CN212382670U

CN212382670U - Portable operation type suture needle holder conforming to small incision wide-angle depth operation

Info

Publication number: CN212382670U
Application number: CN202020348887.4U
Authority: CN
Inventors: 马建军; 徐良; 高耀平; 许凌峰
Original assignee: Affiliated Sir Run Run Shaw Hospital of School of Medicine Zhejiang University
Current assignee: Affiliated Sir Run Run Shaw Hospital of School of Medicine Zhejiang University
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2021-01-22
Anticipated expiration: 2030-03-18

Abstract

The utility model discloses a portable operation formula accords with suture needle of little incision wide angle depth operation and holds ware, including outer sleeve, needle forceps subassembly, telescope tube, front end housing nut, spring, the adjusting nut and the drive assembly of keeping silent, needle forceps subassembly includes the needle forceps head that a pair of semicircle pole and the semicircle pole front end that stock, stock front end extend, leaves the clearance that moves about between two needle forceps heads, the rear end of stock extends has the body of rod screw thread section that is used for being connected with the adjusting nut screw-thread fit of keeping silent, telescope tube activity suit is on the stock, and telescope tube's front end is contradicted on the outer skew wall of needle forceps head, telescope tube's rear end extends there is the slip cap. The utility model has the advantages of reasonable design, compact structure, occupation space is little, realizes sewing up of deep tissue under the little incision condition, has solved the unable sutural technical problem of realization of operation dead angle position and other surgical instruments, reaches the purpose of accurate sewing up, reduction wound, convenient operation.

Description

Portable operation type suture needle holder conforming to small incision wide-angle depth operation

Technical Field

The utility model relates to an operation instrument technical field specifically is a portable operation formula accords with suture needle of little incision wide angle depth operation and holds ware.

Background

Since the past of surgical operations, suturing of various tissues including blood vessels, tissues and the like has been performed by holding a suturing needle with a needle holder. Surgical techniques such as staplers have emerged in recent years.

The needle holder used in the current operation is of a clamping structure, for the suture of deep tissues, especially for the suture of deep tissues under the current popular small incision operation, the situation that the needle holder is blocked by shallow tissues, a suture needle cannot be delivered to a target area, or the needle holder cannot be flexibly operated in the target area easily occurs, and meanwhile due to the large volume of the needle holder, when the operation is performed in the deep incision, the operation light and the view of a doctor can be shielded. The stapler can only sew under specific conditions, which is not only expensive and often requires residual plants, but also cannot be applied to the fields requiring delicate operations, such as repairing the dural sac.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable operation formula accords with suture needle holder of little incision wide angle depth operation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a portable operation type suture needle holder conforming to small incision wide-angle depth operation comprises an outer sleeve, a needle holder assembly, a telescopic sleeve, a front end cover nut, a spring, a jaw adjusting nut and a driving assembly, wherein the needle holder assembly comprises a long rod, a pair of semi-circular rods extending from the front end of the long rod and needle holder heads extending from the front ends of the semi-circular rods, a movable gap is reserved between the two needle holder heads, a rod body thread section for being in threaded fit connection with the jaw adjusting nut extends from the rear end of the long rod, the telescopic sleeve is movably sleeved on the long rod, the front end of the telescopic sleeve is abutted against the outer inclined wall of the needle holder heads, a sliding sleeve extends from the rear end of the telescopic sleeve, the telescopic sleeve is arranged in the outer sleeve in a penetrating manner, a front end opening of the outer sleeve is in threaded fit connection with an external thread sleeve of the front end cover nut, and the telescopic sleeve is movably arranged at the center of the front end, the rear end of outer sleeve is provided with the sleeve end wall, sets up the end wall centre bore that supplies the stock to pass on the sleeve end wall, the preceding terminal surface of adjusting nut of keeping silent contradicts on the sleeve end wall, the spring suit is on telescopic sleeve, and the one end of spring is contradicted with the preceding terminal surface of sliding sleeve, and the other end of spring is contradicted with the external screw thread cover terminal surface of front end cap nut, is provided with the drive assembly who is used for promoting the sliding sleeve and moves forward in the outer sleeve.

Preferably, the rear end of the sleeve end wall is further extended with a rear end threaded sleeve, and the rear end threaded sleeve is connected with a tail cover used for covering the jaw adjusting nut in a threaded fit manner.

Preferably, the rear end of the tail cover is further provided with a threading hole communicated with the interior of the tail cover.

Preferably, the driving assembly adopts a lever block, the side wall of the lower end of the lever block is connected with the outer sleeve in a rotating fit mode through a lever pin shaft, the front end of the lever block extends to form a protruding part used for abutting against the rear end face of the sliding sleeve, and the upper end of the lever block is bent to extend to form a driving pressing strip.

