CN215191840U

CN215191840U - Biopsy forceps with snare

Info

Publication number: CN215191840U
Application number: CN202121252676.1U
Authority: CN
Inventors: 曹顺金
Original assignee: TIANJIN BAODI DISTRICT HOSPITAL OF TRADITIONAL CHINESE MEDICINE
Current assignee: TIANJIN BAODI DISTRICT HOSPITAL OF TRADITIONAL CHINESE MEDICINE
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-12-17
Anticipated expiration: 2031-06-04

Abstract

The utility model belongs to the technical field of medical instruments, in particular to a biopsy forceps with a snare, which comprises a forceps body, a forceps head, a first pull rope and a tensioning component; the clamp head is fixedly connected to the end part of the clamp body; first through holes are formed in the interior of the tong head and the inner wall of one end of the tong body; a sliding groove is formed in the caliper body; the first through hole is communicated with the sliding groove; a fixed cylinder is arranged inside the sliding chute; one end of the first pull rope is fixedly connected to the outer wall of the tong head, and the other end of the first pull rope is fixedly connected with the tensioning assembly inside the sliding chute; the tensioning assembly is arranged inside the sliding groove; the tensioning assembly comprises a spring, a sliding block, a roller, a second pull rope, a fixed block and a pull rod; one end of the spring is fixedly connected to the bottom of the sliding chute, and the other end of the spring is fixedly connected to the bottom of the sliding block; the sliding block is connected inside the sliding groove in a sliding manner; through setting up taut subassembly for first stay cord can sting to cut the sample to patient's pathological change department, and the sample is once only accomplished to cooperation biopsy forceps pincers, improves biopsy forceps sampling efficiency.

Description

Biopsy forceps with snare

Technical Field

The utility model belongs to the technical field of medical instrument, specific biopsy forceps with snare that says so.

Background

A bioptome is a surgical instrument similar to a pair of scissors used as a grasping tool in surgery, when a doctor needs to examine the tissue for diseases, to take a biopsy, and by testing the tissue taken during the biopsy, the doctor can diagnose the patient and determine the most appropriate treatment, or exclude certain diseases, and there are two basic types of bioptomes: locking and unlocking, the locking jaws being used to grasp tissue and the unlocking jaws being used to move tissue.

When the traditional biopsy forceps in the prior art are used for examining and sampling a lesion part, only tissues can be clamped independently, and when the tissues needing to be bitten and cut by a snare are encountered, the tissues need to be replaced alternately, so that the pain of a patient is increased, excessive bleeding of the patient is caused, and the sampling efficiency of the biopsy forceps is reduced.

SUMMERY OF THE UTILITY MODEL

In order to compensate the deficiency of the prior art, solve traditional biopsy forceps when examining the sample for the pathological change position, only can carry out the centre gripping tissue alone, meet the tissue that needs sting the cut with the snare, just need change the operation in turn, so, both increased patient's misery, can cause patient to bleed too much again, reduced biopsy forceps sampling efficiency, the utility model provides a biopsy forceps with snare.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a biopsy forceps with a snare, which comprises a forceps body, a forceps head, a first pull rope and a tensioning component; the clamp head is fixedly connected to the end part of the clamp body; first through holes are formed in the interior of the tong head and the inner wall of one end of the tong body; a sliding groove is formed in the caliper body; the first through hole is communicated with the sliding groove; a fixed cylinder is arranged inside the sliding chute; one end of the first pull rope is fixedly connected to the outer wall of the tong head, and the other end of the first pull rope is fixedly connected with the tensioning assembly inside the sliding chute; the tensioning assembly is arranged inside the sliding groove; the tensioning assembly comprises a spring, a sliding block, a roller, a second pull rope, a fixed block and a pull rod; one end of the spring is fixedly connected to the bottom of the sliding chute, and the other end of the spring is fixedly connected to the bottom of the sliding block; the sliding block is connected inside the sliding groove in a sliding manner; a first buckle is fixedly connected to the center of the bottom of the sliding block; the end part of the first pull rope is fixedly connected to the outer wall of the first buckle; the top of the sliding block is symmetrically and fixedly connected with a second buckle; the roller is rotatably connected to the inner wall of the sliding chute; the bottom of the fixed block is fixedly connected with a third buckle; one end of the second pull rope is fixedly connected to the outer wall of the second buckle, and the other end of the second pull rope is fixedly connected with the outer wall of the third buckle through a roller; the fixed block is arranged in the fixed cylinder; the pull rod is fixedly connected to the top of the fixed block; the sampling is completed at one time by matching with the forceps holder of the biopsy forceps, so that the sampling efficiency of the biopsy forceps is improved.

