CN113397629A

CN113397629A - Novel soft tissue fixing needle gun

Info

Publication number: CN113397629A
Application number: CN202110614487.2A
Authority: CN
Inventors: 周诗源; 赵学东; 盛然; 吕心建; 刘继强
Original assignee: Yunyi Beijing Medical Devices Co ltd
Current assignee: Yunyi Beijing Medical Devices Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-09-17
Anticipated expiration: 2041-06-02
Also published as: CN113397629B

Abstract

The utility model belongs to the technical field of medical instrument's technique and specifically relates to a novel soft tissue fixation needle rifle is related to, and it includes the rifle body, ejection mechanism, arrestment mechanism, trigger mechanism and goes up the thorax sliding sleeve, ejection mechanism, arrestment mechanism and trigger mechanism all locate the rifle internally, and the rifle body is including the barrel that is used for installing medical rivet, and ejection mechanism is used for producing high-speed mobile gas emission medical rivet, goes up thorax sliding sleeve and rifle body sliding connection and is used for driving ejection mechanism and goes up the thorax, and arrestment mechanism and ejection mechanism linkage are used for making ejection mechanism keep the state of going up the thorax, and trigger mechanism and arrestment mechanism linkage are used for making arrestment mechanism action and release ejection mechanism, and this application can make the process of squeezing into medical rivet in the skeleton labour saving and time saving more.

Description

Novel soft tissue fixing needle gun

Technical Field

The application relates to the technical field of medical equipment, in particular to a novel soft tissue fixing needle gun.

Background

The laceration of soft tissue is a common surgical wound of human body, and is usually caused by strenuous exercise.

In human body operation and wound medical treatment, firstly, a needle thread sewing or adhesive bonding mode is needed to be adopted to sew up and connect injured soft tissues, then the soft tissues and attached bones are fixed, for example, the achilles tendon is repaired, a fixed metal plate is needed to be adopted to fix the sutured achilles tendon and heel bones, the fixed metal plate is implanted into human tissues near the achilles tendon, a medical rivet penetrates through the fixed metal plate and is driven into the heel bones, the fixed limiting effect of the fixed metal plate on the heel bones and the achilles tendon is ensured, and good rehabilitation of the achilles tendon is ensured.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the process of driving the medical rivet into the bone is complicated, time-consuming and labor-consuming, the operation process of related medical instruments is complicated, and the requirement on the operation level of doctors is high.

Disclosure of Invention

In order to simplify the operation process of relevant medical instruments and save time and labor in the process of driving medical rivets into bones, the application provides a novel soft tissue fixing needle gun.

The application provides a novel soft tissue fixation needle gun adopts following technical scheme: the utility model provides a novel soft tissue fixation needle rifle, includes the rifle body, ejection mechanism, arrestment mechanism, trigger mechanism and goes up the thorax sliding sleeve, ejection mechanism, arrestment mechanism and trigger mechanism all locate the rifle internally, and the rifle body is including the barrel that is used for installing medical rivet, and ejection mechanism is used for producing the medical rivet of high-speed mobile gas emission, goes up thorax sliding sleeve and rifle body sliding connection and is used for driving ejection mechanism and goes up the thorax, and arrestment mechanism and ejection mechanism linkage are used for making ejection mechanism keep the state of going up the thorax, and trigger mechanism and arrestment mechanism linkage are used for making arrestment mechanism action and release ejection mechanism.

By adopting the technical scheme, the medical rivet is firstly loaded into the gun barrel, the loading sliding sleeve slides to enable the loading sliding sleeve to slide along the gun body in the direction far away from the gun barrel, the loading sliding sleeve drives the ejection mechanism to be loaded, and the braking mechanism can enable the ejection mechanism to keep in a loading state. The gun barrel is aligned to the position of a patient needing to be driven into the medical rivet, the trigger mechanism is buckled, the trigger mechanism drives the brake mechanism to act, the brake mechanism releases the ejection mechanism, the ejection mechanism generates high-speed flowing gas and pushes the medical rivet to move quickly in the gun barrel, the medical rivet in the gun barrel is driven into the human body quickly, the whole process can simplify the operation process of a medical instrument, and the process of driving the medical rivet into the bone is time-saving and labor-saving.