Preferably, the outer wall of the outer sleeve is provided with an installation jack for inserting the lever block and a pressing strip groove for accommodating the driving pressing strip.

Preferably, the driving assembly adopts a self-locking nut, sleeve threads are arranged on the outer wall of the sliding sleeve, the self-locking nut is sleeved on the sleeve threads in a threaded fit mode, the section of the inner wall of the outer sleeve is a non-circular hole, and the section of the sliding sleeve is matched with the non-circular hole.

Preferably, an operation window for exposing the outer wall of the self-locking nut is formed in the outer wall of the outer sleeve.

Preferably, the end wall central hole is also a non-circular hole, and the section shape of the rear end of the long rod is matched with the end wall central hole.

Preferably, the needle holding forceps head is a deflection angle type forceps head, and an included angle between the inner side wall of the needle holding forceps head and the central axis of the long rod is an obtuse angle.

Preferably, the needle holding forceps head is a right-angle forceps head, and an included angle between the inner side wall of the needle holding forceps head and the central axis of the long rod is a right angle.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has reasonable structure design, compact structure and small occupied space, and can reduce the difficulty of the suture operation of deep tissues of doctors under the condition of small incision; the problem that other suturing instruments cannot be operated by a doctor at a dead angle position is solved; fine operation can be realized, and accurate suturing can be achieved; the incision is not required to be prolonged due to the overlarge volume of the instrument, and the surgical trauma is reduced.

Drawings

FIG. 1 is a schematic view of a first embodiment of a portable needle holder for use with small incision wide angle and depth procedures;

FIG. 2 is a schematic view of a first embodiment of a portable needle holder for use in performing wide angle, deep depth small incision procedures with the outer sleeve removed;

FIG. 3 is a side elevational view of a first embodiment of a portable needle holder for use with a small incision for wide angle and depth operation;

FIG. 4 is a schematic cross-sectional view of a first embodiment of a portable needle holder for performing wide angle and depth small incision procedures with the outer sleeve removed;

FIG. 5 is a schematic structural view of a second embodiment of a portable needle holder for use with small incision wide angle and depth procedures;

FIG. 6 is a schematic view of a second embodiment of a portable needle holder for use in performing wide angle, deep depth small incision procedures with the outer sleeve removed;

FIG. 7 is a schematic cross-sectional view of a second embodiment of a portable needle holder for performing wide angle and depth small incision procedures with the outer sleeve removed;

FIG. 8 is a schematic diagram showing a third embodiment of a needle holder assembly for a portable, operative small incision needle holder that is capable of wide angle and deep operation;

FIG. 9 is a schematic diagram showing a needle holder assembly of a fourth embodiment of a portable needle holder for use with small incision wide angle and deep depth procedures.

In the figure: 1-needle holder assembly, 11-long rod, 12-semi-circular rod, 13-needle holder head, 14-outer inclined wall, 2-telescopic sleeve, 3-front end cap nut, 4-sliding sleeve, 5-lever block, 51-driving pressing bar, 52-bulge, 6-spring, 7-outer sleeve, 71-sleeve end wall, 72-rear end thread sleeve, 73-installation jack, 74-pressing bar groove, 8-lever pin shaft, 9-jaw adjusting nut, 10-tail cap, 100-threading hole, 101-self-locking nut, 102-sleeve thread, 103-operation window.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

A portable operation type suture needle extractor which accords with small incision wide-angle depth operation comprises an outer sleeve 7, a needle holding clamp assembly 1, a telescopic sleeve 2, a front end cover nut 3, a spring 6, a jaw adjusting nut 9 and a driving assembly, wherein the needle holding clamp assembly 1 comprises a long rod 11, a pair of semi-circular rods 12 extended from the front end of the long rod 11 and needle holding clamp heads 13 extended from the front ends of the semi-circular rods 12, a movable gap is reserved between the two needle holding clamp heads 13, a rod body thread section which is in threaded fit connection with the jaw adjusting nut 9 is extended from the rear end of the long rod 11, the telescopic sleeve 2 is movably sleeved on the long rod 11, the front end of the telescopic sleeve 2 abuts against an outer inclined wall 14 of the needle holding clamp heads 13, a sliding sleeve 4 is extended from the rear end of the telescopic sleeve 2, the telescopic sleeve 2 is arranged in the outer sleeve 7 in a penetrating way, a front end opening of the outer sleeve 7 is in threaded fit connection with an external thread sleeve 31 of, the center at front end cap nut 3 is worn to establish by the activity of telescope tube 2, the rear end of outer sleeve 7 is provided with sleeve end wall 71, sets up the end wall centre bore that supplies stock 11 to pass on the sleeve end wall 71, the preceding terminal surface of adjusting nut 9 of keeping silent is contradicted on

sleeve end wall

71, 6 suits of spring are on telescope tube 2, and the one end of spring 6 is contradicted with the preceding terminal surface of sliding sleeve 4, and the other end of spring 6 is contradicted with the 31 terminal surfaces of external screw thread cover of front end cap nut 3, is provided with the drive assembly who is used for promoting sliding sleeve 4 forward movements in the outer sleeve 7.

