CN108403155B

CN108403155B - Digestion scope is excision sample collection device down

Info

Publication number: CN108403155B
Application number: CN201810229133.4A
Authority: CN
Inventors: 朱艳丽; 张雪梅; 迟男男; 刘亮; 杨沙
Original assignee: Jiamusi University
Current assignee: Jiamusi University
Priority date: 2018-03-20
Filing date: 2018-03-20
Publication date: 2020-09-01
Anticipated expiration: 2038-03-20
Also published as: CN108403155A

Abstract

The invention discloses a collecting device for resected samples under a digestive endoscope, which comprises a base, wherein a sleeve disc is rotatably connected to the left side surface of the base, cutter shafts are arranged in four shaft holes at the edge position of the base, cutter blades are fixed on the right end surface of each cutter shaft, and gears are fixed on the left end surface of each cutter shaft. Facilitating subsequent diagnosis and treatment.

Description

Digestion scope is excision sample collection device down

Technical Field

The invention relates to the technical field of medical instruments, in particular to a collection device for an excision specimen under a digestive endoscope.

Background

Foreign matter pincers such as basket shape foreign matter pincers, three-jaw type, five-jaw type that are used for upper and lower alimentary canal are available at present, nevertheless all go into through scope biopsy forceps way and carry the back and take out, to the operation of excision small sample under the scope, the absorption and the separation of sample are not thorough, control inefficiency, influence the extraction of sample, operate and use inconvenience.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, provides a collecting device for an excision specimen under a digestive endoscope, has a simple structure, is convenient to use, can effectively realize the cutting and separation of the specimen, has high efficiency and high control efficiency, and can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a resection specimen collecting device under digestion endoscope comprises a base, wherein a sleeve disc is rotatably connected to the left side surface of the base, cutter shafts are arranged in four shaft holes at the edge position of the base, blades are fixed on the right end surface of each cutter shaft, gears are fixed on the left end surfaces of the cutter shafts and are meshed with convex teeth at the side surface of the sleeve disc, shaft holes are formed in the middle parts of the base and the sleeve disc, negative pressure tubes are arranged in the shaft holes, side frames are fixed on the upper side and the lower side of the base relatively, the left ends of the two side frames are fixedly connected through an end plate, a connector is fixed in the middle shaft hole of the end plate, the right end of the connector is fixedly connected with the left end of the negative pressure tube through a connecting tube, a control switch is installed on the left side surface of the end plate, electromagnets are fixed on the side surfaces of the connector, armatures are fixed on the positions, corresponding to the left ends of the, and the output end of the control switch is electrically connected with the input end of the electromagnet.

As a preferred technical scheme of the invention, the outer side surface of the negative pressure pipe is provided with an external thread, and the inner curved surface of the sleeve disc is provided with an external thread matched with the external thread.

As a preferable technical scheme of the invention, the outer side surface of the negative pressure pipe is provided with a guide groove which is coaxial with the negative pressure pipe, and the inner curved surface of the base is provided with a guide block which is in sliding connection with the guide groove.

As a preferable technical scheme of the invention, the blades are distributed along the radial direction of the negative pressure pipe, and the four blades are not on the same plane.

As a preferred technical scheme of the invention, the outer side of the connecting pipe is sleeved with a compression spring, and the left end and the right end of the compression spring are respectively fixedly connected with the connector and the negative pressure pipe.

Compared with the prior art, the invention has the beneficial effects that: this excision sample collection device under digestion scope, moreover, the steam generator is simple in structure, absorb the tissue of sample department through the negative pressure pipe, the rotation through the blade cuts the separation, make the sample tissue inhale in the negative pressure pipe, moreover, the steam generator is simple in operation, the position of negative pressure pipe can be adjusted, be convenient for absorb the sample tissue, the rotation of blade is controlled through the removal of negative pressure pipe, the swing of negative pressure pipe and blade is all controlled through the electro-magnet, high durability and convenient operation, can realize the cutting of sample tissue fast, it is effectual to separate, it is not adherent, it is convenient to extract, be fit for the collection to the focus tissue under the digestion scope, subsequent diagnosis and the treatment of being convenient for.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention.

In the figure: the device comprises a base 1, a guide block 101, a set of discs 2, a cutter shaft 3, a cutter blade 301, a gear 302, a negative pressure pipe 4, an external thread 401, a guide groove 402, a side frame 5, an end plate 6, a connector 7, a control switch 8, a connecting pipe 9, an electromagnet 10, an armature 11 and a compression spring 12.

