CN216124501U - Hip arthroscope stitching tool - Google Patents

Abstract

The utility model provides a hip arthroscope stitching tool, and relates to the technical field of medical instruments. The hip arthroscopy stitching tool comprises a puncture catheter and a guide rod with a thread; the threaded guide rod is positioned in the puncture catheter and can move along the axial direction of the puncture catheter; the front end of the puncture catheter is pointed and is used for inserting ligaments; the front end of the guide rod with the thread is provided with a thread control mechanism, and the thread control mechanism is used for driving the suture thread to move. The hip arthroscope stitching tool utilizes the puncture catheter to puncture the ligament, utilizes the thread control mechanism with the thread guide rod to realize the pushing and the pulling back of the stitching thread, greatly compresses the operation space of the operation stitching and avoids damaging the tissue near the ligament.

Description

Hip arthroscope stitching tool

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a hip arthroscope stitching tool.

Background

At present, no special hip arthroscopy suturing tool exists clinically, and a common suturing needle is generally used for directly puncturing the ligament to suture. The existing suture needle, whether straight or bent, needs to puncture soft tissue with a thread before turning round and then puncturing the soft tissue again to complete a suture action in the suture process.

Therefore, the suturing tool and the suturing method require a large operating space and easily cause damage to other adjacent parts of the body.

SUMMERY OF THE UTILITY MODEL

The present invention aims to provide a hip arthroscopy stitching tool which helps to solve the above technical problems.

The utility model is realized by the following steps:

a hip arthroscopy stitching tool, which comprises a puncture catheter and a guide rod with a thread; the threaded guide rod is positioned in the puncture catheter and can move along the axial direction of the puncture catheter; the front end of the puncture catheter is pointed and is used for inserting ligaments; the front end of the guide rod with the thread is provided with a thread control mechanism, and the thread control mechanism is used for driving the suture thread to move.

When the hip arthroscope stitching tool is used, the ligament is firstly punctured through the sharp front end of the puncture catheter, and then the suture line is conveyed to a proper stitching position from the inner cavity of the puncture catheter by using the line control mechanism, so that the ligament stitching operation is completed. The structural design does not need to shuttle and turn back and forth at the ligament suture position like a conventional suture needle, does not need to enlarge an incision to obtain larger operation space, and can also avoid damaging the surrounding human tissues.

Further, the wire control mechanism comprises two wire control hooks; the wire control hook comprises a base part and a guide part; the base is arranged on the side wall of the strip line guide rod, and the guide part is arranged at the free end of the base; two accuse line hook sets gradually along the length direction of belted wire guide bar, be located the place ahead the guide part extends backward, is located the back the guide part extends forward. The technical effects are as follows: in this structure, the front end of the wire control hook is bent backward for pulling the suture to move backward; the rear end of the wire control hook is bent forwards and used for pushing the suture to move forwards. The ligament suture operation can be completed by controlling the penetration operation of the suture line in the through hole on the ligament to be sutured.

Further, the wire control mechanism comprises two wire control hooks; the wire control hook comprises a base part and a guide part; the base is arranged on the side wall of the strip line guide rod, and the guide part is arranged at the free end of the base; two accuse line hook sets gradually along the length direction of belted wire guide bar, be located the place ahead the guide part extends forward, be located the rear the guide part extends backward. The technical effects are as follows: in this structure, the front end of the wire control hook is bent forward for pushing the suture to move forward; the rear end of the wire control hook is bent backwards and is used for pulling the suture to move backwards. The ligament suture operation can be completed by controlling the penetration operation of the suture line in the through hole on the ligament to be sutured.

Furthermore, the number of the wire control mechanisms is multiple, and the plurality of the wire control mechanisms are distributed along the circumferential direction of the wire guide rod. The technical effects are as follows: the plurality of wire control mechanisms are arranged in the circumferential direction of the wire guide rod, so that one wire control mechanism can be selected for operation conveniently in an operation without specially rotating the wire guide rod to a specific angle, the operation efficiency can be greatly improved, and the pain of a patient can be reduced.

Further, the wire control hook positioned in front is arranged at the tail end of the wire guide rod. The technical effects are as follows: when a plurality of thread control mechanisms are arranged on the thread guide rod along the circumferential direction, the thread control mechanisms are preferably directly arranged at the tail end of the thread guide rod, so that the protruding size of the tail end is reduced, and the operation space is further compressed.

