CN219166505U - Novel meniscus stitching tool - Google Patents

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to a novel meniscus suture tool. The utility model comprises a first puncture needle body and a second puncture needle body, wherein guide wire bodies are arranged in the first puncture needle body and the second puncture needle body. In the treatment process, the first puncture needle body and the second puncture needle body are penetrated into a knee joint cavity, after the meniscus is penetrated, guide hook assemblies on two guide wire bodies are connected and used for guiding a suture for suturing the meniscus, the periosteum stripping piece pushes the second puncture needle body to the deep surface to the bone surface, the opening is enlarged, the periosteum stripping piece is stripped from the traversing gap part to the first puncture needle body along the direction of the bone surface to establish a complete channel, after the first puncture needle body is pulled out, one end of the meniscus risk is hooked from the channel established by the periosteum stripping piece to the adjustable opening part penetrating through the second puncture needle body, and after a knot pusher is used, the second puncture needle body is pulled out, and the suturing is finished.

Description

Novel meniscus stitching tool

Technical Field

The utility model belongs to the technical field of medical instruments, and relates to a novel meniscus suture tool.

Background

Meniscus injury is one of the common injuries in sports injury, is mostly applied to people with excessive sports and strong physical labor, is caused by meniscus tearing due to torsional external force, and is manifested by severe pain of knee joint, swelling of joint and limited sports, and meniscus suture is the most ideal operation mode for treating meniscus injury at present. When the traditional syringe needle assists the guide wire to suture the meniscus, the syringe needle needs to penetrate the traction wire from the syringe needle into the joint cavity after penetrating into the joint cavity, then the traction wire is guided under a mirror to enter into the other syringe needle, then the suture is led in through the traction wire (if an operator is unskilled, a great amount of time is consumed in the process), after the suture is led in, the skin is required to be cut, subcutaneous tissues are separated from the bone surface, and knotting is carried out, so that the situation that the suture is used for unexpectedly suturing soft tissues such as subcutaneous nerves and blood vessels, and the tissues such as the subcutaneous nerves and blood vessels are easily damaged is avoided. There is therefore a great need to devise a new type of meniscal suturing tool that overcomes the above deficiencies of the conventional approaches.

In order to overcome the defects in the prior art, various solutions have been proposed through continuous exploration, such as chinese patent discloses a meniscus suture device [ application number: 202110888346.X ] comprising a housing, a trigger provided on the housing, a push handle provided on the housing, a push rod provided on the housing, a guide bar fixed to the housing, a jaw upper jaw provided at an end of the guide bar and rotatable relative to the guide bar, a guide rail provided below the guide bar, a cover plate fixed to the guide rail, and a needle provided between the cover plate and the guide rail. The push rod is linked with the guide rail to push the guide rail to move, the trigger is linked with the jaw upper jaw to move the jaw, and the push handle is linked with the needle to move the needle. When the guide rail moves forward, the trigger is pushed to close the jaw of the clamp, so that the jaw of the clamp is matched with the guide rail to clamp the meniscus, and then the pushing handle is pushed to enable the needle to pass through the meniscus and send a suture at one end of the needle to the other side of the meniscus.

Disclosure of Invention

The object of the present utility model is to address the above problems by providing a novel meniscal suturing tool.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a novel meniscus stitching instrument, includes first pjncture needle main part and second pjncture needle main part, first pjncture needle main part and second pjncture needle main part in be equipped with the seal wire main part, the seal wire main part on be equipped with guide hook component, the second pjncture needle main part on be equipped with its matched with periosteum stripping member, first pjncture needle main part on be equipped with its matched with hook and draw the piece, second pjncture needle main part afterbody be equipped with adjustable opening.

In the novel meniscus suture tool, the guide hook component comprises a guide wire belt hook arranged on the guide wire main body, and the width of the guide wire belt hook is smaller than the inner hole diameters of the first puncture needle main body and the second puncture needle main body.

In the novel meniscus suture tool, the tail part of the first puncture needle body is provided with the guide wire inlet part, and the guide wire inlet part is communicated with the first puncture needle body.

In the novel meniscus suture tool, the guide wire inlet part comprises a first puncture needle opening arranged at the tail part of the first puncture needle main body, the first puncture needle opening is in a horn shape, and the first puncture needle opening is communicated with the first puncture needle main body.

In the novel meniscus suture tool, the periosteum stripping member comprises a periosteum stripper body arranged on the second puncture needle body, and a transverse stripping plate is arranged on the periosteum stripper body.

