CN219700009U

CN219700009U - Needle holder

Info

Publication number: CN219700009U
Application number: CN202320280412.XU
Authority: CN
Inventors: 钱新烨; 闫军
Original assignee: Lianyungang Yi'an Pharmaceutical Co ltd
Current assignee: Lianyungang Yi'an Pharmaceutical Co ltd
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-09-19
Anticipated expiration: 2033-02-22

Abstract

The utility model provides a needle holder, and belongs to the field of laparoscopic surgical instruments. Aiming at the problems that the current laparoscopic needle holder is inconvenient to adjust the angle of a suture needle and the operation of changing the angle of the suture needle is inconvenient by independently adjusting a bending component, the utility model comprises a hollow sleeve, a clamping part and a holding part, wherein the clamping part is connected at one end of the hollow sleeve, the holding part is connected at one end of the hollow sleeve far away from the clamping part, the holding part is connected with the clamping part through an adjusting part, the holding mode is changed according to the direction of a suture wound during operation, the holding part is matched with a traction rod through a pressing rod, a steel wire is pulled to enable a movable clamp connected at the front end to be opened or closed with a fixed clamp, and a buckle at the inner side of a conical grab handle is matched with a clamping groove to adjust the clamping state of the movable clamp and the fixed clamp. Compared with the traditional needle holder, the utility model has the advantages of simple structure, simplicity, convenience and accuracy in changing the angle of holding the suture needle, and suitability for rapid suture of tissue wounds in all directions under laparoscope.

Description

Needle holder

Technical Field

The utility model belongs to the field of laparoscopic surgical instruments, and particularly relates to a needle holder.

Background

The laparoscopic surgery is a newly developed minimally invasive surgery completed by modern high-tech medical technology by using advanced equipment principles such as electronics, optics and the like, has small disturbance to the abdominal viscera, avoids the stimulation and pollution of dust bacteria in the air and the air to the abdominal cavity, has the advantages of small trauma, less pain of patients, easy recovery of the surgical process and the postoperative, and the like, is the most advanced and most sophisticated minimally invasive technology at present, and has been attracting more attention in treating surgical diseases.

The laparoscopic surgery is performed by opening a hole in the abdomen of a human body to be used as a surgery operation port and then performing operation in the abdominal cavity through medical equipment, wherein one of the used medical equipment is a needle holder, most of the existing needle holders adopt scissor-type handles, namely medical staff penetrate the handles through thumbs and forefingers to hold the handles, such as a needle holder used under the laparoscope with the publication number of CN202211723U, which comprises a main clamp, a fixed pipe sleeve and an operation handle, and the opening and closing of the main clamp are controlled through the operation handle arranged at the rear end of the fixed pipe sleeve; for another example, the publication number is CN106073838A, and the name is a needle holder used under a laparoscope, which comprises a clamp rod, a clamp mouth, a clamp handle, a clamping component, a bending component and a clamping component, wherein the clamping component is arranged on the clamp mouth and the clamp handle and is used for controlling the opening and closing of the clamp mouth, the bending component is arranged on the clamp rod and is used for bending the clamp mouth relative to the clamp rod, and the clamping component is arranged on the clamp handle and is used for controlling the clamp mouth to firmly clamp the suture needle.

The prior art still adopts a scissor type holding mode, although the adjustment of the jaw angle in the sewing process can be realized, the following problems still exist in the actual operation of medical staff: the angle of the clamp mouth is changed by controlling the bending component arranged in the middle of the clamp rod, so that the angle for clamping the suture needle is changed, but medical staff can have other medical instruments in hands during operation, and the bending component at the front end is inconvenient to adjust continuously; in addition, the snap-in clamp assembly employed, once clamped, requires release of the snap-in clamp to release the jaws, which can cause significant inconvenience to laparoscopic procedures requiring substantial adjustment of the suture needle orientation.

Disclosure of Invention

In view of the above-mentioned problems in the prior art, the present utility model provides a needle holder, which can conveniently adjust the holding mode according to the actual suturing angle of the operator, so as to improve the operability of suturing tissues in different directions.

