CN218870344U

CN218870344U - Split chuck for biopsy forceps

Info

Publication number: CN218870344U
Application number: CN202222579297.4U
Authority: CN
Inventors: 孙伟; 印杰
Original assignee: Changzhou Kasto Medical Technology Co ltd
Current assignee: Changzhou Kasto Medical Technology Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-04-18
Anticipated expiration: 2032-09-28

Abstract

The utility model relates to a biopsy forceps field, concretely relates to biopsy forceps is with components of a whole that can function independently chuck. The utility model provides a biopsy forceps is with components of a whole that can function independently chuck, include: the sampling device comprises a frame body, wherein a sampling cable is arranged on the frame body; the sampling cable is connected with the frame body in a sliding manner; wherein the sampling cable is arranged in a split manner. Through the setting of cooperation subassembly for sample portion sets up with the propelling movement pole components of a whole that can function independently, thereby realizes changing or when wasing sample portion, can separately handle sample portion and propelling movement pole and support body, thereby improves the cleaning efficiency. The position of the object to be clamped is convenient for an operator to position through the arrangement of the probe. Different clamping modes can be adopted for different objects through two different clamping heads.

Description

Split chuck for biopsy forceps

Technical Field

The utility model relates to a biopsy forceps field, concretely relates to biopsy forceps is with components of a whole that can function independently chuck.

Background

As shown in fig. 1, which is a schematic diagram of a sampling cable 2 in the prior art, the sampling cable 2 is integrally formed, that is, a sampling pull rod 31 and a push rod 21 are integrally fixed, and after a biopsy forceps is used, a chuck needs to be cleaned and maintained, the sampling pull rod 31 and the push rod 21 are integrally fixed, so that the sampling cable 2 and a frame body need to be cleaned under the condition of one-to-one pairing, and since the sampling cable 2 and the frame body 1 are made of different materials and have different cleaning requirements, when the sampling cable 2 and the frame body 1 are paired and cleaned, the process is relatively complex, and batch operation cannot be performed.

Therefore, it is necessary to design a chuck that can be separately provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a biopsy forceps is with components of a whole that can function independently chuck to solve above-mentioned problem.

In order to achieve the above object, the embodiment of the present invention provides a split collet for biopsy forceps, including: the sampling device comprises a frame body, wherein a sampling cable is arranged on the frame body;

the sampling cable is connected with the frame body in a sliding manner; wherein

The sampling cable is arranged in a split manner.

Furthermore, the sampling cable comprises a pushing rod and a sampling part arranged at the end head of one end of the pushing rod far away from the frame body; wherein

The sampling part is detachably and fixedly connected with the pushing rod.

Furthermore, the sampling part comprises a sampling pull rod and a matching component fixedly arranged at one end of the sampling pull rod, a matching groove is formed in the inner wall of the push rod, and the matching component corresponds to the matching groove.

Furthermore, the matching component comprises two sliding blocks arranged in a mirror image manner, two guide grooves are formed in the push rod along the axial direction, and the sliding blocks correspond to the guide grooves;

the guide groove is communicated with the matching groove;

the matching component also comprises telescopic fixture blocks arranged between the two sliding blocks in a mirror image manner, the tail part of the sampling part is radially provided with a telescopic groove, and the two telescopic fixture blocks are arranged in the telescopic groove in a sliding manner;

and an adjusting spring is arranged between the two telescopic clamping blocks, and two ends of the adjusting spring are respectively fixed with the inner side walls of the two telescopic clamping blocks.

Furthermore, a clamping assembly is arranged at one end of the sampling pull rod, which is far away from the matching assembly, a spring tube is fixedly arranged at one end of the frame body, which faces the sampling part, and the clamping assembly is clamped with the spring tube;

the clamping assembly comprises a positioning gasket and a clamp head frame sleeved on the outer side of the positioning gasket, and one end of the clamp head frame is sleeved on the spring pipe in an inner sleeve mode;

and a positioning rod is fixedly arranged on the positioning gasket and is connected with the tong head frame in an abutting mode.

Furthermore, the clamping assembly further comprises a connecting shaft fixedly arranged on one side of the positioning rod, the connecting shaft penetrates through the positioning gasket and is fixedly connected with the clamp head frame, and the connecting shaft is arranged in parallel with the positioning rod.

Furthermore, a first chuck and a second chuck are respectively hinged on the connecting shaft, and a first linkage rod and a second linkage rod are respectively hinged on one side of the sampling pull rod facing the connecting shaft;

the tail part of the first chuck is hinged with the first linkage rod;

the tail of the second chuck is hinged with the second linkage rod.

