CN212816356U

CN212816356U - Biopsy forceps of electronic bronchoscope capable of changing jaw angle

Info

Publication number: CN212816356U
Application number: CN202020892450.7U
Authority: CN
Inventors: 陈菊春; 罗壮; 邓晓飞
Original assignee: First Affiliated Hospital of Kunming Medical University
Current assignee: First Affiliated Hospital of Kunming Medical University
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-03-30
Anticipated expiration: 2030-05-25

Abstract

The utility model relates to a living tissue sampling forceps of an electronic bronchoscope capable of changing a jaw angle, which comprises a push-pull ring, a sleeve and a jaw structure, wherein the bottom of the push-pull ring is provided with a connecting rod, the bottom of the connecting rod is provided with a steel wire, the steel wire is arranged in the sleeve, the top of the sleeve is provided with a fixed seat, the connecting rod is arranged in the fixed seat, one side of the connecting rod is provided with a steering wheel, the steering wheel is movably connected with the top of the fixed seat through a rotating shaft, a steering wheel is arranged below the steering wheel, the sleeve is movably connected with the jaw structure through a connecting shaft, one side of the connecting shaft is provided with a torsional spring, a mounting seat is arranged below the torsional spring, the mounting seat is fixedly connected with the jaw structure, the structure is simple, the design is reasonable, the, meanwhile, the operation is convenient, and the tissue parts are more extensive and can easily reach the lung lobes and the lungs which are difficult to enter.

Description

Biopsy forceps of electronic bronchoscope capable of changing jaw angle

Technical Field

The utility model relates to a living tissue sampling forceps of an electronic bronchoscope capable of changing the jaw angle, belonging to the technical field of medical instruments.

Background

The electronic bronchoscope biopsy is the most reliable means for diagnosing lung tumor, and is widely applied in clinic, the sampling forceps of the existing bronchoscope biopsy can only open and close the jaws and are straight jaws, however, the positions of some trachea sections, such as upper lung lobes, back sections and sharp sections, are difficult to reach by the straight jaws, and the difficulty is often brought to biopsy for disease examination, so how to manufacture the biopsy sampling forceps of the electronic bronchoscope capable of changing the jaw angle becomes the problem which needs to be solved at present.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the existing defects, and provide a living tissue sampling forceps of an electronic bronchoscope, which can change the jaw angle, and can conveniently carry out bidirectional operation on the opening and closing of the forceps head by arranging a steel wire; mode operation space demand through the push-and-pull is littleer, through setting up the steering wheel, can carry out the tractive to connecting the rope to the angle of structure of keeping silent is kept silent in the pulling, and the difficult place that arrives of certain gas pipe section position of being convenient for gets the sick tissue of examining, through setting up the rack, can make the binding clip carry out the synchronization action, thereby guarantees to press from both sides the effect of getting, can effectively solve the problem among the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

a living tissue sampling forceps of an electronic bronchoscope capable of changing a jaw angle comprises a push-pull ring, a sleeve and a jaw structure, wherein a connecting rod is arranged at the bottom of the push-pull ring, a steel wire is installed at the bottom end of the connecting rod, the steel wire is arranged in the sleeve, a fixed seat is arranged at the top of the sleeve, the connecting rod is arranged in the fixed seat, a steering wheel is arranged at one side of the connecting rod and is movably connected with the top of the fixed seat through a rotating shaft, a steering wheel is arranged below the steering wheel, the sleeve is movably connected with the jaw structure through a connecting shaft, a torsional spring is arranged at one side of the connecting shaft, an installation seat is arranged below the torsional spring and is fixedly connected with the jaw structure, a connecting rope is installed at the top of the installation seat, the top of the connecting rope bypasses the steering wheel and is connected with the bottom of, the top of the binding clip is provided with gears, the gears are symmetrically arranged on the inner wall of the jaw structure, gear strips are connected between the gears in a meshed mode, and the gear strips are fixedly connected with the bottom end of the steel wire.

Further, a finger groove is formed in the outer side of the fixing seat.

Furthermore, the inner wall of the push-pull ring is of an arc-shaped structure, and an anti-skid sleeve is arranged on the inner wall of the push-pull ring.

