CN215584231U

CN215584231U - Enteroscope biopsy forceps

Info

Publication number: CN215584231U
Application number: CN202122009115.5U
Authority: CN
Inventors: 刘丽娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-01-21
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses enteroscopy biopsy forceps, which comprise a core bar, wherein a sliding handle is sleeved on the core bar, the front end of the core bar is connected with a spring tube, a cavity is arranged in the spring tube, one end of the spring tube is connected with a clamping structure, the sliding handle is also fixedly connected with a wire drawing, the other end of the wire drawing is fixedly connected with the clamping structure, the wire drawing is positioned in the spring tube, a drainage cavity channel is also arranged in the spring tube, the drainage cavity channel extends out of the outer wall of the spring tube, the part of the drainage cavity channel extending out of the spring tube is connected with a drainage tube, and the tail end of the drainage tube is connected with a negative pressure drainage structure. The pain of the patient caused by inserting the intestinal tract for multiple times is avoided.

Description

Enteroscope biopsy forceps

Technical Field

The utility model belongs to the technical field of endoscopes, and particularly relates to an enteroscope biopsy forceps.

Background

In recent years, in clinical medical examination, endoscopy has been widely used as an auxiliary diagnostic method, and when a diseased region in a patient is examined, biopsy forceps can be inserted into the body through an endoscopic forceps channel to clamp diseased tissue, and sampling is performed through an endoscope, so that micro-trauma and pain are small, and endoscopy is a popular diagnostic method.

Endoscope biopsy forceps commonly used at present mainly by the pincers head frame, two steel wires that one end is connected with the control rod and constitute with two binding clip of pincers head frame articulated, this kind of biopsy forceps stable in structure, therefore, the clothes hanger is strong in practicability, when carrying out enteroscopy biopsy, can cut off the polyp on the patient's colon fold, but current biopsy forceps only have the effect of pincers scissors usually, when carrying out enteroscopy biopsy, still need take a sample to patient's intestinal juice sometimes, often can take out biopsy forceps this moment, then adopt other equipment to take a sample in order to take comprehensive consideration to intestinal juice again, stretch into the patient internally with equipment many times, arouse that patient is uncomfortable seriously. There is therefore a great need for a device for clamping polyps while allowing the sampling of intestinal fluids.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an enteroscope biopsy forceps, which solves the problems that the existing enteroscope biopsy forceps can only perform forceps shearing on colon polyp of a patient and can not extract intestinal juice.

In order to achieve the purpose, the utility model adopts the technical scheme that: an enteroscope biopsy forceps comprises a core rod, wherein a sliding handle is sleeved on the core rod, a spring tube is fixedly connected to the front end of the core rod, a cavity is formed in the spring tube, a clamping structure is arranged at one end, away from the core rod, of the spring tube, a drawn wire is arranged in the spring tube, one end of the drawn wire is fixedly connected with the sliding handle, the other end of the drawn wire is fixedly connected with the clamping structure, a drainage cavity channel is further arranged in the spring tube, the drainage cavity channel extends out of the outer wall of the spring tube, the part, extending out of the spring tube, of the drainage cavity channel is connected with a drainage tube, the tail end of the drainage tube is connected with a three-way tube, and an interface pipeline of the three-way tube is connected with a negative pressure drainage mechanism.

Furthermore, the clamping structure comprises a first tong head, a second tong head and a connecting assembly for controlling the first tong head and the second tong head to open and close.

Further, the negative pressure drainage structure comprises an air bag, and a vent valve and a second sealing valve are sequentially arranged between the air bag and the three-way pipe pipeline.

Furthermore, the other interface of the three-way pipe is connected with an intestinal fluid collecting pipeline, and a first sealing valve is arranged on the intestinal fluid collecting pipeline.

Furthermore, a fixed block is further arranged on the core rod.

Furthermore, one end of the core bar, which is far away from the spring tube, is provided with a ring.

