CN218943440U

CN218943440U - Multi-claw clamping arm for minimally invasive surgery

Info

Publication number: CN218943440U
Application number: CN202223332104.1U
Authority: CN
Inventors: 王海鹰
Original assignee: Wanheng Medical Technology Nantong Co ltd
Current assignee: Wanheng Medical Technology Nantong Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-02
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses a multi-claw clamping arm for minimally invasive surgery, which comprises a fixed clamp, a movable clamp I, a movable clamp II, a fixed sleeve, a control handle and a clamping assembly; the top of the fixed sleeve is provided with a fixed clamp; the two sides of the fixed clamp are respectively provided with a first movable clamp and a second movable clamp, and the first movable clamp and the second movable clamp are rotationally connected with the fixed clamp; open slots for the movable clamp I and the movable clamp II to move are formed in two sides of the top of the fixed sleeve; the movable clamp I and the movable clamp II are controlled by a control rod; the control rod is controlled by the control handle, is connected with the inner wall of the fixed sleeve in a sliding way, and drives the movable clamp I or the movable clamp II to rotate through up-and-down movement; and a clamping component for limiting the control rod is arranged in the fixed sleeve. The utility model is convenient for controlling the opening degree of the clamping arm.

Description

Multi-claw clamping arm for minimally invasive surgery

Technical Field

The utility model relates to the technical field of minimally invasive instruments, in particular to a multi-jaw clamp arm for minimally invasive surgery.

Background

Minimally invasive surgery refers to surgery performed on a human body through a minimally small incision, also commonly referred to as interventional surgery, through which robot-assisted minimally invasive surgery enters the human body for treatment or diagnosis by means of various visual image devices and advanced smart surgical instruments.

In the minimally invasive surgery process, the foreign matters need to be taken out by using a tool, the clamping force of the existing surgical forceps is not well controlled, the foreign matters are easy to slip off due to too loose clamping force, and the foreign matters are easy to clip and fall off due to too much clamping, so that the tool convenient for controlling the clamping force of the clamping arms needs to be designed.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide the multi-claw clamping arm for the minimally invasive surgery, which is convenient for controlling the opening degree of the clamping arm.

In order to solve the technical problems, the utility model adopts the following technical scheme: a multi-jaw clamping arm for minimally invasive surgery comprises a fixed clamp, a movable clamp I, a movable clamp II, a fixed sleeve, a control handle and a clamping assembly; the top of the fixed sleeve is provided with a fixed clamp; the two sides of the fixed clamp are respectively provided with a first movable clamp and a second movable clamp, and the first movable clamp and the second movable clamp are rotationally connected with the fixed clamp; open slots for the movable clamp I and the movable clamp II to move are formed in two sides of the top of the fixed sleeve; the movable clamp I and the movable clamp II are controlled by a control rod; the control rod is controlled by the control handle, is connected with the inner wall of the fixed sleeve in a sliding way, and drives the movable clamp I or the movable clamp II to rotate through up-and-down movement; and a clamping component for limiting the control rod is arranged in the fixed sleeve.

Further, the clamping component comprises a sliding seat, a limiting plate, a resetting component and an elastic clamping tooth I; the inner wall of the fixed sleeve is provided with a sliding groove matched with the sliding seat; a limiting plate is arranged on the front side of the sliding seat; the top and the bottom of the limiting plate are connected with the inner wall of the fixed sleeve through a reset assembly; the limiting plate is provided with a plurality of elastic first clamping teeth from top to bottom; the bottom of the control rod is provided with an elastic latch II matched with the elastic latch I.

Further, a channel communicated with the chute is arranged on the fixed sleeve; a traction rope is arranged in the channel; one end of the traction rope is fixed on the sliding seat, and the other end of the traction rope is fixed on the sliding seat; the sliding seat is connected with the fixed sleeve in a sliding way.

Further, the control handle comprises a traction wire and a pull ring connected with the traction wire; the traction wire is fixedly connected with the control rod and drives the control rod to move.

Further, the middle parts of the movable clamp I and the movable clamp II are rotationally connected with the fixed clamp, and the lower parts of the movable clamp I and the movable clamp II are provided with guide grooves; the top of the control rod is provided with a guide block which moves along the guide groove; the guide block is rotationally connected with the control rod through a rotating shaft.

The beneficial effects of the utility model are as follows:

according to the multi-claw clamping arm, the clamping component is used for fixing the position of the clamping arm and controlling the opening degree of the clamping arm, so that the clamping force is controlled, the use is convenient, and the excessive loosening or excessive tightening of the clamping arm is avoided.

Drawings

The utility model is further described below with reference to the drawings and examples.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is an enlarged view of a in fig. 1.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in the following detailed description.

Referring to fig. 1 and 2, the multi-jaw arm for minimally invasive surgery according to the present utility model includes a fixed clamp 1, a movable clamp 2, a movable clamp 3, a fixed sleeve 4, a control assembly and a clamping assembly 6.

In the embodiment, a fixing clip 1 is arranged at the top of a fixing sleeve 4; the two sides of the fixed clamp 1 are respectively provided with a movable clamp I2 and a movable clamp II 3, and the middle parts of the movable clamp I2 and the movable clamp II 3 are rotationally connected with the fixed clamp 1 through a rotating shaft; open slots for the movable clamp I2 and the movable clamp II 3 to move are arranged on two sides of the top of the fixed sleeve 4.

