TWI814565B - Capsule suture module - Google Patents

Abstract

The present invention provides a capsule suture module comprising a control member and a needle member. A suture is used to form a movable knot at the front end of the needle member. An operator operates the control member to tight the movable knot which is at the front end of the needle member to form a fixed knot for suturing and fixing a tissue wound.

Description

Capsule needlework module

A needle and thread for suturing, in particular a capsule needle and thread module

As modern medical technology becomes more and more developed, surgeries are also required to be developed in the direction of small wounds or minimally invasive procedures. This can not only achieve fast and good wound recovery, but also help to fade and improve scars after healing. . In the prior art, when a surgeon wants to suture a wound, he usually holds a needle with a surgical suture in his hand, tightens the sutures on the tissues on both sides of the wound, and forms a fixed knot to fix the end of the surgical suture.

However, in the above-mentioned prior art, the operator needs to wrap and tie the surgical suture with his or her hands to form the fixed knot. The tying process is complicated, and small wounds often hinder the movement of the hand to wrap the surgical suture. As a result, the quality of the fixed knot is poor. If the above knotting method is used to form multiple fixed knots on the wound one by one, not only the overall time is lengthy and inefficient, but also when the fixed knots are not properly tied, the wound may be easily dehisced, affecting the recovery efficiency of the patient.

In order to overcome the existing knotting technology used in surgical suturing of a wound, it requires repeated operations on the wound one by one to form a plurality of fixed knots, which makes the overall operation time long and inefficient, and it is also easy to cause the wound to dehisce if it is not properly tied. Issues that affect the recovery efficiency of patients. The invention provides a capsule needle thread module, which includes a control component and a needle set, wherein the control component includes It includes: a control member disposed at a rear end; a knotting member disposed at a front end relative to the control member, the knotting member is provided with a through hole, and a hollow tubular set shaft protrudes from the through hole toward the front end; and A suture line, one end of which is connected to any part of the control member, and the other end of which passes through the through hole and the sleeve shaft, extends toward the front end and is exposed outside the capsule needle thread module.

Wherein, at least part of the suture line is wrapped around the outer circumference of the sleeve shaft to form a pre-knot, and a movable loop is formed between the sleeve shaft and the pre-knot; and the movable loop is controlled according to the control The size of the piece changes relative to the displacement distance of the knotted piece.

Wherein, the knotting part includes a connecting position, and the connecting position is used to detachably combine with the control part.

Wherein, the connection is provided with a groove at the rear end of the knotting piece, the inner wall of the groove is annularly recessed with an engaging position, and the control member extends toward the groove with two mutually spaced and correspondingly arranged Two connecting ribs have an engaging convex portion protruding radially corresponding to the engaging position, and the engaging convex portion corresponds to the concave and convex portion of the engaging position.

Wherein, the knotting piece is provided with a limiting hole at the front end, a limiting rope protrudes toward the front end in the limiting hole, and at least a part of the limiting rope protrudes from the limiting hole to form a limiting ring. At least a part of the limiting ring is interlocked with the pre-knot or the movable ferrule.

Wherein, the through hole and the limit hole are parallel to each other and penetrate the knotting member and are connected with the groove; the limit rope is recessed in the limit hole, and its two ends protrude into the groove. Inside, the recessed part of the limiting rope forms the limiting ring that protrudes toward the front end of the limiting hole and interlocks with the pre-knot; and when the operating member is combined with the connection bit, at least one of the operating member A portion of the two ends of the limiting rope is pressed between the connecting positions.

Wherein, the knotting piece includes a resisting structure, including an extension section extending toward the front end on any surface of the knotting piece, and the front end of the extension section extends a resisting section corresponding to the radial direction of the through hole, wherein the sleeve shaft The outer periphery of the protruding end of the through hole and the end surface of the resisting section abut against each other.