Optionally, the ejection mechanism includes an air cylinder, a piston and an ejection spring, the air cylinder is fixedly connected to the inner wall of the gun body, a through hole is formed in the end face of the air cylinder facing the gun barrel, the air cylinder is overlapped with the gun barrel, the piston is located in the air cylinder and is in sliding fit with the air cylinder, and the ejection spring is located in the air cylinder and is used for enabling the piston to rapidly slide to the gun barrel; the brake mechanism comprises a brake piece, a brake rod and a brake spring, the brake piece is connected with the gun body in a sliding mode, the sliding direction of the brake piece is perpendicular to the sliding direction of the piston, the brake rod is fixedly connected with one end, away from the gun barrel, of the piston, the brake rod penetrates through the end portion of the air cylinder, a first hooking portion is fixedly arranged on the brake piece, a second hooking portion matched with the first hooking portion in a hooking mode is fixedly arranged on the brake rod, and the brake spring is located between the brake piece and the inner wall of the gun body and used for keeping the first hooking portion hooked with the second hooking portion.

Through adopting above-mentioned technical scheme, the sliding sleeve that goes up makes the sliding sleeve that goes up to the direction of keeping away from the barrel slide, the sliding sleeve that goes up drives the brake lever and removes, the brake lever drives the piston and slides in the direction of keeping away from the barrel in the inflator, it shortens to launch the continuous compression of spring, the elastic potential energy who launches the spring accumulation increases gradually, the first portion of colluding of second colluding makes the stopper slide and dodges the position for advancing of brake lever, when the second portion of colluding occupies the position of first portion of colluding, the brake spring makes the stopper reset, first portion of colluding colludes the second portion of colluding and makes the piston go up the chamber, it is the biggest this moment to launch the spring and keep its elastic potential energy of compression state. When the trigger mechanism enables the braking part to slide towards the direction close to the trigger mechanism, the second hooking part is separated from the first hooking part, the ejection spring enables the piston to slide and reset in the air cylinder rapidly, the piston generates high-pressure gas in the air cylinder, the high-pressure gas enters the gun tube and launches the medical anchor to be driven into a human body rapidly, and the process is rapid and efficient.

Optionally, the inner wall of the loading sliding sleeve is fixedly provided with a shifting lever, the shifting lever penetrates through the gun body and is in sliding fit with the gun body, the end, far away from the piston, of the brake rod is fixedly provided with a tension portion, and the shifting lever can abut against the tension portion.

By adopting the technical scheme, when the ejection mechanism is loaded, the loading sliding sleeve slides and drives the shifting lever to move, the shifting lever drives the tension part to move, the tension part drives the brake lever to move in the direction away from the gun barrel, and the loading operation process is simple, quick and high in precision.

Optionally, the trigger mechanism includes trigger and reset spring, and trigger and rifle body sliding connection, reset spring locate between trigger and the rifle body and be used for driving the trigger and reset, and the trigger is close to the one end of braking piece and has set firmly oblique guide arm, and the braking piece has set firmly the piece of receiving near oblique guide arm department, oblique guide arm can with receive guide piece sliding fit.

Through adopting above-mentioned technical scheme, the trigger is moved in the pressure makes the trigger slide to the internal of rifle, the trigger makes the compression of reset spring shorten, the elastic potential energy of reset spring increases gradually, the trigger drives oblique guide arm and removes, oblique down bar is close to gradually and receives the guide card, the butt is afterwards pushed down and is received the guide card, the braking piece is compelled to slide to the direction that is close to the trigger, make first portion of colluding break away from the second portion of colluding gradually, realize the automatic release to the brake lever of braking piece, whole process can realize the automatic transmission of medical rivet.

Optionally, a soft rubber ring is fixedly arranged at the tail end of the barrel.

Through adopting above-mentioned technical scheme, the soft rubber ring can avoid barrel direct contact human skin, protects human skin, and soft rubber ring makes the human body can not feel ice-cold simultaneously, improves human comfort.

Optionally, the inner wall of the barrel is coated with a lubricious coating.

By adopting the technical scheme, the lubricating coating is beneficial to smoothly feeding the medical rivet into the human body, so that the medical rivet is prevented from being adhered to human tissues.

Optionally, a first anti-slip pattern is fixedly arranged on the side of the trigger, which faces away from the return spring.

Through adopting above-mentioned technical scheme, first anti-skidding line can increase the frictional force between operator's finger and the trigger, makes the operator can press the trigger more stably.

Optionally, the outer wall of the loading sliding sleeve is fixedly provided with second anti-skidding threads.

