CN210521012U

CN210521012U - Tumor sampling device

Info

Publication number: CN210521012U
Application number: CN201920693919.1U
Authority: CN
Inventors: 陈晓锋
Original assignee: Individual
Current assignee: Jiangsu Province Hospital First Affiliated Hospital Of Nanjing Medical University
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-05-15
Anticipated expiration: 2029-05-15

Abstract

The utility model relates to the field of medical equipment application, specifically a tumour sampling device, including puncture tube, connecting seat, injection tube, piston, push rod and circular arm-tie, the puncture tube passes through the connecting seat and is connected with the injection tube, the piston matches the setting inside the injection tube, and piston right side and push rod fixed connection, push rod one end extend to the injection tube outside and with circular arm-tie is connected, the inside symmetry of connecting seat is provided with two dead levers, two the dead lever passes through a connecting piece A fixed connection. The utility model is convenient for completing the sampling of tumor sample liquid and tumor tissues; and, because the setting of spring, when the cutting is accomplished, if tumour appearance liquid extraction is too little, can continue to stimulate circular arm-tie, make push rod and piston continue to move to extract more tumour appearance liquid, so that tumour appearance liquid and tissue inspection. The utility model discloses simple structure, the sample is convenient, the taking out of tumour appearance liquid and tumour tissue of being convenient for.

Description

Tumor sampling device

Technical Field

The utility model relates to the field of medical equipment application, specifically a tumour sampling device.

Background

Tumor refers to a new organism formed by local tissue cell proliferation under the action of various tumorigenic factors, because the new organism mostly presents space-occupying block-shaped protrusions, which is also called neoplasm.

The oncology department, the internal medicine department, the surgery department, the obstetrics and gynecology department and the pediatrics department are the secondary subjects of clinical medicine, which are divided into the oncology department, the oncology radiotherapy department, the oncology department and the like, and the oncology department is mainly used for the medical treatment of various benign and malignant tumors; the tumor radiotherapy department is mainly engaged in the radiotherapy of tumors; tumor surgery provides a comprehensive treatment mainly based on surgery.

Before treating a tumor patient, the tumor needs to be sampled and analyzed so as to conveniently formulate a treatment scheme and further conveniently take medicines according to symptoms. The existing two methods are available, one method is to take a sample directly by a scalpel, but the method has a large wound and is easy to bring pain to a patient, and the other method is to take a sample by using an injector, and the method has the advantage of small wound.

SUMMERY OF THE UTILITY MODEL

To the weak point among the above-mentioned prior art, the utility model aims at providing a tumour sampling device for solve above-mentioned existence problem.

In order to solve the technical problem, the utility model provides a tumor sampling device, which comprises a puncture tube, a connecting seat, an injection tube, a piston, a push rod and a circular pull plate, wherein the puncture tube is connected with the injection tube through the connecting seat, the piston is arranged inside the injection tube in a matching way, the right side of the piston is fixedly connected with the push rod, one end of the push rod extends out of the injection tube and is connected with the circular pull plate, two fixed rods are symmetrically arranged inside the connecting seat and are fixedly connected with each other through a connecting piece A, the connecting piece A is articulated with two sampling rods which are mutually matched through a pin shaft A, one end of each sampling rod is provided with a knife spoon and is arranged inside the puncture tube, the other end of each sampling rod is articulated with a connecting rod, the two connecting rods are articulated with the middle part of the left side of the piston through a connecting piece B, the, the conveying hose is communicated in a closed collecting bottle, a liquid blocking ring is arranged in the injection tube, and the liquid blocking ring is positioned on the left side of the piston.

The injection tube is close to connecting seat one end and is the arc structure of extension, just it sets up the right side at the arc structure to keep off the liquid ring.

The knife and spoon is of a concave arc-shaped structure, and the edge of the knife and spoon is a sharp knife edge.

The connecting piece B comprises a limiting sleeve fixedly connected to the middle of the left side of the piston, a spring arranged inside the limiting sleeve and connected to the middle of the left side of the piston, and a sliding block connected to the spring, and the sliding block is hinged to the connecting rod through a pin shaft B.

The collecting bottle lateral wall is equipped with the measurement scale, and the collecting bottle top is equipped with the exhaust hole, exhaust hole inside is equipped with one-way discharge valve.

An end cover is sleeved at the right end of the injection tube, and a through hole matched with the push rod is formed in the middle of the end cover.