It includes a shell covering at least part of the front end of the control part and at least part of the rear end of the knotting part. The front end of the control part is formed with a pull rod, and one end of the suture is tied to the pull rod. On the wire rod, the rear end of the control part protrudes from the housing to form a control part. The control part is connected to the cable rod through a connecting rod; and the connection is located at the rear end of the knotting part and extends to adjacent to the control part. Position, at least a part of the connection position and at least a part of the front end of the control part are overlapped with each other in the housing, and the front end of the control part slides in the housing relative to the connection position, and the connection position corresponds to the control part A radially recessed engaging groove is provided on one side of the body.

Wherein, the control part has a connecting rib extending corresponding to the connecting position, and the connecting rib and the connecting rod are arranged correspondingly and spaced apart from each other, and the front end of the connecting rib is deep into the housing and protrudes toward the engaging groove with an engaging convex part.

Further, a suture needle is connected to the end of the suture exposed at the capsule needle thread module.

Further, the control member includes a radially arranged pull rod, and one end of the suture is tied to the pull rod.

Further, two connecting ribs are formed extending from both ends of the cable rod toward the front end, and the suture line sequentially passes through the through hole, the groove, and between the two connecting ribs to the cable rod for binding and fixing. .

Further, at least a part of the sleeve shaft protruding from the through hole is a wire binding segment, and the length of the wire binding segment is changed according to the relative position of the displacement of the sleeve shaft along the through hole.

Further, the outer diameter of the knotting member is tapered from the rear end to the front end to form a tapered shape.

When the capsule needle thread module is in operation, an operator places the front end of the knotting piece in correspondence with an expected suture, and uses the suture needle to pass through the suture, and then passes the suture needle together with the suture through the suture. Activity hoop. After the suturing is completed, the operator operates the control part to move away from the knotting part, so that the suture thread is pulled through the control part and causes the movable ferrule to shrink to adhere to the periphery of the sleeve shaft.

Then continue to pull the control member and/or pull the suture needle synchronously, so that tension is generated at both ends of the suture line, thereby causing the pre-knot to break away from the set shaft, and connect with the movable ferrule and pass through the movable ferrule. The loop of suture is tightened to form a secure knot.

The capsule needle thread module of the present invention has a simple structure and can be designed into different sizes according to needs. The capsule needle thread module can be reduced to be suitable for minimally invasive surgery, assisting the operator to continuously complete suturing and knotting procedures in a small space. , optimizing the surgical schedule and the quality of suturing and knotting, and the capsule needle thread module maximizes the use of sutures while increasing the length to reduce costs.

The resisting structure can help the operator match the capsule needle thread module to the suture, and prevent the sleeve shaft from directly contacting the suture and being contaminated with blood or tissue fluid. At the same time, when the resisting structure supports the sleeve shaft, it can effectively prevent the pre-knot from being separated from the sleeve shaft in an unexpected state.

Especially when the sleeve shaft is fixedly installed in the perforation, during the process of forming the fixed knot, the operator needs to reach sufficient tension when pulling the control member and/or pulling the suture needle to make the pre-set knot The knotting pushes the resisting structure to deform and separate from the sleeve shaft. During this process, the resisting structure can prevent the pre-knot from being separated from the sleeve shaft in advance, thereby preventing the fixed knot from being in an unsatisfactory position or being of poor quality and easy to loosen.

10:Control parts

11:Connecting ribs

111: Engagement convex part

12: Pull rod

13:Control Department

131:Connecting rod

20: Knotted pieces

21:Piercing

22:set shaft

221:Tie line segments

23: Connection bit

231: Groove

232: snap position

235: Snap groove

24: Limit hole

25: Resistance structure

251:Extended section

252: Resist section

26: Accommodation space

30: Shell

A: Suture line

A1: Pre-knotted

A2: activity ring

B: stitches

C:Limiting rope

C1: Limit ring

Figure 1 is a perspective view of the first preferred embodiment of the present invention.

Figure 2 is an exploded view of the first preferred embodiment of the present invention.

Figure 3a is a first action diagram of the first preferred embodiment of the present invention.

Figure 3b is a second action diagram of the first preferred embodiment of the present invention.

Figure 4 is a partial cross-sectional view of the second preferred embodiment of the present invention.

Figure 5 is a perspective view of the third preferred embodiment of the present invention.