Furthermore, a first handle is arranged at the near end of the guide rod with the wire, the first handle comprises a circular ring, and the guide rod with the wire is connected with the outer annular surface of the circular ring. The technical effects are as follows: the first handle in the ring shape can be controlled by one finger, so that the pushing and pulling operations of the suture can be realized.

Furthermore, a second handle is arranged at the near end of the puncture catheter, the second handle comprises two circular rings, the outer annular surfaces of the circular rings are connected with the outer wall of the puncture catheter, the axes of the two circular rings are parallel to each other, and the axis of the circular ring is perpendicular to the axis of the puncture catheter. The technical effects are as follows: the second handle comprises two circular rings which can be held by a thumb and a forefinger, and the two circular rings can realize the positioning in the angle direction and prevent the puncture catheter from rotating.

Furthermore, the far end face of the puncture catheter and the axis of the puncture catheter form an included angle. The technical effects are as follows: the far end face of the puncture catheter is in an inclined plane shape, so that the ligament is not easy to pull during puncture.

Further, the device also comprises a guide post; the guide post is characterized in that a guide groove is formed in the side wall of the guide post, the length direction of the guide groove is parallel to the axis of the guide post, and the guide groove extends to the end face of the guide post. The technical effects are as follows: the guide post facilitates smooth and accurate insertion of the puncture catheter after the suturing position is determined, and the guide groove is preferably configured as an arc-shaped elongated groove for guiding the puncture catheter to the suturing position along the guide groove.

Furthermore, the end face of the guide column is in a convex spherical surface shape. The technical effects are as follows: the guide post needs to be abutted against the sutured ligament, and the head end of the guide post is of a spherical circular shield structure, so that the puncture catheter can be prevented from injuring soft tissues such as blood vessels and nerves in the puncture process.

The utility model has the beneficial effects that:

the hip arthroscope stitching tool utilizes the puncture catheter to puncture the ligament, utilizes the thread control mechanism with the thread guide rod to realize the pushing and the pulling back of the stitching thread, greatly compresses the operation space of the operation stitching and avoids damaging the tissue near the ligament.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a first schematic view of a hip arthroscopy suturing tool according to a first embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a second schematic view of a hip arthroscopy suturing tool according to the first embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is a schematic view of a first configuration of a hip arthroscopic suturing tool according to a second embodiment of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5 at C;

FIG. 7 is a second schematic view of a hip arthroscopy suturing tool according to a second embodiment of the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 7 at D;

FIG. 9 is a schematic structural view of a guide post in the hip arthroscopy suturing tool provided by the present invention.

Icon: 100-a puncture catheter; 110-a second handle; 200-guide bar with thread; 210-a first handle; 310-wire control hook; 400-a guide post; 410-guide groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention that are generally described and illustrated in the figures can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

The first embodiment:

FIG. 1 is a first schematic view of a hip arthroscopy suturing tool according to a first embodiment of the present invention; FIG. 2 is an enlarged view of a portion of FIG. 1 at A; FIG. 3 is a second schematic view of a hip arthroscopy suturing tool according to the first embodiment of the present invention; fig. 4 is a partially enlarged view of fig. 3 at B. Referring to fig. 1, 2, 3 and 4, the present embodiment provides a hip arthroscopy suturing tool, which includes a puncture catheter 100 and a guide rod 200 with thread; the guide rod 200 is disposed in the puncture catheter 100, and the guide rod 200 can move along the axial direction of the puncture catheter 100; the front end of the puncture catheter 100 is pointed and is used for inserting a ligament; the front end of the guide rod 200 with thread is provided with a thread control mechanism, and the thread control mechanism is used for driving the suture thread to move.

Further, as shown in fig. 1 to 4, the wire control mechanism includes two wire control hooks 310; the wire control hook 310 includes a base and a guide; the base is arranged on the side wall of the strip line guide rod 200, and the guide part is arranged at the free end of the base; the two wire control hooks 310 are sequentially arranged along the length direction of the tape guide bar 200, and the guide portion located at the front extends backward, and the guide portion located at the rear extends forward.

