CN210144683U - Oral cancer cell puncture sampling device - Google Patents

Abstract

The utility model relates to the technical field of sampling devices, in particular to a cavity cancer cell puncture sampling device, comprising a casing, a handle is fixedly installed on the middle end of the bottom side of the casing, a setting groove is formed at the middle end of the right side of the handle, and the front and rear sides of the setting groove are arranged inside the groove. A rotating shaft is rotatably connected between them, a trigger member is fixedly installed on the rotating shaft, a push block is fixedly installed on the top side of the trigger member, a partition plate is fixedly installed on the middle ends of the upper and lower sides of the inner casing, and a sliding plate is provided on the right end of the top side of the casing. The utility model provides an oral cancer cell puncture sampling device. By manually pressing the trigger, the push block moves and rotates to the right around the rotating shaft, so that the moving plate is pushed to the right, so that the front end of the sampling needle protrudes from the positioning sleeve The positioning needle is punctured into the inner wall of the oral cavity, and the limit block and the initial through groove are set to avoid excessively turning the trigger and making the needle puncture too long, piercing the patient's oral cavity, causing the patient and injury and pain. .

Description

An oral cancer cell puncture sampling device

technical field

The utility model relates to the technical field of sampling devices, in particular to a puncture sampling device for oral cancer cells.

Background technique

With the development of society, the continuous progress of science and technology, and the continuous improvement of living standards, people pay more and more attention to health. In the clinical diagnosis of the blood system, the puncture needle is the most commonly used instrument in the puncture biopsy technique. When detecting cancer, a corresponding puncture sampling device needs to be used. However, a general puncture sampling device cannot control the depth of puncture performed by the device.

For example, a sampling device for bone marrow puncture with Chinese patent application number CN201720393075.X includes an end cap, a piston rod, a limit bracelet, a liquid storage tank, a first piston body, a notch, a needle tube, a limit block, an elastic protrusion A liquid storage tank is tightly slidably connected in the needle tube, and one end of the liquid storage tank is in close contact with the inner wall of the needle tube. The first piston body is fixed A piston rod runs through one end of the liquid storage tank and the needle tube, and the piston rod is fixedly connected with the second piston body that is tightly slidably connected in the liquid storage tank. An elastic protrusion is connected, and the elastic protrusion is tightly connected with the notches embedded in the two ends of the first piston body, the needle tube is threadedly connected with the needle sleeve through the fixed threaded port at the port, and an end cover is fixedly connected to one end of the piston rod The two ends of the surface of the needle tube are fixedly installed with limited wristbands, the first piston body is connected with a puncture needle body, the puncture needle body is provided with a puncture needle core, and the puncture needle core is communicated with the liquid storage tank, and the outer wall of the puncture needle is evenly distributed on the outer wall There are several tick marks.

Although the above-mentioned utility model can facilitate the puncture, it cannot control the puncture depth of the needle well, and the puncture detection of oral cancer needs to prevent the needle from puncturing excessively and pierce the oral cavity, so as to avoid damage to the patient's oral cavity. Therefore, it is urgent to develop a The oral cancer cell puncture sampling device solves the above problems.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a puncture sampling device for oral cancer cells. By manually pressing the trigger, the push block moves and rotates to the right around the rotating shaft, so that the moving plate is pushed to the right, and the sampling needle is pushed to the right. The front end protrudes from the positioning sleeve, and the positioning needle is punctured into the inner wall of the oral cavity. It is also provided with the limit block and the initial through groove, so as to avoid excessively turning the trigger and making the needle puncture too long, piercing the patient's oral cavity, and causing disease. Suffering and injury and pain.

The utility model is realized through the following technical solutions:

A device for puncturing and sampling oral cancer cells, comprising a casing, a handle is fixedly installed on the middle end of the bottom side of the casing, a setting groove is opened at the middle end of the right side of the handle, and a front and rear sides of the setting groove are rotatably connected inside the setting groove. A rotating shaft, a trigger member is fixedly installed on the rotating shaft, a push block is fixedly installed on the top side of the trigger member, a partition plate is fixedly installed on the middle ends of the upper and lower sides inside the casing, and the right end of the top side inside the casing is provided with A sliding groove is provided with a through groove at the right end of the bottom side of the casing, a positioning sleeve is fixedly installed at the middle end of the right side of the casing, a sampling pipe is fixedly installed on the left side of the inner casing, and a sampling pipe is fixedly installed at the middle end of the right side of the sampling pipe. For the first casing head, two sets of return springs are fixedly installed on the upper and lower ends of the right side of the partition plate, and a moving plate is fixedly installed on the right end of the two sets of return springs, and a sliding plate is fixedly installed on the top side of the moving plate. The upper end of the sliding block is slidably connected in the sliding groove, and the lower end of the moving plate passes through the through groove, and the middle end of the moving plate disposed inside the casing is fixedly installed with a second set of a tube head, a connecting hose is inserted between the left side of the second cannula head and the right side of the first cannula head, and a needle fixing tube is fixedly installed on the right side of the second cannula head, A sampling needle is fixedly installed in the needle fixing tube, and the right end of the sampling needle passes through the opening provided in the middle end of the right side of the housing and penetrates into the positioning sleeve.

