CN108403155B - Digestion scope is excision sample collection device down - Google Patents

Abstract

The invention discloses a specimen collection device for excision under digestive endoscope, which comprises a base, a sleeve plate is rotatably connected to the left side of the base, and four shaft holes at the edge of the base are provided with knife shafts. A blade is fixed on the right end face of the knife shaft, and a gear is fixed on the left end face of the knife shaft. The specimen collection device for excision under digestive endoscope has a simple structure. The tissue at the specimen is sucked through a negative pressure tube, and the operation is carried out by the rotation of the blade. Cut and separate, so that the specimen tissue is sucked into the negative pressure tube. The operation is simple. The position of the negative pressure tube can be adjusted to facilitate the suction of the specimen tissue. The rotation of the blade is controlled by the movement of the negative pressure tube. The electromagnet is controlled, easy to operate, can quickly realize the cutting of specimen tissue, has good separation effect, no adhesion, convenient extraction, and is suitable for the collection of lesion tissue under digestive endoscopy, which is convenient for subsequent diagnosis and treatment.

Description

A device for collecting specimens for resection under digestive endoscope

technical field

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

Background technique

At present, there are basket-shaped foreign body forceps, three-claw type, five-claw type foreign body forceps for the upper and lower digestive tracts on the market, but they are all clamped through the endoscopic biopsy forceps and then taken out. For the operation of endoscopic resection of small specimens It is said that the suction and separation of the specimen is not complete, the control efficiency is low, the extraction of the specimen is affected, and the operation and use are inconvenient.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to overcome the existing defects and provide a collection device for excision specimens under digestive endoscope, which has a simple structure, is convenient to use, can effectively realize the cutting and separation of specimens, has high efficiency, high control efficiency, and can effectively Solve the problems in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a collection device for excision specimens under digestive endoscope, comprising a base, a sleeve plate is rotatably connected to the left side of the base, and four shaft holes at the edge of the base are arranged in the base. Both are provided with a cutter shaft, a blade is fixed on the right end face of the cutter shaft, a gear is fixed on the left end face of the cutter shaft, the gear meshes with the convex teeth on the side of the sleeve, and the middle of the base and the sleeve are A shaft hole is provided, a negative pressure pipe is arranged in the shaft hole, side frames are relatively fixed on the upper and lower sides of the base, and the left ends of the two side frames are fixedly connected by an end plate, and the middle shaft hole of the end plate is fixed in the middle There is a connecting head, the right end of the connecting head is fixedly connected with the left end of the negative pressure pipe through a connecting pipe, a control switch is installed on the left side of the end plate, an electromagnet is fixed on the side of the connecting head, and the negative pressure An armature is fixed at the position corresponding to the electromagnet at the left end of the tube, the input end of the control switch is electrically connected with the output end of the external power supply, and the output end of the control switch is electrically connected with the input end of the electromagnet.

As a preferred technical solution of the present invention, the outer surface of the negative pressure pipe is provided with an external thread, and the inner curved surface of the sleeve is provided with an external thread matching the external thread.

As a preferred technical solution of the present invention, the outer surface of the negative pressure tube is provided with a guide groove coaxial with the negative pressure tube, and the inner curved surface of the base is provided with a guide block slidably connected with the guide groove.

As a preferred technical solution of the present invention, the blades are distributed along the radial direction of the negative pressure tube, and the four blades are not on the same plane.

As a preferred technical solution of the present invention, a compression spring is sleeved on the outer side of the connecting pipe, and the left and right ends of the compression spring are respectively fixedly connected to the connecting head and the negative pressure pipe.

Compared with the prior art, the beneficial effects of the present invention are as follows: the device for collecting specimens for excision under digestive endoscope has a simple structure, sucks the tissue at the specimen through a negative pressure tube, and cuts and separates the specimen through the rotation of the blade, so that the specimen tissue is removed. Inhaled into the negative pressure tube, the operation is simple, the position of the negative pressure tube can be adjusted, and it is convenient to absorb the specimen tissue, the rotation of the blade is controlled by the movement of the negative pressure tube, and the swing of the negative pressure tube and the blade is controlled by the electromagnet. It is convenient, can quickly realize the cutting of specimen tissue, has good separation effect, no adhesion, convenient extraction, and is suitable for the collection of lesion tissue under digestive endoscopy, which is convenient for subsequent diagnosis and treatment.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