Further, the head parts of the first chuck and the second chuck are flat.

Further, the heads of the first and second collets are alligator-shaped.

Furthermore, a probe is integrally arranged on the positioning gasket and extends into the head parts of the first chuck and the second chuck.

Compared with the prior art, the embodiment of the utility model provides a following beneficial effect has: through the setting of cooperation subassembly for sample portion and propelling movement pole components of a whole that can function independently set up, thereby realize when changing or wasing sample portion, can separately handle sample portion and propelling movement pole and support body, thereby improve the cleaning efficiency. The position of the object to be clamped is convenient for an operator to position through the arrangement of the probe. Different clamping modes can be adopted for different objects through two different chucks.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Figure 1 shows a front view of the prior art of the present invention;

FIG. 2 is an exploded view of a split collet for biopsy forceps according to the present invention;

fig. 3 shows a perspective view of the sampling part of the present invention;

figure 4 shows a perspective view of the mating assembly and push rod of the present invention;

figure 5 shows a cross-sectional view of the mating assembly and the push rod of the present invention;

fig. 6 shows a perspective view of the gripping assembly of the present invention;

fig. 7 shows a perspective view of the positioning spacer of the present invention.

In the figure:

1. a frame body; 11. a spring tube;

2. sampling cable; 21. a push rod; 211. a mating groove; 212. a guide groove;

3. a sampling section; 31. a sampling pull rod; 311. a first linkage rod; 312. a second linkage rod;

32. a mating component; 321. a slider; 322. a telescopic clamping block; 323. a telescopic groove; 324. adjusting the spring;

33. a gripping assembly; 331. positioning the gasket; 3311. a probe; 332. a forceps head frame; 333. positioning a rod; 334. a connecting shaft; 335. a first chuck; 336. a second chuck.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Example one

As shown in fig. 2 to 6, the utility model provides a biopsy forceps split collet, which comprises: a frame body 1 and a sampling rope 2. The frame body 1 is suitable for installing a sampling rope 2, and the sampling rope 2 is suitable for clamping a sample. With respect to the above components, a detailed description is given below.

Support body 1, support body 1 are whole to be shaft-like, are provided with the annular slider of a circle on the support body 1, and the slider can be followed support body 1's circumference and slided.

Sample cable 2, sample cable 2 set up on support body 1, specifically, the slider fixed connection on 2 one ends of sample cable and the support body 1 for when the slider slides, can drive sample cable 2 and slide along length direction along with support body 1. By the mode, the sampling rope 2 can be controlled to be opened and closed, so that a sample can be clamped conveniently. However, in the case of sampling the sampling wire 2, the head of the sampling wire 2 is usually inserted into the patient, and therefore, after use, the head of the sampling wire 2 needs to be cleaned. After the use, need pull down the whole towards support body 1 of sample cable 2, perhaps change a new biopsy forceps, cause sample cable 2 and support body 1 to need wash the operation under the condition of pairing one by one, and because the material and the washing requirement of sample cable 2 and support body 1 are different, when consequently pairing the washing, the process is more complicated, and can't operate in batches. Therefore, in the present embodiment, a sampling cable 2 that can be separately installed is designed to solve the above problem.

In order to achieve the above effect, the sampling rope 2 comprises a pushing rod 21 and a sampling part 3 arranged at the end of the pushing rod 21 far away from one end of the frame body 1. Specifically, one end of the pushing rod 21 is detachably and fixedly connected with the sliding block, and the other end of the pushing rod is detachably and fixedly connected with the sampling part 3. Through the arrangement, when in use, the sliding rod pushes the sampling part 3 to be opened or closed through the push rod so as to clamp a sample.

The structure of the sampling part 3 is specifically described below, and the sampling part 3 includes a sampling pull rod 31 and a matching component 32 fixedly disposed at one end of the sampling pull rod 31. The inner wall of the pushing rod 21 is provided with a matching groove 211, and the matching component 32 corresponds to the matching groove 211. Through the setting of cooperation groove 211 and cooperation subassembly 32 for when the installation, operating personnel will sample portion 3 and insert cooperation groove 211 through cooperation subassembly 32 in, will cooperate subassembly 32 and cooperation groove 211 fixed connection, and on the same reason, after sampling portion 3 uses, will cooperate subassembly 32 to take from cooperation groove 211, can realize the effect with sample portion 3 and push rod separation. In this way, after each use, the sampling part 3 can be separated and cleaned without dismantling the whole sampling rope 2.