Furthermore, the connecting assembly comprises two connecting pieces which are hinged, one end of each connecting piece is fixedly connected with the wire drawing, and the other end of each connecting piece is movably connected with the first tong head and the second tong head correspondingly.

Compared with the prior art, the utility model has the following beneficial effects:

1. through setting up spring tube, sliding handle and clamping structure etc. when needs are cut intestinal polyp and are removed, only need the pulling sliding handle, sliding handle drives the first binding clip of wire drawing pulling and second binding clip to the opening and shutting of first binding clip of control and second binding clip realizes cutting the pincers of polyp.

2. Through setting up drainage chamber way and drainage tube etc. can let intestinal juice flow out through drainage chamber way, drainage tube end-to-end connection has the negative pressure drainage structure, can realize the better drainage to intestinal juice, accomplishes the collection to intestinal juice.

Drawings

FIG. 1 is a schematic structural view of an enteroscope biopsy forceps according to the present invention;

FIG. 2 is an enlarged view of the structure at B in FIG. 1;

fig. 3 is an enlarged view of a structure at a in fig. 1.

In the figure: 1. a core bar; 2. a fixed block; 3. a spring tube; 4. drainage channels; 5. a sliding handle; 6. a ring; 7. a first binding clip; 8. a second binding clip; 9. a connecting assembly; 10. drawing wires; 11. a drainage tube; 12. A first sealing valve; 13. a second sealing valve; 14. a vent valve; 15. an air bag; 16. a three-way pipe.

Detailed Description

The technical solutions 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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, the utility model discloses an enteroscope biopsy forceps, which comprises a core bar 1, wherein a sliding handle 5 is sleeved on the core bar 1, a sliding groove is formed in the core bar 1, the sliding handle 5 can freely slide on the core bar 1, a fixing block 2 is further arranged on the core bar 1 for limiting the position of the sliding handle 5, and the fixing block 2 can play a limiting role.

One end of the core bar 1 is fixedly connected with a spring tube 3, the spring tube 3 is made of soft materials with certain elastic materials, the biopsy forceps are favorably inserted into an intestinal tract, a cavity is formed in the spring tube 3, a drawn wire 10 is arranged in the spring tube 3, one end of the drawn wire 10 is fixedly connected with a sliding handle 5, concretely, the core bar 1 is also the cavity, an opening for the drawn wire 10 to pass through is formed in the core bar 1, the drawn wire 10 can pass through the opening and is fixedly connected with the sliding handle 5, the other end of the drawn wire 10 is connected with a clamping mechanism, concretely, the clamping mechanism comprises a first binding clip 7, a second binding clip 8 and a connecting assembly 9 for controlling the first binding clip 7 and the second binding clip 8 to open and close, concretely, the connecting assembly 9 is two connecting sheets hinged with each other, one end of each connecting sheet is fixedly connected with the first binding clip 7 or the second binding clip 8, the other end of each connecting sheet is fixedly connected with the drawn wire 10, and the sliding handle 5, can drive the removal of wire drawing 10, the opening and shutting of first binding clip 7 and second binding clip 8 can be controlled in the removal of wire drawing 10 to can carry out the pincers to cut to the polyp on the intestinal.

Referring to fig. 1 and 3, a drainage cavity 4 is further disposed in the spring tube 3, intestinal fluid can be drained through the drainage cavity 4, specifically, the drainage cavity 4 extends out of the outer wall of the spring tube 3, a drainage tube 11 is fixedly connected to a portion of the drainage cavity 4 extending out of the spring tube 3, a three-way tube 16 is connected to a terminal end of the drainage tube 11, a negative pressure drainage structure is connected to a connection pipeline of the three-way tube 16, specifically, the negative pressure drainage structure includes an air bag 15, a vent valve 14 and a second sealing valve 13 are sequentially disposed between the air bag 15 and the three-way tube 16, another connection port of the three-way tube 16 is connected to an intestinal fluid collection pipeline, a first sealing valve 12 is disposed on the intestinal fluid collection pipeline, when intestinal fluid is drained, the second sealing valve 13 and the first sealing valve 12 are first closed, the vent valve 14 is opened, gas in the air bag 15 is squeezed, then the vent valve 14 is closed, and the second sealing valve 13 is opened, at the moment, negative pressure is formed in the drainage tube 11 and the drainage cavity 4, intestinal juice slowly flows out through the drainage cavity 4, when the intestinal juice flows to the vicinity of the three-way pipe 16, the second sealing valve 13 is closed, the first sealing valve 12 is opened, and the intestinal juice is drained out of the body and then collected by the collecting device.

