CN211381619U

CN211381619U - Endoscope forceps

Info

Publication number: CN211381619U
Application number: CN201921917668.7U
Authority: CN
Inventors: 高亭
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-09-01
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses an endoscope pincers, this endoscope pincers include: the clamp comprises a clamp body, a conduit and a clamping part, wherein a steel wire sliding hole is formed in the conduit; wherein, the pincers body includes: the first end of the fixing part is provided with a first handle and a second handle, the first handle is fixedly connected to the fixing part, the second handle is hinged to the fixing part, and the first handle and the second handle are connected through a torsion spring; the first handle is provided with a sliding chute for providing sliding of the end part of the torsion spring, and one end of the torsion spring, which is positioned in the sliding chute and slides, is connected with a steel wire rope; a second end of the fixing part, which is opposite to the first end, is provided with a guide pipe, and the steel wire rope penetrates through the fixing part and extends into the guide pipe; one end of the steel wire rope, which is far away from the clamp body, penetrates through the guide pipe and then is connected with the clamping part, and the opening and closing of the clamping part are controlled by controlling the reciprocating movement of the steel wire rope. The endoscope clamp is used for sampling in vivo under the cooperation of an endoscope so as to carry out further pathological examination on a patient.

Description

Endoscope forceps

Technical Field

The utility model relates to an internal sampling tool of patient specifically relates to scope pincers.

Background

The endoscope forceps are matched with an endoscope for use and used for clamping tissue specimens and picking small polyps in clinic. The endoscopic forceps usually comprise a handle assembly, a forceps rod assembly and a forceps head assembly, the handle assembly in the prior art usually comprises a core rod and a sliding handle sleeved on the core rod, but the structure usually causes other tissues to be accidentally injured by the forceps head assembly due to improper force exertion, and the operation difficulty is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an endoscope clamp, this endoscope clamp is used for the pincers of tissue specimen to get and picking of fritter polyp in clinical under the cooperation of endoscope to do further pathological examination to the patient, and have the advantage of stability height, easily operation.

In order to achieve the above object, the utility model provides an endoscope forceps, this endoscope forceps includes: the clamp comprises a clamp body, a conduit and a clamping part, wherein a steel wire sliding hole is formed in the conduit; wherein, the pincers body includes: the first end of the fixing part is provided with a first handle and a second handle, the first handle is fixedly connected to the fixing part, the second handle is hinged to the fixing part, and the first handle and the second handle are connected through a torsion spring; the first handle is provided with a sliding groove for providing sliding of the end part of the torsion spring, and one end of the torsion spring, which is positioned in the sliding groove and slides, is connected with a steel wire rope; the second end, opposite to the first end, of the fixing part is provided with the guide pipe, and the steel wire rope penetrates through the fixing part and extends into the guide pipe; one end of the steel wire rope, which is far away from the clamp body, penetrates through the guide pipe and then is connected to the clamping part, and the opening and closing of the clamping part are controlled by controlling the reciprocating movement of the steel wire rope.

Preferably, the clamping part comprises a rod, and a first clamping block and a second clamping block are adjacently arranged at the same end of the rod; the first clamping block is fixedly connected to the rod piece, and the second clamping block is hinged to the rod piece; the steel wire rope is connected to the connecting portion of the second clamping block so as to control the second clamping block to be attached to or away from the first clamping block.

Preferably, a cavity is arranged in the rod piece, and a notch for providing the second clamping block to move is arranged on one side of the upper part of the cavity; a shaft body for connecting the second clamping block is arranged in the middle of the cavity, and the hinged part of the second clamping block is sleeved on the shaft body and can rotate by taking the axis of the shaft body as a shaft; the connecting part of the second clamping block is positioned in the cavity and moves, and the connecting part is provided with a mounting hole for connecting the steel wire rope; and the lower part of the rod piece is provided with a steel wire sliding hole communicated with the cavity.

