CN212140507U - Straight needle forceps with lock - Google Patents

Abstract

The utility model discloses a straight shape area lock needle pincers, pincers handle including two symmetry settings, two on the lateral wall of pincers handle between and being close to the lower extreme respectively fixedly connected with connecting block and installation piece, be equipped with the spout in the installation piece, sliding connection has the slider in the spout, sliding insertion is equipped with two slide bars in the slider, the both ends of slide bar run through the slider respectively and with the spout in relative lateral wall fixed connection, the cover is equipped with the spring on the slide bar, the both ends of spring offset with the upper end lateral wall of top lateral wall and slider in the spout respectively, the lower extreme fixedly connected with fixture block of slider, the upper end evenly distributed of connecting block has a plurality of draw-in grooves corresponding with the fixture block, the lower extreme of fixture block runs through the installation piece and extends to in the draw-in groove. The utility model is simple in operation, convenient to use, through latch mechanism's setting, play the locking effect to needle-holding forceps, avoid traditional locking mode to make the problem that needle-holding forceps compactness reduces take place.

Description

Straight needle forceps with lock

Technical Field

The utility model relates to a needle holder technical field especially relates to a straight shape area lock needle holder.

Background

The needle holder is a needle holder, is a surgical instrument in clinical medicine and surgical operation, is called a needle holder, is mainly used for holding a suture needle to suture various tissues and is also used for instrument knotting sometimes, the junction of the middle part and the back part 1/3 of the suture needle is preferably clamped by the tip of the needle holder, the needle point clamped in most cases should be leftwards, the suture line should be overlapped 1/3 in special cases, the overlapped part of the winding line is also placed in a needle mouth to facilitate the operation, and the needle is easy to break if the needle is clamped in the middle of the needle holder.

At present, the locking mechanism of needle pincers is held in area lock on the market generally formula as an organic whole shaping, when will unblock, need press two tong arms toward opposite direction, can become not hard up after long-term the use to compactness when reducing the centre gripping needle body.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the general formula as an organic whole shaping of locking mechanism of taking lock needle pincers, when will unblock, need press two tong arms toward opposite direction, can become not hard up after long-term the use to compactness when reducing the centre gripping needle body, and the straight shape that provides takes lock needle pincers.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a straight needle forceps with a lock comprises two symmetrically arranged forceps handles, a connecting block and an installation block are fixedly connected to the side wall between the two forceps handles and close to the lower end of the two forceps handles respectively, a sliding groove is formed in the installation block, a sliding block is connected in the sliding groove in a sliding manner, two sliding rods are inserted in the sliding block in a sliding manner, two ends of each sliding rod respectively penetrate through the corresponding sliding block and are fixedly connected with the side wall opposite to the inner side of the sliding groove, a second spring is sleeved on each sliding rod, two ends of each second spring respectively abut against the side wall at the top end in the sliding groove and the side wall at the upper end of the corresponding sliding block, a clamping block is fixedly connected to the lower end of the corresponding sliding block, a plurality of clamping grooves corresponding to the clamping blocks are uniformly distributed at the upper end of the connecting block, the lower end of each clamping block penetrates through the installation block and extends into the corresponding clamping groove, the pull rod is connected with the mounting block in a sliding mode, and the clamp handle is fixedly sleeved with a damping ring.

Preferably, both sides of the sliding block are provided with grooves, balls are arranged in the grooves, and the balls are abutted to the inner side walls of the sliding grooves.

Preferably, a first spring is fixedly connected between the two forceps handles.

Preferably, a handle is fixedly connected to the upper end of the pull rod.

Preferably, the damping ring is made of rubber.

Preferably, the damping ring is plural in number.

Has the advantages that:

1. when in use, the friction force between the hand of the user and the forceps handle can be improved through the arrangement of the damping ring, the stability in holding is enhanced, when the needle body is clamped, a user holds the forceps handles to enable the two forceps handles to move towards opposite directions, at the moment, because the lower end of the clamping block is of a wedge-shaped structure, the clamping block can repeatedly move up and down to pass through the plurality of clamping grooves in sequence, when the needle body is tightly clamped, a user does not hold the forceps handle with force, at the moment, the restoring force of the spring drives the sliding block to push downwards, so that the clamping block extends into the clamping groove, thereby preventing the clamped needle body from falling off, when the needle body needs to be taken off, the pull rod is pulled upwards to drive the slide block, so that the clamping block falls off from the clamping groove, the utility model has simple operation and convenient use, and through the arrangement of the clamping mechanism, the needle holding forceps have a locking effect, so that the problem that the tightness of the needle holding forceps is reduced by a traditional locking mode is solved;

2. through the setting of ball, can reduce the resistance when the slider removes, through the setting of spring, can play certain effect that resets, convenience when improving the operation, through the setting of handle, can convenience of customers stimulate the pull rod, the damping ring is made for the rubber material, and rubber has certain elasticity, when can playing reinforcing frictional force, improves the comfort level of user's hand, and the quantity of damping ring is a plurality of, can improve damping effect, prevents that the pincers handle from droing from user's hand.

Drawings

FIG. 1 is a schematic structural view of a straight needle holder with a lock according to the present invention;

fig. 2 is a schematic structural diagram of a straight needle forceps with a lock at a position a.