Figure 6 is an exploded view of the third preferred embodiment of the present invention.

Figure 7a is a first action diagram of the third preferred embodiment of the present invention.

Figure 7b is a second action diagram of the third preferred embodiment of the present invention.

Please refer to Figures 1 to 3b, which are the first preferred embodiment of the capsule needlework module provided by the present invention, including a control member 10 and a knotting member 20 arranged in an axial direction, wherein the control member 10 is arranged The knotting member 20 is provided at a rear end, and the knotting member 20 is provided at a front end. The knotting member 20 is provided with a through hole 21 so that a suture A can be passed through it, and an operating end of the suture A is connected to any part of the control member 10 . The way in which the suture A is connected to the control member 10 is not limited, and may be fixed by adhesive or binding. In this embodiment, the control member 10 includes a radially arranged pull rod 12. This allows the operating end of the suture A to be tied to the pull rod 12 .

The through hole 21 of the knotting member 20 is provided with a sleeve shaft 22 protruding toward the front end, and the sleeve shaft 22 is in the shape of a hollow tube. The other end of the suture line A relative to the operating end is a suture end. After the suture line A passes through the through hole 21 and the sleeve shaft 22 with the suture end, it extends toward the front end and is exposed outside the capsule needle thread module. . The suture end of the suture A exposed outside the capsule needle thread module is wrapped around the outer circumference of the sleeve shaft 22 and forms a pre-knot A1 and a knot formed between the sleeve shaft 22 and the pre-knot A1. The movable ferrule A2 has a suture needle B connected to the end of the suture line A for suturing and fixing a tissue wound.

In another embodiment, at least a portion of the sleeve shaft 22 is fixedly disposed in the through hole 21 . When the capsule sewing module is in operation, an operator positions the front end of the knotting member 20 to correspond to an expected suture, and uses the suture needle B to pass through the suture, and then connects the suture needle B with the suture line A/the suture. The line end passes through the movable ferrule A2. Furthermore, during suturing, other suture lines different from the suture line A can also be used for suturing and pass through the movable loop A2. After the suturing is completed, the operator operates the control part 10 to move away from the knotting part 20, so that the operating end of the suture line A is pulled through the control part 10, thereby causing the movable loop A2 to shrink until the movable loop A2 is At least part of it is attached to the periphery of the sleeve shaft 22 . Then, the control member 10 is continuously pulled and/or the suture needle B is pulled synchronously, so that tension is generated at both ends of the suture line A, thereby causing the pre-knot A1 to break away from the sleeve shaft 22 toward the front end and interact with the movable The loop A2 and the suture A passing through the movable loop A2 are tightened to form a fixed knot.

In another embodiment, the sleeve shaft 22 can be displaced along the through hole 21 and change its protruding length from the front end of the through hole 21 according to its position relative to the through hole 21 . At least a portion of the sleeve shaft 22 protruding from the through hole 21 is further defined as a binding wire segment 221 . When the control member 10 is continuously pulled, the movable ferrule A2 shrinks through pulling and pushes the sleeve shaft 22 to move toward the through hole 21 , thereby causing the length of the wire binding section 221 to gradually shrink. When the sleeve shaft 22 is fully inserted When inside the perforation 21 , the pre-knot A1 separates from the sleeve shaft 22 and is tightened with the movable ferrule A2 and the suture A passing through the movable ferrule A2 to form the fixed knot.

In another embodiment, the knotting member 20 includes a connection bit 23, which is used to detachably combine with the control member 10 to prevent the control member 10 from being pulled in an unexpected state. The way in which the knotting member 20 is combined with the control member 10 by the connecting position 23 is not limited. A detachable combination of coupling elements can be provided through concave and convex fitting or between the connecting position 23 and the control member 10 .