Through setting up cavity sleeve pipe, jaw portion and gripping portion, jaw portion establishes in cavity sheathed tube one end, and the gripping portion is established at cavity sheathed tube other end, is connected through adjustment portion between jaw portion and the gripping portion, and buckle and draw-in groove that the inboard center of gripping portion set up mutually support, can make the gripping portion control the opening and shutting of jaw portion through traction adjustment portion, set up the gripping portion into a toper grab handle simultaneously, can change the mode of gripping in real time as required when conveniently gripping to this reaches the purpose of adjusting centre gripping stitch angle according to the direction of different wounds. The utility model has reasonable structural arrangement and simple and convenient operation, and is suitable for rapid suturing of various tissue wounds under laparoscope.

The technical purpose of the utility model is realized by the following technical means:

the utility model provides a needle holder, includes cavity sleeve pipe, pincers clamp portion and gripping portion, and pincers clamp portion connects in cavity sleeve pipe's one end, and gripping portion connects the one end that keeps away from pincers clamp portion at cavity sleeve pipe, connects through adjustment portion between gripping portion and the pincers clamp portion, pulls adjustment portion control pincers clamp portion's opening and shutting through pressing the gripping portion.

In order to achieve the above object, further, the jaw portion includes a fixed clip and a movable clip, the fixed clip is provided on the hollow sleeve, and the movable clip is connected with the hollow sleeve through the adjusting portion.

In order to enable the movable clamp to be movably connected to the hollow sleeve, the front end of the hollow sleeve is provided with a through groove, and the movable clamp is clamped at the through groove.

In order to facilitate the control of the opening and closing of the movable clamp, further, the adjusting part comprises an adjusting rod and a steel wire, the adjusting rod is connected to the movable clamp, one end of the steel wire is connected to the adjusting rod, and the other end of the steel wire is connected with the holding part.

In order to facilitate the holding and the operation of the holding part, the holding part is a conical grab handle, the center of the conical grab handle is provided with a center rod, the center rod is connected with the hollow sleeve, and the center rod is provided with a chute.

Further, the conical grab handle further comprises two pressing rods and two traction rods, the two pressing rods and the two traction rods are symmetrically arranged on two sides of the central rod, one ends of the two traction rods are respectively and correspondingly connected to the inner sides of the two pressing rods, the other ends of the two traction rods are located in the sliding groove, and one ends of the two traction rods located in the sliding groove are mutually hinged.

Further, the steel wire is connected with the below of one side traction rod, and in two pressing rods, one inner side is provided with a buckle, the other corresponding position is provided with a clamping groove, and the buckle is matched with the clamping groove to be used for locking the two pressing rods.

By adopting the technical scheme, the utility model has the beneficial effects that:

1. the conical grab handle comprises the pressing rod and the traction rod, the traction rod is enabled to slide backwards by pressing the pressing rod on the conical grab handle, and the steel wire connected to the traction rod drives the movable clamp connected with the front end of the steel wire, so that the movable clamp and the fixed clamp are opened or closed.

2. The structure of the conical grab handle not only can be used for holding suture, but also can be used for holding pen suture, and the holding mode can be conveniently and rapidly switched, so that the clamping angle of the clamping jaw part can be adjusted, and a surgeon can conveniently perform operation of suturing wounds in various directions under a laparoscope.

3. The buckle is arranged in the conical grab handle, and can be clamped in the clamping groove by applying force to the two pressing rods, so that the movable clamp and the fixed clamp the suture needle and then are closed; the two pressing rods are pressed again, and the buckle breaks away from the clamping groove to enable the movable clamp and the fixed clamp to open and loosen the stitching needle, so that the stitching needle clamping/loosening operation can be conveniently and rapidly switched.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required in the description of the embodiments will be briefly described below, in which the drawings are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of a needle holder of the present utility model;

FIG. 2 is an enlarged detail view of the jaw of the present utility model;

FIG. 3 is a schematic diagram of the connection relationship of the movable clamp of the present utility model;

FIG. 4 is a schematic view of the structure of the grip portion of the present utility model;

FIG. 5 is an enlarged detail view of the pull rod stage clasp of the grip of the present utility model;

in the figure, 1. A hollow sleeve; 2. a jaw portion; 21. a fixing clamp; 22. a movable clamp; 221. a notch; 3. a grip portion; 31. a conical grab handle; 32. a central rod; 321. a chute; 33. pressing a pressing rod; 331. rectangular grooves; 332. a non-slip sheet; 34. a pulling rod; 35. a buckle; 36. a clamping groove; 4. an adjusting part; 41. an adjusting rod; 42. a steel wire; 5. and a pin shaft.