The first movable clamp 2 and the second movable clamp 3 are controlled by a control rod 7, and guide grooves 21 are formed in the lower parts of the first movable clamp 2 and the second movable clamp 3; the top of the control rod 7 is provided with a guide block 22 which moves along the guide groove 21; the guide block 22 is rotatably connected with the control rod 7 through a rotating shaft.

The control rod moves downwards to drive the guide block 22 to slide downwards, the lower half part of the movable clamp is controlled to be pulled to rotate, so that the movable clamp rotates towards the side of the fixed clamp, and the control rod moves upwards to drive the guide block 22 to slide upwards, so that the movable clamp rotates towards the side far away from the fixed clamp.

The control rod in the embodiment is controlled by a control assembly, and the control assembly comprises a traction wire 51 and a pull ring 52 connected with the traction wire 51; the traction wire 51 is fixedly connected with the control rod 7 and drives the control rod to move. The control rod 7 is in sliding connection with the inner wall of the fixed sleeve 4, and drives the movable clamp one 2 or the movable clamp two 3 to rotate through up-and-down movement; a clamping component 6 for limiting the control rod 7 is arranged in the fixed sleeve 4.

The clamping component 6 comprises a sliding seat 61, a limiting plate 62, a resetting component 63 and an elastic latch one 64; the inner wall of the fixed sleeve 4 is provided with a chute 65 matched with the sliding seat 61; a limiting plate 62 is arranged on the front side of the sliding seat 61; the top and the bottom of the limiting plate 62 are connected with the inner wall of the fixed sleeve 4 through a reset component 63; the limiting plate 62 is provided with a plurality of elastic first latches 64 from top to bottom; the bottom of the control rod 7 is provided with a second elastic latch 66 matched with the first elastic latch 64.

When the control rod is pulled to move downwards, the first elastic clamping teeth 64 arranged on the limiting plate 62 are matched with the second elastic clamping teeth 66 at the bottom of the control rod 7, so that the control rod is prevented from going backwards. The top of the preferred control rod 7 is also connected with the inner wall of the fixed sleeve 4 through a return spring 67.

The fixed sleeve 4 of the utility model is provided with a channel 71 communicated with the chute 65; a traction rope 72 is arranged in the channel; one end of the traction rope 72 is fixed on the sliding seat 61, and the other end is fixed on the sliding seat 73; the sliding seat 73 is connected with the fixed sleeve 4 in a sliding way.

When the reset is needed, the sliding seat 73 drives the traction rope to pull the sliding seat 61 to move, the elastic latch II 66 is separated from the elastic latch I64, and the control rod is reset under the action of the reset spring.

The foregoing description of the preferred embodiments of the present utility model is not intended to limit the utility model, and those skilled in the art may make various modifications and equivalents within the spirit and scope of the utility model, and such modifications and equivalents should also be considered as falling within the scope of the technical solution of the present utility model.

Claims

1. The utility model provides a minimally invasive surgery multi-claw arm lock which characterized in that: comprises a fixed clamp (1), a movable clamp I (2), a movable clamp II (3), a fixed sleeve (4), a control component and a clamping component (6); the top of the fixed sleeve (4) is provided with a fixed clamp (1); the two sides of the fixed clamp (1) are respectively provided with a movable clamp I (2) and a movable clamp II (3), and the movable clamp I (2) and the movable clamp II (3) are rotationally connected with the fixed clamp (1); open slots for the movable clamp I (2) and the movable clamp II (3) to move are formed in two sides of the top of the fixed sleeve (4); the movable clamp I (2) and the movable clamp II (3) are controlled by a control rod (7); the control rod is controlled by the control component, the control rod (7) is in sliding connection with the inner wall of the fixed sleeve (4), and the movable clamp I (2) or the movable clamp II (3) is driven to rotate by moving up and down; a clamping component (6) for limiting the control rod (7) is arranged in the fixed sleeve (4).

2. The multi-jaw arm of claim 1, wherein: the clamping assembly (6) comprises a sliding seat (61), a limiting plate (62), a resetting assembly (63) and an elastic clamping tooth I (64); a sliding groove (65) matched with the sliding seat (61) is formed in the inner wall of the fixed sleeve (4); a limiting plate (62) is arranged on the front side of the sliding seat (61); the top and the bottom of the limiting plate (62) are connected with the inner wall of the fixed sleeve (4) through a reset assembly (63); the limiting plate (62) is provided with a plurality of elastic first clamping teeth (64) from top to bottom; the bottom of the control rod (7) is provided with an elastic latch II (66) matched with the elastic latch I (64).

3. The multi-jaw arm of claim 2, wherein: the fixed sleeve (4) is provided with a channel (71) communicated with the chute (65); a traction rope (72) is arranged in the channel; one end of a traction rope (72) is fixed on the sliding seat (61), and the other end is fixed on the sliding seat (73); the sliding seat (73) is connected with the fixed sleeve (4) in a sliding way.

4. The multi-jaw arm of claim 1, wherein: the control assembly comprises a traction wire (51) and a pull ring (52) connected with the traction wire (51); the traction wire (51) is fixedly connected with the control rod (7) and drives the control rod to move.

5. The multi-jaw arm of claim 1, wherein: the middle parts of the first movable clamp (2) and the second movable clamp (3) are rotationally connected with the fixed clamp, and the lower parts of the first movable clamp and the second movable clamp are provided with guide grooves (21); the top of the control rod (7) is provided with a guide block (22) which moves along the guide groove (21); the guide block (22) is rotationally connected with the control rod (7) through a rotating shaft.