Through adopting above-mentioned technical scheme, the frictional force between the sliding sleeve of going up the thorax and operator's finger can be increased to second antiskid line, makes the operator can grip and slide the sliding sleeve of going up the thorax more stably.

Optionally, a sealing ring is fixedly sleeved on the circumferential surface of the piston and is in sliding fit with the inner wall of the inflator.

By adopting the technical scheme, the sealing ring can increase the sliding sealing performance between the piston and the inner wall of the air cylinder.

Optionally, the gun body further comprises a handle for holding the whole fixed needle gun, and the handle is provided with an inwards concave cambered surface matched with the fingers of the human body.

Through adopting above-mentioned technical scheme, can pick up and operate whole fixed needle rifle more steadily through gripping the handle, human finger and indent cambered surface contact can make the operator grip the handle more steadily to grip whole fixed needle rifle.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by using the fixing needle gun, medical rivets can be driven into the skeleton in a time-saving and labor-saving manner;

2. the loading sliding sleeve is arranged in a sliding manner, so that the loading process of the ejection mechanism is simple and rapid;

3. can avoid barrel direct contact human skin through setting up soft rubber ring, protect human skin, soft rubber ring makes the human body not feel ice-cold simultaneously, improves human comfort.

Drawings

FIG. 1 is a schematic structural view of a novel soft tissue fixation needle gun in accordance with an embodiment of the present application;

FIG. 2 is a cross-sectional view embodying a piston;

fig. 3 is a sectional view showing the shift lever.

Description of reference numerals: 1. a gun body; 11. a barrel; 111. a soft rubber ring; 12. a mounting seat; 13. a handle; 131. an inner concave cambered surface; 2. an ejection mechanism; 21. an air cylinder; 22. a piston; 221. a seal ring; 23. ejecting a spring; 3. a brake mechanism; 31. a stopper; 311. a first hooking part; 312. a guided sheet; 32. a braking spring; 33. a brake lever; 331. a second hooking part; 332. a tension portion; 4. a trigger mechanism; 41. a trigger; 411. a first anti-skid pattern; 412. an inclined guide rod; 42. a reset spring; 5. loading the sliding sleeve; 51. a deflector rod; 52. a second anti-skid pattern; 6. medical rivets.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses novel soft tissue fixation needle gun, refer to fig. 1 and 2, novel soft tissue fixation needle gun includes the rifle body 1, ejection mechanism 2, arrestment mechanism 3, trigger mechanism 4 and goes up thorax sliding sleeve 5. The gun body 1 comprises a gun barrel 11 for loading the medical rivet 6 and a handle 13 for holding the whole fixed needle gun, wherein the handle 13 is provided with a concave cambered surface 131 matched with human fingers. The ejection mechanism 2, the brake mechanism 3 and the trigger mechanism 4 are all positioned in the gun body 1. The ejection mechanism 2 is used for generating high-speed flowing gas to eject the medical rivet 6; the loading sliding sleeve 5 is connected with the gun body 1 in a sliding way and is used for driving the ejection mechanism 2 to load; the brake mechanism 3 is linked with the ejection mechanism 2 to keep the ejection mechanism 2 in a loading state; the trigger mechanism 4 is linked with the brake mechanism 3 to enable the brake mechanism 3 to act and release the ejection mechanism 2 to launch the medical rivet 6.

The fingers of the human body can stably hold the handle 13 by contacting the concave arc 131 and hold the whole fixed needle gun. Firstly, the medical rivet 6 is loaded into the gun barrel 11 through the port of the gun barrel 11, the loading sliding sleeve 5 is slid to enable the loading sliding sleeve 5 to slide along the gun body 1 in the direction far away from the gun barrel 11, the loading sliding sleeve 5 drives the ejection mechanism 2 to be loaded, and the braking mechanism 3 can enable the ejection mechanism 2 to keep in a loading state. Aim at the position that the patient need squeeze into medical rivet 6 with barrel 11, detain trigger mechanism 4, trigger mechanism 4 drives the action of brake mechanism 3, brake mechanism 3 release ejection mechanism 2, ejection mechanism 2 produces high-speed mobile gas, high-speed mobile gas promotes medical rivet 6 fast moving in barrel 11, squeeze into the human body with medical rivet 6 in barrel 11 fast, the operation of medical apparatus can be simplified to whole process, make the process labour saving and time saving of beating into medical rivet 6 in the skeleton.