Further, the movable rod of the torsional spring is respectively attached to the inner walls of the sleeve and the jaw structure, and the right side of the torsional spring is connected with the sleeve through the support frame.

Further, keep silent the structure inner wall symmetry and be provided with the slide, just the rack sets up in the slide, the slide top is provided with the fixed plate, install the tractive spring between fixed plate and the rack.

Further, a protective connecting piece is arranged at the joint of the sleeve and the jaw structure.

The utility model discloses beneficial effect:

1. the opening and closing of the tong head can be conveniently and bidirectionally operated by arranging the steel wire; the operating space requirement is smaller by a push-pull mode;

2. the connecting rope can be pulled by arranging the steering wheel, so that the angle of the jaw is adjusted by pulling the jaw structure, and the patient tissue can be conveniently taken from places where certain gas pipe sections are difficult to reach;

3. through setting up the rack, can make the binding clip carry out the synchronization action to the effect of getting is got in the assurance clamp.

Drawings

The accompanying drawings 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 invention and not to limit the invention.

Fig. 1 is a schematic structural view of a biopsy forceps of an electronic bronchoscope of the present invention with a changeable angle of jaw.

Fig. 2 is an internal structure diagram of the jaw structure of the biopsy forceps of the electronic bronchoscope of the present invention with a changeable jaw angle.

Fig. 3 is a structure view of the turning position of the biopsy forceps of the electronic bronchoscope of the present invention with changeable jaw angle.

Fig. 4 is a sectional view of the fixed seat of the biopsy forceps of the electronic bronchoscope of the present invention with a changeable angle of the jaw.

Reference numbers in the figures: 1. a pull ring is pushed; 2. a sleeve; 3. a jaw structure; 4. a connecting rod; 5. a steel wire; 6. a fixed seat; 7. a steering wheel; 8. a steering wheel; 9. a connecting shaft; 10. a torsion spring; 11. a mounting seat; 12. connecting ropes; 13. a binding clip; 14. a gear; 15. a gear rack; 16. a slideway; 17. a fixing plate; 18. pulling the spring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1-4, a living tissue sampling forceps of an electronic bronchoscope capable of changing a jaw angle comprises a push-pull ring 1, a sleeve 2 and a jaw structure 3, wherein a connecting rod 4 is arranged at the bottom of the push-pull ring 1, the inner wall of the push-pull ring 1 is of an arc structure, an anti-slip sleeve is arranged on the inner wall of the push-pull ring 1, and a steel wire 5 is arranged at the bottom end of the connecting rod 4, so that the opening and closing of a forceps head 13 can be conveniently operated in a two-way manner; the operation space requirement is smaller by a push-pull mode, the steel wire 5 is arranged in the sleeve 2, the top of the sleeve 2 is provided with the fixed seat 6, the connecting rod 4 is arranged in the fixed seat 6, the outer side of the fixed seat 6 is provided with a finger groove, one side of the connecting rod 4 is provided with the steering wheel 7, the steering wheel 7 is movably connected with the top of the fixed seat 6 through a rotating shaft, the connecting rope 12 can be drawn, so that the jaw structure 3 is pulled to adjust the angle of the jaw, a place where certain trachea sections are difficult to reach is convenient to take a pathological examination tissue, the steering wheel 8 is arranged below the steering wheel 7, the sleeve 2 is movably connected with the jaw structure 3 through the connecting shaft 9, one side of the connecting shaft 9 is provided with the torsion spring 10, the initial positions of the sleeve 2 and the jaw structure 3 can be on the same straight line, and the operation, torsional spring 10 below is provided with mount pad 11, just

mount pad

11 and 3 fixed connection of structure of keeping silent, 11 tops of mount pad are installed and are connected rope 12, just connect 12 tops of rope and walk around directive wheel 8 and be connected with steering wheel 7 bottoms, 3 bottom symmetries of structure of keeping silent are equipped with binding clip 13, binding clip 13 tops are provided with gear 14, just 14 symmetries of gear are installed at 3 inner walls of structure of keeping silent, the meshing is connected with gear strip 15 between the gear 14, can make binding clip 13 carry out synchronization action to guarantee to press from both sides the effect of getting, just

gear strip

15 and 5 bottom fixed connection of steel wire.