In this embodiment, a groove 231 is recessed at the rear end of the knotting member 20 as the connection position 23, and at least a portion of the inner wall of the groove 231 is provided with an engaging position 232 in a radial annular shape. The control piece 10 extends toward the front end to form two mutually spaced and correspondingly arranged connecting ribs 11 , and the farthest distance between the two connecting ribs 11 is slightly smaller than the diameter of the groove 231 . And the control part 10 uses two connecting ribs 11 to detachably penetrate into the groove 231 of the knotting part 20. Preferably, the groove 231 of the knotting member 20 is connected to the rear end of the through hole 21, and the two connecting ribs 11 are extended and shaped like the front end of the two ends of the pulling rod 12 of the control member 10, so that The operating end of the suture A can sequentially pass through the through hole 21 , the groove 231 and the gap between the two connecting ribs 11 to the tie rod 12 for binding and fixation.

An engaging convex portion 111 protrudes radially from the front end of the two connecting ribs 11 corresponding to the engaging position 232. When the two connecting ribs 11 are disposed in the groove 231, the engaging convex portion 111 corresponds to Being accommodated in the engaging position 232 , the control member 10 cannot be separated from the knotting member 20 through the concave-convex coupling relationship between the engaging convex portion 111 and the engaging position 232 .

For example, during operation, when the control member 10 is to be separated from the knotting member 20, a pressure is given to the two connecting ribs 11 to move closer to each other and deform, so that the engaging convex portion 111 is separated from the groove 231 and the concave-convex combination is released. relationship, the control part 10 can be separated from the knotting part 20. The capsule needle thread module of the present invention has a simple structure, so that the overall volume can be effectively reduced to be suitable for minimally invasive surgery, assisting the operator to continuously complete suturing and knotting procedures in a small space, and optimizing the surgical schedule and suturing and knotting. Knot quality.

Next, please refer to the second preferred embodiment provided in Figure 4. The difference from the first embodiment is that the knotting member 20 also includes a limiting hole 24 at the front end, and a limiting rope C is located in the limiting hole. The inside of the hole 24 protrudes toward the front end, and at least a part of the limiting rope C protrudes from the limiting hole 24 to form a limiting ring C1. At least a part of the limiting ring C1 is connected with the pre-knotted A1 and/or the movable The ferrules A2 are hooked with each other to prevent the pre-knotted A1 and the movable ferrule A2 from being separated from the sleeve shaft 22 under unexpected conditions.

In this embodiment, the through hole 21 and the limiting hole 24 are parallel to each other and penetrate the knotting member 20 , and the rear ends of the through hole 21 and the limiting hole 24 are connected to the groove 231 , and the limiting rope C is arranged in the limit hole 24 in a concave manner, so that both ends of the limit rope C face the limit hole 24 The rear end protrudes into the groove 231, and the folded limiting ring C1 protrudes toward the front end of the limiting hole 24 and interlocks with the pre-knotted ring A1. When the control part 10 is coupled with the connection position 23 of the knotting part 20 in a concave and convex manner, at least a part of the control part 10 presses the two ends of the limiting rope C between the connection positions 23 . In this way, the limiting rope C needs to be released only when the control part 10 is separated from the knotting part 20, and the pre-knot A1 is released at the same time, so that the fixed knot can be formed subsequently.

Please refer further to FIGS. 5 to 7 , which are a third preferred embodiment of the present invention, including the control part 10 , the knotting part 20 and a shell 30 , the shell 30 covering the control part 10 and at least a part of the rear end of the knotting member 20 . What is different from the previous embodiments is that the capsule sewing module is essentially in the shape of a rod. Through the design of this embodiment, the capsule sewing module can maximize the reduction of sutures while increasing the length. The usage amount of A enables the capsule needle thread module to be designed into different sizes according to the needs, and achieves cost reduction.

The operating member 10 is in the shape of a rod, and a pulling rod 12 is formed on the front end thereof to be connected to the operating end of the suture A. The front end of the control member 10 can slide relative to the knotting member 20 in the housing 30 , and the rear end of the control member 10 protrudes from the housing 30 to form a control portion 13 to facilitate the operator to operate the control portion. 13. Pull the control member 10 relative to the knotting member 20.