In the above structure, the puncture catheter 100 and the guide wire 200 may be straight or may be a strip-like structure having the same curvature. Also, the piercing guide 100 should be made of a hard material, and the guide rod 200 may be a hard bar-shaped rod or a flexible rod.

The working principle and the operation method of the hip arthroscopy stitching tool of the embodiment are as follows:

when the hip arthroscope suture tool is used, the ligament is punctured through the sharp front end of the puncture catheter 100, and then the suture line is conveyed to a proper suture position from the inner cavity of the puncture catheter 100 by using the line control mechanism, so that the suture operation of the ligament is completed.

Specifically, since the end of the front wire control hook 310 is bent backward, it can be used to hook the suture and pull the suture to move backward; and the rear end of the thread control hook 310 is bent forward and can be used for hooking the suture and pushing the suture to move forward. The ligament suture operation can be completed by controlling the penetration operation of the suture line in the through hole on the ligament to be sutured. The structural design does not need to shuttle and turn back and forth at the ligament suture position like a conventional suture needle, does not need to enlarge an incision to obtain larger operation space, and can also avoid damaging the surrounding human tissues.

Second embodiment:

FIG. 5 is a schematic view of a first configuration of a hip arthroscopic suturing tool according to a second embodiment of the present invention; FIG. 6 is an enlarged view of a portion of FIG. 5 at C; FIG. 7 is a second schematic view of a hip arthroscopy suturing tool according to a second embodiment of the present invention; fig. 8 is a partial enlarged view of fig. 7 at D. Referring to fig. 5 to 8, the present embodiment provides a hip arthroscopy suturing tool, which is substantially the same as the hip arthroscopy suturing tool of the first embodiment, and the difference between the hip arthroscopy suturing tool of the present embodiment includes two thread control hooks 310; the wire control hook 310 includes a base and a guide; the base is arranged on the side wall of the strip line guide rod 200, and the guide part is arranged at the free end of the base; the two wire control hooks 310 are sequentially arranged along the length direction of the tape guide bar 200, the guide portion located at the front extends forward, and the guide portion located at the rear extends backward.

At this time, the end of the front wire control hook 310 is bent forward, and can be used for hooking the suture and pushing the suture to move forward; the rear end of the rear wire control hook 310 is bent back and can be used to catch the suture and pull the suture back. The ligament suture operation can be completed by controlling the penetration operation of the suture line in the through hole on the ligament to be sutured.

On the basis of any of the above embodiments, preferably, as shown in fig. 4 and 8, the number of the thread control mechanisms is multiple, and the multiple thread control mechanisms are distributed along the circumferential direction of the tape guide rod 200. The number of the wire control mechanisms may be two, and the front ends of the wire guide rods 200 are oppositely arranged, or three or four wire control mechanisms may be arranged, and are uniformly distributed along the circumferential direction of the wire guide rods 200.

At this time, the plurality of wire control mechanisms are arranged in the circumferential direction of the wire guide rod 200, and one wire control mechanism can be selected for operation conveniently in an operation without specially rotating the wire guide rod 200 to a specific angle, so that the operation efficiency can be greatly improved, and the pain of a patient can be reduced.

As shown in fig. 4 and 8, the wire control hook 310 located at the front is provided at the end of the tape guide 200. When the thread guide 200 is provided with a plurality of thread control mechanisms along the circumferential direction thereof, it is preferably provided directly at the end of the thread guide 200, so as to reduce the protrusion size of the end and further compress the operation space.

On the basis of any of the above embodiments, preferably, as shown in fig. 1 to 8, a first handle 210 is disposed at a proximal end of the guide rod 200, the first handle 210 includes a circular ring, and the guide rod 200 is connected to an outer circumferential surface of the circular ring. At this time, the first handle 210 having a circular ring shape may be controlled by one finger, so that the pushing and pulling operations of the suture may be performed.

On the basis of any of the above embodiments, preferably, as shown in fig. 1 to 8, a second handle 110 is disposed at the proximal end of the puncture catheter 100, the second handle 110 includes two circular rings, the outer annular surfaces of the circular rings are connected with the outer wall of the puncture catheter 100, the axes of the two circular rings are parallel to each other, and the axes of the circular rings are perpendicular to the axis of the puncture catheter 100. At this time, the second handle 110 includes two rings that can be held with the thumb and forefinger, and the two rings enable angular orientation, preventing the puncture catheter 100 from rotating.

