CN218636023U

CN218636023U - Bronchoscope biopsy forceps

Info

Publication number: CN218636023U
Application number: CN202222182879.9U
Authority: CN
Inventors: 史燕蒙; 张颖
Original assignee: First Medical Center of PLA General Hospital
Current assignee: First Medical Center of PLA General Hospital
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2023-03-17
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a bronchoscope biopsy forceps, including the protection subassembly, the inside demountable installation of protection subassembly has the absorption subassembly, and the inside movable mounting who absorbs the subassembly has the extraction subassembly, and the lower extreme demountable installation of extraction subassembly has pincers to get the subassembly, and the lower extreme movable mounting who extracts the subassembly has the imbibition subassembly. The utility model discloses a subassembly is got to imbibition subassembly and pincers can sample solid and liquid tissue to the commonality of reinforcing biopsy forceps is convenient for get the dismantlement change work of subassembly volume imbibition subassembly through screw rod, stationary blade fluorescent tube to pincers simultaneously, provides convenient for the user.

Description

Bronchoscope biopsy forceps

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a bronchoscope biopsy forceps.

Background

Biopsy forceps are generally used for an instrument for extracting and examining living tissues of a focus in a bronchoscope examination process, wherein the application number of the biopsy forceps is "a puncture forceps biopsy needle used under a bronchoscope" disclosed by "CN201921204314.8", and is also an increasingly mature technology, the biopsy forceps can be directly punctured and can be accurately sent into a mediastinal lesion through a nested structure of the puncture needle and the biopsy forceps through the puncture needle, so that two operations of transbronchial needle aspiration biopsy and transbronchial forceps biopsy are realized on the same device, the flexibility of the operation is increased, and further retrieval shows that the transtracheal multifunctional biopsy forceps disclosed by the application number of "CN 922011048793.9" is also a mature technology, and integrates multiple functions of negative pressure sputum aspiration, flushing, drug delivery and biopsy sampling, so that the practicability of the tracheal forceps is practically improved, but the forceps bodies of the two types have the following defects when being used for the bronchoscope biopsy:

the structure of the biopsy forceps is single, so that the forceps can only be used for solid prevention of a lesion part through the biopsy forceps, in addition, the quality of the puncture needle is reduced due to long-term use, the use effect can be influenced, and the puncture needle is not convenient and fast enough in disassembly and assembly, so that more time is required to be consumed in replacement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bronchoscope biopsy forceps to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a bronchoscope biopsy forceps comprises a protection assembly, wherein a suction assembly is detachably mounted inside the protection assembly, an extraction assembly is movably mounted inside the suction assembly, a forceps taking assembly is detachably mounted at the lower end of the extraction assembly, and a liquid suction assembly is movably mounted at the lower end of the extraction assembly;

the protection component comprises a shell, wherein force-bearing rings are fixed on two sides of the upper end of the shell, and a first screw hole is formed in the upper end of the shell.

As a preferred scheme of the utility model, absorb the subassembly including installing in the inside pipe of receiving of shell, the accommodation hole has been seted up in what activity of receiving the pipe, the side surface seting up screw thread of receiving the pipe, receive the inside of pipe through threaded connection at first screw.

As a preferred scheme of the utility model, the extraction subassembly is including installing in the inside pull pole of absorption pipe, reset spring has been cup jointed in the lower extreme activity of pull pole, the lower extreme fixed mounting of pull pole has spacing piece, the inside demountable installation of lower extreme of pull pole has the screw rod.

As a preferred scheme of the utility model, the second screw has been seted up to the lower extreme of pull pole, screw rod threaded connection is in the inside of second screw, the upper end fixed mounting of pull pole has the pull ring.

As a preferred scheme of the utility model, the subassembly is got including installing in the telescopic strip of screw rod lower extreme to pincers, two pincers of lower extreme fixedly connected with of telescopic strip get the piece.

As a preferred scheme of the utility model, imbibition subassembly is including installing the stationary blade in the shell lower extreme, the inside fixed grafting of stationary blade has the pipette.

