CN208769867U

CN208769867U - Down-lead device is used in a kind of suture of wound

Info

Publication number: CN208769867U
Application number: CN201820850187.8U
Authority: CN
Inventors: 杜进龙; 李程; 杨国泰
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-06-04
Filing date: 2018-06-04
Publication date: 2019-04-23
Anticipated expiration: 2028-06-04

Abstract

The utility model relates to medical instrument and apparatus fields, it is proposed a kind of wound suture down-lead device, it is characterized by: the needle core lower end is equipped with threading hole, upper end is equipped with cylindricality and holds head, its cylindricality hold head using outer wall screw thread be equipped with hold headgear, the crochet hook is made of syringe and syringe needle, its syringe inner utilization internal screw thread cartridge type chuck is equipped with thread-rolling screw bar, and thread-rolling screw bar upper end is pierced by syringe, lower end is equipped with the extrusion head that can be pierced by syringe, its syringe needle is inverted cone structure, circular bottom surface is arcwall face, edge is equipped with syringe joining piece, and arcwall face, syringe joining piece and syringe bottom surface form hook wire casing, and the structure of hook wire casing and the structure of extrusion head match.The beneficial effects of the utility model are: sutures are not easy to slide, work efficiency is high.

Description

Down-lead device is used in a kind of suture of wound

Technical field

The utility model relates to medical instrument and apparatus fields, and in particular to down-lead device is used in a kind of suture of wound.

Background technique

Operation refers to the treatment such as excision, suture that doctor carries out patient body with medical instrument.With knife, cut, the instruments such as needle In the operation that body local carries out, to maintain the health of patient.It is the primary treatments of surgery, is commonly called as " operating on ", it is therefore an objective to It cures or diagnoses the illness, such as removal pathological tissues, the function and form of repairing damage, transplant organ, improvement body.

It is well known that clinically either simple small-sized operation or the major operation of complexity, all can't do without tissue and cuts The operation of open, stop blooding, suture, ligature etc..It, need to be with operation sewing needle to operation at present in having implemented surgical suturing process The edge of a knife is sutured.The basic principle of suture is exactly soft tissue reset, fixation, it is necessary to level is pressed, with the accurate pairing of layer tissue；It is deep It is shallow suitable, do not stay dead space；Elastic suitable, too tight to influence blood fortune, too loose influence healing reduces bleeding, reduction wound to reach The tension at both ends promotes healing, reduces the purpose of infection.

Currently, the suture of wound mostly uses greatly sewing needle manual suture, the down-lead device in existing public technology is divided into Two large divisions: needle core and crochet hook, and crochet hook is made of shank and sleeve, and sutures are realized under the cooperation of needle core and crochet hook It connects, completes the suture of wound.But still remain some disadvantages: crochet hook is during hook draws sutures, sutures It is easy to slide, causes trouble to sewing work, so that working efficiency is relatively low.

Utility model content

The purpose of this utility model is to propose a kind of sutures not for problems of the prior art described above It easily slides, down-lead device is used in the wound suture that work efficiency is high.

To achieve the above object, the technical solution that the utility model is taken is as follows:

A kind of wound suture down-lead device, including needle core 1 and crochet hook 2, it is characterised in that: 1 lower end of needle core is set Have a threading hole 3, upper end is equipped with cylindricality and holds first 4, and cylindricality, which is held first 4 and is equipped with using the screw thread of outer wall, holds headgear 5, the crochet hook 2 by Syringe 6 and syringe needle 7 form, and 6 inner utilization internal screw thread cartridge type chuck 8 of syringe is equipped with thread-rolling screw bar 9, and thread-rolling screw bar 9 Upper end is pierced by syringe 6, and lower end is equipped with the extrusion head 10 that can be pierced by syringe 6, and syringe needle 7 is inverted cone structure, and circular bottom surface is arc Shape face, edge is equipped with syringe joining piece 11, and arcwall face, syringe joining piece 11 and 6 bottom surface of syringe form hook wire casing 12, and The structure of hook wire casing 12 and the structure of extrusion head 10 match.

The upper end of the thread-rolling screw bar 9 is equipped with pole cap 13.

The length of the thread-rolling screw bar 9 is greater than the length of syringe 6, and the length difference of thread-rolling screw bar 9 and syringe 6 is extremely It is greater than the length of extrusion head 10 less.

The diameter of the threading hole 3 of the needle core 1 is greater than the diameter of sutures 14.

Compared with prior art, the utility model has the beneficial effects that

(1) in needle core upper end, setting cylindricality holds head, can clamp one end of sutures using headgear is held, avoid crochet hook hook hand The landing at end when art suture.Moreover, the setting that cylindricality holds head is also conducive to hold needle core.

(2) using the crochet hook being made of syringe and syringe needle, and internal screw thread cartridge type chuck is utilized in the syringe of hollow structure Thread-rolling screw bar is set, so that the extrusion head that the sutures for hooking hook wire casing are extruded threaded rod compresses, avoids sutures It is slid from hook wire casing.

(3) during needle core binding and crochet hook hook line, the equal good control sutures of energy, so that it is not easy to slide It falls, and then greatly improves work efficiency.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the needle core of the utility model.

Fig. 2 is the structural schematic diagram of the crochet hook of the utility model.

Fig. 3 is schematic diagram when the utility model is implemented.

In figure: needle core 1, crochet hook 2, threading hole 3, cylindricality hold first 4, hold headgear 5, syringe 6, syringe needle 7, internal screw thread cartridge type chuck 8, thread-rolling screw bar 9, extrusion head 10, syringe joining piece 11, hook wire casing 12, pole cap 13, sutures 14.