Preferably, an adjusting component is arranged inside the fixed cylinder; the adjusting assembly comprises a sleeve, a second through hole, a support rod, a rotary cover, a third through hole and a fourth through hole; the inner wall of the fixed cylinder is provided with threads; the outer wall of the sleeve is provided with threads; the sleeve is arranged in the fixed cylinder and is in threaded fit with the fixed cylinder; the fixed block is connected inside the sleeve in a sliding manner; the second through hole is formed in the centers of the inner walls of the two ends of the sleeve; the bottoms of the supporting rods are symmetrically and fixedly connected to the top of the sleeve; the rotary cover is fixedly connected to the top of the support rod; the third through hole is formed in the inner wall of the caliper body and communicated with the inside of the fixed cylinder; the fourth through hole is formed in the inner wall of the center of the spiral cover; the support rod is arranged at the bottom of the spiral cover through a third through hole; the pull rod is arranged at the top of the rotary cover through the third through hole and the fourth through hole; conveniently adjust the rope circle size that first stay cord encloses, be suitable for not equidimension specification pathological change department and sting and cut the sample.

Preferably, both sides of the forceps head are symmetrically provided with forceps jaws; the outer wall of the forceps clip is provided with a plurality of groups of saw teeth; the clamping of the lesion tissue is convenient.

Preferably, the outer wall of the end part of the clamp body is symmetrically hinged with clamp handles; the doctor can conveniently control and operate the forceps clamps.

Preferably, a plurality of groups of rollers are symmetrically arranged inside the sliding groove; the second pull rope is limited.

Preferably, the forceps head, the forceps body, the forceps jaws and the forceps handles are made of high-grade carbon steel; the biopsy forceps are convenient to clean and sterilize, and the using efficiency of the biopsy forceps is improved.

The utility model has the advantages as follows:

1. the utility model discloses a binding clip, first stay cord, a spring, a slide block, the gyro wheel, the second stay cord, the structural design of fixed block and pull rod, reach the internal pathological change tissue department of patient when the binding clip, the becket that encloses through first stay cord surrounds pathological change department tissue bottom, the pulling pull rod makes the fixed block remove inside the sleeve, and drawing the slider through the second stay cord and sliding inside the spout, because slider bottom rigid coupling has first stay cord and spring, make the snare that first stay cord encloses dwindle, sting the tissue of pathological change department of patient and cutting, the cooperation forceps holder carries out the centre gripping sample to the tissue, improve biopsy forceps's sampling efficiency, spring cooperation slider is not receiving the second stay cord simultaneously, fixed block and pull rod pulling force effect down, make the slider reset, improve taut subassembly's availability factor.

2. The utility model discloses a structural design of sleeve, second through-hole, branch, spiral cover moves the spiral cover through twisting for the sleeve rotates through screw-thread fit inside the solid fixed cylinder, makes the second stay cord that the fixed block bottom set up pull slider and first stay cord and remove, and makes the spring tensile, makes the becket bridle that encloses of the first stay cord of slider bottom rigid coupling diminish, and the taut subassembly of cooperation realizes stinging the eager appearance of getting to the pathological change tissue of different specifications size, improves biopsy forceps's practicality.

