CN210433506U

CN210433506U - Handle capable of adjusting self-locking and positioning for biopsy forceps

Info

Publication number: CN210433506U
Application number: CN201920533184.6U
Authority: CN
Inventors: 吴康平; 王锐; 沈盛杰
Original assignee: Zhejiang Langte Medical Technology Co ltd
Current assignee: Zhejiang Langte Medical Technology Co ltd
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2020-05-01
Anticipated expiration: 2029-04-18

Abstract

The utility model relates to the technical field of medical equipment, especially, relate to a handle that supplies biopsy forceps use of adjustable auto-lock and location. The utility model discloses, including inside the handle body and the cover that have the slip cavity establish handle body surface, and with handle body sliding connection's pull ring, sliding connection has the slider in the slip cavity, slider and pull ring fixed connection, still including connecting the self-locking positioning mechanism on the pull ring, slip self-locking positioning mechanism can make pull ring and handle body relatively fixed. The utility model discloses be equipped with from lock positioning mechanism, can make biopsy forceps can control the binding clip steadily and be in and open or closed state in operation process, prevent that the binding clip from loosening after taking place the sample and accomplishing, cause the sample to lose, the pollution problem, and, the utility model discloses a pull ring is at the slip in-process, and reset spring is in compression state, because reset spring's elasticity like this, the location dog can be in the same place with the close laminating of location boss upper surface, produces great frictional force to guarantee the stability of pull ring slip process.

Description

Handle capable of adjusting self-locking and positioning for biopsy forceps

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a handle that supplies biopsy forceps use of adjustable auto-lock and location.

Background

In recent years, endoscopic biopsy techniques have become more mature. Biopsy is a technique for examining pathological tissues by taking diseased tissues from patients by incision, forceps, or puncture, as needed for differential diagnosis and treatment. Biopsy forceps under an endoscope can not be detached, the biopsy forceps are also one of the most common accessories of endoscope nursing teachers, and the biopsy forceps are mainly used together with the endoscope. The key point of the use of the biopsy forceps lies in the grasping of the strength under the hand, and particularly under the condition that most of the biopsy forceps in the current market cannot stably control the opening or closing state of the forceps head, the requirements on the operation experience and the operation skill of a user are high, so that the difficulty of the hands of operators without the operation experience is high.

For example, the chinese utility model discloses a biopsy forceps [ application No.: 201720048539.3], the utility model discloses an including biopsy forceps body and pipe, the biopsy forceps body is including connecting gradually pincers body and binding clip, the pincers body is hollow structure, pincers body slidable installs on the pipe, the pipe is equipped with the scale along its length direction, the front end of pipe is the flexible hose, the flexible hose is equipped with the spray nozzle, the rear end of pipe is installed on the handle, the handle end is equipped with flexible hose adjusting device, be equipped with the injection orifice that is linked together with the spray nozzle on flexible hose adjusting device or the handle.

The utility model has the advantages of helping the medical care personnel to accurately position in the operation process, but still does not solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide a handle that supplies biopsy forceps use of adjustable auto-lock and location.

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

the utility model provides a handle that supplies biopsy forceps to use of adjustable auto-lock and location, includes that inside has the handle body of slip cavity and cover to establish the handle body surface, and with handle body sliding connection's pull ring, sliding connection has the slider in the slip cavity, slider and pull ring fixed connection, still includes the self-locking positioning mechanism of connection on the pull ring, and slip self-locking positioning mechanism can make pull ring and handle body relatively fixed.

In the adjustable self-locking and positioning handle for biopsy forceps, the self-locking positioning mechanism comprises a button, one end of the button is located outside the handle body, the other end of the button penetrates through the pull ring and the sliding block in sequence and extends into the sliding cavity, the button is connected with the handle body in a sliding mode, a positioning stop block is fixedly connected to the end portion, located in the sliding cavity, of the button, a positioning boss protrudes from the inner surface of the sliding cavity, and the sliding button enables the positioning stop block to be arranged on the side face of the positioning boss in a pressing mode.

In the handle for the adjustable self-locking and positioning biopsy forceps, the positioning stop block is elastically connected with the sliding block through the return spring.

In the handle for the biopsy forceps with the adjustable self-locking and positioning function, the end surface of the button, which is positioned outside the handle body, is in an arc shape.