The capsule sewing module further includes the connection position 23. The position of the connection position 23 is not limited, and may be provided between the knotting part 20 and the control part 10, or between the shell 30 and the control part. Between the components 10, any disassembled structure or component that fixes the control component 10 and prevents it from moving away from the knotting component 20 is within the scope of the present invention.

Preferably, the connection position 23 extends from the rear end of the knotting member 20 and is accommodated in the housing 30 , and at least a part of the connection position 23 and at least a part of the front end of the control member 10 are in the housing 30 Overlapping settings. The connecting position 23 can be the groove 231 or a track, so that the front end of the control member 10 can slide relative to the connecting position 23 in the housing 30 .

In this embodiment, the connecting position 23 extends toward the rear end of the knotting member 20 to a position adjacent to the rear end of the housing 30 , and an engaging recess is radially recessed on a side of the connecting position 23 corresponding to the control member 10 slot235. The control part 13 extends toward the front end and includes a connecting rod 131 and the connecting rib 11 , and the connecting rod 131 and the connecting rib 11 are arranged correspondingly and spaced apart from each other, and the position of the connecting rib 11 corresponds to the connecting position 23 .

The front end of the connecting rod 131 goes deep into the housing 30 and is connected to the cable rod 12 , while the front end of the connecting rib 11 goes deep into the housing 30 and protrudes toward the engaging groove 235 with the engaging protrusion 111 . . In this way, the control part 10 cannot be separated from the knotting part 20 through the concave-convex coupling relationship between the engaging convex part 111 and the engaging position 232 . When the control member 10 is to be separated from the knotting member 20 , the pressure is applied to cause the connecting rib 11 to deform and move toward the connecting rod 131 , so that the engaging convex portion 111 can disengage from the groove 231 and release the concave-convex coupling relationship.

In another embodiment, the outer diameter of the knotting member 20 is tapered from the rear end to the front end to form a tapered shape, which is helpful for the capsule sewing module to use the knotting member 20 to correspond to the suture. , this type of tapered structure can avoid interfering with the operator's field of vision, and helps confirm the corresponding position of the front end of the knotting member 20 of the capsule needle thread module.

In another embodiment, a resisting structure 25 is formed at the front end of the knotting member 20 , and an accommodating space 26 is formed between the resisting structure 25 and the front end of the knotting member 20 . Preferably, the resisting structure 25 has an extension section 251 extending toward the front end through any surface of the front end of the knotting member 20 , and the front end of the extension section 251 extends a resisting section 252 corresponding to the radial direction of the through hole 21 . The extension section 251 , the resisting section 1172 and the through hole 21 can define the accommodation space 26 , and the length of the extension section 251 can define the size of the accommodation space 26 .

When not in use, the length of the sleeve shaft 22 and the wire binding section 221 is preferably equal to the length of the accommodating space 26 . Preferably, at least a part of the outer periphery of the end of the binding section 221 can be supported by the resisting section 252, so that the overall structure is strengthened. Furthermore, the outer periphery of the end of the tied line segment 221 is The end surfaces of the resisting sections 252 abut against each other. The resisting structure 25 can help the operator match the capsule needle thread module to the suture, and prevent the sleeve shaft 22 from directly contacting the suture and being contaminated with blood or tissue fluid. At the same time, when the resisting structure 25 supports the sleeve shaft 22, it can effectively prevent the pre-knotted A1 from detaching from the sleeve shaft 22 in an unexpected state.

It is worth noting that in the embodiment in which the sleeve shaft 22 is fixedly disposed in the through hole 21, during the process of forming the fixed knot, the operator pulls the control member 10 and/or pulls the suture needle B. , sufficient tension is required to cause the pre-knotted A1 to push the resisting structure 25 to deform and break away from the sleeve shaft 22 . During this process, the resisting structure 25 can prevent the pre-knot A1 from detaching from the sleeve shaft 22 in advance, thereby preventing the fixed knot from being in an unsatisfactory position or being of poor quality and easy to loosen.

