CN214231415U

CN214231415U - Threading apparatus for surgical suture

Info

Publication number: CN214231415U
Application number: CN202022827717.7U
Authority: CN
Inventors: 曹君利; 张红星; 张松; 董盟盟
Original assignee: Xuzhou Bairui Anesthesia Technology Research Institute Co ltd; Xuzhou Medical University
Current assignee: Xuzhou Bairui Anesthesia Technology Research Institute Co ltd; Xuzhou Medical University
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-09-21
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a threading apparatus for operation suture, extension including handle portion and handle portion front end, the front end of extension is equipped with hanging wire portion, wear to be equipped with the threading needle in the extension, be equipped with the groove of colluding on the threading needle, be equipped with push-off needle mechanism on the handle portion for realize the release and the pull back of threading needle, the threading needle colludes the suture in the groove of colluding with the suture in the hanging wire portion when releasing, and then colludes the suture back when pulling back. The utility model discloses an overall structure is exquisite smooth, convenient to use, and the cost is lower, and vertical slender extending structure lets the incision littleer, sews up and changes in the operation. During threading, the thread hanging part is only needed to be arranged on the inner side of the soft tissue, the soft tissue can be punctured through pushing and pulling back, the thread is hooked back, the threading is convenient and fast, the thread hanging device is very suitable for operation threading operation with small space, and the operation threading difficulty is greatly reduced.

Description

Threading apparatus for surgical suture

Technical Field

The invention relates to a threading device for surgical suture, and belongs to the technical field of surgical instruments.

Background

At present, when a patient is sutured in a surgical operation, a suture line needs to be penetrated into a suture needle, then the suture needle is clamped by a needle holding forceps to be sutured, threading is needed every time suturing, the manual threading efficiency is low, and the operation difficulty is high. And because the suture needle is limited by the operation exposure space, the threading process of the suture needle is difficult to be smoothly completed, and especially the threading is performed at some facet joint positions, so the operation difficulty is greatly improved. Therefore, various threading devices are available at present to assist in the threading process, but the existing threading device cannot be applied to the operation position with small space for threading.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome exist not enough among the prior art, the utility model provides a threading apparatus is used in operation sewing up effectively is applicable to the very little place in little joint or other spaces, carries out the threading under the small incision even, realizes that the threading of tendon, ligament or other soft tissues is sewed up fixedly, has characteristics such as simple structure, convenient operation, safe in utilization.

The technical scheme is as follows: in order to achieve the above object, the utility model provides a threading apparatus for surgical suture, the extension including handle portion and handle portion front end, wear to be equipped with the threading needle in the extension, be equipped with the crochet hook groove on the threading needle, be equipped with push-pin mechanism on the handle portion for realize the release and the pull back of threading needle, the threading needle pierces through the soft tissue and colludes the suture in the crochet hook groove when releasing, and then colludes the suture back when pulling back.

Furthermore, the pointed end of threading needle is flat four stupefied type, the crochet galloon groove is close to the sharp-end setting of threading needle, and flat four stupefied type's needle point structure is more sharp durable, easily pierces through the soft tissue, and does not destroy the suture when scratching the suture. In addition, the pointed end design of the oblique cutting surface is more convenient for the suture to slide into the wire hooking groove, and the lower part of the oblique cutting surface is of an inverted tooth-shaped wire hooking groove structure, so that the possible falling off after the wire hooking is effectively avoided.

Furthermore, push away needle mechanism including set up in the splenium of pressing of handle portion rear end, the front end of pressing the splenium is equipped with the transfer line, the transfer line is worn to locate in handle portion to link to each other with the threading needle, drive the transfer line through pressing the splenium and realize the release and the pull back of threading needle.

Furthermore, a return spring is sleeved on the transmission rod in the handle part and used for realizing the pressing and resetting of the pressing part. After the pressing is finished, the threading needle can quickly retract under the action of the return spring, and the band wire passes through soft tissues.

Further, handle portion includes the bionical ring on casing and the casing, further improves the use sense, realizes long-time operation not tired, and smooth ring design and layout mode accord with bionical structure, hold the sense more comfortable.

Furthermore, a hanging wire part is arranged at the front end of the extending part, and the hanging wire part is in a hook shape. When threading, the hook-shaped thread hanging part is only hooked at the inner side of soft tissues (such as tendons and ligaments), and then the thread on the thread hanging part can be hooked by pushing and pulling back the threading needle to puncture the soft tissues.

Further, the extension main part is hollow tubular structure for hold the threading needle, and its front end is the arc and upwarps, and the head structure of upwarping can provide bigger operation sight space, conveniently carries out the operation.

Furthermore, the inner side of the hanging wire part is provided with an anti-slip tooth-shaped structure, so that soft tissues are clamped more stably.

Furthermore, a U-shaped wire bunching groove is formed in the inner side of the wire hanging part, and a needle threading hole through which a threading needle penetrates is formed in the U-shaped wire bunching groove. The design of U type bunch groove can let the line location more stable, makes things convenient for the threading needle to pierce through the soft tissue after, and the line of colluding back of the accuracy rapidly.