Referring to fig. 2 and 3, the ejector mechanism 2 includes a cylinder 21, a piston 22, and an ejector spring 23. The air cylinder 21 is fixedly connected with the inner wall of the gun body 1, the end face of the air cylinder 21 facing the gun barrel 11 is provided with a through hole, and the center line of the air cylinder 21 is superposed with the center line of the gun barrel 11. The piston 22 is positioned in the cylinder 21, a sealing ring 221 is fixedly sleeved on the circumferential surface of the piston 22, and the sealing ring 221 is in sliding fit with the inner wall of the cylinder 21. The ejection spring 23 is positioned in the air cylinder 21 and on one side of the piston 22 far away from the barrel 11, one end of the ejection spring 23 is fixedly connected with the piston 22, the other end of the ejection spring 23 is fixedly connected with the inner end face of the air cylinder 21, and when the ejection spring 23 is in a natural state, the piston 22 is positioned at one end of the air cylinder 21 close to the barrel 11.

Referring to fig. 2 and 3, the brake mechanism 3 includes a brake member 31, a brake lever 33, and a brake spring 32. The both sides that stopper 31 deviates from each other all have seted up the spout, and rifle body 1 afterbody is gone into in the spout and with stopper 31 sliding connection, the slip direction of stopper 31 perpendicular to piston 22's slip direction. The brake lever 33 is fixedly connected with one end of the piston 22 departing from the barrel 11, the brake lever 33 penetrates through the end of the air cylinder 21 and has a gap with the end of the air cylinder 21, a first hooking part 311 is integrally formed on one side of the brake member 31 facing the brake lever 33, a second hooking part 331 is integrally formed on one side of the brake lever 33 facing the handle 13, the second hooking part 331 is located at one end of the brake lever 33 far away from the piston 22, and the first hooking part 311 is in hooking fit with the second hooking part 331. The brake spring 32 is located between the brake member 31 and the inner wall of the gun body 1, one end of the brake spring 32 is fixedly connected with the brake member 31, the other end of the brake spring 32 is fixedly connected with the gun body 1, and when the first hooking portion 311 and the second hooking portion 331 are hooked with each other, the brake spring 32 is compressed and shortened.

The seal ring 221 can increase the sliding sealing property between the piston 22 and the inner wall of the cylinder 21. The upper chamber sliding sleeve 5 is slid to enable the upper chamber sliding sleeve 5 to slide in a direction far away from the barrel 11, the upper chamber sliding sleeve 5 drives the brake rod 33 to move, the brake rod 33 drives the piston 22 to slide in a direction far away from the barrel 11 in the air cylinder 21, the ejection spring 23 is continuously compressed and shortened, the elastic potential energy accumulated by the ejection spring 23 is gradually increased, the second hooking part abuts against the first hooking part 311 to enable the brake piece 31 to slide to be in a forward avoiding position of the brake rod 33, when the second hooking part 331 occupies the position of the first hooking part 311, the brake spring 32 enables the brake piece 31 to reset, the first hooking part 311 hooks the second hooking part 331 to enable the piston 22 to be in an upper chamber, and the ejection spring 23 keeps a compression state and the elastic potential energy is maximum at the moment. When the trigger mechanism 4 slides the braking member 31 in a direction approaching the trigger mechanism 4, the second hooking portion 331 is disengaged from the first hooking portion 311, the ejection spring 23 enables the piston 22 to slide and reset quickly in the cylinder 21, the piston 22 generates high-pressure gas in the cylinder 21, and the high-pressure gas enters the barrel 11 and launches the medical anchor into the human body quickly.

Referring to fig. 2 and 3, the trigger mechanism 4 includes a trigger 41 and a return spring 42. The trigger 41 is embedded in the gun body 1 and is connected with the gun body 1 in a sliding way; reset spring 42 is located between trigger 41 and the rifle body 1, and rifle body 1 has mount pad 12 near trigger 41 integrated into one piece, and reset spring 42's one end and mount pad 12 fixed connection, reset spring 42's the other end and trigger 41 fixed connection, and reset spring 42 is used for driving trigger 41 and resets. The side of the trigger 41 facing away from the return spring 42 is integrally formed with a plurality of first anti-slip threads 411 that are parallel to each other. A slant guide rod 412 is integrally formed at one end of the trigger 41 close to the braking member 31, a guided piece 312 is integrally formed at the position of the braking member 31 close to the slant guide rod 412, and the slant guide rod 412 can be in sliding fit with the guided piece 312. The ramp guide is spaced from the guided blade 312 when the return spring 42 is in its natural state.