As a preferred scheme of the utility model, the length of shell agrees with the admission pipe mutually.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses can extract the inspection to the solid and the liquid tissue of pathological change position, when preventing to carry out the pincers to the solid and get, with screw rod threaded connection inside first screw, thereby make flexible strip and pincers get the piece and can be connected with the pull pole, when carrying out the pincers to the solid tissue and get, at first pulling pull the pull pole upwards to take out, and extension piece extension makes two pincers get the piece and merge when reset spring shrink, the pincers get the piece and can take off the solid tissue of a small amount of pathological change positions when getting the piece and merge, when needing to carry out the pincers to the liquid tissue and get, it dismantles to get the subassembly to pincers, afterwards all install stationary blade and pipette at the lower extreme of shell, inject the lower extreme of pipette in the liquid of pathological change position, can take the liquid tissue out through pull pole afterwards, can accomplish the extraction to solid and liquid tissue through changing pincers and get subassembly, thereby strengthen the commonality of biopsy pincers, better children are applicable to the bronchoscopy and use;

2. the utility model discloses can also be convenient for simultaneously get the subassembly to pincers, imbibition subassembly and absorption subassembly are dismantled, can take out the change from first screw hole with holding the pipe through rotating holding the pipe when needs are dismantled to holding the pipe, can accomplish the dismantlement of getting the subassembly to pincers through taking out the screw rod from the second screw simultaneously, take off the lower extreme of follow shell with stationary blade and pipette and accomplish the change to the imbibition subassembly after that, can accomplish the dismouting work to each subassembly through above structure, it is convenient for the user to provide.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is an exploded view of the structure of the grasping assembly of the present invention;

fig. 4 is an exploded view of the structure liquid suction assembly of the present invention.

In the figure: 1. a protection component; 11. a housing; 12. a force-borrowing ring; 13. a first screw hole; 2. a suction assembly; 21. a suction tube; 22. an accommodation hole; 3. an extraction assembly; 31. a pull rod; 32. a return spring; 33. a limiting sheet; 34. a screw; 311. a second screw hole; 312. a pull ring; 4. clamping the assembly; 41. a telescopic bar; 42. taking the slices by clamping; 5. a wicking assembly; 51. a fixing sheet; 52. a pipette.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a bronchoscope biopsy forceps comprises a protection component 1, wherein an absorption component 2 is detachably mounted in the protection component 1, an extraction component 3 is movably mounted in the absorption component 2, a forceps component 4 is detachably mounted at the lower end of the extraction component 3, and a liquid absorption component 5 is movably mounted at the lower end of the extraction component 3;

the protection component 1 comprises a shell 11, wherein force-bearing rings 12 are fixed on two sides of the upper end of the shell 11, and a first screw hole 13 is formed in the upper end of the shell 11.

Specifically, can improve the protection to absorbing assembly 2 through shell 11, avoid absorbing assembly 2 and break to prolong biopsy forceps's life, borrow power ring 12 simultaneously and be used for borrowing power when extracting solid or liquid tissue, thereby convenient to use, first screw 13 is used for fixing absorbing assembly 2.

In this embodiment: the suction component 2 comprises a suction pipe 21 arranged inside the shell 11, the yarn surface of the suction pipe 21 is movably provided with a containing hole 22, the side surface of the suction pipe 21 is provided with a thread, and the suction pipe 21 is connected inside the first screw hole 13 through the thread.

Specifically, when the suction pipe 21 is fixed, the suction pipe 21 and the first screw hole 13 can be screwed together by a screw, and the suction pipe 21 is fixed, and the accommodation hole 22 is used for accommodating the liquid tissue at the suction site.

In this embodiment: the extracting component 3 comprises a drawing rod 31 arranged inside the accommodating pipe 21, a reset spring 32 is movably sleeved at the lower end of the drawing rod 31, a limiting piece 33 is fixedly arranged at the lower end of the drawing rod 31, a screw rod 34 is detachably arranged inside the lower end of the drawing rod 31, a second screw hole 311 is formed in the lower end of the drawing rod 31, the screw rod 34 is in threaded connection inside the second screw hole 311, and a pull ring 312 is fixedly arranged at the upper end of the drawing rod 31.

Specifically, when solid or liquid tissue is clamped or sucked, the pull rod 31 is pulled by the pull ring 312 to complete sampling of the solid or liquid tissue.

In this embodiment: the clamping assembly 4 comprises a telescopic bar 41 arranged at the lower end of the screw 34, and two clamping sheets 42 are fixedly connected to the lower end of the telescopic bar 41.

