CN213406153U

CN213406153U - Arc-shaped needle holder with adjustable holding head

Info

Publication number: CN213406153U
Application number: CN202020800176.6U
Authority: CN
Inventors: 王启林; 张国颖; 赵斌; 杨宏; 李瑞乾; 白宇; 胡辰; 李俊; 吴弘毅; 江海洋
Original assignee: Third Affiliated Hospital of Kunming Medical University
Current assignee: Third Affiliated Hospital of Kunming Medical University
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-06-11
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses an arc needle holder with adjustable holding head, which comprises a tube body, a holding sleeve, a main forceps handle, an auxiliary forceps handle, a holding head and a push rod; the holding head is arranged at the head end of the pipe body, the holding sleeve is arranged at the tail end of the pipe body, the main plier handle is connected with the holding sleeve, the auxiliary plier handle is hinged with the main plier handle through a pin shaft, and the push rod is arranged inside the pipe body; the end of the holding sleeve far away from the tube body is provided with a hollow screw tube, and the outer wall of the screw tube is provided with a screw sleeve through threads; the main plier handle is connected with the holding sleeve, the end of the auxiliary plier handle, which is close to the holding sleeve and connected with the main plier handle, is provided with a clamping groove, and a sliding block is arranged in the clamping groove; the push rod is provided with a convex ring, and a spring sleeved on the push rod is arranged between the convex ring and the holding sleeve; the convex strip is matched and connected with the driven groove; the holding head comprises a main clamp and an auxiliary clamp, and the auxiliary clamp is rotatably connected with the U-shaped clamping part through a connecting shaft; the needle head can be rotated in the minimally invasive surgery to adapt to the surgery operation at different angles.

Description

Arc-shaped needle holder with adjustable holding head

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to arc needle holder with adjustable holding head.

Background

The needle holder is a common medical product and is often used in surgical operations, the existing needle holder is generally similar to a scissors device, the head of the existing needle holder is clamped by a scissors lever principle, the existing needle holder is commonly used in the minimally invasive surgery, the structure of the existing endoscope needle holder has the common characteristics of a rigid rod-shaped structure, the head of the existing endoscope needle holder cannot rotate, the head of the existing endoscope needle holder cannot form a satisfactory angle with tissues to be treated, and the surgical operation is difficult to complete.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, designed an adjustable type arc needle holder of holding head, can rotate in minimal access surgery and hold the syringe needle, adapted to the operation of different angles.

In order to solve the above technical problem and achieve the above technical effect, the utility model discloses a following technical content realizes:

an arc needle holder with an adjustable holding head comprises a tube body, a holding sleeve, a main forceps handle, an auxiliary forceps handle, a holding head and a push rod; the holding head is arranged at the head end of the pipe body, the holding sleeve is arranged at the tail end of the pipe body, the main plier handle is connected with the holding sleeve, the auxiliary plier handle is hinged with the main plier handle through a pin shaft, and the push rod is arranged inside the pipe body;

the holding sleeve is cylindrical, a channel is arranged in the center of the holding sleeve, a hollow screw pipe is arranged at the end of the holding sleeve far away from the pipe body, and a screw sleeve is arranged on the outer wall of the screw pipe through threads; convex strips are symmetrically arranged on the inner wall of the threaded sleeve; the end of the auxiliary forceps handle, which is close to the holding sleeve and connected with the main forceps handle, is provided with a clamping groove, and a sliding block is arranged in the clamping groove; one end of the push rod penetrates through a channel in the center of the holding sleeve to be movably connected with the slide block, driven grooves are symmetrically formed in the outer wall of the push rod, a U-shaped clamping portion is arranged at the other end of the push rod, a convex ring is arranged at a position, close to the connecting position of the pipe body and the holding sleeve, of the push rod, and a spring sleeved on the push rod is arranged between the convex ring and the holding sleeve; the convex strip is connected with the driven groove in a matched manner; the holding head comprises a main clamp and an auxiliary clamp, a hollow cylindrical adapter sleeve with openings at two ends is arranged at the rear end of the main clamp, sliding grooves are symmetrically arranged on the adapter sleeve, the auxiliary clamp is arranged on the main clamp through a rotating shaft to form a clamp shape, and a circular turntable is arranged at the rear end of the auxiliary clamp; the rotary disc is rotatably connected with the U-shaped clamping part through a connecting shaft.

Furthermore, the rotating shaft is arranged perpendicular to the sliding groove, the main clamp and the auxiliary clamp are both arc-shaped, and anti-skid stripes are arranged on the opposite end faces of the main clamp and the auxiliary clamp.

Furthermore, the height of the thread of the inner wall of the threaded sleeve is half of the height of the threaded sleeve, and the raised line is arranged on the inner wall of the threaded sleeve without the thread.

Further, hold the head and be connected with the body rotation.

The utility model has the advantages that:

1. the head holding angle of the needle holder can be rotated in vivo to adapt to suturing at different positions, and the doctor can suture more conveniently and more labor-saving by rotating the head holding angle.

2. The rotating angle of the holding head is accurate when the holding head rotates, and the fine adjustment of the angle of the holding head can be realized, so that the position of the holding head is more suitable for the suture of the wound.

3. The main clamp and the auxiliary clamp on the holding head are both arc-shaped and can better clamp the suture needle, so that the suture needle can be better clamped, the suture needle clamping device is suitable for a smaller operation space, and the main clamp and the auxiliary clamp are provided with anti-skidding stripes so that the suture needle can be clamped more stably.