In the handle for the biopsy forceps with the adjustable self-locking and positioning functions, the handle further comprises two finger sleeve rings fixedly connected to the surface of the pull ring, and the two finger sleeve rings are symmetrically arranged on two sides of the pull ring.

In the handle capable of adjusting self-locking and positioning and used for the biopsy forceps, one end of the handle body is detachably connected with a connecting cap in a hollow structure, the connecting cap is communicated with the sliding cavity, and the inner diameter of one end, close to the handle body, of the connecting cap is larger than that of one end, far away from the handle body, of the connecting cap.

In the handle for the biopsy forceps with the adjustable self-locking and positioning functions, one end of the handle body, which is far away from the connecting cap, is rotatably connected with the rotating ring.

In the handle for the biopsy forceps with adjustable self-locking and positioning functions, the self-locking positioning mechanism comprises at least one push rod fixedly connected with the sliding block, one end of the push rod, far away from the sliding block, penetrates through the pull ring, the push rod and the pull ring are fixedly connected in the axial lead direction of the handle body and are in sliding connection in the radial direction of the handle body, the positioning table protrudes from the inner surface of the sliding cavity, and the sliding push rod can enable the sliding block to be pressed on the side face of the positioning table.

In the above handle for biopsy forceps with adjustable self-locking and positioning, the self-locking positioning mechanism comprises a fixture block fixedly connected to the inner surface of the pull ring, the outer surface of the handle body is provided with a chute sunken towards the inside of the handle body, the side surface of the chute is at least communicated with two clamping grooves, the fixture block is slidably connected in the chute, the fixture block is matched with the clamping grooves in a size and shape homogeneous phase, the fixture block can be positioned in the clamping grooves by rotating the pull ring, and the side surface of the fixture block is pressed on the handle body at the moment.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses be equipped with from lock positioning mechanism, can make biopsy forceps can control the binding clip steadily and be in and open or closed state in operation process, prevent to take place to damage the pincers way and lead to the sample inaccurate, the binding clip loosens when backward pulling after the sample is accomplished, causes the sample to lose, pollutes the scheduling problem.

2. The utility model discloses a pull ring is at the slip in-process, and reset spring is in compression state, like this because reset spring's elasticity, location dog can be in the same place with the close laminating of location boss upper surface, produces great frictional force to guarantee the stability of pull ring slip process.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a partial structural schematic diagram of embodiment 1 of the present invention;

fig. 3 is a sectional view of embodiment 1 of the present invention;

fig. 4 is a cross-sectional view of embodiment 1 of the present invention;

fig. 5 is a cross-sectional view of embodiment 2 of the present invention;

fig. 6 is a cross-sectional view of embodiment 3 of the present invention;

in the figure: the handle comprises a handle body 1, a pull ring 2, a sliding cavity 3, a sliding block 4, a self-locking positioning mechanism 5, a finger sleeve ring 6, a connecting cap 7, a rotating ring 8, a button 51, a positioning stop block 52, a positioning boss 53, a return spring 54, a push rod 55, a positioning table 56, a clamping block 57, a sliding groove 58 and a clamping groove 59.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Example 1

Referring to fig. 1 and 3, the handle for biopsy forceps with adjustable self-locking and positioning functions comprises a handle body 1 with a sliding cavity 3 inside, a pull ring 2 sleeved on the outer surface of the handle body 1 and slidably connected with the handle body 1, a slider 4 slidably connected in the sliding cavity 3, a tong head connected with the slider 4 through a steel wire arranged in a guide tube (the guide tube, the steel wire and the tong head are not shown in the figures), the slider 4 fixedly connected with the pull ring 2, and a self-locking positioning mechanism 5 connected to the pull ring 2, wherein the pull ring 2 and the handle body 1 can be relatively fixed through the sliding self-locking positioning mechanism 5.

The utility model discloses, during the use, 1 slip pull ring 2 of relative handle body to drive slider 4 and slide in sliding cavity 3, slider 4 passes through the switching of steel wire control binding clip, treat slider 4 and slide to the assigned position after, the binding clip is in the closure state or is in the state of opening that has suitable aperture this moment, slide from lock positioning mechanism 5 and make pull ring 2 and handle body 1 relatively fixed, slider 4 is in the lock-out state like this, so can guarantee the stability of binding clip state, the utility model discloses be equipped with from lock positioning mechanism 5, can make biopsy forceps can control the binding clip steadily to be in opening or the closure state in operation process, prevent to take place the damage tongeway and lead to the sample inaccurate, the binding clip loosens when drawing back after the sample is accomplished, causes the sample to lose, pollutes the scheduling problem.

