CN219306803U

CN219306803U - Adjustable suture meniscus surgical needle

Info

Publication number: CN219306803U
Application number: CN202320247059.5U
Authority: CN
Inventors: 赵敏
Original assignee: Second People's Hospital Of Longgang District Shenzhen City
Current assignee: Second People's Hospital Of Longgang District Shenzhen City
Priority date: 2023-02-18
Filing date: 2023-02-18
Publication date: 2023-07-07
Anticipated expiration: 2033-02-18

Abstract

The utility model discloses an adjustable suture meniscus surgical needle, which comprises a handle and a needle body, and is characterized in that: a main groove is arranged in the handle, an arc adjusting piece and a needle body which are mutually matched are arranged in the main groove, the needle body is of an L-shaped structure, and the needle body passes through the arc adjusting piece to be arranged; the handle is also provided with a first groove and a second groove which are mutually perpendicular to the main groove, and the first groove and the second groove are communicated with the main groove; the radian adjusting piece is in threaded connection with the adjusting piece through a first groove, and the needle body is in threaded connection with the adjusting piece through a second groove; through the cooperation use of length adjustment spare and radian adjustment spare for this surgical needle when using, can carry out corresponding radian and length adjustment according to actual conditions, thereby adapt to different patient's demand, increase the convenience in the operation process, improve operation efficiency.

Description

Adjustable suture meniscus surgical needle

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to an adjustable suture meniscus surgical needle.

Background

The meniscus is a half moon-shaped cartilage between the femur and tibia of the knee joint, the edge of the meniscus is thicker, the meniscus is tightly connected with the joint capsule, and the center part of the meniscus is thin and is in a free state. The normal meniscus has the functions of increasing tibial condyle depression and lining medial and lateral femoral condyles so as to increase the stability of the joint and play a role in buffering and damping.

The meniscus injury is not easy to heal, because the blood circulation of the meniscus is extremely poor, most of the meniscus is in a vascular-free area, only 25 to 30 percent of the outside, namely the side close to a joint capsule, is supplied with blood, so that the meniscus injury is extremely difficult to heal, the meniscus injury can be treated in time according to the injury condition after being diagnosed, and the meniscus suture is the most ideal operation mode for treating the meniscus injury at present; the utility model patent with publication number of CN110680429A discloses a simple inner-outer meniscus suture device, but the bending radian of the needle head and the length of the needle body of the suture needle cannot be correspondingly adjusted according to actual needs, and cannot meet the actual needs.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide the adjustable suture meniscus surgical needle, which can adjust the corresponding radian and the length according to the actual conditions when in use by matching the length adjusting piece and the radian adjusting piece, so that the blind area of the instrument used in the operation can be greatly reduced by an operator by adjusting the radian of the meniscus surgical needle, the operation convenience is increased, the requirements of different patients are met, the convenience in the operation process is increased, and the operation efficiency is improved.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

an adjustable suture meniscus surgical needle, includes handle and needle body, its characterized in that:

a main groove is arranged in the handle, an arc adjusting piece and a needle body which are matched are arranged in the main groove, the needle body is of an L-shaped structure, and the needle body passes through the arc adjusting piece to be arranged;

the handle is also provided with a first groove and a second groove which are mutually perpendicular to the main groove, and the first groove and the second groove are communicated with the main groove;

the radian adjusting piece is in threaded connection with the adjusting piece through a first groove, and the needle body is in threaded connection with the adjusting piece through a second groove;

preferably, the radian adjusting piece comprises a first sleeve and a second sleeve which are movably connected, the first sleeve and the second sleeve are both cylindrical structures with two open ends, a gap matched with the needle body is arranged on the first sleeve,

the second sleeve is of an L-shaped structure, the upper end of the second sleeve is hinged with the first sleeve, the lower end of the second sleeve is in threaded connection with the adjusting piece, and a hole for the needle body to pass through is formed in the short side of the L-shaped structure.

Preferably, the width of the slit is larger than the diameter of the needle body, the diameter of the hole is larger than the diameter of the needle body and smaller than the diameter of the sleeve II.