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

In the picture: 1 base, 101 guide blocks, 2 sets of discs, 3 cutter shafts, 301 blades, 302 gears, 4 negative pressure pipes, 401 external threads, 402 guide grooves, 5 side frames, 6 end plates, 7 connectors, 8 Control switch, 9 connecting pipes, 10 electromagnets, 11 armatures, 12 compression springs.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-2, the present invention provides a technical solution: a specimen collection device for excision under digestive endoscope, comprising a base 1, a set plate 2 is rotatably connected to the left side of the base 1, and four edge positions of the base 1 are provided. There is a cutter shaft 3 in the shaft hole, a blade 301 is fixed on the right end face of the cutter shaft 3, a gear 302 is fixed on the left end face of the cutter shaft 3, and the gear 302 meshes with the convex teeth on the side of the sleeve plate 2. 2 is provided with a shaft hole in the middle, and a negative pressure tube 4 is arranged in the shaft hole. The blades 301 are radially distributed along the negative pressure tube 4, and the four blades 301 are not on the same plane. Thread 401, an external thread matching the external thread 401 is provided on the inner curved surface of the sleeve plate 2, the outer surface of the negative pressure pipe 4 is provided with a guide groove 402 coaxial with the negative pressure pipe 4, and the inner curved surface of the base 1 is provided with a guide groove 402. There is a guide block 101 slidably connected with the guide groove 402, the upper and lower sides of the base 1 are relatively fixed with side frames 5, the left ends of the two side frames 5 are fixedly connected through the end plate 6, and the middle shaft hole of the end plate 6 is fixed with a connection Head 7, the right end of the connecting head 7 is fixedly connected with the left end of the negative pressure pipe 4 through the connecting pipe 9. The connecting pipe 9 is a corrugated pipe and has telescopic ability. The outer side of the connecting pipe 9 is sleeved with a compression spring 12. Both ends are fixedly connected with the connector 7 and the negative pressure tube 4 respectively, the control switch 8 is installed on the left side of the end plate 6, the electromagnet 10 is fixed on the side of the connector 7, and the left end of the negative pressure tube 4 corresponds to the electromagnet 10. The armature 11 is fixed in position, the input end of the control switch 8 is electrically connected with the output end of the external power supply, and the output end of the control switch 8 is electrically connected with the input end of the electromagnet 10. The apparatus for collecting specimens excised under the digestive endoscope has a simple structure, The tissue at the specimen is sucked through the negative pressure tube 4, and is cut and separated by the rotation of the blade 301, so that the specimen tissue is sucked into the negative pressure tube 4, the operation is simple, and the position of the negative pressure tube 4 can be adjusted, which is convenient for sucking the specimen tissue , the rotation of the blade 301 is controlled by the movement of the negative pressure tube 4, the swing of the negative pressure tube 4 and the blade 301 is controlled by the electromagnet 10, the operation is convenient, the cutting of the specimen tissue can be quickly realized, the separation effect is good, and there is no adhesion, The extraction is convenient, and it is suitable for the collection of lesion tissue under digestive endoscopy, which is convenient for subsequent diagnosis and treatment.

When in use: the connector 7 is connected to the external negative pressure device, the right end of the negative pressure tube 4 is placed in the sampling position, the electromagnet 10 works to attract the armature 11 to the left, the negative pressure tube 4 sucks a part of the tissue under negative pressure, and the negative pressure tube 4 When moving to the left, the negative pressure tube 4 drives the sleeve plate 2 to rotate, and the sleeve plate 2 drives the four blades 301 to rotate synchronously to cut the sample tissue.

The invention has a simple structure, is more convenient to use, can effectively realize the cutting and separation of specimens, has good separation effect, no adhesion, high manipulation efficiency, is beneficial to subsequent diagnosis and treatment, and is suitable for popularization and use.

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

Claims (5)

1. A device for collecting specimens excised under digestive endoscope, comprising a base (1), characterized in that: the left side of the base (1) is rotatably connected with a cover plate (2), and the edge position of the base (1) There are cutter shafts (3) in the four shaft holes of the cutter shaft (3), a blade (301) is fixed on the right end face of the cutter shaft (3), and a gear (302) is fixed on the left end face of the cutter shaft (3). The gear (302) meshes with the protruding teeth on the side surface of the sleeve plate (2), the base (1) and the middle part of the sleeve plate (2) are provided with shaft holes, and a negative pressure pipe (4) is arranged in the shaft holes. ), a side frame (5) is relatively fixed on the upper and lower sides of the base (1), and the left ends of the two side frames (5) are fixedly connected by an end plate (6), and the central shaft hole of the end plate (6) A connecting head (7) is fixed, the right end of the connecting head (7) is fixedly connected with the left end of the negative pressure pipe (4) through a connecting pipe (9), and a control switch is installed on the left side of the end plate (6). (8), an electromagnet (10) is fixed on the side of the connecting head (7), an armature (11) is fixed at the position corresponding to the electromagnet (10) at the left end of the negative pressure pipe (4), and the control switch The input end of (8) is electrically connected to the output end of the external power supply, and the output end of the control switch (8) is electrically connected to the input end of the electromagnet (10). 2. A device for collecting specimens for excision under digestive endoscope according to claim 1, characterized in that: the outer surface of the negative pressure tube (4) is provided with an external thread (401), and the sleeve (2) An external thread matching the external thread (401) is provided on the inner curved surface of the . 3. A device for collecting specimens excised under digestive endoscope according to claim 1, characterized in that: the outer side surface of the negative pressure tube (4) is provided with a guide groove coaxial with the negative pressure tube (4) (402), the inner curved surface of the base (1) is provided with a guide block (101) slidably connected with the guide groove (402). 4. The device for collecting specimens for excision under digestive endoscope according to claim 1, wherein the blades (301) are radially distributed along the negative pressure tube (4), and the four blades (301) are not the same on flat surface. 5. A device for collecting specimens for excision under digestive endoscope according to claim 1, characterized in that: a compression spring (12) is sleeved on the outer side of the connecting pipe (9), and the compression spring (12) is The left and right ends are respectively fixedly connected with the connecting head (7) and the negative pressure pipe (4).

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