Specific embodiment

To enable those skilled in the art to better understand the utility model, below in conjunction with drawings and examples pair The technical solution of the utility model carries out further description.

As shown in Figure 1,2 and 3, in the embodiments of the present invention, a kind of wound suture down-lead device, including needle Core 1 and crochet hook 2,1 lower end of needle core are equipped with threading hole 3, and upper end is equipped with cylindricality and holds first 4, and cylindricality holds first 4 spiral shells for utilizing outer wall Line is equipped with and holds headgear 5, and the crochet hook 2 is made of syringe 6 and syringe needle 7, and 6 inner utilization internal screw thread cartridge type chuck 8 of syringe is equipped with Thread-rolling screw bar 9, and 9 upper end of thread-rolling screw bar is pierced by syringe 6, lower end is equipped with the extrusion head 10 that can be pierced by syringe 6, syringe needle 7 For inverted cone structure, circular bottom surface is arcwall face, and edge is equipped with syringe joining piece 11, and arcwall face, syringe joining piece 11 and needle 6 bottom surfaces of cylinder form hook wire casing 12, and the structure of hook wire casing 12 and the structure of extrusion head 10 match.

The upper end of the thread-rolling screw bar 9 is equipped with pole cap 13.

The specific working principle of the utility model is as follows:

When in use, one end of sutures 14 is first passed through to the threading hole 3 of needle core 1, the other end passes through and holds headgear 5, and It 5 spiral of headgear will be held is screwed in cylindricality and hold on first 4, the fixation of so achievable 14 one end of sutures.Because sutures 14 Diameter is screwed into generally all in the several millimeters of zero point so will not influence to hold headgear 5 and hold first 4 toward cylindricality.Then, needle core 1 is pricked Crochet hook 2 is penetrated another side of wound by a side for entering wound, and movable crochet hook 2 is hooked using the hook wire casing 12 of syringe needle 7 at this time Sutures 14, and rotate thread-rolling screw bar 9 and its extrusion head 10 is held out against in hook wire casing 12, reach and compresses sutures 14 Purpose.Then, slowly twitch crochet hook 2 is until extract wound side out outward, and sutures 14 at this time only have one end can be movable, i.e., Exactly slowly it is extracted from the threading hole 3 of needle core 1.Finally, one end of sutures 14 is located at wound side, the other end is located at Headgear 5 is held at this point, backing out in the wound other side, extracts needle core 1 out, knots to the both ends of sutures 14.

In above process, in order to which extrusion head 10 normally plays a role, so that the length of thread-rolling screw bar 9 is greater than syringe 6 length, and the length difference of thread-rolling screw bar 9 and syringe 6 is at least more than the length of extrusion head 10.

In 1 upper end of needle core, setting cylindricality holds first 4, can clamp one end of sutures 14 using headgear 5 is held, avoid crochet hook 2 The landing at end when hook sutures 14.Moreover, the setting that cylindricality holds first 4 is also conducive to hold needle core 1.Using by syringe 6 and needle The crochet hook 2 of first 7 composition, and thread-rolling screw bar 9 is set using internal screw thread cartridge type chuck 8 in the syringe of hollow structure 6, so that hook The sutures 14 for entering hook wire casing 12 are extruded the compression of extrusion head 10 of threaded rod 9, avoid sutures 14 from hook wire casing 12 It slides.During 2 hook line of 1 binding of needle core and crochet hook, the equal good control sutures 14 of energy, so that it is not easy to slide, And then it greatly improves work efficiency.

It is that a kind of wound suture provided by the utility model is described in detail with down-lead device above, it is specific real Example is applied to be served only for helping to understand the technical solution of the utility model and core concept.It should be pointed out that for the art Technical staff for, without departing from the principle of this utility model, can to the utility model carry out it is several modification and It improves, these modifications and improvement will also fall into the protection scope of the utility model.

Claims

1. a kind of wound suture down-lead device, including needle core (1) and crochet hook (2), it is characterised in that: under the needle core (1) End be equipped with threading hole (3), upper end be equipped with cylindricality hold head (4), cylindricality hold head (4) using outer wall screw thread be equipped with hold headgear (5), The crochet hook (2) is made of syringe (6) and syringe needle (7), and syringe (6) inner utilization internal screw thread cartridge type chuck (8), which is equipped with, to be squeezed Threaded rod (9), and thread-rolling screw bar (9) upper end is pierced by syringe (6), lower end is equipped with the extrusion head (10) that can be pierced by syringe (6), Syringe needle (7) is inverted cone structure, and circular bottom surface is arcwall face, and edge is equipped with syringe joining piece (11), and arcwall face, syringe are connected Piece (11) and syringe (6) bottom surface form hook wire casing (12), and the structure phase of the structure of hook wire casing (12) and extrusion head (10) Matching.

2. a kind of wound suture down-lead device according to claim 1, it is characterised in that: the thread-rolling screw bar (9) upper end is equipped with pole cap (13).

3. a kind of wound suture down-lead device according to claim 1, it is characterised in that: the thread-rolling screw bar (9) length is greater than the length of syringe (6), and the length difference of thread-rolling screw bar (9) and syringe (6) is at least more than extrusion head (10) length.

4. a kind of wound suture down-lead device according to claim 1, it is characterised in that: needle core (1) is worn The diameter of string holes (3) is greater than the diameter of sutures (14).