Preferably, the first clamping block and the second clamping block are provided with sawteeth on the sides facing each other, and when the first clamping block and the second clamping block are attached to each other, the sawteeth on the first clamping block and the second clamping block are pressed in a staggered mode.

Preferably, the end parts of the first clamping block and the second clamping block are both arranged to be arc-shaped surfaces, and the widths of the first clamping block and the second clamping block are gradually reduced towards one end far away from the rod piece.

Preferably, the guide tube sequentially comprises a curved section and a straight section in the direction from the forceps body to the clamping part, and the straight section is connected with the rod piece through a telescopic adjusting sleeve; the straightway is provided with the external screw thread towards the one end of member, the inboard one end of flexible adjusting collar be provided with external screw thread assorted internal thread, the other end is provided with the ring channel of indent, the outside of member be provided with ring channel assorted annular circle.

Preferably, the outer side of one end, facing the rod piece, of the straight line section is a step column, and the external thread is arranged on the outer side face of the step column.

Preferably, the curved section is a gooseneck with multi-stage bending adjustment.

Preferably, the second handle is rotatably connected to the fixing part through a rotating shaft;

the torsion spring is provided with a sliding block matched with the sliding groove, and the sliding block is located in the sliding groove and moves in a reciprocating mode.

Preferably, the end parts of the first grip and the second grip are formed with circular rings capable of providing fingers to extend into.

According to the technical scheme, the steel wire sliding hole is arranged in the guide pipe; wherein, the pincers body includes: the first end of the fixing part is provided with a first handle and a second handle, the first handle is fixedly connected to the fixing part, the second handle is hinged to the fixing part, and the first handle and the second handle are connected through a torsion spring; the first handle is provided with a sliding groove for providing sliding of the end part of the torsion spring, and one end of the torsion spring, which is positioned in the sliding groove and slides, is connected with a steel wire rope; the second end, opposite to the first end, of the fixing part is provided with the guide pipe, and the steel wire rope penetrates through the fixing part and extends into the guide pipe; one end of the steel wire rope, which is far away from the clamp body, penetrates through the guide pipe and then is connected to the clamping part, and the opening and closing of the clamping part are controlled by controlling the reciprocating movement of the steel wire rope. During specific use, the torsional spring is located gliding one end in the spout is more close to in the position of fixed part for the other end, and the torsional spring acquiescence is in the expansion state, and at this moment, the torsional spring is located gliding one end in the spout is located the top of spout, and wire rope keeps by the traction state this moment, and wire rope pulls the clamping part and makes the clamping part keep the clamping state. When the second handle is extruded to move towards the first handle, the torsion spring is positioned at one end, sliding in the sliding groove, of the torsion spring slides towards the bottom end of the sliding groove, and at the moment, the steel wire rope is pushed, so that the clamping part is kept in an opening state. Rely on the elasticity of torsional spring self to realize the centre gripping of clamping part in the use, can make the clamping part open through first handle of extrusion and second handle, very easily operation has compared in prior art and has played more stable effect.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

figure 1 is a schematic diagram of the overall construction of a preferred embodiment of an endoscopic forceps;

FIG. 2 is a schematic view of the overall construction of a preferred embodiment of the body portion of the pliers;

FIG. 3 is a schematic view of the overall structure of a preferred embodiment of the clamping portion;

FIG. 4 is a schematic view of a preferred embodiment of a connection structure of the telescoping adjustment sleeve;

FIG. 5 is a schematic view of a preferred embodiment of the inside face of the first clamping block or the second clamping block.

Description of the reference numerals

1 fixed part 2 first handle

3 second handle 4 torsional spring

5 chute 6 rotating shaft

7 duct 8 curved section

9 straight section of steel wire rope 10

11 telescopic adjusting sleeve 12 rod

13 steel wire sliding hole 14 step column

15 annular ring 16 arc surface

17 saw tooth 18 first clamping block

19 second clamping block 20 shaft body

21 connecting part 22 mounting hole

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the present invention, unless otherwise specified, the terms "upper, lower, left, right, front, rear, inner, and outer" and the like included in the terms refer to the orientation of the terms in the normal use state or the common names understood by those skilled in the art, and should not be construed as limiting the terms.

