 601, a second hole section 602, a suture hook of a meniscus 7, a first handle 8, a second handle 9 and a connecting piece 10.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

In the embodiment shown in fig. 1-6, a meniscus anterior horn injury suturing assisting device comprises a handle 1, a needle body 2, a push rod 3, a spring 4 and an elastic rod 5, wherein a perforation 6 is arranged in the middle of the handle 1, the needle body 2 communicated with the perforation 6 is arranged at the tail end of the handle 1, the tail end of the push rod 3 penetrates through the perforation 6 and then penetrates into the needle body 2, the starting end of the push rod 3 is positioned outside the handle 1, the spring 4 is sleeved on the outer wall of the rod section of the push rod 3 positioned in the perforation 6, the starting end of the spring 4 is fixedly connected with the push rod 3, the tail end of the spring 4 is fixedly connected with the perforation 6 of the handle 1, the elastic rod 5 in a V-shaped claw structure is fixed at the tail end of the push rod 3, the spring 4 is compressed when the push rod 3 is pushed, the elastic rod 5 extends out of the needle body 2 and stretches out, at the moment, a suture thread coming out of a meniscus suturing hook 7 passes through a ruptured meniscus and then enters between the V-shaped claw structures of the elastic rod 5, when the push rod 3 is loosened, the spring 4 rebounds, the elastic rod 5 gradually closes to clamp the suture line and draws the suture line into the needle body 2, the push rod 3 is pushed again after the meniscus anterior horn injury suture auxiliary device is moved out, the elastic rod 5 takes the suture line out, the end of the suture line is the tail end of the suture line, the tail end of the suture line and the initial end of the suture line are knotted outside the joint capsule, and therefore the suture line grabbing efficiency and the suture efficiency are improved.

In this embodiment, the perforation 6 sequentially includes a first hole segment 601 and a second hole segment 602 from the beginning to the end, and the diameter of the first hole segment 601 is larger than that of the second hole segment 602.

In this embodiment, the portion of the push rod 3 located in the through hole 6 comprises a first rod segment 301, a second rod segment 302 and a third rod segment 303, the diameter of the first rod segment 301 matches with the diameter of the first hole segment 601, the diameter of the second rod segment 302 is smaller than the diameter of the first rod segment 301, and the diameter of the third rod segment 303 matches with the diameter of the second hole segment 602 and the inner diameter of the needle body 2.

In this embodiment, the starting end of the spring 4 is fixedly connected with the end surface of the end of the first rod section 301 of the push rod 3, the end of the spring 4 is fixedly connected with the end surface of the end of the first hole section 601, the spring 4 is in a naturally extended state, the starting end of the third rod section 303 is located in the first hole section 601, and when the push rod 3 is pushed until the end of the second rod section 302 of the push rod 3 abuts against the end surface of the end of the first hole section 601, the elastic rod 5 is completely extended from the needle body 2; when the push rod 3 is released, the spring 4 rebounds, and the elastic rod 5 gradually closes to clamp the suture and draw the suture into the needle body 2.

In this embodiment, a first handle 8 is provided at the beginning of the push rod 3.

In this embodiment, the outer wall of the handle 1 is provided with a second handle 9, when the push rod 3 is pushed, the fingers are hooked on the second handle 9, and the palm presses the first handle 8, so that the elastic rod 5 can be pushed out of the needle body 2.

In this embodiment, the body of rod parallel of hook 7 is sewed up with the meniscus to needle body 2 and is connected through connecting piece 10, and the stylolite that wears out on the hook 7 is sewed up to the meniscus when elastic rod 5 stretches out from needle body 2 penetrates between the "V" type claw structure of elastic rod 5, is convenient for accurately snatch the stylolite.

In this embodiment, connecting piece 10 is two "C" type fasteners of bilateral symmetry, and elastic material is chooseed for use to "C" type fastener, and the one end setting of "C" type fastener is on the body of rod of hook 7 is sewed up to the meniscus, and the upper end of two "C" type fasteners forms the opening, impresses needle body 2 from the opening and can hug closely the needle body through two "C" type fasteners of symmetry between two "C" type fasteners, sews up the body of rod of hook 7 with needle body 2 and meniscus and fix together.

The working principle is as follows: the utility model discloses a meniscus anterior angle damage suturing auxiliary device, 4 compressions of spring when promoting push rod 3, elastic rod 5 stretches out and opens from needle body 2, the stylolite that comes out on the hook 7 is sewed up to the meniscus this moment passes and enters between the "V" type claw structure of elastic rod 5 behind the cracked meniscus, spring 4 kick-backs when loosening push rod 3, elastic rod 5 is closed gradually and cliies the stylolite and draw in the needle body 2 inside with the stylolite, promote push rod 3 once more after sewing auxiliary device with meniscus anterior angle damage shifts out, elastic rod 5 takes out the stylolite, this one end is the end of stylolite, it can to tie a knot outside the joint capsule with the end of stylolite with the top of stylolite, improve the efficiency that the stylolite snatched and sew up efficiency.

The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a meniscus anterior horn injury suture auxiliary device which characterized in that: including handle, needle body, push rod, spring and elastic rod, the perforation has been seted up at the handle middle part, the end of handle is provided with the needle body with the perforation intercommunication, the end of push rod passes and penetrates in the needle body after perforating, the outer wall cover of push rod is equipped with the spring, the top and the push rod fixed connection of spring, the end of spring and the perforation fixed connection of handle, the end of push rod is fixed with the elastic rod that is "V" type claw structure, spring compression when promoting the push rod, elastic rod releases and opens from the needle body, the spring kick-backs when loosening the push rod, elastic rod withdraws in the needle body and is closed.

2. The anterior meniscal lesion suturing assistance device of claim 1, wherein: the perforation comprises a first hole section and a second hole section from the beginning to the end in sequence, and the diameter of the first hole section is larger than that of the second hole section.

3. The anterior meniscal lesion suture assist device of claim 2, wherein: the part of the push rod in the through hole comprises a first rod section, a second rod section and a third rod section, the diameter of the first rod section is matched with that of the first hole section, the diameter of the second rod section is smaller than that of the first rod section, and the diameter of the third rod section is matched with that of the second hole section and the inner diameter of the needle body.

4. The anterior meniscal lesion suturing assistance device of claim 3, wherein: the starting end of the spring is fixedly connected with the end face of the tail end of the first rod section of the push rod, the tail end of the spring is fixedly connected with the end face of the tail end of the first hole section, and when the push rod is pushed to abut against the tail end of the second rod section of the push rod on the end face of the tail end of the first hole section, the elastic rod completely extends out of the needle body.

5. The anterior meniscal lesion suturing assistance device of claim 1, wherein: the starting end of the push rod is provided with a first handle.

6. The anterior meniscal lesion suturing assistance device of claim 1, wherein: and a second handle is arranged on the outer wall of the handle.

7. The anterior meniscal lesion suturing assistance device of claim 1, wherein: the body of rod parallel and through the connecting piece connection of hook is sewed up to the needle body and meniscus, and the stylolite that the meniscus was sewed up and is worn out on the hook penetrates between the "V" type claw structure of elastic rod when elastic rod stretches out from the needle body.

8. The anterior meniscal lesion suturing assistance device of claim 7, wherein: the connecting piece is two "C" type fasteners of bilateral symmetry, and elastic material is chooseed for use to "C" type fastener, and the one end setting of "C" type fastener is sewed up on the body of rod of hook at the meniscus, and the upper end of two "C" type fasteners forms the opening.