Furthermore, the outer side of the wire hanging part is provided with a wide groove, so that the wire hanging part is close to a U-shaped groove, the temporary surrounding and fixing of the surgical center wire are facilitated, and a space can be provided for preventing the temporary winding knot from blocking the inner side of soft tissue scratched by the head of the wire hanging part.

Has the advantages that: the utility model provides a pair of threading apparatus for operation is sewed up has following advantage for prior art:

1. the whole structure is exquisite and smooth, the use is convenient, the cost is lower, the incision is smaller due to the vertical slender extending structure, and the sewing operation is easier;

2. when threading, the thread hanging part is only hooked at the inner side of soft tissues (such as tendons and ligaments), the soft tissues can be punctured through pushing and pulling back the needle, the thread on the thread hanging part is hooked back, threading is convenient and quick, the threading device is very suitable for operation threading operation with small space, and the operation threading difficulty is greatly reduced;

3. under the relaxed state (namely, no external force is applied to the pressing part), the suture needle is remained in the hollow tube, which is a protection mode, effectively avoids puncturing the tissues of the human body and improves the safety in the threading process.

Drawings

The invention will be further described and illustrated with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the preferred embodiment of the present invention in the push pin state;

FIG. 2 is a schematic structural view of the front end of the extension part in the needle return state according to the preferred embodiment of the present invention;

fig. 3 is a schematic view of the installation structure of the transmission rod in the housing according to the preferred embodiment of the present invention;

the reference numerals in the figures include: 1. the bionic finger ring comprises a shell, 2, a bionic finger ring, 3, a near-end finger ring, 4, a transmission rod, 5, a threading needle, 6, an extension part, 7, a hanging part, 8, a thread hooking groove, 9, an anti-skidding tooth-shaped structure, 10, a U-shaped thread binding groove, 11, a wide groove, 12, a reset spring, 13, a first limiting ring, 14 and a second limiting ring.

Detailed Description

The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so as to more clearly and completely illustrate the technical solutions of the present invention.

Examples

Fig. 1 shows a preferred embodiment of the threading apparatus for surgical suture of the present invention, which mainly comprises a handle portion, an extension portion 6, and a thread hanging portion 7 connected in sequence. The handle part comprises a shell 1 and bionic finger rings 2 on two sides of the shell 1, the finger ring design and the layout mode of fairing accord with the bionic structure, and the holding feeling is more comfortable.

The 6 main parts of extension are hollow tubular structure for hold threading needle 5, and its front end is the arc upwarp, and the head structure of upwarp can provide bigger operation sight space, conveniently carries out the operation.

In the embodiment, in order to adapt to the extending tube structure with the upward warped head, the threading needle can be made of superelastic memory alloy stainless steel, so that even if the threading needle retreats in the hollow tube has a certain upward warping degree, the threading needle can still recover the linear state when pushed out, namely, the threading needle has good shape memory effect and deformation recovery capability, and can linearly puncture soft tissues to reach the position of the U-shaped wire harness groove at the back side of the soft tissues.

As shown in fig. 2, the tip of the threading needle 5 is flat and four-edged, and a thread hooking groove 8 with an inverted tooth shape is arranged at the position of the lower part of the threading needle 5 close to the tip of the threading needle 5.

On one hand, the flat quadrangular needle tip structure is sharper and durable, is easy to penetrate soft tissues and does not damage the suture line when the needle tip structure passes through the suture line; on the other hand, the pointed end design of the oblique cutting surface is more convenient for the suture to slide into the wire hooking groove, and the lower part of the oblique cutting surface is of an inverted tooth-shaped wire hooking groove structure, so that the possible falling off after the wire is hung is effectively avoided.

Further, a needle pushing mechanism is arranged on the shell 1 and used for pushing out and pulling back the threading needle 5, the threading needle 5 penetrates through soft tissues and hooks the suture into the thread hooking groove 8 during pushing out, and then the suture is hooked back during pulling back.

In this embodiment, the push pin mechanism includes a proximal finger ring 3 disposed at the rear end of the housing 1 (i.e., a pressing portion, in other embodiments, other push pin manners, such as a pressing structure of a pressing handle, a pushing block, etc., may also be adopted). The front end of the near-end ring 3 is provided with a transmission rod 4, the transmission rod 4 penetrates through the shell and is connected with the threading needle 5, and the transmission rod 4 is driven by the near-end ring 3 to realize the pushing-out and pulling-back of the threading needle 5.

As shown in fig. 3, the driving rod 4 is provided with a first limit ring 13 in the housing 1, the inner wall of the housing 1 is provided with a second limit ring 14, and the driving rod 4 between the first limit ring 13 and the second limit ring 14 is sleeved with a return spring 12 for realizing the pressing and resetting of the proximal end finger ring 3.