In order to achieve the effect of detaching and assembling the matching component 32 and the matching groove 211, the matching component 32 includes two sliding blocks 321 arranged in a mirror image manner, two guide grooves 212 are axially formed on the push rod 21, and the sliding blocks 321 correspond to the guide grooves 212. With the above arrangement, when mounting, the sliding block 321 on the mating component 32 is aligned with the guide groove 212 and is axially slid by the sliding block 321. The guide groove 212 communicates with the fitting groove 211. Meanwhile, the matching component 32 further includes a telescopic fixture block 322 arranged between the two sliding blocks 321 in a mirror image manner, a telescopic groove 323 is radially formed at the tail of the sampling part 3, and the two telescopic fixture blocks 322 are slidably arranged in the telescopic groove 323. An adjusting spring 324 is arranged between the two telescopic fixture blocks 322, and two ends of the adjusting spring 324 are respectively fixed with the inner side walls of the two telescopic fixture blocks 322. Through the arrangement, when the push rod is installed, an operator extrudes the telescopic clamping block 322 to retract, so that the telescopic clamping block 322 moves towards the push rod along with the side wall of the matching assembly 32 until the telescopic clamping block 322 moves to be clamped with the matching groove 211, and the push rod 21 and the matching assembly 32 are installed. In addition, push rod 21 is made for flexible material, and during the dismantlement, operating personnel extrudees flexible fixture block 322 once more and contracts to make flexible fixture block 322 and cooperation groove 211 break away from to be connected, and then be convenient for take cooperation subassembly 32 out from push rod 21.

In order to realize the effect that sample 3 presss from both sides and gets the sample, sample pull rod 31 is kept away from the one end of cooperation subassembly 32 is provided with to press from both sides gets subassembly 33, support body 1 orientation the fixed spring tube 11 that is provided with in one end of sample 3, press from both sides and get subassembly 33 with the joint of spring tube 11. Specifically, the spring tube 11 is made of a flexible material, so that when the spring tube 11 is expanded, the spring tube can be sleeved on the outer wall of the gripping assembly 33, so that the gripping assembly 33 is gripped by the elastic force of the spring tube 11. The clamping assembly 33 comprises a positioning gasket 331 and a clamp head frame 332 sleeved outside the positioning gasket 331, and one end of the clamp head frame 332 is sleeved on the spring tube 11. The positioning pad 331 is fixedly provided with a positioning rod 333, and the positioning rod 333 is connected with the forceps head holder 332 in an abutting manner. With the above arrangement, the spring tube 11 is connected to the gripper assembly 33 by the clamping holder 332, and the clamping holder 332 is connected to the positioning pad 331 by the positioning rod 333. The clamping assembly 33 further includes a connecting shaft 334 fixedly disposed on one side of the positioning rod 333, the connecting shaft 334 penetrates through the positioning pad 331, the connecting shaft 334 is fixedly connected to the forceps holder 332, and the connecting shaft 334 is parallel to the positioning rod 333. A first clamping head 335 and a second clamping head 336 are respectively hinged on the connecting shaft 334. Through the arrangement of the connecting shaft 334, the positioning washer 331 is positioned by matching with the positioning rod 333, and meanwhile, the connecting shaft 334 can be used as a rotating shaft, so that the first clamping head 335 and the second clamping head 336 are positioned, and meanwhile, the first clamping head 335 and the second clamping head 336 can rotate around the connecting shaft 334. One side of the sampling pull rod 31 facing the connecting shaft 334 is hinged with a first linkage rod 311 and a second linkage rod 312 respectively. The tail part of the first clamping head 335 is hinged with the first linkage rod 311, and the tail part of the second clamping head 336 is hinged with the second linkage rod 312. Through the arrangement of the first linkage rod 311 and the second linkage rod 312, when the pushing rod 21 slides along the axial direction, the first linkage rod 311 and the second linkage rod 312 can be driven to respectively drive the first chuck 335 and the second chuck 336 to synchronously rotate around the connecting shaft 334. Thereby exhibiting the effect of synchronously opening or closing the first jaw 335 and the second jaw 336.

In addition, in order to facilitate the operator to locate the position of the sample to be gripped, a probe 3311 is integrally provided on the positioning pad 331, and the probe 3311 extends into the heads of the first chuck 335 and the second chuck 336. By arranging the probe 3311, the operator can insert the first and

second jaws

335 and 336 into the patient in an open state, and after the probe 3311 is brought into contact with the sample, the operator drives the first and

second jaws

335 and 336 to clamp the sample. In this embodiment, the heads of the first and

second chucks

335 and 336 are flat so that the operator can grip a sample that matches the shape of the heads of the first and

second chucks

335 and 336.