Drawings

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

FIG. 1 is a cross-sectional view of the first embodiment;

FIG. 2 is an enlarged view of the structure A in FIG. 1 according to the present embodiment;

FIG. 3 is an enlarged view of the structure B in FIG. 1 according to the present embodiment;

FIG. 4 is an enlarged view of a structure at C in FIG. 1 according to the present embodiment;

FIG. 5 is an enlarged view of the structure at D in FIG. 1 according to this embodiment

Fig. 6 is a front view of the caliper body of the second embodiment.

In the figure: 1. a clamp body; 11. a first through hole; 12. a chute; 13. a fixed cylinder; 14. a first buckle; 15. a second buckle; 16. a third buckle; 2. a binding clip; 3. a first pull cord; 41. a spring; 42. a slider; 43. a roller; 44. a second pull cord; 45. a fixed block; 46. a pull rod; 51. a sleeve; 52. a second through hole; 53. a strut; 54. screwing a cover; 55. a third through hole; 56. a fourth via hole; 6. clamping jaws; 7. a clamp handle; 8. and (7) a rubber pad.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

As shown in fig. 1 to 5, the biopsy forceps with snare according to the present invention includes a forceps body 1, a forceps head 2, a first pull rope 3 and a tensioning assembly; the forceps head 2 is fixedly connected to the end part of the forceps body 1; the interior of the binding clip 2 and the inner wall of one end of the binding clip body 1 are both provided with a first through hole 11; a chute 12 is arranged in the forceps body 1; the first through hole 11 is communicated with the chute 12; a fixed cylinder 13 is arranged in the chute 12; one end of the first pull rope 3 is fixedly connected to the outer wall of the tong head 2, and the other end of the first pull rope is fixedly connected with the tensioning assembly in the sliding chute 12; the tensioning assembly is arranged inside the chute 12; the tensioning assembly comprises a spring 41, a sliding block 42, a roller 43, a second pull rope 44, a fixed block 45 and a pull rod 46; one end of the spring 41 is fixedly connected to the bottom of the sliding groove 12, and the other end of the spring is fixedly connected to the bottom of the sliding block 42; the sliding block 42 is connected inside the sliding chute 12 in a sliding manner; a first buckle 14 is fixedly connected to the center of the bottom of the sliding block 42; the end part of the first pull rope 3 is fixedly connected with the outer wall of the first buckle 14; the top of the sliding block 42 is symmetrically and fixedly connected with a second buckle 15; the roller 43 is rotatably connected to the inner wall of the chute 12; the bottom of the fixed block 45 is fixedly connected with a third buckle 16; one end of the second pull rope 44 is fixedly connected to the outer wall of the second buckle 15, and the other end of the second pull rope is fixedly connected with the outer wall of the third buckle 16 through the roller 43; the fixed block 45 is arranged inside the fixed cylinder 13; the pull rod 46 is fixedly connected to the top of the fixed block 45; the during operation, reach pathological change tissue department in the patient when binding clip 2, enclose pathological change department tissue bottom through the becket that first stay cord 3 encloses, pulling pull rod 46 makes fixed block 45 move inside sleeve 51, and drawing slider 42 through second stay cord 44 and sliding inside spout 12, because slider 42 bottom rigid coupling has first stay cord 3 and spring 41, make the snare that first stay cord 3 encloses dwindle, sting the pathological change department tissue of patient, cooperation forceps holder 6 carries out the centre gripping sample to the tissue, improve biopsy forceps's sampling efficiency, spring 41 cooperation slider 42 is not receiving second stay cord 44 simultaneously, under fixed block 45 and the pull rod 46 pulling force effect, make slider 42 reset, improve taut subassembly's availability factor.