Preferably, anti-skid textures are symmetrically arranged on the front and rear sides of the handle.

Preferably, the sampling tube includes a liquid storage tank, a piston body, a piston rod and an end cap, the first casing head is fixedly installed at the through hole opened at the middle end of the right side of the liquid storage tank, and the piston body Slidingly connected in the inner wall of the liquid storage tank, a piston rod is fixedly installed on the left side of the piston body, the piston rod passes through the through hole opened in the middle end of the left side of the liquid storage tank, and the left end is fixedly installed with a piston rod. end cap.

Preferably, a second return spring is fixedly installed between the lower end of the left side of the trigger and the middle end of the right side of the handle.

Preferably, a limiting block is fixedly installed at the right end of the inner bottom side of the casing.

The beneficial effects of the present utility model are:

1. By manually pressing the trigger, the trigger rotates down around the rotating shaft and compresses the second return spring, and the push block moves and rotates around the rotating shaft to the right, so that the moving plate is pushed to the right, and the front end of the sampling needle is extended and positioned. The cannula, the positioning needle is punctured into the inner wall of the oral cavity, together with the limit block and the initial through groove, to avoid excessively turning the trigger and making the needle puncture too long, piercing the patient's oral cavity, causing the patient and injury and damage. pain.

2. After the puncture and sampling is completed, the medical staff releases the pressed trigger, the second return spring pushes the trigger, and at the same time, the two sets of return springs pull the moving plate to the left, and the sampling needle automatically retracts into the positioning sleeve to avoid During the removal of the device after sampling, the positioning needle punctured the patient's lining of the oral cavity.

3. The device has compact structure, convenient and simple operation, can effectively avoid the secondary injury of the patient caused by excessive puncture in the oral sampling process, and has strong practicability.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the external structure schematic diagram of the present utility model;

Figure 2 is a schematic diagram of the internal structure of the present invention.

In the picture: 1-Shell, 101-Sliding groove, 102-Through groove, 2-Handle, 201-Setting groove, 202-Anti-slip texture, 3-Rotating shaft, 4-Trigger piece, 5-Push block, 6-Partition plate, 7-positioning sleeve, 8-sampling tube, 81-storage tank, 82-piston body, 83-piston rod, 84-end cap, 9-first sleeve head, 10-return spring, 11-moving plate, 12-Slider, 13-Second casing head, 14-Connecting hose, 15-Needle fixing tube, 16-Sampling needle, 17-Second return spring, 18-Limiting block.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described above are 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 work fall within the protection scope of the present invention.

A device for puncturing and sampling oral cancer cells, comprising a casing 1, a handle 2 is fixedly mounted on the middle end of the bottom side of the casing 1, a setting groove 201 is opened at the middle end of the right side of the handle 2, and a setting groove 201 is rotatably connected between the front and rear sides of the setting groove 201. Rotating shaft 3, a trigger member 4 is fixedly installed on the rotating shaft 3, a push block 5 is fixedly installed on the top side of the trigger member 4, a partition plate 6 is fixedly installed on the middle ends of the upper and lower sides inside the casing 1, and the right end of the top side inside the casing 1 is fixedly installed A sliding groove 101 is provided, and a through groove 102 is provided on the right end of the bottom side of the casing 1. A positioning sleeve 7 is fixedly installed at the middle end of the right side of the casing 1. A sampling tube 8 is fixedly installed on the left side of the casing 1. A first casing head 9 is fixedly installed at the end, two sets of return springs 10 are fixedly installed at the upper and lower ends of the right side of the partition 6, and a moving plate 11 is fixedly installed on the right end of the two sets of return springs 10, and the top side of the moving plate 11 is fixedly installed. A sliding block 12 is fixedly installed, the upper end of the sliding block 12 is slidably connected in the sliding groove 101, and the lower end of the moving plate 11 passes through the through groove 102, and a second sleeve is fixedly installed through the middle end of the moving plate 11 inside the casing 1. Head 13, a connecting hose 14 is inserted between the left side of the second cannula head 13 and the right side of the first cannula head 9, and a needle fixing tube 15 is fixedly installed on the right side of the second cannula head 13. The needle head A sampling needle 16 is fixedly installed in the fixing tube 15 , and the right end of the sampling needle 16 passes through the opening provided in the middle end of the right side of the housing 1 and penetrates into the positioning sleeve 7 .