One end of the core bar 1 far away from the spring tube 3 is provided with a ring 6, and the thumb passes through the ring 6 to pull the sliding handle 5, which is very convenient.

When the utility model is used, firstly, the biopsy forceps are slowly inserted into an intestinal tract through an endoscope, when polyps in the intestinal tract need to be subjected to forceps cutting, the sliding handle 5 is slowly pulled, the sliding handle 5 moves to drive the wire drawing 10 to move, the wire drawing 10 moves to close the first forceps head 7 and the second forceps head 8, and then the polyps in the intestinal tract are cut off, when intestinal fluid needs to be subjected to drainage and collection, the vent valve 14 is firstly opened, the second sealing valve 13 and the first sealing valve 12 are closed, air in the air bag 15 is squeezed, then the vent valve 14 is closed, the second sealing valve 13 is opened, the intestinal fluid slowly flows out of the drainage tube 11 along the drainage cavity 4 in the spring tube 3, when the intestinal fluid flows out to the three-way tube 16, the second sealing valve 13 is closed, the first sealing valve 12 is opened, and then the intestinal fluid is drained out of the body, and then the intestinal fluid is collected by the collecting device.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An enteroscopy biopsy forceps is characterized by comprising a core rod (1), wherein a sliding handle (5) is sleeved on the core rod (1), a spring tube (3) is fixedly connected to the front end of the core rod (1), a cavity is formed in the spring tube (3), a clamping structure is arranged at one end, away from the core rod (1), of the spring tube (3), a drawing wire (10) is arranged in the spring tube (3), one end of the drawing wire (10) is fixedly connected with the sliding handle (5), the other end of the drawing wire (10) is fixedly connected with the clamping structure, a drainage cavity channel (4) is further arranged in the spring tube (3), the drainage cavity channel (4) extends out of the outer wall of the spring tube (3), a drainage tube (11) is connected to the part, extending out of the spring tube (3), a three-way tube (16) is connected to the tail end of the drainage tube (11), one interface pipeline of the three-way pipe (16) is connected with a negative pressure drainage mechanism.

2. Enteroscopy biopsy forceps according to claim 1, characterized in that the clamping structure comprises a first forceps head (7), a second forceps head (8) and a connecting assembly (9) for controlling the opening and closing of the first forceps head (7) and the second forceps head (8).

3. Enteroscopy biopsy forceps according to claim 1, characterized in that the negative pressure drainage structure comprises a balloon (15), and a vent valve (14) and a second sealing valve (13) are arranged between the balloon (15) and the three-way tube (16) in sequence.

4. Enteroscopy biopsy forceps according to claim 1, characterized in that the other port of the three-way tube (16) is connected with an intestinal fluid collecting line, and a first sealing valve (12) is arranged on the intestinal fluid collecting line.

5. Enteroscopy biopsy forceps according to claim 1, characterized in that the core rod (1) is further provided with a fixing block (2).

6. Enteroscopy biopsy forceps according to claim 1, characterized in that a finger ring (6) is arranged at one end of the core rod (1) which is far away from the spring tube (3).

7. Enteroscopy biopsy forceps according to claim 2, characterized in that the connecting assembly (9) comprises two hinged connecting pieces, one end of each of the two connecting pieces is fixedly connected with the pull wire (10), and the other end of each of the two connecting pieces is movably connected with the first forceps head (7) and the second forceps head (8) correspondingly.