As shown in fig. 2, the inner wall of the jaw structure 3 is symmetrically provided with slide ways 16, the gear rack 15 is arranged in the slide ways 16, a fixing plate 17 is arranged above the slide ways 16, and a pulling spring 18 is arranged between the fixing plate 17 and the gear rack 15, so that the initial state of the binding clip 13 can be closed, and misoperation during use can be reduced.

As shown in fig. 3, the movable rod of the torsion spring 10 is respectively attached to the inner walls of the sleeve 2 and the jaw structure 3, the right side of the torsion spring 10 is connected with the sleeve 2 through a support frame, and a protective connecting piece is arranged at the joint of the sleeve 2 and the jaw structure 3.

The utility model discloses the theory of operation: during the use, with the thumb cover in pushing away pull ring 1, forefinger and middle finger clamp in the finger groove, stretch into the trachea with biopsy forceps, according to tracheal condition, adjust the angle of keeping silent structure 3 through steering wheel 7 to reach the place that is difficult to reach and get the sick tissue of examining, during the sample, promote and push away pull ring 1 and open binding clip 13, press from both sides and get the completion back, the pulling pushes away pull ring 1 and makes binding clip 13 press from both sides tightly, then takes out.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The utility model provides a can change living tissue sampling pincers of electron bronchoscope of keeping silent angle, includes push-pull ring (1), sleeve pipe (2) and structure (3) of keeping silent, its characterized in that: the push-pull ring is characterized in that a connecting rod (4) is arranged at the bottom of the push-pull ring (1), a steel wire (5) is installed at the bottom of the connecting rod (4), the steel wire (5) is arranged in the sleeve (2), a fixing seat (6) is arranged at the top of the sleeve (2), the connecting rod (4) is arranged in the fixing seat (6), a steering wheel (7) is arranged on one side of the connecting rod (4), the steering wheel (7) is movably connected with the top of the fixing seat (6) through a rotating shaft, a steering wheel (8) is arranged below the steering wheel (7), the sleeve (2) is movably connected with the jaw structure (3) through a connecting shaft (9), a torsion spring (10) is arranged on one side of the connecting shaft (9), a mounting seat (11) is arranged below the torsion spring (10), the mounting seat (11) is fixedly connected with the jaw structure (3), a connecting rope (12) is installed, just connect rope (12) top and walk around directive wheel (8) and be connected bottom steering wheel (7), structure (3) bottom symmetry of keeping silent is equipped with binding clip (13), binding clip (13) top is provided with gear (14), just gear (14) symmetry is installed at structure (3) inner wall of keeping silent, the meshing is connected with rack (15) between gear (14), just rack (15) and steel wire (5) bottom fixed connection.

2. The biopsy forceps of an electronic bronchoscope with changeable jaw angle of claim 1, wherein: the outer side of the fixed seat (6) is provided with a finger groove.

3. The biopsy forceps of an electronic bronchoscope with changeable jaw angle of claim 1, wherein: the inner wall of the push-pull ring (1) is of an arc-shaped structure, and the inner wall of the push-pull ring (1) is provided with an anti-slip sleeve.

4. The biopsy forceps of an electronic bronchoscope with changeable jaw angle of claim 1, wherein: the movable rod of the torsion spring (10) is respectively attached to the inner walls of the sleeve (2) and the jaw structure (3), and the right side of the torsion spring (10) is connected with the sleeve (2) through the support frame.

5. The biopsy forceps of an electronic bronchoscope with changeable jaw angle of claim 1, wherein: keep silent structure (3) inner wall symmetry and be provided with slide (16), just rack (15) set up in slide (16), slide (16) top is provided with fixed plate (17), install tractive spring (18) between fixed plate (17) and rack (15).

6. The biopsy forceps of an electronic bronchoscope with changeable jaw angle of claim 1, wherein: and a protective connecting piece is arranged at the joint of the sleeve (2) and the jaw structure (3).