As shown in fig. 2-4, the self-locking positioning mechanism 5 includes a button 51 having one end located outside the handle body 1 and the other end sequentially passing through the pull ring 2 and the slider 4 and extending into the sliding cavity 3, the button 51 is slidably connected to the handle body 1, a positioning stop 52 is fixedly connected to an end of the button 51 located inside the sliding cavity 3, a positioning boss 53 protrudes from an inner surface of the sliding cavity 3, the sliding button 51 can press the positioning stop 52 to a side surface of the positioning boss 53, and when locking and positioning are required, the sliding button 51 drives the positioning stop 52 to press the positioning stop 52 to a side surface of the positioning boss 53, so that the slider 4 is fixed along an axial line direction of the handle body 1.

Preferably, the end surface of the button 51 located outside the handle body 1 is arc-shaped, and the arc-shaped surface has better fitting degree with the fingers of the operator, so that the operation risk in use can be reduced, and the comfort of the operator can be improved.

As shown in fig. 3, the positioning stopper 52 is elastically connected to the slider 4 through a return spring 54, during the sliding process, the return spring 54 is in a compressed state, so that due to the elastic force of the return spring 54, the positioning stopper 52 can be tightly attached to the upper surface of the positioning boss 53, a large friction force is generated, so as to ensure the stability of the sliding process of the tab 2, after the positioning stopper 52 reaches a specified position, the return spring 54 returns to its original state, under the action of the return force, the positioning stopper 52 slides along the radial direction of the handle body 1, so that the positioning stopper 52 is pressed to the side surface of the positioning boss 53, when sliding is required again, the button 51 is pressed, under the action of the external force, the return spring 54 is compressed, the positioning stopper 52 is separated from the side surface of the positioning boss 53, and the tab 2 is slid, so that the positioning stopper 52.

As shown in fig. 1, the pull ring further comprises finger ring rings 6 fixedly connected to the surface of the pull ring 2, the finger ring rings 6 are provided with two finger ring rings, and are symmetrically arranged on two sides of the pull ring 2, so that an operator can slide the pull ring 2 conveniently.

As shown in fig. 3, the one end of handle body 1 can be dismantled and be connected with and be hollow structure's connection cap 7, connects cap 7 and slide cavity 3 and is linked together, connect the internal diameter that cap 7 is close to handle body 1 one end and be greater than the internal diameter of keeping away from handle body 1 one end, connect the cap and keep away from handle body 1 one end and pipe intercommunication, so less internal diameter can prevent that the steel wire from having great degree to rock in the use, guarantees the stability of operation, the one end rotation that handle body 1 kept away from and connect cap 7 is connected with swivel 8, swivel 8 is convenient for the operator to grip handle body 1.

Example 2

The specific structure in this embodiment is substantially the same as that in embodiment 1, except for the structure of the self-locking lock mechanism 5, specifically, as shown in fig. 5, the self-locking positioning mechanism 5 comprises at least one pushing rod 55 fixedly connected with the sliding block 4, preferably, the sliding block 4 is elastically connected with the inner wall of the pull ring 2 through a spring, one end of the pushing rod 55 far away from the sliding block 4 penetrates through the pull ring 2, and the pushing rod 55 is fixedly connected with the pull ring 2 in the axial line direction of the handle body 1, the handle body 1 is connected in a sliding way in the radial direction, a positioning table 56 protrudes from the inner surface of the sliding cavity 3, the sliding push rod 55 can enable the sliding block 4 to be pressed on the side surface of the positioning table 56, in the sliding process, the push rod 55 is pressed to overcome the elastic force of a spring, when the slide block 4 is positioned in the slide way and needs to be positioned and locked, the push rod 55 is loosened, and the slide block 4 is pressed to the side surface of the positioning table 56 under the action of the elastic force of the spring.