The structural design of the reset spring enables the threading needle to rapidly retreat under the action of the reset spring after the pressing is finished, and the belt line penetrates through the tendon. In addition, under the relaxed state, the threading needle can roll back in hollow tube, is a protection mode, effectively avoids stabbing human tissue, has improved the security in the threading process.

As shown in fig. 2, the hanging portion 7 is in the shape of a flat hook extending downward and is connected to the upwarp front end of the extending portion 6, so as to facilitate the cutting of the lower edge of the soft tissue suture threading end at the incision.

In this embodiment, the inner side of the hanging line part 7 is provided with an anti-slip toothed structure 9, so that soft tissue clamping is more stable.

Furthermore, a U-shaped wire binding groove 10 is arranged on the inner side of the hanging part 7, and a needle penetrating hole through which the threading needle 5 penetrates is arranged in the U-shaped wire binding groove 10. The design of U type bunch groove 10 can let the hanging wire location more stable, makes things convenient for the threading needle to pierce through the soft tissue after, accurately catches on the suture rapidly.

In addition, the outer side of the hanging wire part 7 is provided with a wide groove 11, which is close to the U-shaped groove 10, so that the temporary surrounding and fixing of the surgical midline are facilitated, and a space is provided for preventing the temporary winding wire from blocking the hanging wire part 7 from scratching the back side of soft tissues.

The specific implementation manner of the utility model is as follows:

during threading, firstly, a suture is wound in the U-shaped thread binding groove, then the hanging part 7 is hooked at the inner side of soft tissues (such as tendons and ligaments) to be sewn, the near-end ring 3 is pressed down to drive the thread threading needle 5 to puncture the soft tissues after the soft tissues are clamped, the suture in the U-shaped thread binding groove is hooked into the thread binding groove, finally, the near-end ring is loosened (or actively pulled back), the thread threading needle is driven to retreat, the suture is pulled from the opposite side of the soft tissues, and the threading process is realized.

In a free state, the near-end ring is supported out under the action of the spring, and the threading needle is retracted in the tube to prevent the sharp needle head from stabbing human tissues. Therefore, besides the auxiliary threading operation, the threading device can assist various operations (such as clamping soft tissues, temporary winding and the like) in the operation, and the operation is very convenient.

The utility model discloses an overall structure is exquisite smooth, convenient to use, and the cost is lower, and vertical slender extending structure lets the incision littleer, sews up and changes in the operation. Only need during the threading with string line portion collude in the soft tissue inboard, can puncture the soft tissue and collude the suture back through push pin and pullback, threading convenient and fast is applicable to very little operation threading operation in space, greatly reduced the operation threading degree of difficulty.

The above detailed description merely describes the preferred embodiments of the present invention and does not limit the scope of the present invention. Without departing from the design concept and spirit scope of the present invention, the ordinary skilled in the art should belong to the protection scope of the present invention according to the present invention provides the text description and drawings to the various modifications, replacements and improvements made by the technical solution of the present invention. The scope of protection of the present invention is determined by the claims.

Claims

1. The utility model provides a threading apparatus for operation suture, its characterized in that, extension (6) including handle portion and handle portion front end, wear to be equipped with threading needle (5) in extension (6), be equipped with on threading needle (5) and collude wire casing (8), be equipped with on the handle portion and push away needle mechanism for realize the release and the pull back of threading needle (5), threading needle (5) pierce through the soft tissue and collude the suture in colluding wire casing (8) when releasing, and then collude the suture when pulling back.

2. The threading apparatus for surgical suture according to claim 1, wherein the tip of the threading needle (5) is flat and quadrangular, and the thread hooking groove (8) is disposed near the tip of the threading needle (5).

3. The threading apparatus for surgical suture according to claim 1, wherein the needle pushing mechanism comprises a pressing portion disposed at the rear end of the handle portion, a transmission rod (4) is disposed at the front end of the pressing portion, and the transmission rod (4) is inserted into the handle portion and connected to the threading needle (5).

4. The threading apparatus for surgical suture according to claim 3, wherein the transmission rod (4) is sleeved with a return spring (12) for pressing and returning the pressing portion.

5. The threader for surgical suturing according to claim 1, wherein the handle portion comprises a housing (1) and a bionic finger ring (2) on the housing (1).

6. The threading apparatus for surgical suture according to claim 1, wherein a thread hanging portion (7) is provided at a front end of the extension portion (6), and the thread hanging portion (7) is hook-shaped.

7. The threading apparatus for surgical suture according to claim 6, wherein the main body of the extension portion (6) is a hollow tubular structure, and the front end thereof is an arc-shaped upwarping structure.

8. The threader for surgical suturing according to claim 6, characterized in that the inner side of the string portion (7) is provided with an anti-slip toothed structure (9).

9. The threading device for surgical suture according to claim 6, wherein a U-shaped thread-binding groove (10) is provided inside the hanging portion (7), and a needle-threading hole for a thread-threading needle (5) to pass through is provided inside the U-shaped thread-binding groove (10).

10. The threading device for surgical suture according to claim 6, wherein the outer side of the thread hanging portion (7) is provided with a wide groove (11).