In the novel meniscus suture tool, an included angle between the axial lead of the transverse stripping plate and the axial lead of the periosteum stripper body is an obtuse angle.

In the novel meniscus suture tool, the hooking piece comprises a hooking main body, and a metal hook is arranged on the hooking main body.

In the novel meniscus suture tool, a connecting piece is arranged between the metal hook and the hooking main body, one end of the connecting piece is fixedly connected with the metal hook, and the other end of the connecting piece is fixedly connected with the hooking main body.

In the novel meniscus suture tool, the connecting piece comprises a connecting strip arranged between the metal hook and the hooking main body, and an included angle between the axial lead of the connecting strip and the axial lead of the hooking main body is an obtuse angle.

In the novel meniscus suture tool, the adjustable opening part comprises an adjustable horn mouth arranged at the tail part of the second puncture needle main body, and the adjustable horn mouth is made of a memory alloy material.

Compared with the prior art, the utility model has the advantages that:

1. in the treatment process, the guide wire main body is penetrated into the first puncture needle main body and the second puncture needle main body, the first puncture needle main body and the second puncture needle main body are penetrated into the knee joint cavity, after the first puncture needle main body and the second puncture needle main body are penetrated through the meniscus, the mirror is downwards adjusted to the directions of the first puncture needle main body and the second puncture needle main body, the guide hook assemblies on the two guide wire main bodies are connected and then are used for guiding the suture for suturing the meniscus, the periosteum stripping member pushes the second puncture needle main body to the bone surface towards the deep surface, the opening is enlarged, the periosteum stripping member is stripped from the transverse gap part to the direction of the bone surface towards the first puncture needle main body to establish a complete channel, after the first puncture needle main body is pulled out, one end of the meniscus risk is hooked from the channel established by the periosteum stripping member to the adjustable opening part penetrating the second puncture needle main body, after the knot pushing device is used for knotting, the second puncture needle main body is pulled out, the suture is quickly led into the joint cavity after the suture is finished, the time is saved, and the minimally invasive surgery can be completed under the conditions of not injuring tissues such as nerves and blood vessels under the skin.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of the periosteum elevator.

Fig. 3 is a schematic structural view of the hooking member.

In the figure: the surgical instrument comprises a first puncture needle body 1, a second puncture needle body 2, a guide wire body 3, a guide hook component 4, a periosteum stripping piece 5, a hooking piece 6, an adjustable opening part 7, a guide wire belt hook 8, a guide wire inlet part 9, a first puncture needle opening 10, a periosteum stripper body 11, a transverse stripping plate 12, a hooking body 13, a metal hook 14, a connecting piece 15, a connecting slat 16 and an adjustable horn mouth 17.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1-3, a novel meniscus suture tool comprises a first puncture needle body 1 and a second puncture needle body 2, wherein a guide wire body 3 is arranged in the first puncture needle body 1 and the second puncture needle body 2, a guide hook component 4 is arranged on the guide wire body 3, a periosteum stripping piece 5 matched with the second puncture needle body 2 is arranged on the second puncture needle body 2, a hooking piece 6 matched with the first puncture needle body 1 is arranged on the first puncture needle body 1, and an adjustable opening part 7 is arranged at the tail part of the second puncture needle body 2.

In this embodiment, in the treatment process, the guide wire body 3 is inserted into the first puncture needle body 1 and the second puncture needle body 2, the first puncture needle body 1 and the second puncture needle body 2 are inserted into the knee joint cavity, after the meniscus is penetrated, the mirror is adjusted down to the direction of the first puncture needle body 1 and the second puncture needle body 2, the guide hook assemblies 4 on the two guide wire bodies 3 are connected and then used for guiding the suture for suturing the meniscus, the periosteum stripping member 5 pushes the second puncture needle body 2 to the deep surface to the bone surface, the opening is enlarged, the periosteum stripping member 5 is stripped from the transverse gap part to the direction of the bone surface to the first puncture needle body 1 to establish a complete channel, after the first puncture needle body 1 is pulled out, the hooking member 6 is pulled out from the adjustable opening 7 of the second puncture needle body 2, after the knot pusher is knotted, the second puncture needle body 2 is pulled out, the suture is finished, the guide wire is quickly guided into the joint cavity, the time is saved, the nerve injury tissue can be reduced, and the minimally invasive surgery can be completed simultaneously.

Referring to fig. 1-3, the guide hook assembly 4 includes a guide wire hook 8 disposed on the guide wire body 3, and the width of the guide wire hook 8 is smaller than the inner hole diameters of the first puncture needle body 1 and the second puncture needle body 2.