Example two

The present embodiment is implemented on the basis of the first embodiment, in which the heads of the first clamping head 335 and the second clamping head 336 are changed into alligator teeth, so that the operator can take samples which are matched with the shapes of the heads of the first clamping head 335 and the second clamping head 336.

It should be noted that the technical features such as other parts of the biopsy forceps related to the present invention should be regarded as the prior art, and the specific structure, the operation principle, the control mode and the spatial arrangement mode of these technical features may be selected conventionally in the field, and should not be regarded as the invention point of the present invention, and the present invention is not further specifically described in detail.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A split collet for biopsy forceps, comprising:

the device comprises a frame body (1), wherein a sampling cable (2) is arranged on the frame body (1);

the sampling rope (2) is connected with the frame body (1) in a sliding way; wherein

The sampling rope (2) is arranged in a split manner.

2. The split collet for biopsy forceps according to claim 1,

the sampling cable (2) comprises a pushing rod (21) and a sampling part (3) arranged at the end of one end of the pushing rod (21) far away from the frame body (1); wherein

The sampling part (3) is detachably and fixedly connected with the pushing rod (21).

3. The split collet for biopsy forceps according to claim 2,

sample portion (3) are in including sample pull rod (31) and fixed setting sample pull rod (31) one end cooperation subassembly (32), cooperation groove (211) have been seted up to push rod (21) inner wall, cooperation subassembly (32) with cooperation groove (211) are corresponding.

4. The split collet for biopsy forceps according to claim 3,

the matching component (32) comprises two sliding blocks (321) arranged in a mirror image manner, two guide grooves (212) are formed in the push rod (21) along the axial direction, and the sliding blocks (321) correspond to the guide grooves (212);

the guide groove (212) is communicated with the matching groove (211);

the matching assembly (32) further comprises telescopic fixture blocks (322) arranged between the two sliding blocks (321) in a mirror image manner, a telescopic groove (323) is formed in the tail portion of the sampling portion (3) in the radial direction, and the two telescopic fixture blocks (322) are arranged in the telescopic groove (323) in a sliding manner;

an adjusting spring (324) is arranged between the two telescopic clamping blocks (322), and two ends of the adjusting spring (324) are respectively fixed with the inner side walls of the two telescopic clamping blocks (322).

5. The split collet for biopsy forceps according to claim 4,

a clamping assembly (33) is arranged at one end, away from the matching assembly (32), of the sampling pull rod (31), a spring tube (11) is fixedly arranged at one end, facing the sampling part (3), of the frame body (1), and the clamping assembly (33) is clamped with the spring tube (11);

the clamping assembly (33) comprises a positioning gasket (331) and a clamp head frame (332) sleeved on the outer side of the positioning gasket (331), and one end of the clamp head frame (332) is sleeved on the spring tube (11);

the positioning gasket (331) is fixedly provided with a positioning rod (333), and the positioning rod (333) is connected with the forceps head frame (332) in an abutting mode.

6. The split collet for bioptome of claim 5,

the clamping assembly (33) further comprises a connecting shaft (334) fixedly arranged on one side of the positioning rod (333), the connecting shaft (334) penetrates through the positioning gasket (331), the connecting shaft (334) is fixedly connected with the clamp head frame (332), and the connecting shaft (334) and the positioning rod (333) are arranged in parallel.

7. The split collet for biopsy forceps according to claim 6,

a first clamping head (335) and a second clamping head (336) are respectively hinged on the connecting shaft (334), and a first linkage rod (311) and a second linkage rod (312) are respectively hinged on one side of the sampling pull rod (31) facing the connecting shaft (334);

the tail part of the first clamping head (335) is hinged with the first linkage rod (311);

the tail part of the second clamping head (336) is hinged with the second linkage rod (312).

8. The split collet for biopsy forceps according to claim 7,

the positioning gasket (331) is also integrally provided with a probe (3311), and the probe (3311) extends into the heads of the first chuck (335) and the second chuck (336).

9. The split collet for biopsy forceps according to claim 8,

the head parts of the first clamping head (335) and the second clamping head (336) are flat.

10. The split collet for biopsy forceps according to claim 8,

the heads of the first collet (335) and the second collet (336) are alligator-shaped.