Referring to figures 1-5, an endoscopic forceps comprising: the clamp comprises a clamp body, a conduit 7 and a clamping part, wherein a steel wire sliding hole 13 is formed in the conduit 7; wherein, the pincers body includes: the handle comprises a fixing part 1, wherein a first handle 2 and a second handle 3 are arranged at the first end of the fixing part 1, the first handle 2 is fixedly connected to the fixing part 1, the second handle 3 is hinged to the fixing part 1, and the first handle 2 and the second handle 3 are connected through a torsion spring 4; the first handle 2 is provided with a sliding groove 5 for providing sliding of the end part of the torsion spring 4, and one end of the torsion spring 4, which is positioned in the sliding groove 5 and slides, is connected with a steel wire rope 9; the second end, opposite to the first end, of the fixing part 1 is provided with the guide pipe 7, and the steel wire rope 9 penetrates through the fixing part 1 and extends into the guide pipe 7; one end of the steel wire rope 9, which is far away from the clamp body, penetrates through the guide pipe 7 and then is connected to the clamping part, and the opening and closing of the clamping part are controlled by controlling the reciprocating movement of the steel wire rope 9.

Through above-mentioned technical scheme's implementation, during the specific use, torsional spring 4 is located 5 gliding one end of spout is more close to in the position of fixed part 1 for the other end, and torsional spring 4 defaults and is in the expansion state, and at this moment, torsional spring 4 is located 5 gliding one end of spout is located the top of spout 5, and wire rope 9 keeps being pull the state this moment, and wire rope 9 pulls the clamping part and makes the clamping part keep the clamping state. When the second handle 3 is pressed to move towards the first handle 2, the sliding end of the torsion spring 4 in the sliding groove 5 slides towards the bottom end of the sliding groove 5, and at the moment, the steel wire rope 9 is pushed, so that the clamping part keeps an opening state. Rely on the centre gripping that 4 self elasticity of torsional spring can realize the clamping part in the use, can make the clamping part open through first handle 2 of extrusion and second handle 3, very easily operation has compared in prior art and has played more stable effect. In order to enable the end portion of the torsion spring 4 to be located in the sliding groove 5 to slide, a side groove communicated with the sliding groove 5 is formed in the side surface of the first handle 2 facing the second handle 3, in addition, the other end of the torsion spring 4 is fixedly clamped on the side surface of the second handle 3 facing the first handle 2, a hook hole can also be formed in the side surface of the second handle 3, and the end portion of the torsion spring 4 is hooked and fixed in the hook hole. The fixing portion 1 may also be provided with a wire sliding hole 13 for allowing the wire rope 9 to slide.

In this embodiment, in order to further provide a specific embodiment of the clamping portion, preferably, the clamping portion comprises a rod 12, and a first clamping block 18 and a second clamping block 19 are adjacently arranged at the same end of the rod 12; the first clamping block 18 is fixedly connected to the rod 12, and the second clamping block 19 is hinged to the rod 12; the steel wire rope 9 is connected to the connecting portion 21 of the second clamping block 19 to control the second clamping block 19 to be attached to or away from the first clamping block 18.