The first anti-slip pattern 411 can increase the friction between the operator's finger and the trigger 41, so that the operator can press the trigger 41 more stably. Pressing the trigger 41 to slide the trigger 41 into the gun body 1, the trigger 41 compresses and shortens the return spring 42, the elastic potential energy of the return spring 42 is gradually increased, the trigger 41 drives the inclined guide rod 412 to move, the inclined guide rod is gradually close to the guided piece 312, then, the inclined guide rod is abutted to and presses the guided piece 312, the braking part 31 is forced to slide towards the direction close to the trigger 41, the first hooking part 311 is gradually separated from the second hooking part 331, the automatic release of the braking part 31 to the braking rod 33 is realized, and the whole process can realize the automatic emission of the medical rivet 6.

Referring to fig. 2 and 3, the outer wall of the charging sliding sleeve 5 is integrally formed with a plurality of second anti-slip threads 52 which are parallel to each other. Two opposite shift levers 51 are integrally formed on the inner wall of the upper-bore sliding sleeve 5, the shift levers 51 penetrate through the gun body 1 and are in sliding fit with the gun body 1, a tension portion 332 is integrally formed at the end of the brake lever 33 far away from the piston 22, and the shift levers 51 are in abutting fit with the tension portion 332.

The second anti-slip threads 52 can increase the friction force between the loading sliding sleeve 5 and the fingers of the operator, so that the operator can more stably hold and slide the loading sliding sleeve 5. When the ejection mechanism 2 is loaded, the loading sliding sleeve 5 is slid, the loading sliding sleeve 5 drives the shift lever 51 to move, the shift lever 51 drives the tension portion 332 to move, the tension portion 332 drives the brake lever 33 to move in a direction away from the barrel 11, the brake lever 33 drives the piston 22 to move, and when the first hooking portion 311 hooks the second hooking portion 331, the piston 22 is loaded.

Referring to fig. 2 and 3, the soft rubber ring 111 is fixedly connected to the end of the barrel 11, the soft rubber ring 111 can prevent the barrel 11 from directly contacting the skin of the human body, so that the skin of the human body is protected, and meanwhile, the soft rubber ring 111 enables the human body not to feel cool and improves the comfort of the human body.

Referring to fig. 2 and 3, the inner wall of the barrel 11 is coated with a lubricating coating containing teflon, which facilitates smooth feeding of the medical rivet 6 into the human body while preventing adhesion with the human tissue.

The implementation principle of the novel soft tissue fixing needle gun of the embodiment of the application is as follows: the entire fixed needle gun is held by the holding handle 13. Firstly, a medical rivet 6 is loaded into a barrel 11 through a port of the barrel 11, then a charging sliding sleeve 5 is slid to enable the charging sliding sleeve 5 to slide along a gun body 1 in a direction away from the barrel 11, the charging sliding sleeve 5 drives a shifting rod 51 to move, the shifting rod 51 drives a tension part 332 to move, the tension part 332 drives a brake rod 33 to move in a direction away from the barrel 11, the brake rod 33 drives a piston 22 to move, an ejection spring 23 is compressed and shortened, a second hooking part abuts against a first hooking part 311 to enable a brake piece 31 to slide to be a forward avoiding position of the brake rod 33, when the second hooking part 331 occupies the position of the first hooking part 311, the brake spring 32 enables the brake piece 31 to reset, the first hooking part 311 hooks the second hooking part 331 to enable the piston 22 to be charged, and the ejection spring 23 keeps a compressed state and has the largest elastic potential energy at the moment.

