CN214965979U

CN214965979U - Sampling device for tumor patient examination

Info

Publication number: CN214965979U
Application number: CN202120907837.XU
Authority: CN
Inventors: 韩雪飞; 高艺尹; 吴桂杰
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-12-03
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a sampling device for examining tumor patients, which comprises a protection cylinder and a sampling component, a fixed body is fixedly arranged at the right end of the protection cylinder, a connecting cylinder is fixedly connected at the right end of the fixed body, the sampling component comprises a screw rod, a fixed bolt connecting rod and a piston, a fixed bolt is fixedly connected at the right end of the connecting cylinder, a threaded hole is arranged at the middle position of the fixed bolt, the screw rod is rotatably arranged in the threaded hole, the front end of the screw rod extends into the connecting cylinder, the connecting rod is slidably arranged in the fixed body, one end of the connecting rod extends into the fixed connecting screw rod in the connecting cylinder, the other end is fixedly connected with the piston, and the left end of the protection cylinder is fixedly connected with a shell. The sampling speed can be accelerated, the whole structure is simple, and the working efficiency can be improved.

Description

Sampling device for tumor patient examination

Technical Field

The utility model relates to a sampling device technical field, in particular to sampling device is used in tumour patient's inspection.

Background

The tumor is an abnormal lesion formed by the clonal abnormal hyperplasia of the body caused by the loss of the normal regulation and control of the growth of a certain cell of a local tissue on the gene level under the action of various pathogenic factors, the tumor is divided into benign and malignant, necessary treatment modes are adopted for definite diagnosis, the tumor needs to be sampled for pathological analysis, the body surface tumor biopsy sampling can be successfully realized through an operation incision when clinically carrying out the body surface tumor biopsy sampling on a patient, but the operation incision can bring great pain to the patient, so a syringe is generally adopted for puncture aspiration sampling at present, the traditional sampler is simple, the sampling is carried out by a negative pressure aspiration mode, the sampling effect is not ideal, and the problems of damage of the extracted tissue cells due to different pressures, sampling failure and the like caused by unequal pressures in the aspiration process are solved, there is a need for improvements to the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the problem that proposes among the above-mentioned background art, and provide a sampling device is used in tumour patient's inspection.

A sampling device for examining tumor patients comprises a protection cylinder and a sampling assembly, wherein a fixed body is fixedly mounted at the right end of the protection cylinder, a connecting cylinder is fixedly connected at the right end of the fixed body, the sampling assembly comprises a screw rod, a fixing bolt connecting rod and a piston, the right end of the connecting cylinder is fixedly connected with a fixing bolt, a threaded hole is formed in the middle position of the fixing bolt, the screw rod is rotatably mounted in the threaded hole, the front end of the screw rod extends into the connecting cylinder, the connecting rod is slidably mounted in the fixing body, one end of the connecting rod extends into the connecting cylinder to fixedly connect the screw rod, the other end of the connecting rod is fixedly connected with the piston, and a shell is fixedly connected at the left end of the protection cylinder;

preferably, a piston tube is fixedly installed inside the shell and the protection cylinder, a piston is installed inside the piston tube in a sliding mode, and a flow port is formed in the lower side of the piston tube;

preferably, a needle head is fixedly installed at the left end of the shell and is connected with the piston tube, and a through hole is formed in the surface of the needle head;

preferably, a rotary handle is fixedly installed at the right end of the screw rod, and handles are fixedly installed at the upper end and the lower end of the fixed body;

preferably, a liquid outlet cylinder is fixedly mounted on the outer portion of the lower end of the protection cylinder and communicated with the flow port, and a measuring cup is fixedly mounted at the lower end of the liquid outlet cylinder.

The utility model has the advantages that:

this sampling device is used in tumour patient's inspection, through the rotation of screw rod, make the piston move at the piston pipe at the uniform velocity, the negative pressure of inside production can be with the at uniform velocity extraction of tumour cell, avoid the too big or different damage that leads to of negative pressure, set up a plurality of through-holes on the syringe needle, can accelerate sample rate, overall structure is simple, can improve work efficiency.

Drawings

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

fig. 2 is a schematic view of the structure of the needle head of the present invention.

In the figure: the device comprises a protection cylinder 1, a sampling assembly 2, a piston cylinder 3, a piston 4, a fixing body 5, a handle 6, a connecting cylinder 7, a connecting rod 8, a fixing bolt 9, a screw rod 10, a rotary handle 11, a threaded hole 12, a measuring cup 13, a liquid outlet cylinder 14, a liquid outlet 15, a needle 16, a shell 17 and a through hole 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, a sampling device for examining a tumor patient includes a protection cylinder 1 and a sampling assembly 2, a fixing body 5 is fixedly mounted at a right end of the protection cylinder 1, a connecting cylinder 7 is fixedly connected at the right end of the fixing body 5, the sampling assembly 2 includes a screw rod 10, a fixing bolt 9, a connecting rod 8 and a piston 4, the fixing bolt 9 is fixedly connected at the right end of the connecting cylinder 7, a threaded hole 12 is formed in the middle position of the fixing bolt 9, the screw rod 10 is rotatably mounted in the threaded hole 12, a front end of the screw rod 10 extends into the connecting cylinder 7, the connecting rod 8 is slidably mounted in the fixing body 5, one end of the connecting rod 8 extends to the screw rod 10 fixedly connected in the connecting cylinder 7, the other end of the connecting rod is fixedly connected with the piston 4, and a shell 17 is fixedly connected at a left end of the protection cylinder 1;