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. 1-2, the present invention provides a technical solution: a resection specimen collecting device under a digestive endoscopy comprises a base 1, a sleeve disc 2 is rotatably connected on the left side surface of the base 1, cutter shafts 3 are respectively arranged in four shaft holes at the edge position of the base 1, blades 301 are fixed on the right end surface of the cutter shafts 3, gears 302 are fixed on the left end surface of the cutter shafts 3, the gears 302 are meshed with convex teeth on the side surface of the sleeve disc 2, shaft holes are respectively arranged at the middle parts of the base 1 and the sleeve disc 2, a negative pressure pipe 4 is arranged in the shaft holes, the blades 301 are radially distributed along the negative pressure pipe 4, the four blades 301 are not on the same plane, external threads 401 are arranged on the outer side surface of the negative pressure pipe 4, external threads matched with the external threads 401 are arranged on the inner side curved surface of the sleeve disc 2, a guide groove 402 which is coaxial with the negative pressure pipe 4 is arranged on the outer side surface of the negative pressure pipe 4, a guide block 101 which is slidably connected with the, the left ends of two side frames 5 are fixedly connected through an end plate 6, a connector 7 is fixed in a middle shaft hole of the end plate 6, the right end of the connector 7 is fixedly connected with the left end of a negative pressure tube 4 through a connecting tube 9, the connecting tube 9 is a corrugated tube and has the telescopic capability, a compression spring 12 is sleeved on the outer side of the connecting tube 9, the left end and the right end of the compression spring 12 are respectively fixedly connected with the connector 7 and the negative pressure tube 4, a control switch 8 is installed on the left side surface of the end plate 6, an electromagnet 10 is fixed on the side surface of the connector 7, an armature 11 is fixed at the position, corresponding to the electromagnet 10, of the left end of the negative pressure tube 4, the input end of the control switch 8 is electrically connected with the output end of an external power supply, the output end of the control switch 8 is electrically connected with the input end of the electromagnet 10, the digestion excision sample collection, make in the sample tissue inhales negative pressure pipe 4, and the operation is thus simple, negative pressure pipe 4's position can be adjusted, be convenient for absorb the sample tissue, blade 301's rotation is controlled through negative pressure pipe 4's removal, negative pressure pipe 4 and blade 301's swing all is controlled through electro-magnet 10, and convenient for operation can realize the cutting of sample tissue fast, and the separation effect is good, and is not adhesive, and it is convenient to extract, is fit for the collection to the focus tissue under the scope of digestion, subsequent diagnosis and treatment of being convenient for.

When in use: the connector 7 is connected with an external negative pressure device, the right end of the negative pressure tube 4 is arranged at a sampling position, the electromagnet 10 works to attract the armature 11 leftwards, the negative pressure of the negative pressure tube 4 sucks a part of tissue, the negative pressure tube 4 moves leftwards, meanwhile, the negative pressure tube 4 drives the sleeve disc 2 to rotate, and the sleeve disc 2 drives the four blades 301 to synchronously rotate to cut the sample tissue.

The invention has simple structure, more convenient use, good separation effect, no adhesion, high control efficiency, contribution to subsequent diagnosis and treatment and suitability for popularization and use, and can effectively realize the cutting and separation of the specimen.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a resection specimen collection device under digestion scope, includes base (1), its characterized in that: the left side surface of the base (1) is rotatably connected with a sleeve disc (2), four shaft holes at the edge position of the base (1) are internally provided with a cutter shaft (3), the right end surface of the cutter shaft (3) is fixedly provided with a blade (301), the left end surface of the cutter shaft (3) is fixedly provided with a gear (302), the gear (302) is meshed with convex teeth at the side surface of the sleeve disc (2), the middle parts of the base (1) and the sleeve disc (2) are respectively provided with a shaft hole, a negative pressure pipe (4) is arranged in the shaft hole, the upper side and the lower side of the base (1) are relatively fixedly provided with side frames (5), the left ends of the two side frames (5) are fixedly connected through an end plate (6), a connector (7) is fixedly fixed in the shaft hole at the middle part of the end plate (6), the right end of the connector (7) is fixedly connected with the left end of the negative pressure pipe (4) through a connecting pipe (9, the side of connector (7) is fixed with electro-magnet (10), the position that negative pressure pipe (4) left end and electro-magnet (10) correspond is fixed with armature (11), the input of control switch (8) is connected with external power source's output electricity, the output of control switch (8) is connected with the input electricity of electro-magnet (10).

2. The collection device of claim 1, wherein the collection device comprises: the outer side surface of the negative pressure pipe (4) is provided with an external thread (401), and the inner side curved surface of the sleeve disc (2) is provided with an external thread matched with the external thread (401).

3. The collection device of claim 1, wherein the collection device comprises: the outer side surface of the negative pressure pipe (4) is provided with a guide groove (402) which is coaxial with the negative pressure pipe (4), and the inner side curved surface of the base (1) is provided with a guide block (101) which is connected with the guide groove (402) in a sliding manner.

4. The collection device of claim 1, wherein the collection device comprises: the blades (301) are distributed along the radial direction of the negative pressure pipe (4), and the four blades (301) are not on the same plane.

5. The collection device of claim 1, wherein the collection device comprises: the outer side of the connecting pipe (9) is sleeved with a compression spring (12), and the left end and the right end of the compression spring (12) are fixedly connected with the connector (7) and the negative pressure pipe (4) respectively.