Then the trigger 41 is pressed to make the trigger 41 slide towards the gun body 1, the trigger 41 makes the return spring 42 compressed and shortened, the elastic potential energy of the return spring 42 gradually increases, the trigger 41 drives the inclined guide rod 412 to move, the inclined guide rod gradually approaches to the guided piece 312, then the inclined guide rod is abutted against and presses the guided piece 312, the inclined guide rod 412 enables the braking piece 31 to be forced to slide towards the direction approaching to the trigger 41 through the guided piece 312, the first hooking part 311 is gradually separated from the second hooking part 331, the braking piece 31 automatically releases the braking rod 33, the ejection spring 23 enables the piston 22 to rapidly slide and reset in the air cylinder 21, the piston 22 generates high-pressure gas in the air cylinder 21, and the high-pressure gas enters the gun barrel 11 and launches the medical anchor to rapidly drive into the human body.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a novel soft tissue fixation needle rifle which characterized in that: including the rifle body (1), ejection mechanism (2), arrestment mechanism (3), trigger mechanism (4) and go up thorax sliding sleeve (5), ejection mechanism (2), arrestment mechanism (3) and trigger mechanism (4) are all located in the rifle body (1), the rifle body (1) is including barrel (11) that are used for installing medical rivet (6), ejection mechanism (2) are used for producing high-speed mobile gas and launch medical rivet (6), go up thorax sliding sleeve (5) and rifle body (1) sliding connection and are used for driving ejection mechanism (2) and go up the thorax, arrestment mechanism (3) and ejection mechanism (2) linkage are used for making ejection mechanism (2) keep going up the thorax state, trigger mechanism (4) and arrestment mechanism (3) linkage are used for making arrestment mechanism (3) action and release mechanism (2).

2. The novel soft tissue fixation needle gun of claim 1, wherein: the ejection mechanism (2) comprises an air cylinder (21), a piston (22) and an ejection spring (23), the air cylinder (21) is fixedly connected with the inner wall of the gun body (1), a through hole is formed in the end face, facing the gun barrel (11), of the air cylinder (21), the air cylinder (21) is overlapped with the gun barrel (11), the piston (22) is located in the air cylinder (21) and is in sliding fit with the air cylinder (21), and the ejection spring (23) is located in the air cylinder (21) and is used for enabling the piston (22) to rapidly slide to the gun barrel (11); brake mechanism (3) include brake piece (31), brake lever (33) and brake spring (32), brake piece (31) and rifle body (1) sliding connection and the slip direction perpendicular to the slip direction of piston (22), brake lever (33) and piston (22) deviate from the one end rigid coupling of barrel (11), brake lever (33) pass the tip of inflator (21), brake piece (31) set firmly first hook portion (311), brake lever (33) set firmly with first hook portion (311) hook complex second hook portion (331), brake spring (32) are located and are used for keeping the hook of first hook portion (311) and second hook portion (331) between the inner wall of brake piece (31) and rifle body (1).

3. The novel soft tissue fixation needle gun of claim 2, wherein: the inner wall of the upper-bore sliding sleeve (5) is fixedly provided with a deflector rod (51), the deflector rod (51) penetrates through the gun body (1) and is in sliding fit with the gun body (1), the end part of the brake rod (33) far away from the piston (22) is fixedly provided with a tension part (332), and the deflector rod (51) can be abutted against the tension part (332).

4. The novel soft tissue fixation needle gun of claim 2, wherein: trigger mechanism (4) are including trigger (41) and reset spring (42), trigger (41) and the rifle body (1) sliding connection, reset spring (42) are located and are used for driving trigger (41) to reset between trigger (41) and the rifle body (1), trigger (41) are close to the one end of arresting member (31) and have set firmly oblique guide arm (412), arresting member (31) have set firmly guided piece (312) near oblique guide arm (412), oblique guide arm (412) can with guided piece (312) sliding fit.

5. The novel soft tissue fixation needle gun of claim 1, wherein: the tail end of the gun barrel (11) is fixedly provided with a soft rubber ring (111).

6. The novel soft tissue fixation needle gun of claim 1, wherein: the inner wall of the barrel (11) is coated with a lubricating coating.

7. The novel soft tissue fixation needle gun of claim 4, wherein: and a first anti-slip pattern (411) is fixedly arranged on the side surface of the trigger (41) departing from the reset spring (42).

8. The novel soft tissue fixation needle gun of claim 1, wherein: and a second anti-skid thread (52) is fixedly arranged on the outer wall of the loading sliding sleeve (5).

9. The novel soft tissue fixation needle gun of claim 2, wherein: the sealing ring (221) is fixedly sleeved on the circumferential surface of the piston (22), and the sealing ring (221) is in sliding fit with the inner wall of the air cylinder (21).

10. The novel soft tissue fixation needle gun of claim 1, wherein: the gun body (1) further comprises a handle (13) used for holding the whole fixed needle gun, and the handle (13) is provided with an inward concave cambered surface (131) matched with human fingers.