In any of the above embodiments, preferably, as shown in fig. 1 to 8, the distal end surface of the puncture catheter 100 is disposed at an angle to the axis of the puncture catheter 100. At this time, the distal end surface of the puncture catheter 100 is formed in an inclined plane shape, which is advantageous for puncture and is not easy to pull the ligament.

The third embodiment:

fig. 9 is a schematic structural view of a guide post 400 in the hip arthroscopy suturing tool provided by the present invention. Referring to fig. 9, the present embodiment provides a hip arthroscopy suturing tool, which is substantially the same as the hip arthroscopy suturing tool of the first embodiment or the second embodiment, and the difference between the hip arthroscopy suturing tool of the present embodiment further includes a guide post 400; the side wall of the guide post 400 is provided with a guide groove 410, the length direction of the guide groove 410 is parallel to the axis of the guide post 400, and the guide groove 410 extends to the end surface of the guide post 400. Specifically, the guide groove 410 is preferably formed as a circular arc-shaped groove to facilitate smooth and accurate insertion of the puncture catheter 100 after the suturing position is determined, and the front end of the guide post 400 is smoothly formed to facilitate insertion into the hip joint to guide the puncture catheter 100 along the guide groove 410 to the suturing position.

Further, as shown in fig. 5, the end surface of the guide post 400 is a convex spherical surface, which can prevent the puncture catheter 100 from injuring soft tissues such as blood vessels and nerves during the puncture process.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A hip arthroscopy stitching tool, which is characterized by comprising a puncture catheter (100) and a guide rod (200) with a thread; the guide rod (200) is positioned in the puncture catheter (100), and the guide rod (200) can move along the axial direction of the puncture catheter (100); the front end of the puncture catheter (100) is pointed and is used for inserting ligaments; the front end of the guide rod (200) with the thread is provided with a thread control mechanism which is used for driving the suture thread to move.

2. The hip arthroscopic suturing tool according to claim 1, wherein the wire control mechanism includes two wire control hooks (310); the wire control hook (310) comprises a base part and a guide part; the base is arranged on the side wall of the strip line guide rod (200), and the guide part is arranged at the free end of the base; the two wire control hooks (310) are sequentially arranged along the length direction of the guide rod (200) with the wire, the guide part positioned in the front extends backwards, and the guide part positioned in the rear extends forwards.

3. The hip arthroscopic suturing tool according to claim 1, wherein the wire control mechanism includes two wire control hooks (310); the wire control hook (310) comprises a base part and a guide part; the base is arranged on the side wall of the strip line guide rod (200), and the guide part is arranged at the free end of the base; the two wire control hooks (310) are sequentially arranged along the length direction of the guide rod (200) with the wire, the guide portion positioned in front extends forwards, and the guide portion positioned in rear extends backwards.

4. The hip arthroscopy tool according to claim 2 or 3, wherein the number of the thread control mechanisms is plural, and the plural thread control mechanisms are distributed along the circumference of the thread guide bar (200).

5. The hip arthroscopic suturing tool according to claim 4, wherein the forward located wire control hook (310) is provided at the end of the threaded guide rod (200).

6. The hip arthroscopic suturing tool according to claim 1, wherein the proximal end of the threaded guide rod (200) is provided with a first handle (210), the first handle (210) comprising a ring, the threaded guide rod (200) being attached to an outer circumferential surface of the ring.

7. The hip arthroscopy tool according to claim 1, wherein the proximal end of the puncture catheter (100) is provided with a second handle (110), the second handle (110) comprises two circular rings, the outer circular ring of the circular rings is connected with the outer wall of the puncture catheter (100), the axes of the two circular rings are parallel to each other, and the axes of the circular rings are perpendicular to the axis of the puncture catheter (100).

8. The hip arthroscopy tool according to claim 1, wherein the distal end face of the puncture catheter (100) is arranged at an angle to the axis of the puncture catheter (100).

9. The hip arthroscopy tool according to claim 1, further comprising a guide post (400); the side wall of the guide column (400) is provided with a guide groove (410), the length direction of the guide groove (410) is parallel to the axis of the guide column (400), and the guide groove (410) extends to the end face of the guide column (400).

10. The hip arthroscopy tool according to claim 9, wherein the end surface of the guide post (400) is convex spherical.

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