Preferably, the adjusting piece comprises a knob and a fixing piece which are fixedly connected, a threaded rod is arranged at the lower end of the fixing piece, external threads are arranged on the outer side of the threaded rod, and the external threads are respectively matched with the second sleeve and the needle body.

Preferably, the width of the fixing piece is larger than that of the second groove, and the lower end face of the fixing piece is provided with a rubber ring.

Preferably, the radian adjusting piece and the needle body are made of steel.

The beneficial effects of the utility model are as follows:

the utility model discloses an adjustable suture meniscus surgical needle, which can be used by matching a length adjusting room and an radian adjusting mechanism, so that when the surgical needle is used, corresponding radian and length adjustment can be carried out according to the fat and thin of a patient and specific characteristics of an operation part, thereby adapting to the requirements of different patients, and an operator can greatly reduce the dead zone of the instrument used in the operation, increase the operation convenience and improve the operation efficiency by adjusting the radian of the meniscus surgical needle.

Drawings

FIG. 1 is a block diagram of a suturing needle of the present utility model;

FIG. 2 is a schematic view of the radian adjustment member of the present utility model;

FIG. 3 is a schematic view of the radian adjuster of the present utility model before use

FIG. 4 is a schematic view of the structure of the adjusting member of the present utility model;

FIG. 5 is a schematic view of the arc adjuster of the present utility model;

FIG. 6 is a schematic view of the radian adjuster of the present utility model before use;

FIG. 7 is a schematic view of a well according to the present utility model;

FIG. 8 is a schematic view of a slit structure according to the present utility model;

FIG. 9 is a cross-sectional view of the present utility model main slot;

FIG. 10 is a schematic view of the needle structure of the present utility model;

wherein: 1. a handle; 101. a main groove; 102. a first groove; 103. a second groove; 2. a needle body; 3. an arc adjusting member; 301. a first sleeve; 302. a second sleeve; 303. a hole; 304. a slit; 4. an adjusting member; 401. a knob; 402. a fixing member; 403. a threaded rod.

Detailed Description

In order to enable those skilled in the art to better understand the technical solution of the present utility model, the technical solution of the present utility model is further described below with reference to the accompanying drawings and examples.

Examples:

referring to the drawing 1-10, a meniscus suture needle comprises a handle 1 and a needle body 2, wherein a main groove 101 is arranged in the handle 1, an arc adjusting piece 3 and the needle body 2 which are mutually matched are arranged in the main groove 101, the needle body 2 is of an L-shaped structure, the needle body 2 passes through the arc adjusting piece 3, the arc adjusting piece 3 and the needle body 2 are made of steel, the steel has deformation characteristics and can be disinfected, and a needle hole for a suture line to pass through is arranged on the needle body 2;

the handle 1 is also provided with a first groove 102 and a second groove 103 which are mutually perpendicular to the main groove 101, and the first groove 102 and the second groove 103 are communicated with the main groove 101; the radian adjusting piece 3 is in threaded connection with the adjusting piece 4 through a groove I102, and the needle body 2 is in threaded connection with the adjusting piece 4 through a groove II 103;

the radian adjusting piece 3 comprises a first sleeve 301 and a second sleeve 302 which are hinged together, the first sleeve 301 can rotate downwards for 180 degrees through a hinged position, the first sleeve 301 and the second sleeve 302 are hollow structures with two open ends, a vertical gap 304 for the needle body 2 to pass through is further formed in the first sleeve 301, the width of the gap 304 is larger than the diameter of the needle body 2, and the gap 304 is used for facilitating the separation of the needle body 2 from the first sleeve 301 after the radian adjustment of the needle body 2 is completed;

the second sleeve 302 is L-shaped, the upper end of the second sleeve is movably connected with the first sleeve 301, the internal thread on the lower end is in threaded connection with the adjusting piece 4, and a hole 303 for the needle body 2 to freely pass through is formed in the short side of the L-shaped;

the adjusting part 4 comprises a knob 401 and a fixing part 402 which are fixedly connected, the width of the fixing part 402 is larger than that of a first groove (102) and a second groove (103), a threaded rod 403 is fixedly connected to the lower end of the fixing part 402, external threads which are matched with the second sleeve 302 and the needle body 2 respectively are arranged outside the threaded rod 403, a circle of rubber ring is arranged at the lower end of the fixing part 402 around the threaded rod 403, and the purpose is that when the lower end face of the fixing part 402 is contacted with the handle 1, the fixing part 402 is more attached to the surface of the handle 1 due to the deformation characteristic of rubber, so that the effect of fixing the needle body 2 by the fixing part 402 is better.