In the figure: 1-a forceps handle, 2-a first spring, 3-a damping ring, 4-a mounting block, 5-a sliding rod, 6-a sliding block, 7-a clamping block, 8-a connecting block, 9-a ball, 10-a second spring, 11-a pull rod and 12-a handle.

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.

Referring to fig. 1-2, a straight needle forceps with a lock comprises two symmetrically arranged forceps handles 1, a connecting block 8 and an installation block 4 are respectively fixedly connected between the two forceps handles 1 and on the side wall near the lower end, and are respectively used for installing a clamping groove and a sliding block 6, a sliding groove is arranged in the installation block 4, a sliding block 6 is slidably connected in the sliding groove and is used for driving a clamping block 7 to move, two sliding rods 5 are slidably inserted in the sliding block 6 and are used for improving the stability of the sliding block 6 during moving, two ends of each sliding rod 5 respectively penetrate through the sliding block 6 and are fixedly connected with the opposite side wall in the sliding groove, a second spring 10 is sleeved on each sliding rod 5 and is used for driving the sliding block 6 to move, two ends of each second spring 10 respectively abut against the side wall at the top end in the sliding groove and the side wall at the upper end of the sliding block 6, the clamping block 7 is fixedly connected at the lower end, the lower end of the clamping block 7 penetrates through the mounting block 4 and extends into the clamping groove, the clamping block 7 is in sliding connection with the mounting block 4, the upper end of the sliding block 6 is fixedly connected with a pull rod 11 and used for pulling the clamping block 7 out of the clamping groove, the upper end of the pull rod 11 penetrates through the mounting block 4, the pull rod 11 is in sliding connection with the mounting block 4, a damping ring 3 is fixedly sleeved on the forceps handle 1 and used for improving friction between the hand of a user and the forceps handle 1, and the stability during holding is enhanced.

In this embodiment, slider 6's both sides all are equipped with the recess, be equipped with ball 9 in the recess, ball 9 offsets with the spout inside wall, resistance when being used for reducing slider 6 and removing, two first spring of fixedly connected with 2 between pincers handle 1, be used for playing certain reset action, convenience when improving the operation, the upper end fixedly connected with handle 12 of pull rod 11, be used for convenience of customers pulling pull rod 11, damping ring 3 is made for the rubber material, when being used for playing reinforcing frictional force, improve the comfort level of user's hand, the quantity of damping ring 3 is a plurality of, be used for improving the damping effect, prevent that pincers handle 1 from droing from the user's hand.

In the embodiment, the friction force between the hand of the user and the forceps handle 1 can be improved through the arrangement of the damping ring 3, the holding stability is improved, when the needle body is clamped, a user holds the forceps handles 1 to enable the two forceps handles 1 to move towards opposite directions, at the moment, because the lower end of the clamping block 7 is in a wedge-shaped structure, the clamping block 7 can repeatedly move up and down and sequentially pass through a plurality of clamping grooves, when the needle body is tightly clamped, the user does not hold the forceps handle 1 with force, at the moment, the slide block 6 is driven to push downwards by the restoring force of the second spring 10, so that the clamping block 7 extends into the clamping groove, thereby preventing the clamped needle body from falling off, when the needle body needs to be taken off, the pull rod 11 is pulled upwards to drive the slide block 6, so that the clamping block 7 falls off from the clamping groove, the utility model has simple operation and convenient use, and through the arrangement of the clamping mechanism, the needle holding forceps have a locking effect, and the problem that the tightness of the needle holding forceps is reduced in the traditional locking mode is avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a straight shape area lock needle holder, includes pincers handle (1) that two symmetries set up, its characterized in that: the clamp comprises two clamp handles (1), a connecting block (8) and a mounting block (4) are fixedly connected to the side wall, close to the lower end, of the side wall between the two clamp handles (1), a sliding groove is formed in the mounting block (4), a sliding block (6) is connected in the sliding groove in a sliding mode, two sliding rods (5) are inserted in the sliding block (6) in a sliding mode, two ends of each sliding rod (5) penetrate through the corresponding sliding block (6) and are fixedly connected with the side wall opposite to the inner side of the sliding groove, a second spring (10) is sleeved on each sliding rod (5), two ends of each second spring (10) are abutted against the side wall at the top end of the corresponding sliding groove and the side wall at the upper end of the corresponding sliding block (6), a clamping block (7) is fixedly connected to the lower end of each sliding block (6), a plurality of clamping grooves corresponding to the clamping blocks (7), the clamp is characterized in that the clamp block (7) is in sliding connection with the mounting block (4), a pull rod (11) is fixedly connected to the upper end of the slide block (6), the mounting block (4) is penetrated through the upper end of the pull rod (11), the pull rod (11) is in sliding connection with the mounting block (4), and a damping ring (3) is fixedly sleeved on the clamp handle (1).

2. The straight needle holder with lock of claim 1, wherein: the two sides of the sliding block (6) are provided with grooves, the grooves are internally provided with balls (9), and the balls (9) are abutted to the inner side walls of the sliding grooves.

3. The straight needle holder with lock of claim 1, wherein: a first spring (2) is fixedly connected between the two forceps handles (1).

4. The straight needle holder with lock of claim 1, wherein: the upper end of the pull rod (11) is fixedly connected with a handle (12).

5. The straight needle holder with lock of claim 1, wherein: the damping ring (3) is made of rubber.

6. The straight needle holder with lock of claim 1, wherein: the number of the damping rings (3) is multiple.

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