An adjusting component is arranged inside the fixed cylinder 13; the adjusting assembly comprises a sleeve 51, a second through hole 52, a support rod 53, a rotary cover 54, a third through hole 55 and a fourth through hole 56; the inner wall of the fixed cylinder 13 is provided with threads; the outer wall of the sleeve 51 is provided with threads; the sleeve 51 is arranged inside the fixed cylinder 13 and is in threaded fit with the fixed cylinder 13; the fixed block 45 is connected inside the sleeve 51 in a sliding manner; the second through hole 52 is formed in the center of the inner wall of each end of the sleeve 51; the bottoms of the supporting rods 53 are symmetrically and fixedly connected to the top of the sleeve 51; the rotary cover 54 is fixedly connected to the top of the support rod 53; the third through hole 55 is formed in the inner wall of the caliper body 1 and is communicated with the inside of the fixed cylinder 13; the fourth through hole 56 is formed in the inner wall of the center of the spiral cover 54; the support rod 53 is arranged at the bottom of the screw cap 54 through a third through hole 55; the pull rod 46 is arranged at the top of the rotary cover 54 through a third through hole 55 and a fourth through hole 56; during operation, through twisting the spiral cover 54 for sleeve 51 is inside to rotate through screw-thread fit at solid fixed cylinder 13, makes second stay cord 44 that fixed block 45 bottom set up pull slider 42 and first stay cord 3 and removes, and makes spring 41 tensile, makes the becket bridle that encloses of the first stay cord 3 of slider 42 bottom rigid coupling diminish, cooperates taut subassembly, realizes stinging the eager appearance of getting to the pathological change tissue of different specifications size, improves biopsy forceps's practicality.

The two sides of the binding clip 2 are symmetrically provided with a forceps holder 6; the outer wall of the forceps holder 6 is provided with a plurality of groups of saw teeth; the outer wall of the end part of the pliers body 1 is symmetrically hinged with pliers handles 7; a plurality of groups of rollers 43 are symmetrically arranged in the chute 12; the forceps head 2, the forceps body 1, the forceps holder 6 and the forceps handle 7 are made of high-grade carbon steel; when the biopsy forceps work, the sawteeth on the outer wall of the forceps holder 6 are used for conveniently clamping tissues of a lesion part, and the forceps head 2, the forceps body 1, the forceps holder 6 and the forceps handle 7 are made of high-grade carbon steel materials, so that the biopsy forceps can be conveniently cleaned and sterilized, and the service efficiency of the biopsy forceps is improved.

Example two

Referring to fig. 6, in a first comparative example, as another embodiment of the present invention, rubber pads 8 are disposed at the finger holding portions of the forceps handles 7; when the forceps are in work, the forceps handle 7 is held by fingers to control the forceps holder 6, tissue clamping of a lesion part is completed, and the rubber pad 8 is arranged, so that the effects of skid resistance and convenience in operation can be achieved.

The working principle is as follows: when the forceps head 2 reaches the lesion tissue of a patient, the bottom of the lesion tissue is surrounded by a rope loop surrounded by the first pull rope 3, the pull rod 46 is pulled to enable the fixed block 45 to move inside the sleeve 51, and the slide block 42 is pulled to slide inside the sliding groove 12 through the second pull rope 44, because the first pull rope 3 and the spring 41 are fixedly connected to the bottom of the slide block 42, the snare surrounded by the first pull rope 3 is reduced, the lesion tissue of the patient is bitten and cut, the tissue is clamped and sampled by matching with the forceps 6, the sampling efficiency of the biopsy forceps is improved, meanwhile, the slide block 42 is reset by matching with the spring 41 and the slide block 42 under the action of the pulling force of the second pull rope 44, the fixed block 45 and the pull rod 46, the use efficiency of the tensioning assembly is improved, the sleeve 51 rotates inside the fixed cylinder 13 through thread matching by screwing the screw cap 54, and the slide block 42 and the first pull rope 3 are pulled by the second pull rope 44 arranged at the bottom of the fixed block 45, and make spring 41 tensile, make the becket bridle that first stay cord 3 of slider 42 bottom rigid coupling encloses diminish, the taut subassembly of cooperation, the realization is bitten and is cut the sampling to the pathological change tissue of different specifications size, improve biopsy forceps's practicality, utilize the sawtooth of 6 outer walls of forceps holder, conveniently carry out the centre gripping to pathological change position tissue, binding clip 2, the pincers body 1, forceps holder 6 and pincers are 7 materials for senior carbon steel material, can conveniently wash the disinfection, improve biopsy forceps's availability factor, grip the pincers through the finger and realize control 7 forceps holder 6, the completion is to pathological change position tissue centre gripping, through setting up rubber pad 8, can play the effect of antiskid and convenient operation.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A biopsy forceps with a snare characterized by: comprises a clamp body (1), a clamp head (2), a first pull rope (3) and a tensioning assembly; the clamp head (2) is fixedly connected with the end part of the clamp body (1); first through holes (11) are formed in the inner part of the tong head (2) and the inner wall of one end of the tong body (1); a sliding groove (12) is formed in the caliper body (1); the first through hole (11) is communicated with the sliding groove (12); a fixed cylinder (13) is arranged in the chute (12); one end of the first pull rope (3) is fixedly connected to the outer wall of the tong head (2), and the other end of the first pull rope is fixedly connected with the tensioning assembly in the sliding chute (12); the tensioning assembly is arranged inside the sliding groove (12);