The compression amount of the spring can be adjusted by rotating the front end cover nut 3; by turning the jaw adjusting nut 9, the initial degree of opening between the two needle-holding forceps heads 13 can be adjusted.

Wherein, the rear end of the sleeve end wall 71 also extends with a rear end thread bush 72, and the rear end thread bush 72 is connected with a tail cover 10 for covering the jaw adjusting nut 9 in a thread fit manner.

Furthermore, the rear end of the tail cover 10 is further provided with a threading hole 100 communicated with the interior of the tail cover 10. The thread hole 100 can be penetrated with a fine thread for facilitating the operation.

In this embodiment, the driving assembly adopts the lever block 5, the lower end side wall of the lever block 5 is connected with the outer sleeve 7 in a rotating fit manner through the lever pin shaft 8, the front end of the lever block 5 extends to form a protruding part 52 for abutting against the rear end face of the sliding sleeve 4, and the upper end of the lever block 5 is bent to form a driving pressing strip 51.

The outer wall of the outer sleeve 7 is provided with an installation insertion hole 73 for inserting the lever block 5 and a pressing strip groove 74 for accommodating the driving pressing strip 51.

The working principle is as follows: through pressing down the drive pressing strip 51, the lever block 5 rotates around the lever pin shaft 8, and then the protrusion 52 pushes the sliding sleeve 4 and the telescopic sleeve 2 to move forwards, and then the front end of the telescopic sleeve 2 extrudes the outer inclined walls 14 of the two needle holding forceps heads 13, so that the two needle holding forceps heads 13 are closed, and the suture needle is locked, after the suture operation is completed, the drive pressing strip 51 is loosened, the sliding sleeve 4 returns to the original position under the action of the spring 6, and the two needle holding forceps heads 13 are opened.

As another embodiment, the driving assembly adopts a self-locking nut 101, the outer wall of the sliding sleeve 4 is provided with a sleeve body thread 102, the self-locking nut 101 is sleeved on the sleeve body thread 102 in a thread fit manner, the cross section of the inner wall of the outer sleeve 7 is a non-circular hole, and the cross section of the sliding sleeve 4 is matched with the non-circular hole. Due to the structural arrangement, the limiting function is achieved, and the sliding sleeve 4 is prevented from rotating along with the self-locking nut 101 and cannot achieve the telescopic function.

An operation window 103 for exposing the outer wall of the self-locking nut 101 is formed on the outer wall of the outer sleeve 7.

The working principle is as follows: at the operation window 103, the self-locking nut 101 is screwed clockwise, so that the sliding sleeve 4 moves forwards along the noncircular hole in the inner wall of the outer sleeve 7, the telescopic sleeve 2 moves forwards, the front end of the telescopic sleeve 2 extrudes the outer inclined walls 14 of the two needle holding forceps heads 13, the two needle holding forceps heads 13 are closed, the suture needle is locked, after the suture operation is completed, the self-locking nut 101 is screwed anticlockwise, the sliding sleeve 4 moves backwards along the noncircular hole in the inner wall of the outer sleeve 7, the telescopic sleeve 2 moves backwards, and the two needle holding forceps heads 13 are opened.

The central hole of the end wall is also a non-circular hole, and the section shape of the rear end of the long rod 11 is matched with the central hole of the end wall. The structural arrangement has a limiting effect, so that the long rod 11 cannot rotate relative to the outer sleeve 7.

As another embodiment, the needle holding forceps head 13 is a declined-angle forceps head, and an included angle between the inner side wall of the needle holding forceps head 13 and the central axis of the long rod 11 is an obtuse angle.

As another embodiment, the needle holding forceps head 13 is a right-angle forceps head, and an included angle between an inner side wall of the needle holding forceps head 13 and a central axis of the long rod 11 is a right angle.