Specifically, when pincers are got to solid tissue, twitch pull rod 31 and make pull rod 31 upwards take out, reset spring 32 shrink under spacing piece 33's effect simultaneously, the extension of expansion strip 41 makes two pincers get piece 42 and merge this moment to the work is got to the pincers of accomplishing solid tissue, gets the completion back at pincers, loosens pull ring 312, and pull rod 31 resets under reset spring 32's effect, so that use next time.

In this embodiment: the pipette assembly 5 includes a fixing plate 51 attached to the lower end of the housing 11, and a pipette 52 is fixed to the inside of the fixing plate 51.

Specifically, when the liquid tissue is sampled, the pipette 52 is inserted into the liquid tissue, the pull ring 312 is pulled to pull the pull rod 31 upward, and a negative pressure is formed in the suction tube 21, so that the liquid tissue is sucked out, and the liquid tissue sampling operation is completed.

In this embodiment: the length of the housing 11 is matched with the suction pipe 21.

Specifically, the length of the housing 11 and the accommodating tube 21 are matched to completely protect the accommodating tube 21 by the housing 11, thereby avoiding the conditions that the accommodating tube 21 is worn due to dead angles.

The working principle is as follows: in carrying out children's bronchoscopy in-process, this utility model discloses when pincers are got solid tissue, at first with screw rod 34 threaded connection inside second screw 311, flexible strip 41 and pincers that fix mutually with screw rod 34 this moment get the work with pincers, when carrying out pincers and get solid tissue, cut off a small amount of solid tissue through the operation scissors, use pincers to get piece 42 and be close to solid tissue afterwards, upwards pull pole 31 can make reset spring 32 shrink, flexible strip 41 extension merges and makes two pincers get piece 42 merge each other simultaneously, accomplish the pincers of pipette to solid tissue and get, when needing to take a sample to liquid tissue, take out screw rod 34 from second screw 311, fix stationary blade 51 and pipette 52 inside first screw 13 of shell 11 lower extreme afterwards, peg graft inside liquid tissue with stationary blade 52, thereby pull pole 31 makes and take in the intraductal negative pressure of taking in 21 and take in liquid tissue inside 52, thereby accomplish the sample to liquid tissue.

Claims

1. A bronchoscope biopsy forceps comprises a protection component (1), and is characterized in that: the protection device is characterized in that a suction component (2) is detachably mounted in the protection component (1), an extraction component (3) is movably mounted in the suction component (2), a clamping component (4) is detachably mounted at the lower end of the extraction component (3), and a liquid suction component (5) is movably mounted at the lower end of the extraction component (3);

the protection component (1) comprises a shell (11), wherein force-bearing rings (12) are fixed on two sides of the upper end of the shell (11), and first screw holes (13) are formed in the upper end of the shell (11).

2. A bronchoscopic bioptome according to claim 1, wherein: the suction assembly (2) comprises a suction pipe (21) arranged inside the shell (11), an accommodating hole (22) is formed in the yarn surface of the suction pipe (21) in a movable mode, threads are formed in the side surface of the suction pipe (21), and the suction pipe (21) is connected inside the first screw hole (13) through threads and threads.

3. A bronchoscopic biopsy forceps according to claim 1, characterized in that: the drawing assembly (3) comprises a drawing rod (31) installed inside the suction pipe (21), a reset spring (32) is movably sleeved at the lower end of the drawing rod (31), a limiting piece (33) is fixedly installed at the lower end of the drawing rod (31), and a screw rod (34) is detachably installed inside the lower end of the drawing rod (31).

4. A bronchoscopic biopsy forceps according to claim 3, characterized in that: the lower end of the pull rod (31) is provided with a second screw hole (311), the screw rod (34) is in threaded connection with the inside of the second screw hole (311), and the upper end of the pull rod (31) is fixedly provided with a pull ring (312).

5. A bronchoscopic bioptome according to claim 3, wherein: the clamping assembly (4) comprises an expansion bar (41) arranged at the lower end of the screw rod (34), and two clamping pieces (42) are fixedly connected to the lower end of the expansion bar (41).

6. A bronchoscopic bioptome according to claim 1, wherein: the liquid suction assembly (5) comprises a fixing plate (51) arranged at the lower end of the shell (11), and a liquid suction pipe (52) is fixedly inserted into the fixing plate (51).

7. A bronchoscopic biopsy forceps according to claim 1, characterized in that: the length of the shell (11) is matched with that of the absorbing pipe (21).