CN218792360U

CN218792360U - Needle holder for endoscope

Info

Publication number: CN218792360U
Application number: CN202222039818.7U
Authority: CN
Inventors: 王东; 赵少华; 陶玉琼
Original assignee: LU'AN PEOPLE'S HOSPITAL
Current assignee: LU'AN PEOPLE'S HOSPITAL
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2023-04-07
Anticipated expiration: 2032-08-03

Abstract

The utility model relates to a needle holder for endoscope, which comprises a handle, an outer tube and a binding clip, wherein a slidable sliding piece is arranged on the fixed part of the binding clip, the sliding piece comprises a compensation part, and the compensation part is arranged on the upper surface of the fixed part of the binding clip; the sliding block is arranged in the compensation part in a sliding manner; and a driving piece for driving the sliding block to slide left and right. This needle holder for chamber mirror through the straining trigger, controls wire rope's catastrophe, and when wire rope received the dragging, wire rope can drag the slider and take place to slide in the inside of compensation portion to conveniently control the position about the needle, and through reverse trigger of withholding, make wire rope's elasticity change, utilize the thrust of trigger to and the elasticity of spring, promote the locating piece, reset wire rope.

Description

Needle holder for endoscope

Technical Field

The utility model belongs to the technical field of needle holder, concretely relates to needle holder for endoscope.

Background

The endoscopic surgery is a newly developed minimally invasive surgery method and is an inevitable trend for the development of future surgery methods; with the rapid advance of industrial manufacturing technology, the fusion of related subjects lays a solid foundation for the development of endoscopic surgery, and an endoscopic needle holder is one of very important instruments in endoscopic surgery and is mainly used for clamping a surgical needle and adjusting the rotation angle of the surgical needle.

The structure of the existing endoscope needle holder has the common characteristic of a rigid rod-shaped structure and comprises a handle, an outer tube and a binding clip, wherein the binding clip comprises a fixed part rotatable part, when in operation, a medical worker can press the handle to control the rotation of the binding clip rotatable part, but when the endoscope needle holder is used for clamping a needle, the whole needle holder needs to be moved to realize the back-and-forth movement of the needle position, the operation is very inconvenient, medical accidents are easily caused, the position of the needle is difficult to be adjusted back and forth by using the binding clip, and the operation of the medical worker is inconvenient, therefore, the needle holder for the endoscope is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the above problems and provide a needle holder for endoscope.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the utility model provides a needle holder for chamber mirror, includes hand (hold), outer tube and binding clip, be equipped with slidable saddle on the fixed position of binding clip, the saddle includes:

the compensation part is arranged on the upper surface of the fixing part of the tong head;

the sliding block is arranged in the compensation part in a sliding manner;

and the driving piece is used for driving the sliding block to slide left and right, the driving piece comprises a steel wire rope, one end of the steel wire rope is connected with the sliding block, the other end of the steel wire rope is provided with a trigger, the trigger is arranged on the handle, and the middle part of the steel wire rope is provided with a resetting piece.

As the utility model discloses a further optimization scheme, the driving piece still includes that a plurality of groups locate the stopper in the outer tube, the inside of stopper is equipped with the through-hole that supplies wire rope to pass, plays direction wire rope's effect, convenient quick reset.

As the utility model discloses a further optimization scheme, compensation portion includes the recess, the recess is located on the binding clip, be equipped with the spout on the inside wall of recess, in the spout was located in the slider slides, be equipped with the spout on the inside wall of recess, make things convenient for the stable slip of slider to can effectual reduction impurity adhere to in the bottom of recess, influence the slip of slider.

As the utility model discloses a further optimization scheme, the piece that resets is including locating the locating piece on the wire rope and locating the fixed block on the hand (hold), be equipped with the spring between fixed block and the locating piece, wire rope runs through in the inside of fixed block, utilizes the elasticity of spring, promotes the locating piece for wire rope resets.

As the utility model discloses a further optimization scheme, the inside of compensation portion is equipped with elastic buffer, elastic buffer locates the slip both sides of slider, elastic buffer is made by medical silica gel for the slip striking of buffering slider avoids causing the medical accident.

As a further optimization scheme of the utility model, the upper surface of slider forms a plurality of sets of depressed parts for the area of contact of increase and syringe needle, convenient stable centre gripping.

The beneficial effects of the utility model reside in that: this needle holder for chamber mirror through the straining trigger to control wire rope's tensity, when wire rope received the dragging, wire rope can drag the slider and take place to slide in the inside of compensation portion, thereby conveniently control the left and right sides position of needle, and through the reverse trigger of pulling, make wire rope's elasticity change, utilize the thrust of trigger to and the elasticity of spring, promote the locating piece, reset wire rope.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of a front view of a partial cross-sectional structure of the binding clip of the present invention;

fig. 3 is a schematic view of a partial cross-sectional structure of the handle according to the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 3 according to the present invention;

fig. 5 is a side view schematic diagram of the stopper of the utility model.

In the figure: 1. a handle; 2. an outer tube; 3. a binding clip; 4. a slider; 41. a compensation section; 411. a groove; 412. a chute; 42. a slider; 43. a drive member; 431. a wire rope; 432. a trigger; 433. a reset member; 4331. positioning a block; 4332. a fixed block; 4333. a spring; 434. a limiting block; 5. an elastic buffer member.