Specifically, in the treatment process, the guide wire main body 3 is arranged in the first puncture needle main body 1 and the second puncture needle main body 2 in a penetrating way, the first puncture needle main body 1 and the second puncture needle main body 2 are penetrated into the knee joint cavity, after the meniscus is penetrated, the mirror is adjusted downwards to the directions of the first puncture needle main body 1 and the second puncture needle main body 2, the guide wire belt hooks 8 on the two guide wire main bodies 3 are connected and then used for guiding a suture for suturing the meniscus, and the suture can be quickly led into the joint cavity, so that the time is saved.

Referring to fig. 1, a guide wire inlet 9 is provided at the tail of the first puncture needle body 1, and the guide wire inlet 9 is connected with the first puncture needle body 1.

In this embodiment, the guidewire inlet portion 9 facilitates introduction of the guidewire body 3 into the guidewire inlet portion 9.

The guide wire inlet part 9 comprises a first puncture needle opening 10 arranged at the tail part of the first puncture needle body 1, the first puncture needle opening 10 is horn-shaped, and the first puncture needle opening 10 is communicated with the first puncture needle body 1.

In this embodiment, the first puncture needle opening 10 is convenient for guiding the guide wire main body 3 into the guide wire inlet portion 9, and the first puncture needle opening 10 is horn-shaped, so that the guiding difficulty is reduced.

Referring to fig. 2, the periosteum removing member 5 includes a periosteum remover body 11 provided on the second puncture needle body 2, and a transverse removing plate 12 is provided on the periosteum remover body 11.

In this embodiment, during operation, the periosteum elevator body 11 pushes the second puncture needle body 2 to the bone surface from the deep surface, enlarges the opening, and peels the transverse peeling plate 12 of the periosteum elevator body 11 from the transverse gap portion to the first puncture needle body 1 against the bone surface to establish a complete channel, thereby playing an auxiliary role.

The included angle between the axial lead of the transverse stripping plate 12 and the axial lead of the periosteum stripper main body 11 is an obtuse angle.

In this embodiment, the included angle between the axis of the transverse stripping plate 12 and the axis of the periosteum stripper body 11 is an obtuse angle, so that the medical staff can conveniently adjust the angle and operate.

Referring to fig. 3, the hooking member 6 includes a hooking body 13, and a metal hook 14 is disposed on the hooking body 13.

In this embodiment, after the first lancet body 1 is withdrawn, the metal hook 14 of the hooking body 13 is hooked from the channel established by the transverse stripper plate 12 to hook one end of the meniscus risk to the adjustable opening 7 penetrating the second lancet body 2, and after the knot is pushed by the knot pusher, the second lancet body 2 is withdrawn, and the suturing is completed.

As shown in fig. 3, a connecting piece 15 is arranged between the metal hook 14 and the hooking main body 13, one end of the connecting piece 15 is fixedly connected with the metal hook 14, and the other end is fixedly connected with the hooking main body 13.

In this embodiment, the connecting piece 15 is used to connect the metal hook 14 with the hooking body 13, and meanwhile, the structural length of the metal hook 14 is properly prolonged, which is more convenient for operation.

Referring to fig. 1 and 3, the connecting piece 15 includes a connecting strip 16 disposed between the metal hook 14 and the hooking body 13, and an included angle between an axis of the connecting strip 16 and an axis of the hooking body 13 is an obtuse angle.

In this embodiment, the connecting strip 16 is used to connect the metal hook 14 with the hooking body 13, and the structural length of the metal hook 14 is prolonged appropriately, so that the operation is more convenient.

Referring to fig. 1, the adjustable opening 7 includes an adjustable horn 17 disposed at the tail of the second puncture needle body 2, and the adjustable horn 17 is made of a memory alloy material.

In this embodiment, after the first puncture needle body 1 is pulled out, the metal hook 14 of the hooking body 13 is hooked from the channel established by the transverse stripping plate 12 to hook one end of the meniscus risk to the adjustable horn mouth 17 penetrating the second puncture needle body 2, after the knot is pushed out by the knot pusher, the second puncture needle body 2 is pulled out, the stitching is finished, the adjustable horn mouth 17 is made of a memory alloy material, the adjustable expansion function is achieved, the second puncture needle body 2 is pushed to the deep surface to the bone surface by the periosteum stripper body 11, and the opening is enlarged by the adjustable horn mouth 17, so that the adjustability is strong.