The utility model discloses a preparation flow that portable operation formula accords with the suture needle holder of little incision wide angle depth operation does:

1. after each part is processed, cleaning oil stain by using an ultrasonic cleaner, and then performing final cleaning and drying in the ultrasonic cleaner in a cleaning workshop for later use;

2. spraying silica gel outside the needle holding forceps head for later use;

3. assembling by a fitter in a purification workshop;

4. and debugging the operation function.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a portable operation formula accords with suture needle holder of little incision wide angle depth operation which characterized in that: comprises an outer sleeve (7), a needle holding forceps component (1), a telescopic sleeve (2), a front end cover nut (3), a spring (6), a jaw adjusting nut (9) and a driving component, wherein the needle holding forceps component (1) comprises a long rod (11), a pair of semi-circular rods (12) extending from the front end of the long rod (11) and needle holding forceps heads (13) extending from the front ends of the semi-circular rods (12), a movable gap is reserved between the two needle holding forceps heads (13), a rod body thread section for being in threaded fit connection with the jaw adjusting nut (9) extends from the rear end of the long rod (11), the telescopic sleeve (2) is movably sleeved on the long rod (11), the front end of the telescopic sleeve (2) is abutted against an outer inclined wall (14) of the needle holding forceps heads (13), a sliding sleeve (4) extends from the rear end of the telescopic sleeve (2), and the telescopic sleeve (2) is arranged in the outer sleeve (7) in a penetrating way, the front end opening of outer sleeve (7) is connected with external screw thread cover (31) screw-thread fit of front end cap nut (3), and the center of establishing in front end cap nut (3) is worn in telescope tube (2) activity, the rear end of outer sleeve (7) is provided with sleeve end wall (71), sets up the end wall centre bore that supplies stock (11) to pass on sleeve end wall (71), the preceding terminal surface of adjusting nut (9) of keeping silent is contradicted on sleeve end wall (71), spring (6) suit is on telescope tube (2), and the one end of spring (6) is contradicted with the preceding terminal surface of slip cap (4), and the other end of spring (6) is contradicted with external screw thread cover (31) terminal surface of front end cap nut (3), is provided with in outer sleeve (7) to be used for promoting the drive assembly that slip cap (4) moved forward.

2. A portable, operative suture needle holder conforming to small incision, wide angle and deep procedure, according to claim 1, wherein: the rear end of the sleeve end wall (71) is also extended with a rear end thread sleeve (72), and the rear end thread sleeve (72) is connected with a tail cover (10) which is used for covering the jaw adjusting nut (9) in a thread matching manner.

3. A portable, operative suture needle holder conforming to small incision, wide angle and deep procedure, according to claim 2, wherein: the rear end of the tail cover (10) is also provided with a threading hole (100) communicated with the interior of the tail cover (10).

4. A portable, operative suture needle holder conforming to small incision, wide angle and deep procedure, according to claim 1, wherein: the driving assembly adopts a lever block (5), the side wall of the lower end of the lever block (5) is connected with an outer sleeve (7) in a rotating fit mode through a lever pin shaft (8), a protruding part (52) used for abutting against the rear end face of a sliding sleeve (4) extends from the front end of the lever block (5), and a driving pressing strip (51) is bent and extended from the upper end of the lever block (5).

5. A portable, operative suture needle holder conforming to small incision, wide angle and deep procedure, according to claim 4, wherein: and the outer wall of the outer sleeve (7) is provided with an installation insertion hole (73) for inserting the lever block (5) and a pressing strip groove (74) for accommodating the driving pressing strip (51).

6. A portable, operative suture needle holder conforming to small incision, wide angle and deep procedure, according to claim 1, wherein: the driving assembly adopts a self-locking nut (101), sleeve threads (102) are arranged on the outer wall of the sliding sleeve (4), the self-locking nut (101) is sleeved on the sleeve threads (102) in a thread fit mode, the section of the inner wall of the outer sleeve (7) is a noncircular hole, and the section shape of the sliding sleeve (4) is matched with the noncircular hole.

7. A portable, operative suture needle holder conforming to small incision, wide angle and deep procedure, according to claim 6, wherein: an operation window (103) for exposing the outer wall of the self-locking nut (101) is formed in the outer wall of the outer sleeve (7).

8. A portable, operative suture needle holder for performing wide angle and depth procedures for small incisions according to any one of claims 1 to 7, characterized by: the end wall center hole also adopts a non-circular hole, and the section shape of the rear end of the long rod (11) is matched with the end wall center hole.

9. A portable, operative suture needle holder for performing wide angle and depth procedures for small incisions according to any one of claims 1 to 7, characterized by: the needle holding forceps head (13) is a deflection angle type forceps head, and an included angle between the inner side wall of the needle holding forceps head (13) and the central axis of the long rod (11) is an obtuse angle.

10. A portable, operative suture needle holder for performing wide angle and depth procedures for small incisions according to any one of claims 1 to 7, characterized by: the needle holding forceps head (13) is a right-angle forceps head, and an included angle between the inner side wall of the needle holding forceps head (13) and the central axis of the long rod (11) is a right angle.