Before the meniscus suture operation, a doctor adjusts the bending radian and the using length of the needle body according to the fat and thin of a patient and the bone condition of an operation part, and the specific steps are as follows: firstly, screwing a knob 401 to enable a threaded rod 403 to move outwards relative to a needle body 2, enabling a rubber ring at the lower end of a fixing piece 402 to be far away from the surface of a handle 1, at the moment, enabling the threaded rod 403 to be further screwed on an radian adjusting piece 3, enabling a doctor to drive the radian adjusting piece 3 installed in the handle 1 to slide on a groove one 102 through the knob 401, enabling the radian adjusting piece 3 to extend out of the handle 1, enabling the radian adjusting piece 3 to extend out completely, wrapping the needle body 2 when the radian adjusting piece 3 extends out completely, screwing the knob 401, fixing the radian adjusting piece 3 through the fixing piece 402, then enabling the doctor to rotate a sleeve one 301 downwards by hand, so that the vertical needle body 2 is changed into a required radian, enabling the needle body 2 to be separated from the radian adjusting piece 3 through a gap 304 after the radian adjustment is completed, and enabling the radian adjusting piece 3 to be retracted into the handle 1 through screwing the knob 401; finally, the fixing piece 402 drives the needle body 2 to slide in the second groove 103, so that the length of the needle body 2 extending out of the handle 1 is adjusted, and the pre-operation adjustment of the meniscus suture needle is completed.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An adjustable suture meniscus surgical needle, includes handle (1) and needle body (2), its characterized in that:

a main groove (101) is arranged in the handle (1), an adaptive radian adjusting piece (3) and a needle body (2) are arranged in the main groove (101), the needle body (2) is of an L-shaped structure, and the needle body (2) passes through the radian adjusting piece (3);

the handle (1) is also provided with a first groove (102) and a second groove (103) which are mutually perpendicular to the main groove (101), and the first groove (102) and the second groove (103) are communicated with the main groove (101);

the radian adjusting piece (3) is in threaded connection with the adjusting piece (4) through a first groove (102), and the needle body (2) is in threaded connection with the adjusting piece (4) through a second groove (103).

2. An adjustable suture meniscus surgical needle according to claim 1, wherein: the radian adjusting piece (3) comprises a first sleeve (301) and a second sleeve (302) which are movably connected, the first sleeve (301) and the second sleeve (302) are both in cylindrical structures with two ends open, a gap (304) matched with the needle body (2) is formed on the first sleeve (301),

the second sleeve (302) is of an L-shaped structure, the upper end of the second sleeve is hinged with the first sleeve (301), the lower end of the second sleeve is in threaded connection with the adjusting piece (4), and a hole (303) for the needle body (2) to pass through is formed in the short side of the L-shaped structure.

3. An adjustable suture meniscus surgical needle according to claim 2, wherein: the width of the gap (304) is larger than the diameter of the needle body (2), the diameter of the hole (303) is larger than the diameter of the needle body (2) and smaller than the diameter of the sleeve II (302).

4. An adjustable suture meniscus surgical needle according to claim 1, wherein: the adjusting piece (4) comprises a knob (401) and a fixing piece (402) which are fixedly connected, a threaded rod (403) is arranged at the lower end of the fixing piece (402), external threads are arranged on the outer side of the threaded rod (403), and the external threads are respectively matched with the second sleeve (302) and the needle body (2).

5. An adjustable suture meniscus surgical needle according to claim 4, wherein: the width of the fixing piece (402) is larger than that of the first groove (102) and the second groove (103), and a rubber ring is arranged on the lower end face of the fixing piece (402).

6. An adjustable suture meniscus surgical needle according to claim 1, wherein: the radian adjusting piece (3) and the needle body (2) are made of steel.