The beneficial effects of the utility model reside in that: during actual application, the piston is pushed to abut against the liquid blocking ring, the puncture tube is inserted into the tumor tissue of a patient, the knife and the spoon are inserted into the tumor tissue of the patient along with the puncture tube, the knife and the spoon are spread and abut against the inner wall of the puncture tube, the push rod and the piston are pulled through the circular pull plate, and tumor sample liquid is sucked into the arc-shaped structure of the injection tube under the action of suction pressure and finally enters the collection bottle for storage so as to be detected; in the process of extracting the tissue sample liquid, the knife spoon is slowly closed along with the sampling rod, the tumor tissue in the knife spoon is cut through a sharp knife edge on the knife spoon and is left in the knife spoon until the knife spoon is completely closed and the tumor tissue is cut off, and then the puncture tube is taken out, so that the tumor sample liquid and the tumor tissue can be conveniently sampled; and, because the setting of spring, when the cutting is accomplished, if tumour appearance liquid extraction is too little, can continue to stimulate circular arm-tie, make push rod and piston continue to move to extract more tumour appearance liquid, so that tumour appearance liquid and tissue inspection. The utility model discloses simple structure, the sample is convenient, the taking out of tumour appearance liquid and tumour tissue of being convenient for.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the knife and spoon of the present invention.

Detailed Description

The technical solution 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.

As shown in fig. 1-2, the tumor sampling device of the present invention comprises a puncture tube 1, a connecting seat 2, an injection tube 3, a piston 4, a push rod 5 and a circular pull plate 6, wherein the puncture tube 1 is connected with the injection tube 3 through the connecting seat 2, the piston 4 is disposed inside the injection tube 3 in a matching manner, the right side of the piston 4 is fixedly connected with the push rod 5, one end of the push rod 5 extends to the outside of the injection tube 3 and is connected with the circular pull plate 6, two fixing rods 7 are symmetrically disposed inside the connecting seat 2, the two fixing rods 7 are fixedly connected through a connecting member a8, the connecting member a8 is hinged with two sampling rods 10 in a matching manner through a pin shaft a9, one end of the two sampling rods 10 is provided with a knife spoon 11 and is disposed inside the puncture tube 1, the other end is hinged with a connecting rod 12, the two connecting rods 12 are hinged at the middle of the left side, the side wall of the injection tube 3 is provided with a connecting joint 13, the connecting joint 13 is connected with a conveying hose 14, the conveying hose 14 is communicated in a closed collecting bottle 25, a liquid blocking ring 15 is arranged in the injection tube 3, and the liquid blocking ring 15 is positioned on the left side of the piston 4.

The injection cylinder 3 is close to the arc structure of connecting seat 2 one end for the extension, just it sets up on the right side of arc structure to keep off liquid ring 15. The arc-shaped structure is mainly convenient for collecting tumor liquid samples; with keeping off liquid ring 15 and setting up on the right side of arc structure, be mainly convenient for block the tumour liquid appearance, avoid the tumour liquid appearance to cause the heavy pollution to injection tube 3 inside.

The knife spoon 11 is of a concave arc-shaped structure, and the edge of the knife spoon 11 is a sharp knife edge. The knife spoon 11 is designed into a concave arc structure, so that the tumor tissue in the knife spoon can be limited when the two knife spoons are closed, and the tumor tissue sample can be taken out conveniently; the knife edge is mainly used for cutting tumor tissues, so that the tumor tissues are conveniently limited inside the knife spoon 11.

The connecting piece B16 is including setting up at the spacing sleeve 17 of fixed connection in piston 4 left side middle part, and set up inside spacing sleeve 17, and connect the spring 18 in piston 4 left side middle part, and connect the slider 19 on spring 18, slider 19 is through a round pin axle B20 and two connecting rod 12 is articulated. The connecting piece B16's setting is mainly used for articulated connecting rod 12 to the setting of spring 18 is mainly convenient for can also stimulate connecting rod 12 when knife spoon 11 is closed, and then is convenient for extract more tumour tissue appearance liquid, so that convenient inspection, and the setting of spacing sleeve 17 is mainly used for spacing spring 18 and slider 19, avoids spring 18 and slider 19 to break away from the removal orbit.

The lateral wall of the collecting bottle 25 is provided with a measuring scale 21, the top end of the collecting bottle 25 is provided with an exhaust hole, and a one-way exhaust valve 22 is arranged in the exhaust hole. The collection bottle 25 is provided to facilitate collection of the tumor sample liquid to be tested, and the exhaust hole and the one-way exhaust valve 22 are provided to facilitate adjustment of the internal pressure of the collection bottle 25, thereby facilitating transportation of the tumor sample liquid from the hose 14 to the interior of the collection bottle 25.