Specifically, the front and rear sides of the handle 2 are symmetrically provided with anti-skid textures 202 , the sampling tube 8 includes a liquid storage tank 81 , a piston body 82 , a piston rod 83 and an end cover 84 , and the first casing head 9 is fixedly installed in the liquid storage tank 81 . At the through hole opened at the middle end of the right side, the piston body 82 is slidably connected to the inner wall of the liquid storage tank 81, the piston rod 83 is fixedly installed on the left side of the piston body 82, and the piston rod 83 passes through the middle end of the left side of the liquid storage tank 81 to open A second return spring 17 is fixedly installed between the lower left end of the trigger member 4 and the middle end of the right side of the handle 2, and a limit block 18 is fixedly installed at the right end of the inner bottom side of the housing 1. .

When the utility model is in use, the medical staff manually holds the handle 2 and the device, and puts the positioning sleeve 7 of the sampling device into the patient's mouth where the cancer cells need to be sampled, and the positioning sleeve 7 The front end of the tube 7 is pressed against the inner wall of the patient's oral cavity. By manually pressing the trigger member 4, the trigger member 4 rotates down around the rotating shaft 3 and compresses the second return spring 17, and the push block 5 moves and rotates to the right around the rotating shaft 3. The moving plate 11 is pushed to the right, so that the front end of the sampling needle 16 extends out of the positioning sleeve 7, and the positioning needle 16 is punctured into the inner wall of the oral cavity, together with the limit block 18 and the initial through groove 102, so as to avoid excessive rotation of the trigger. 4. The needle 16 is punctured too long, and the patient's oral cavity is pierced, causing the patient and injury and pain. After the needle is punctured, the medical staff manually pulls the end cap 84 to the outer end, drives the piston rod 83 to pull the piston body 82 outward, and sucks the sampling liquid in the patient's mouth through the transmission of the sampling needle 16 and the connecting hose 14 into the storage tank. In the liquid tank 81; after the puncture sampling is completed, the medical staff releases the pressed trigger 4, the second return spring 17 pushes the trigger 4 upward, and at the same time, the two sets of return springs 10 pull the moving plate 11 to the left, and quickly make the sampling needle 16 The inside of the positioning sleeve 7 is automatically retracted to prevent the positioning needle 16 from puncturing the inner wall of the patient's oral cavity during the process of taking out the device after sampling.

The above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be used for the foregoing implementations. The technical solutions described in the examples are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (5)

1. An oral cancer cell puncture sampling device, includes shell (1), its characterized in that: a handle (2) is fixedly installed at the middle end of the bottom side of the shell (1), a setting groove (201) is formed in the middle end of the right side of the handle (2), a rotating shaft (3) is rotatably connected between the front side and the rear side of the setting groove (201), a pulling part (4) is fixedly installed on the rotating shaft (3), a pushing block (5) is fixedly installed on the top side of the pulling part (4), a partition plate (6) is fixedly installed at the middle ends of the upper side and the lower side of the interior of the shell (1), a sliding groove (101) is formed in the right end of the top side of the interior of the shell (1), a through groove (102) is formed in the right end of the bottom side of the shell (1), a positioning sleeve (7) is fixedly installed at the middle end of the right side of the shell (1), a sampling pipe (8) is fixedly installed at the left side of the interior of the shell (1), a first sleeve head (, a moving plate (11) is fixedly arranged at the right side end of the two groups of return springs (10), a sliding block (12) is fixedly arranged on the top side of the moving plate (11), the upper end of the sliding block (12) is connected in the sliding groove (101) in a sliding manner, the lower end of the movable plate (11) penetrates through the through groove (102), a second sleeve head (13) is fixedly arranged on the middle end of the movable plate (11) arranged in the shell (1) in a penetrating way, a connecting hose (14) is inserted between the left side of the second sleeve head (13) and the right side of the first sleeve head (9), a needle fixing tube (15) is fixedly arranged at the right side of the second sleeve head (13), a sampling needle (16) is fixedly arranged in the needle fixing tube (15), and the right end of the sampling needle (16) passes through the opening arranged at the middle end of the right side of the shell (1) and penetrates into the positioning sleeve (7).

2. The oral cancer cell puncture sampling device according to claim 1, wherein: anti-skid textures (202) are symmetrically arranged on the front side and the rear side of the handle (2).

3. The oral cancer cell puncture sampling device according to claim 1, wherein: the sampling tube (8) comprises a liquid storage tank (81), a piston body (82), a piston rod (83) and an end cover (84), the first sleeve head (9) is fixedly installed at a through hole formed in the middle end of the right side of the liquid storage tank (81), the piston body (82) is connected to the inner wall of the liquid storage tank (81) in a sliding mode, the piston rod (83) is fixedly installed on the left side of the piston body (82), the piston rod (83) penetrates out of the through hole formed in the middle end of the left side of the liquid storage tank (81), and the end cover (84) is fixedly installed on the left end of.

4. The oral cancer cell puncture sampling device according to claim 1, wherein: a second return spring (17) is fixedly arranged between the lower end of the left side of the spanner part (4) and the middle end of the right side of the handle (2).

5. The oral cancer cell puncture sampling device according to claim 1, wherein: and a limiting block (18) is fixedly arranged at the right end of the bottom side in the shell (1).

Images