10:Control parts

12: Pull rod

20: Knotted pieces

22:set shaft

A: Suture line

A1: Pre-knotted

A2: activity ring

B: stitches

Claims (9)

A capsule needle thread module includes a control part, which is arranged at a rear end; a knotting part, which is arranged at a front end opposite to the control part; the knotting part is provided with a through hole, and a hollow tubular sleeve is provided with a shaft on the The perforation protrudes toward the front end; and a suture line, one end of the suture line is connected to any part of the control member, the other end of the suture line passes through the perforation and the sleeve shaft extends toward the front end and is exposed on the Outside the capsule needle thread module, wherein: the knotting part includes a connection bit, the connection bit is used to detachably combine with the control part; at least a part of the suture line is wrapped around the outer periphery of the sleeve shaft to form a Pre-knotting, a movable ferrule is formed between the sleeve shaft and the pre-knotting; and the size of the movable ferrule changes according to the displacement distance of the control part relative to the knotting part. As for the capsule needlework module described in claim 1, the connection is provided with a groove at the rear end of the knotting member, the inner wall of the groove is annularly recessed with an engaging position, and the control member faces the groove. There are two connecting ribs spaced apart from each other and arranged correspondingly extending inward. The two connecting ribs project an engaging convex portion in the radial direction corresponding to the engaging position, and the engaging convex portion corresponds to the concave and convex portion of the engaging position. As in the capsule sewing module of claim 2, the knotting member includes a resisting structure, including an extension section extending toward the front end from any surface of the knotting piece, and the front end of the extension section corresponds to the radial extension of the perforation. There is a resisting section, wherein the outer periphery of the end of the sleeve shaft protruding from the through hole abuts against the end surface of the resisting section. As for the capsule sewing module according to any one of claims 1 to 3, the control member includes a pull rod arranged radially, and one end of the suture thread is tied to the pull rod. As for the capsule sewing module described in claim 2, two connecting ribs are formed extending from both ends of the pulling rod toward the front end, and the suture line passes through the through hole, the groove, and the two connecting ribs in sequence. until the cable rod is tied and fixed. The capsule sewing module according to claim 1, including a shell covering at least a part of the front end of the control part and at least a part of the rear end of the knotting part, wherein: the front end of the control part is formed with a pull rod. , one end of the suture is tied to the pull rod, the rear end of the control member protrudes from the housing to form a control part, the control part and the pull rod are connected through a connecting rod; and the connection is located at The rear end of the knotting member extends to a position adjacent to the control part, at least a part of the connection position and at least a part of the front end of the control part are overlapped with each other in the housing, and the front end of the control part is positioned relative to the connection position. The shell slides inside, and the connecting position is provided with a radially recessed engaging groove on one side of the control part; wherein the control part extends a connecting rib corresponding to the connecting position, and the connecting rib and the connecting rod mutually interact. The front end of the connecting rib is deep into the housing and protrudes toward the engaging groove with an engaging convex portion. As for the capsule needle thread module according to any one of claims 1 to 3, at least a part of the sleeve shaft protruding from the through hole is a wire binding segment, and the relative position of the wire binding segment is based on the displacement of the sleeve shaft along the through hole. Change its length, wherein during suturing: at least part of the suture line passes through the movable ferrule, and the movable ferrule shrinks by pulling to adhere to the periphery of the sleeve shaft; the movable ferrule continues to shrink to push The casing shaft is displaced toward the perforation, and the length of the binding line gradually decreases; and when the casing shaft completely enters the perforation, the pre-knot is separated from the casing shaft and is connected with the movable ferrule and the suture. At least part of it is tightened to form a fixed knot. The capsule needle thread module according to any one of claims 1 to 3, at least part of the sleeve shaft is fixedly arranged in the perforation, wherein during suturing: at least part of the suture thread is passed through the movable loop , the movable ferrule shrinks to adhere to the periphery of the sleeve shaft through pulling; the control member is continuously pulled, and the pre-knot is displaced toward the front end until it is separated from the sleeve shaft; the pre-knot is separated from the sleeve shaft, And it is tightened with at least part of the movable loop and the suture to form a fixed knot. For the capsule sewing module described in any one of claims 1 to 3, the suture end of the suture is connected to a suture needle.

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