Example 3

The specific structure of this embodiment is substantially the same as that of embodiment 1, and the difference is in the structure of the self-locking positioning mechanism 5, specifically, as shown in fig. 6, the self-locking positioning mechanism 5 includes a fixture block 57 fixedly connected to the inner surface of the pull ring 2, the outer surface of the handle body 1 has a sliding groove 58 recessed toward the inside of the handle body 1, the side surface of the sliding groove 58 is communicated with at least two clamping grooves 59, the fixture block 57 is slidably connected in the sliding groove 58, and the fixture block 57 and the clamping groove 59 are both adapted in size and shape, the rotation of the pull ring 2 can make the fixture block 57 located in the clamping groove 59, at this time, the side surface of the fixture block 57 is pressed on the handle body 1, during the sliding process, the fixture block 57 is located in the sliding groove 58, when the positioning and locking are required, the pull ring 2 is rotated to make the fixture block 57 slide from the sliding groove 58 to the clamping groove 59, so as to realize the purpose that the pull ring 2 and the handle body 1 are relatively fixed along the axial lead direction of the handle body.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms handle 1, pull ring 2, sliding cavity 3, slider 4, self-locking latch mechanism 5, finger ring 6, connecting cap 7, swivel ring 8, push button 51, positioning stop 52, positioning boss 53, return spring 54, push rod 55, positioning table 56, latch 57, slide slot 58, latch slot 59, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a handle that supplies biopsy forceps to use of adjustable auto-lock and location, includes that inside handle body (1) that has slip cavity (3) overlaps establishes at handle body (1) surface with cover, and with handle body (1) sliding connection's pull ring (2), sliding connection has slider (4) in slip cavity (3), slider (4) and pull ring (2) fixed connection, its characterized in that: the pull ring further comprises a self-locking position mechanism (5) connected to the pull ring (2), and the pull ring (2) and the handle body (1) can be relatively fixed by sliding the self-locking position mechanism (5).

2. The adjustable self-locking and positioning handle for use with biopsy forceps according to claim 1, further comprising: from lock position mechanism (5) including one end be located handle body (1) outside, the other end runs through pull ring (2) and slider (4) in proper order and extends to button (51) in slip cavity (3), button (51) and handle body (1) sliding connection, button (51) are located one end tip fixedly connected with location dog (52) in slip cavity (3), slip cavity (3) internal surface salient has location boss (53), and slide button (51) can make location dog (52) press and establish in location boss (53) side.

3. The adjustable self-locking and positioning handle for use with biopsy forceps according to claim 2, further comprising: the positioning stop block (52) is elastically connected with the sliding block (4) through a return spring (54).

4. The adjustable self-locking and positioning handle for use with biopsy forceps according to claim 2, further comprising: the end surface of one end of the button (51) positioned outside the handle body (1) is arc-shaped.

5. The adjustable self-locking and positioning handle for use with biopsy forceps according to claim 1, further comprising: still include finger ring (6) of fixed connection on pull ring (2) surface, finger ring (6) have two, and the symmetry sets up in pull ring (2) both sides.

6. The adjustable self-locking and positioning handle for use with biopsy forceps according to claim 1, further comprising: one end of the handle body (1) is detachably connected with a connecting cap (7) which is of a hollow structure, the connecting cap (7) is communicated with the sliding cavity (3), and the inner diameter of one end, close to the handle body (1), of the connecting cap (7) is larger than the inner diameter of one end, far away from the handle body (1).

7. The adjustable self-locking and positioning handle for use with biopsy forceps according to claim 6, further comprising: one end of the handle body (1) far away from the connecting cap (7) is rotatably connected with a rotating ring (8).

8. The adjustable self-locking and positioning handle for use with biopsy forceps according to claim 1, further comprising: the self-locking positioning mechanism (5) comprises at least one push rod (55) fixedly connected with the sliding block (4), one end, far away from the sliding block (4), of the push rod (55) penetrates through the pull ring (2), the push rod (55) and the pull ring (2) are fixedly connected in the axial lead direction of the handle body (1) and are in sliding connection in the radial direction of the handle body (1), a positioning table (56) protrudes from the inner surface of the sliding cavity (3), and the sliding push rod (55) can enable the sliding block (4) to be pressed on the side face of the positioning table (56).

9. The adjustable self-locking and positioning handle for use with biopsy forceps according to claim 1, further comprising: from lock positioning mechanism (5) including fixture block (57) of fixed connection at pull ring (2) internal surface, handle body (1) surface has to the inside sunken spout (58) of handle body (1), spout (58) side communicates at least two screens groove (59), fixture block (57) sliding connection is in spout (58), and the size and the shape homogeneous phase adaptation in fixture block (57) and screens groove (59), rotates pull ring (2) and can make fixture block (57) be located screens groove (59), and fixture block (57) side pressure is established on handle body (1) this moment.