4. The position of the holding head is fixed by the threaded sleeve after the angle of the holding head is adjusted, the operation is simple, and the adjustment of the angle of the holding head is more convenient and faster.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of an adjustable head-holding type arc needle holder of the present invention;

FIG. 2 is a schematic view of a structure of a push rod of an adjustable head-holding arc needle holder of the present invention;

FIG. 3 is a schematic view of a thread insert structure of an adjustable head-holding arc needle holder of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-pipe body, 2-holding sleeve, 3-holding head, 301-adapter sleeve, 302-main clamp, 303-auxiliary clamp, 304-sliding groove, 4-push rod, 401-convex ring, 402-U-shaped clamping part, 403-driven groove, 5-main clamp handle, 6-auxiliary clamp handle, 601-clamping groove, 602-sliding block, 7-pin shaft, 8-solenoid, 9-screw sleeve, 901-convex strip and 10-spring.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a head-holding adjustable arc needle holder comprises a tube body 1, a holding sleeve 2, a main forceps handle 5, an auxiliary forceps handle 6, a holding head 3 and a push rod 4; the holding head 3 is arranged at the head end of the pipe body 1, the holding sleeve 2 is arranged at the tail end of the pipe body 1, the main clamp handle 5 is connected with the holding sleeve 2, the auxiliary clamp handle 6 is hinged with the main clamp handle 5 through a pin shaft 7, and the push rod 4 is arranged inside the pipe body 1;

the holding sleeve 2 is cylindrical, a channel is arranged in the center of the holding sleeve 2, a hollow screw pipe 8 is arranged at the end of the holding sleeve 2 far away from the pipe body 1, and a screw sleeve 9 is arranged on the outer wall of the screw pipe 8 through threads; the inner wall of the screw sleeve 9 is symmetrically provided with convex strips 901; the main forceps handle 5 is connected with the holding sleeve 2, the end of the auxiliary forceps handle 6, which is close to the holding sleeve 2 and connected with the main forceps handle 5, is provided with a clamping groove 601, and a sliding block 602 is arranged in the clamping groove 601; one end of the push rod 4 penetrates through a channel in the center of the holding sleeve 2 to be movably connected with the sliding block 602, driven grooves 403 are symmetrically formed in the outer wall of the push rod 4, a U-shaped clamping portion 402 is formed in the other end of the push rod 4, a convex ring 401 is arranged at a position, close to the connecting position of the tube body 1 and the holding sleeve 2, and a spring 10 sleeved on the push rod 4 is arranged between the convex ring 401 and the holding sleeve 2; the convex strip 901 is matched and connected with the driven groove 403; the holding head 3 comprises a main clamp 302 and an auxiliary clamp 303, a hollow cylindrical adapter sleeve 301 with openings at two ends is arranged at the rear end of the main clamp 302, sliding grooves 304 are symmetrically arranged on the adapter sleeve 301, the auxiliary clamp 303 is arranged on the main clamp 302 through a rotating shaft to form a clamp shape, and a circular turntable is arranged at the rear end of the auxiliary clamp 303; the turntable is rotatably connected with the U-shaped clamping part 402 through a connecting shaft.

The rotating shaft is arranged perpendicular to the sliding groove 304, the main clamp 302 and the auxiliary clamp 303 are both arc-shaped, and anti-skid stripes are arranged on the opposite end faces of the main clamp 302 and the auxiliary clamp 303.

The height of the thread of the inner wall of the threaded sleeve 9 is half of the height of the threaded sleeve 9, and the raised line 901 is arranged on the inner wall of the threaded sleeve 9 without the thread.

The holding head 3 is rotatably connected with the pipe body 1.

For a clearer description of the present invention, the following description is made with reference to specific embodiments:

examples

The utility model relates to a concrete application when holding adjustable type arc needle holder uses is: when the needle holder is placed in a body to reach a suturing position in use, the auxiliary clamp handle is pinched to move towards the main clamp handle to pull the push rod to move towards a direction far away from the holding sleeve, the push rod moves to pull the auxiliary clamp to rotate towards the main clamp direction to clamp the suturing needle for suturing, the auxiliary clamp handle is pinched to move towards the main clamp handle to press the spring when the push rod is pulled, and the spring is restored to push the push rod to make the main clamp and the auxiliary clamp move towards opposite directions when the auxiliary clamp handle is released; when the direction of the holding head needs to be rotated, the rotating threaded sleeve moves up and down along the threaded pipe, the convex strip in the threaded sleeve is matched with the driven groove on the push rod to drive the push rod to rotate, and the rotation of the push rod enables the holding head to rotate and be suitable for different clamping positions; the screw sleeve and the screw pipe are matched to adjust the position of the holding head, fine adjustment can be performed through the screw thread, the push rod is fixed through the threaded connection relationship after adjustment is completed, and operation is simple.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An adjustable arc needle holder of head, its characterized in that: comprises a tube body, a holding sleeve, a main forceps handle, an auxiliary forceps handle, a holding head and a push rod; the holding head is arranged at the head end of the pipe body, the holding sleeve is arranged at the tail end of the pipe body, the main plier handle is connected with the holding sleeve, the auxiliary plier handle is hinged with the main plier handle through a pin shaft, and the push rod is arranged inside the pipe body;

2. The adjustable head-holding arc needle holder of claim 1, wherein: the rotating shaft is arranged perpendicular to the sliding groove, the main clamp and the auxiliary clamp are both arc-shaped, and anti-slip stripes are arranged on the opposite end faces of the main clamp and the auxiliary clamp.

3. The adjustable head-holding arc needle holder of claim 1, wherein: the thread height of the inner wall of the thread insert is half of the height of the thread insert, and the raised line is arranged on the inner wall of the thread insert without threads.

4. The adjustable head-holding arc needle holder of claim 1, wherein: the holding head is rotatably connected with the pipe body.