Description of the embodiments

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments, not all embodiments.

Referring to fig. 1-5, the present utility model proposes a needle holder, comprising a hollow cannula 1, a clamping portion 2 and a holding portion 3, wherein the total length of the hollow cannula 1 is about 20cm, all components are made of stainless steel, the clamping portion 2 is connected to the front end of the hollow cannula 1, the holding portion 3 is connected to the rear end of the hollow cannula 1, the holding portion 3 is connected with the clamping portion 2 through an adjusting portion 4, the adjusting portion 4 is installed inside the front end of the hollow cannula 1, and the opening and closing of the front end clamping portion 2 is controlled by pressing the holding portion 3 to pull the adjusting portion 4.

The present utility model does not require any improvement in the jaw portion 2, and may be configured by a manner in which the fixed clip 21 and the movable clip 22 are engaged as shown in fig. 3, or may be configured by a manner in which a conventional double movable jaw is provided at the front end of the hollow sleeve 1, and any structure that can be connected to the front end of the hollow sleeve 1 in a reasonable manner is included in the scope of the present utility model. Specifically, the front ends of the fixed clamp 21 and the movable clamp 22 are both in a round shape, so that the fixed clamp is safe in operation, the front surfaces of the fixed clamp 21 and the movable clamp 22 are both in an inward concave arc shape, the fixed clamp 21 is integrally formed at the front end of the hollow sleeve 1, a through groove with the length of about 2cm is formed at the front end of the hollow sleeve 1, and the movable clamp 22 is clamped at the through groove and connected with the hollow sleeve 1; in order to enable the movable clamp 22 to be opened or closed, the movable clamp 22 is connected to the front end of the hollow sleeve 1 through the adjusting part 4, the adjusting part 4 comprises an adjusting rod 41 and a steel wire 42, a notch 221 is formed in the rear side face of the movable clamp 22, the adjusting rod 41 is hinged in the notch 221 of the movable clamp 22 through a pin shaft 5, the steel wire 42 is fixedly connected to one end, far away from the movable clamp 22, of the adjusting rod 41, and the adjusting rod 41 is pulled through the steel wire 42 to enable the movable clamp 22 to be closed with the fixed clamp 21.

As shown in fig. 4-5, in order to make the holding part 3 convenient to hold and operate, the holding part 3 is configured as a tapered handle 31, the tapered handle 31 is connected with the rear end of the hollow sleeve 1, the tapered handle 31 includes two pressing rods 33 and two pulling rods 34, in order to increase friction at the hand holding position of the medical staff, anti-slip sheets 332 are fixed on the outer sides of the two pressing rods 33, the two pulling rods 34 are respectively and correspondingly connected on the inner sides of the two pressing rods 33, a center rod 32 is arranged at the center position of the tapered handle 31, the two pressing rods 33 and the two pulling rods 34 are respectively and symmetrically arranged on two sides of the center rod 32, specifically, as shown in fig. 4, a chute 321 is formed in the middle of the center rod 32, a rectangular groove 331 is formed on the inner side of the pressing rods 33, the upper ends of the two pulling rods 34 are respectively hinged in the corresponding rectangular grooves 331, the lower ends of the two pulling rods 34 are mutually hinged and then located in the chute 321, when the two pressing rods 33 are pressed, the two pulling rods 34 can be changed in position through rotation, the other ends of one pulling rods 34 are connected with the other ends 42, and the two pulling rods are moved to the front ends of the two pulling rods 22 through the steel wire rods 22, so that the two pulling rods are fixed and the front ends of the two pulling rods are clamped to be moved to the front, and the pulling rods are fixed, and the two pulling rods are moved, and the positions are fixed.

In order to achieve the state that the movable clamp 22 with the front end closed is kept closed when the pressing rod 33 is pressed, as shown in fig. 5, in the two pulling rods 34, a buckle 35 is arranged at the inner side of one pulling rod 34, the front end of the buckle 35 is a clamping hook, a clamping groove 36 is arranged at the corresponding position of the inner side of the other pulling rod 34, the clamping hook of the buckle 35 passes through a sliding groove 321 on the central rod 32 to clamp the clamping groove 36 by applying force to the two pressing rods 33, so that the closed state of the movable clamp 22 and the fixed clamp 21 at the front end of the hollow sleeve 1 is kept, and the pressing rod 33 is again applied to enable the buckle 35 to be separated from the clamping groove 36, so that the movable clamp 22 and the fixed clamp 21 are opened.