specifically, the protection cylinder 1 and the shell 17 are integrated, the piston cylinder 3 is used for sucking cells, the screw 10 is matched with the threaded hole 12 in the fixing bolt 9, the screw 10 is driven to move left and right, and the piston 4 is driven to move in the piston cylinder 3;

a piston tube 3 is fixedly arranged inside the shell 17 and the protection cylinder 1, a piston 4 is slidably arranged inside the piston tube 3, and a flow port 15 is arranged at the lower side of the piston tube 3;

in particular, the flow port 15 is used for flowing tumor cells inside the piston tube 3 out of the device;

a needle 16 is fixedly arranged at the left end of the shell 13, and is connected with the piston tube 3, and a through hole 18 is formed in the surface of the needle 16;

specifically, the needle 16 is used for inserting into tumor tissue, sucking tumor cells and sucking into the piston tube 3, and the through hole 18 enlarges the absorption area;

a rotary handle 11 is fixedly arranged at the right end of the screw rod 10, and handles 6 are fixedly arranged at the upper end and the lower end of the fixed body 5;

specifically, the rotating handle 11 facilitates the medical staff to rotate the screw 10, and the handle 5 facilitates the medical staff to use the whole device;

a liquid outlet cylinder 14 is fixedly arranged outside the lower end of the protection cylinder 1 and is communicated with the flow port 15, and a measuring cup 13 is fixedly arranged at the lower end of the liquid outlet cylinder 14;

specifically, through the cell extraction of piston 4, when piston 4 activity, when piston cylinder 3 inside produced the negative pressure, the tumor cell in the piston cylinder 3 flows out through a liquid outlet cylinder 14, flows to graduated flask 13 through a liquid outlet cylinder 14 in, and the outward appearance of graduated flask 13 is equipped with the scale, is convenient for take a sample and observes the quantity of taking a sample.

The utility model discloses a theory of operation and process:

when sampling is carried out, the rotating handle 11 is rotated clockwise, the screw 10 is in threaded fit with the threaded hole 12 in the fixing bolt 9, the screw 10 moves forwards, the connecting rod 8 drives the piston 3 to move towards the position of the needle 16 in the piston cylinder 3, the pressure in the piston cylinder 3 is extruded, a worker moves the equipment to the surface of tumor tissue through the handles 6 at two ends of the fixing body 5, the needle 16 is inserted into the tissue, the rotating handle 11 is rotated anticlockwise, the screw 10 is in threaded fit with the threaded hole 12 through the screw 10, the screw 10 moves backwards, the piston 3 is driven to move backwards, negative pressure is generated in the piston cylinder 3, the needle 16 sucks tumor cells into the piston cylinder 3, and the tumor cells flow into the measuring cup 13 through the liquid outlet 15 and the liquid outlet cylinder 14 due to continuous backward movement of the piston 4 to reach a proper amount, the rotation is stopped, and the needle 16 is pulled out; the rotation of crossing the screw rod makes the piston move at the uniform velocity in the piston pipe, and the negative pressure of inside production can be with the at uniform velocity extraction of tumour cell, avoids the too big or different damage that leads to of negative pressure, sets up a plurality of through-holes on the syringe needle, can accelerate sampling speed, and overall structure is simple, can improve work efficiency.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A sampling device for tumor patient examination, comprising a protective cylinder (1) and a sampling assembly (2), characterized in that: a fixed body (5) is fixedly arranged at the right end of the protection cylinder (1), a connecting cylinder (7) is fixedly connected at the right end of the fixed body (5), the sampling component (2) comprises a screw rod (10), a fixed bolt (9), a connecting rod (8) and a piston (4), the right end of the connecting cylinder (7) is fixedly connected with a fixed bolt (9), a threaded hole (12) is arranged in the middle of the fixed bolt (9), a screw rod (10) is rotatably arranged in the threaded hole (12), the front end of the screw rod (10) extends into the connecting cylinder (7), the inside slidable mounting of the fixed body (5) has a connecting rod (8), the one end of connecting rod (8) extends to the inside fixed connection of connecting cylinder (7) screw rod (10), other end fixed connection piston (4), the left end fixedly connected with shell (17) of a protection section of thick bamboo (1).

2. The sampling device for tumor patient examination according to claim 1, wherein: the utility model discloses a piston tube, including shell (17) and protection cylinder (1), the inside fixed mounting of shell (17) and protection cylinder (1) has piston tube (3), the inside slidable mounting piston (4) of piston tube (3), the downside of piston tube (3) is equipped with flow mouth (15).

3. The sampling device for tumor patient examination according to claim 1, wherein: a needle head (16) is fixedly arranged at the left end of the shell (17), and is connected with the piston tube (3), and a through hole (18) is formed in the surface of the needle head (16).

4. The sampling device for tumor patient examination according to claim 1, wherein: the right-hand member fixed mounting of screw rod (10) has rotatory handle (11), stranded fixed mounting in the upper and lower both ends of fixed body (5) has handle (6).

5. The sampling device for tumor patient examination according to claim 1, wherein: the outer part of the lower end of the protection cylinder (1) is fixedly provided with a liquid outlet cylinder (14) and communicated with the flow port (15), and the lower end of the liquid outlet cylinder (14) is fixedly provided with a measuring cup (13).