the tensioning assembly comprises a spring (41), a sliding block (42), a roller (43), a second pull rope (44), a fixed block (45) and a pull rod (46); one end of the spring (41) is fixedly connected to the bottom of the sliding groove (12), and the other end of the spring is fixedly connected to the bottom of the sliding block (42); the sliding block (42) is connected inside the sliding groove (12) in a sliding manner; a first buckle (14) is fixedly connected to the center of the bottom of the sliding block (42); the end part of the first pull rope (3) is fixedly connected to the outer wall of the first buckle (14); the top of the sliding block (42) is symmetrically and fixedly connected with a second buckle (15); the roller (43) is rotatably connected to the inner wall of the chute (12); the bottom of the fixed block (45) is fixedly connected with a third buckle (16); one end of the second pull rope (44) is fixedly connected to the outer wall of the second buckle (15), and the other end of the second pull rope is fixedly connected with the outer wall of the third buckle (16) through a roller (43); the fixed block (45) is arranged inside the fixed cylinder (13); the pull rod (46) is fixedly connected to the top of the fixed block (45).

2. A bioptome having a snare according to claim 1, wherein: an adjusting component is arranged inside the fixed cylinder (13); the adjusting assembly comprises a sleeve (51), a second through hole (52), a support rod (53), a screw cap (54), a third through hole (55) and a fourth through hole (56); the inner wall of the fixed cylinder (13) is provided with threads; the outer wall of the sleeve (51) is provided with threads; the sleeve (51) is arranged inside the fixed cylinder (13) and is in threaded fit with the fixed cylinder (13); the fixed block (45) is connected inside the sleeve (51) in a sliding manner; the second through hole (52) is formed in the center of the inner walls of the two ends of the sleeve (51); the bottoms of the supporting rods (53) are symmetrically and fixedly connected to the top of the sleeve (51); the rotary cover (54) is fixedly connected to the top of the support rod (53); the third through hole (55) is formed in the inner wall of the caliper body (1) and communicated with the inside of the fixed cylinder (13); the fourth through hole (56) is formed in the inner wall of the center of the rotary cover (54); the support rod (53) is arranged at the bottom of the rotary cover (54) through a third through hole (55); the pull rod (46) is arranged at the top of the rotary cover (54) through a third through hole (55) and a fourth through hole (56).

3. A bioptome having a snare according to claim 2, wherein: the two sides of the tong head (2) are symmetrically provided with tongs clamps (6); the outer wall of the forceps holder (6) is provided with a plurality of groups of saw teeth.

4. A bioptome having a snare according to claim 3, wherein: the outer wall of the end part of the pliers body (1) is symmetrically hinged with pliers handles (7).

5. A biopsy forceps with a snare according to claim 4, wherein: the rollers (43) are symmetrically provided with a plurality of groups in the sliding groove (12).

6. A bioptome having a snare according to claim 5, wherein: the forceps head (2), the forceps body (1), the forceps jaws (6) and the forceps handle (7) are made of high-grade carbon steel materials.