Detailed Description

The present application will now be described in further detail with reference to the drawings, and it should be noted that the following detailed description is given for purposes of illustration only and should not be construed as limiting the scope of the present application, as these numerous insubstantial modifications and variations can be made by those skilled in the art based on the teachings of the present application.

Examples

As shown in fig. 1, a needle holder for endoscope comprises a handle 1, an outer tube 2 and a forceps head 3, a slidable slider 4 is arranged on a fixed part of the forceps head 3, and the slider 4 comprises:

a compensation part 41, wherein the compensation part 41 is arranged on the upper surface of the fixed part of the binding clip 3;

a slider 42, the slider 42 is slidably disposed in the compensation portion 41; a plurality of groups of concave parts are formed on the upper surface of the sliding block 42 and are used for increasing the contact area with the needle head, so that stable clamping is facilitated;

and the driving part 43 is used for driving the sliding block 42 to slide left and right, the driving part 43 comprises a steel wire rope 431, one end of the steel wire rope 431 is connected with the sliding block 42, the other end of the steel wire rope 431 is provided with a trigger 432, the trigger 432 is arranged on the handle 1, and the middle part of the steel wire rope 431 is provided with a reset part 433.

As shown in fig. 5, the driving member 43 further includes a plurality of sets of limiting blocks 434 disposed in the outer tube 2, and through holes for the steel cables 431 to pass through are formed in the limiting blocks 434, so as to guide the steel cables 431 and facilitate quick resetting.

As shown in fig. 2, before use, the user firstly places the needle in the concave portion on the upper surface of the slider 42, at this time, the user controls the binding clip 3 to clamp the needle through the handle 1, and then tightens the trigger 432 to control the tension of the steel wire rope 431, when the steel wire rope 431 is pulled, the steel wire rope 431 can drag the slider 42 to slide in the compensation portion 41, so as to conveniently control the left and right positions of the needle, wherein it should be noted that the concave portion is in a strip structure and is used for being attached to the surface of the needle, and the top tangent line of the needle is at the bottom of the opening position of the concave portion, and in the clamping process of the binding clip 3, the left and right movement of the needle is not affected.

Compensation portion 41 includes recess 411, and on binding clip 3 was located to recess 411, was equipped with spout 412 on the inside wall of recess 411, and slider 42 slides and locates in spout 412, is equipped with spout 412 on the inside wall of recess 411, makes things convenient for slider 42's stable slip to can effectual reduction impurity attach to the bottom of recess 411, influence slider 42's slip.

As shown in fig. 3 to 4, the restoring member 433 includes a positioning block 4331 disposed on the cable 431 and a fixing block 4332 disposed on the handle 1, a spring 4333 is disposed between the fixing block 4332 and the positioning block 4331, the cable 431 penetrates through the fixing block 4332,

when the trigger 432 is pulled reversely, the tightness of the wire rope 431 is changed, the positioning block 4331 is pushed by the pushing force of the trigger 432 and the elastic force of the spring 4333, and the wire rope 431 is reset, wherein it should be noted that the wire rope 431 has high hardness, and is easy to reset quickly and easily by pulling the trigger 432 reversely and pushing the slider 42.

The inside of compensation portion 41 is equipped with elastic buffer 5, and elastic buffer 5 locates the slip both sides of slider 42, and elastic buffer 5 is made by medical silica gel for buffer slider 42's slip striking avoids causing medical accident.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention.

Claims

1. The utility model provides a needle holder for chamber mirror, includes hand (1), outer tube (2) and binding clip (3), its characterized in that: be equipped with slidable saddle (4) on the fixed position of binding clip (3), saddle (4) include:

the compensation part (41), the compensation part (41) is arranged on the upper surface of the fixed part of the binding clip (3);

the sliding block (42), the sliding block (42) is arranged in the compensation part (41) in a sliding manner;

and a driving piece (43) used for driving the sliding block (42) to slide left and right, wherein the driving piece (43) comprises a steel wire rope (431), one end of the steel wire rope (431) is connected with the sliding block (42), the other end of the steel wire rope (431) is provided with a trigger (432), the trigger (432) is arranged on the handle (1), and the middle part of the steel wire rope (431) is provided with a resetting piece (433).

2. The needle holder for an endoscope of claim 1, wherein: the driving piece (43) further comprises a plurality of limiting blocks (434) which are arranged in the outer pipe (2), and through holes for the steel wire ropes (431) to pass through are formed in the limiting blocks (434).

3. The needle holder for an endoscope of claim 1, wherein: the compensation portion (41) comprises a groove (411), the groove (411) is formed in the tong head (3), a sliding groove (412) is formed in the inner side wall of the groove (411), and the sliding block (42) is arranged in the sliding groove (412) in a sliding mode.

4. The needle holder for an endoscope of claim 1, characterized in that: the reset piece (433) comprises a positioning block (4331) arranged on the steel wire rope (431) and a fixing block (4332) arranged on the handle (1), a spring (4333) is arranged between the fixing block (4332) and the positioning block (4331), and the steel wire rope (431) penetrates through the inside of the fixing block (4332).

5. The needle holder for an endoscope of claim 1, wherein: the inside of compensation portion (41) is equipped with elastic buffer spare (5), the slip both sides of slider (42) are located in elastic buffer spare (5), elastic buffer spare (5) are made by medical silica gel.

6. The needle holder for an endoscope of claim 1, wherein: the upper surface of the sliding block (42) is provided with a plurality of groups of concave parts.