An end cover 23 is sleeved at the right end of the injection tube 3, and a through hole 24 matched with the push rod 5 is formed in the middle of the end cover 23. The end cover 23 is mainly used for covering the injection tube 3 to reduce pollution, and is also used for supporting the push rod 5 to ensure that the push rod 5 is rightly arranged as much as possible so as to facilitate normal work.

Specifically, in actual application, the piston 4 is pushed to abut against the liquid blocking ring 15, the puncture tube 1 is inserted into the tumor tissue of the patient, the knife and spoon 11 is inserted into the tumor tissue of the patient along with the puncture tube 1, the knife and spoon 11 is spread and clings to the inner wall of the puncture tube 1, the push rod 5 and the piston 4 are pulled through the circular pull plate 6, and the tumor sample liquid is sucked into the arc-shaped structure of the injection tube 3 under the action of suction pressure and finally enters the collection bottle 25 to be stored for inspection; in the process of extracting the tissue sample liquid, the knife spoon 11 is slowly closed along with the sampling rod 10, the tumor tissue inside the knife spoon 11 is cut through a sharp knife edge on the knife spoon 11 and is left inside the knife spoon 11 until the knife spoon is completely closed and the tumor tissue is cut off, and then the puncture tube 1 is taken out, so that the tumor sample liquid and the tumor tissue can be conveniently sampled; moreover, due to the arrangement of the spring 18, when the cutting is completed, if the tumor sample liquid is extracted too little, the circular pulling plate 6 can be continuously pulled, so that the push rod 5 and the piston 4 can be continuously moved, and more tumor sample liquid can be extracted, and the tumor sample liquid and the tissue can be conveniently inspected.

Claims

1. A tumor sampling device, comprising: comprises a puncture tube (1), a connecting seat (2), an injection tube (3), a piston (4), a push rod (5) and a circular pull plate (6), wherein the puncture tube (1) is connected with the injection tube (3) through the connecting seat (2), the piston (4) is arranged inside the injection tube (3) in a matching way, the right side of the piston (4) is fixedly connected with the push rod (5), one end of the push rod (5) extends to the outside of the injection tube (3) and is connected with the circular pull plate (6), two fixing rods (7) are symmetrically arranged inside the connecting seat (2), the two fixing rods (7) are fixedly connected through a connecting piece A (8), the connecting piece A (8) is hinged with two sampling rods (10) which are matched with each other through a pin shaft A (9), one end of the two sampling rods (10) is provided with a knife spoon (11) and is arranged inside the puncture tube (1), and the other end is respectively hinged with a connecting rod, the two connecting rods (12) are hinged to the middle of the left side of the piston (4) through a connecting piece B (16), a connecting joint (13) is arranged on the side wall of the injection tube (3), the connecting joint (13) is connected with a conveying hose (14), the conveying hose (14) is communicated in a closed collecting bottle (25), a liquid blocking ring (15) is arranged in the injection tube (3), and the liquid blocking ring (15) is located on the left side of the piston (4).

2. The tumor sampling device of claim 1, wherein: one end of the injection tube (3) close to the connecting seat (2) is of an expanded arc-shaped structure, and the liquid blocking ring (15) is arranged on the right side of the arc-shaped structure.

3. The tumor sampling device of claim 1, wherein: the knife spoon (11) is of a concave arc-shaped structure, and the edge of the knife spoon (11) is a sharp knife edge.

4. The tumor sampling device of claim 1, wherein: connecting piece B (16) are inside limiting sleeve (17) including setting up at limiting sleeve (17) of fixed connection in piston (4) left side middle part, and set up in limiting sleeve (17), and connect spring (18) in piston (4) left side middle part, and connect slider (19) on spring (18), slider (19) are through a round pin axle B (20) and two connecting rod (12) are articulated.

5. The tumor sampling device of claim 1, wherein: the collecting bottle (25) lateral wall is equipped with measurement scale (21), and collecting bottle (25) top is equipped with the exhaust hole, exhaust hole inside is equipped with one-way discharge valve (22).

6. A tumour sampling device as claimed in claim 1 or claim 2, wherein: an end cover (23) is sleeved at the right end of the injection tube (3), and a through hole (24) matched with the push rod (5) is formed in the middle of the end cover (23).