The specific use process and principle of the needle holder of the utility model are as follows: when medical staff performs operation, the front end 10-15 cm of the hollow sleeve 1 of the needle holder stretches into the laparoscope, a holding mode is selected in a targeted manner according to the trend of a wound of a patient (holding mode is adopted when the wound is longitudinal, pen holding mode is adopted when the wound is transverse), when a suture needle needs to be clamped, two traction rods 34 on the inner side of the needle holder are tightened through a rotating angle and a hinging position of the lower end by pressing the pressing rods 33 on two sides of the conical grab handle 31, then a steel wire 42 connected below the traction rods 34 is pulled, the other end of the steel wire 42 pulls an adjusting rod 41, and a movable clamp 22 hinged with the steel wire is pulled through the adjusting rod 41, so that the movable clamp 22 and a fixed clamp 21 are in a closed state; when the clamp is pressed lightly, the buckle 35 cannot be clamped in the opposite clamping groove 36, when the fixed clamp 21 and the movable clamp 22 are required to be kept in a closed state, the pressing rods 33 on two sides can be pressed forcefully to enable the buckle 35 and the clamping groove 36 to be buckled, and the pressing rods 33 are applied forcefully again to enable the buckle 35 to be separated from the clamping groove 36, so that the fixed clamp 21 and the movable clamp 22 are opened, and medical staff can conveniently and rapidly suture wounds in different directions by changing the holding mode.

It should be understood that the above detailed description of the embodiments of the utility model, as presented in the figures, is intended to be illustrative of the utility model only and is not intended to limit the scope of the utility model as claimed, but is intended to represent only selected embodiments of the utility model. Based on the embodiments of the present utility model, some insubstantial modifications and adjustments made by those of ordinary skill in the art from the above disclosure are within the scope of the utility model.

Claims

1. The utility model provides a needle holder, its characterized in that includes cavity sleeve pipe (1), jaw portion (2) and gripping portion (3), and jaw portion (2) connect the one end at cavity sleeve pipe (1), and the one end of jaw portion (2) is kept away from in cavity sleeve pipe (1) is connected to gripping portion (3), is connected through adjustment portion (4) between gripping portion (3) and jaw portion (2), pulls adjustment portion (4) through pressing and controls the opening and shutting of jaw portion (2).

2. Needle holder according to claim 1, characterized in that the jaw part (2) comprises a fixed clamp (21) and a movable clamp (22), the fixed clamp (21) is arranged on the hollow cannula (1), and the movable clamp (22) is connected with the hollow cannula (1) through the adjusting part (4).

3. Needle holder according to claim 2, characterized in that the front end of the hollow cannula (1) is provided with a through slot (11) for clamping a movable clip (22).

4. A needle holder according to claim 3, characterized in that the adjustment part (4) comprises an adjustment lever (41) and a wire (42), the adjustment lever (41) being connected to the movable clamp (22), one end of the wire (42) being connected to the adjustment lever (41) and the other end being connected to the grip part (3).

5. Needle holder according to claim 4, characterized in that the grip part (3) is a conical grip (31), the centre of the conical grip (31) is provided with a centre rod (32), the centre rod (32) is connected with the hollow cannula (1), and the centre rod (32) is provided with a chute (321).

6. The needle holder according to claim 5, wherein the tapered grip (31) further comprises two pressing rods (33) and two pulling rods (34), the two pressing rods (33) and the two pulling rods (34) are symmetrically arranged on two sides of the central rod (32), one ends of the two pulling rods (34) are respectively correspondingly connected to the inner sides of the two pressing rods (33), and the other ends of the two pulling rods are both positioned in the sliding groove (321).

7. A needle holder according to claim 6, characterized in that the ends of the two drag links (34) located in the runner (321) are hinged to each other.

8. A needle holder according to claim 6, characterized in that the wire (42) is connected to one of the drag links (34).

9. Needle holder according to claim 6, characterized in that in the two pressing bars (33), one of the inner sides is provided with a catch (35) and the other corresponding position is provided with a catch groove (36), the catch (35) cooperating with the catch groove (36) for locking the two pressing bars (33).