In this embodiment, in order to further optimize the movement of the second clamping block 19, it is preferable that a cavity is provided in the rod 12, and a notch for providing the movement of the second clamping block 19 is provided at one side of the upper part of the cavity; a shaft body 20 for connecting the second clamping block 19 is arranged in the middle of the cavity, and the hinged part of the second clamping block 19 is sleeved on the shaft body 20 and can rotate by taking the axis of the shaft body 20 as a shaft; the connecting part 21 of the second clamping block 19 is positioned in the cavity and moves, and the connecting part 21 is provided with a mounting hole 22 for connecting the steel wire rope 9; the lower part of the rod 12 is provided with a steel wire sliding hole 13 communicated with the cavity. The steel wire rope 9 pulls or pushes the connecting part 21 to swing around the shaft body 20, and then the clamping part of the second clamping block 19 can swing along with the connecting part to be close to or far away from the first clamping part, and the selected steel wire rope 9 has certain toughness, can generate certain deformation along with the swinging of the connecting part 21, and can recover a straight line state after returning.

In this embodiment, in order to make the first clamping block 18 and the second clamping block 19 clamped more firmly, it is preferable that the sides of the first clamping block 18 and the second clamping block 19 facing each other are provided with saw teeth 17, and when the first clamping block 18 and the second clamping block 19 are attached to each other, the saw teeth 17 on the first clamping block 18 and the second clamping block 19 are pressed together in a staggered manner.

In this embodiment, in order to avoid the injury of the end of the first clamping block 18 and/or the second clamping block 19 to the body tissue and to improve the operation flexibility, it is preferable that the end of the first clamping block 18 and the end of the second clamping block 19 are both provided with an arc-shaped surface 16, and the width of the first clamping block 18 and the width of the second clamping block 19 are both gradually reduced towards the end far away from the rod 12.

In this embodiment, for the sake of more convenient operation and adjustment of the tightness of the traction of the cable 9, it is preferable that the conduit 7 comprises a curved section 8 and a straight section 10 in sequence from the forceps body to the clamping portion, and the straight section 10 is connected with the rod 12 through a telescopic adjusting sleeve 11; the straight line section 10 is provided with an external thread towards one end of the rod piece 12, one end of the inner side of the telescopic adjusting sleeve 11 is provided with an internal thread matched with the external thread, the other end of the inner side of the telescopic adjusting sleeve is provided with an inwards concave annular groove, and the outer side of the rod piece 12 is provided with an annular ring 15 matched with the annular groove. The telescopic adjusting sleeve 11 can freely rotate on the rod 12, the length of the whole guide pipe 7 can be changed by being in threaded connection with the straight line section 10, the length of the steel wire rope 9 is unchanged, and then the traction tightness of the steel wire rope 9 can be adjusted. Clinical operation may be facilitated by the provision of the curved segment 8.

In order to further improve the stability of the connection between the linear segment 10 and the telescopic adjusting sleeve 11, it is preferable that the outer side of the end of the linear segment 10 facing the rod 12 is a step pillar 14, and the external thread is arranged on the outer side surface of the step pillar 14. The inside of the telescopic adjusting sleeve 11 should be set as a stepped inner wall matched with the stepped column 14.

In this embodiment, in order to allow the curve section 8 to be adjusted in multiple stages, the curve section 8 is preferably a gooseneck tube that is adjustable in multiple stages of bending. The adjustable damping of the gooseneck can be set higher, so that the gooseneck is prevented from deforming after slight force is applied.

In this embodiment, in order to further improve the movement stability of the second handle 3 and the stability of the torsion spring 4 sliding in the sliding slot 5, it is preferable that the second handle 3 is rotatably connected to the fixing portion 1 through a rotating shaft 6; and the torsion spring 4 is provided with a sliding block matched with the sliding groove 5, and the sliding block is positioned in the sliding groove 5 to move in a reciprocating manner. The torsion spring 4 may be replaced by a steel wire or a steel plate having elastic recovery.