The working principle of the utility model is as follows:

in the treatment process, the guide wire main body 3 is penetrated into the first puncture needle main body 1 and the second puncture needle main body 2, the first puncture needle main body 1 and the second puncture needle main body 2 are penetrated into the knee joint cavity, after the meniscus is penetrated, the mirror is adjusted downwards to the directions of the first puncture needle main body 1 and the second puncture needle main body 2, the guide wire strip hooks 8 on the two guide wire main bodies 3 are connected and then are used for guiding the suture for suturing the meniscus, the periosteum stripping piece 5 pushes the second puncture needle main body 2 to the deep surface to the bone surface, the opening is enlarged, the transverse stripping plate 12 of the periosteum stripper main body 11 is stripped from the transverse gap part to the direction of the first puncture needle main body 1 to establish a complete channel, after the first puncture needle main body 1 is pulled out, one end of the metal hook 14, which is at risk of the meniscus, is hooked at the adjustable horn mouth 17 which is penetrated through the second puncture needle main body 2, after the knot is pushed out by the knot pushing device, the suture is finished, the suture is guided into the joint cavity rapidly, the time is saved, the nerve injury tissue can be accomplished under the conditions of minimally invasive surgery, and the like.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model.

Although terms such as the first lancet body 1, the second lancet body 2, the guidewire body 3, the guide hook assembly 4, the periosteum elevator 5, the hooking member 6, the adjustable opening 7, the guidewire band hook 8, the guidewire inlet 9, the first lancet opening 10, the periosteum elevator body 11, the lateral stripping plate 12, the hooking body 13, the metal hook 14, the connector 15, the connecting strip 16, the adjustable flare 17 are more used herein, the possibility of using other terms is not excluded. These terms are only used to more conveniently describe and explain the nature of the utility model and should be construed in a manner consistent with their spirit and scope.

Claims (10)

1. The utility model provides a novel meniscus stitching instrument, includes first pjncture needle main part (1) and second pjncture needle main part (2), its characterized in that, first pjncture needle main part (1) and second pjncture needle main part (2) in be equipped with seal wire main part (3), seal wire main part (3) on be equipped with guide hook component (4), second pjncture needle main part (2) on be equipped with its matched with periosteum stripping member (5), first pjncture needle main part (1) on be equipped with its matched with hook and draw piece (6), second pjncture needle main part (2) afterbody be equipped with adjustable opening (7).

2. The novel meniscus suture tool according to claim 1, wherein the guide hook component (4) comprises a guide wire band hook (8) arranged on the guide wire main body (3), and the width of the guide wire band hook (8) is smaller than the bore diameters of the first puncture needle main body (1) and the second puncture needle main body (2).

3. The novel meniscus suture tool according to claim 2, wherein the tail of the first puncture needle body (1) is provided with a guide wire inlet part (9), and the guide wire inlet part (9) is communicated with the first puncture needle body (1).

4. A novel meniscus suture tool according to claim 3, wherein the guide wire inlet portion (9) comprises a first puncture needle opening (10) arranged at the tail of the first puncture needle body (1), the first puncture needle opening (10) is horn-shaped, and the first puncture needle opening (10) is communicated with the first puncture needle body (1).

5. The novel meniscus suture tool according to claim 4, wherein the periosteum stripping member (5) comprises a periosteum stripper body (11) arranged on the second puncture needle body (2), and a transverse stripping plate (12) is arranged on the periosteum stripper body (11).

6. The novel meniscal suturing tool of claim 5 wherein the angle between the axis of the transverse stripper plate (12) and the axis of the periosteum stripper body (11) is obtuse.

7. The novel meniscus suture tool according to claim 6, wherein the hooking member (6) comprises a hooking body (13), and the hooking body (13) is provided with a metal hook (14).

8. The novel meniscus suture tool according to claim 7, wherein a connecting piece (15) is arranged between the metal hook (14) and the hooking main body (13), one end of the connecting piece (15) is fixedly connected with the metal hook (14), and the other end is fixedly connected with the hooking main body (13).

9. The novel meniscus suture tool according to claim 8, wherein the connecting piece (15) comprises a connecting strip (16) arranged between the metal hook (14) and the hooking body (13), and an included angle between the axis of the connecting strip (16) and the axis of the hooking body (13) is an obtuse angle.

10. The novel meniscus suture tool according to claim 9, wherein the adjustable opening (7) comprises an adjustable horn mouth (17) arranged at the tail of the second puncture needle body (2), and the adjustable horn mouth (17) is made of a memory alloy material.

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