In this embodiment, for convenience of operation, it is preferable that the end portions of the first grip 2 and the second grip 3 are formed with a circular ring into which fingers can be inserted.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. An endoscopic forceps, comprising: the clamp comprises a clamp body, a conduit (7) and a clamping part, wherein a steel wire sliding hole (13) is formed in the conduit (7); wherein,

the caliper body comprises: the handle comprises a fixing part (1), wherein a first handle (2) and a second handle (3) are arranged at the first end of the fixing part (1), the first handle (2) is fixedly connected to the fixing part (1), the second handle (3) is hinged to the fixing part (1), and the first handle (2) and the second handle (3) are connected through a torsion spring (4);

a sliding groove (5) for providing sliding of the end part of the torsion spring (4) is formed in the first handle (2), and a steel wire rope (9) is connected to one end, positioned in the sliding groove (5), of the torsion spring (4);

the second end, opposite to the first end, of the fixing part (1) is provided with the guide pipe (7), and the steel wire rope (9) penetrates through the fixing part (1) and extends into the guide pipe (7);

one end, far away from the clamp body, of the steel wire rope (9) penetrates through the guide pipe (7) and then is connected to the clamping part, and the opening and closing of the clamping part are controlled by controlling the reciprocating movement of the steel wire rope (9).

2. Endoscopic forceps according to claim 1, characterized in that the clamping portion comprises a rod (12), the rod (12) being provided with a first clamping block (18) and a second clamping block (19) adjacent to each other at the same end;

the first clamping block (18) is fixedly connected to the rod piece (12), and the second clamping block (19) is hinged to the rod piece (12);

the steel wire rope (9) is connected to a connecting part (21) of the second clamping block (19) to control the second clamping block (19) to be attached to or away from the first clamping block (18).

3. Endoscopic forceps according to claim 2, characterized in that the rod (12) is provided with a cavity, and one side of the upper part of the cavity is provided with a notch for the movement of the second holding block (19);

the middle part of the cavity is provided with a shaft body (20) for connecting the second clamping block (19), and the hinged part of the second clamping block (19) is sleeved on the shaft body (20) and can rotate by taking the axis of the shaft body (20) as a shaft;

a connecting part (21) of the second clamping block (19) is positioned in the cavity and moves, and a mounting hole (22) for connecting the steel wire rope (9) is formed in the connecting part (21);

and a steel wire sliding hole (13) communicated with the cavity is formed in the lower part of the rod piece (12).

4. Endoscopic forceps according to claim 2 or 3, characterized in that the sides of the first holding jaw (18) and the second holding jaw (19) facing each other are provided with serrations (17), and that the serrations (17) on the first holding jaw (18) and the second holding jaw (19) are pressed together in a staggered manner when the first holding jaw (18) and the second holding jaw (19) are pressed against each other.

5. Endoscopic forceps according to claim 4, characterized in that the ends of the first and second holding blocks (18, 19) are each provided as an arc-shaped face (16), and the width of the first and second holding blocks (18, 19) is decreasing towards the end remote from the lever (12).

6. Endoscopic forceps according to claim 2, characterized in that the guide tube (7) comprises a curved section (8) and a straight section (10) in sequence in the direction from the forceps body to the clamping portion, the straight section (10) and the rod member (12) are connected by a telescopic adjusting sleeve (11);

straightway (10) towards the one end of member (12) is provided with the external screw thread, the inboard one end of flexible adjusting sleeve (11) be provided with external screw thread assorted internal thread, the other end is provided with the ring channel of indent, the outside of member (12) be provided with ring channel assorted annular ring (15).

7. Endoscopic forceps according to claim 6, characterized in that the straight section (10) at the end facing the rod (12) is outside a step post (14), the external thread being provided on the outside of the step post (14).

8. Endoscopic forceps according to claim 6, characterized in that the curved section (8) is a gooseneck with multistage bending adjustment.

9. Endoscopic forceps according to claim 1, characterized in that the second grip (3) is rotatably connected to the fixed part (1) by means of a rotating shaft (6);

the torsion spring (4) is provided with a sliding block matched with the sliding groove (5), and the sliding block is located in the sliding groove (5) and moves in a reciprocating mode.

10. Endoscopic forceps according to claim 1, characterised in that the ends of the first grip (2) and the second grip (3) are formed with a circular ring into which a finger can be inserted.