CN219000376U

CN219000376U - Tumor cell extractor

Info

Publication number: CN219000376U
Application number: CN202223002254.6U
Authority: CN
Inventors: 刘玲; 张艳; 李卉; 刘伊宁; 伊娜; 沙巴海提·吾斯曼
Original assignee: Xinjiang Medical University
Current assignee: Xinjiang Medical University
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-05-12
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a tumor cell extractor, which relates to the technical field of medical instruments in oncology and comprises a mounting cylinder, wherein a sampling cylinder is slidably connected in the mounting cylinder.

Description

Tumor cell extractor

Technical Field

The utility model relates to the technical field of medical equipment in oncology, in particular to a tumor cell extractor.

Background

In order to accurately judge the tumor type and determine the treatment scheme, the tumor is often required to be subjected to living sampling detection, and the length of a sampling needle cannot be adjusted in the use process of the existing sampler, so that the sampler can be penetrated into a patient body during sampling and the experience of medical staff is fully utilized.

For example, the prior patent (bulletin number: CN 204520793U) discloses a tumor cell extractor, which comprises a hollow puncture needle tube, a liquid storage bottle and a liquid extractor, wherein the lower end of the hollow puncture needle tube is provided with a solid puncture needle head, and one side of the lower end of the hollow puncture needle tube is provided with a tumor tissue sampling port.

Above-mentioned extractor is in the use, and cavity pjncture needle lacks effectual adjusting part in the sampling process in it, and in the sampling process, can only rely on medical personnel's experience to judge the degree of depth of sampling, and the sampling effect is relatively poor, and still need combine sampler and cavity pjncture needle in the sampling process just can draw the tissue fluid comparatively troublesome.

For this purpose, we propose a tumor cell extractor to solve the above problems.

Disclosure of Invention

The utility model provides a tumor cell extractor, which solves the technical problem of poor sampling effect in the prior art.

In order to solve the above technical problems, the present utility model provides a tumor cell extractor, comprising: the utility model provides a sample cell collection device, including installation section of thick bamboo, sliding connection has a sample section of thick bamboo in the installation section of thick bamboo, sliding connection has the pull rod in the sample section of thick bamboo, the one end of pull rod extends to the outside of sample section of thick bamboo and is connected with the installation piece, the bottom of pull rod is connected with the sealing block, sealing block sliding connection is in the sample section of thick bamboo, threaded connection has the sample needle on the sealing block, the bottom of sample section of thick bamboo is connected with the sample pipe, the one end of sample needle is located the sample pipe, the bottom of sample needle is connected with the syringe needle, be connected with two sample pieces on the syringe needle, be provided with adjusting part in the installation section of thick bamboo, insert the sample pipe in the tumour, then rotate the sample piece that the sample needle bottom was connected at this moment and can collect tumour cell, then medical personnel drive the sample needle through pulling the installation piece, make the pull rod vertically upwards move, deposit the tumour cell of collecting in the sample pipe temporarily.

Preferably, the adjusting component comprises a driving gear, the driving gear rotates to be connected in an installation cylinder, one side of the sampling cylinder is connected with an installation rack, the driving gear is connected with the installation rack in a meshed mode, the other side of the driving gear is connected with a limiting rack in a meshed mode, the limiting rack is connected with an installation rod, a buffer spring is sleeved on the installation rod, one end of the buffer spring is connected to the limiting rack, the other end of the buffer spring is connected to the inner wall of the installation cylinder, an indicating block is connected to the installation cylinder, the installation rod is pulled to enable the limiting rack to be not contacted with the driving gear any more, then the driving gear is rotated to drive the installation rack to adjust the sampling position of the sampling needle, and after adjustment is completed, the installation rod pulled in advance is loosened, so that the installation rod is driven by the elasticity of the buffer spring to drive the limiting rack to abut against the driving gear.

Preferably, the mounting cylinder is connected with a transparent observation window, the sampling cylinder is provided with scale marks, and the setting is convenient to quantitatively control the height of the sampling needle by being matched with the indication block.

Preferably, two mutually symmetrical placing blocks are connected to the mounting cylinder, so that medical staff can conveniently take the device.

Preferably, the driving gear is connected with a fixed shaft, and one end of the fixed shaft extends to the outside of the mounting cylinder, so that the rotation is convenient.

Preferably, one end of the mounting rod extends to the outside of the mounting cylinder and is connected with a force application block, so that the mounting rod is convenient to rotate.

Preferably, the force application block is sleeved with an anti-slip sleeve, so that the force application is convenient for medical staff.

Preferably, one side of the sampling tube is connected with a guide block, and the guide block is slidably connected in the mounting tube, so that a certain guide effect can be provided for the movement of the sampling tube.

Compared with the related art, the tumor cell extractor provided by the utility model has the following beneficial effects:

1. according to the utility model, the sampling tube is inserted into a tumor, then the mounting block is rotated to drive the sampling needle to rotate, at the moment, the sampling block connected with the bottom of the sampling needle can collect tumor cells, and then medical staff pulls the mounting block to enable the pull rod to drive the sampling needle to vertically move upwards, so that the tumor cells collected in the sampling block are temporarily stored in the sampling tube.

2. According to the utility model, the mounting rod is pulled to enable the limiting rack to be no longer in contact with the driving gear, then the driving gear is rotated to drive the mounting rack to adjust in the vertical direction, so that the sampling position of the sampling needle is adjusted, after the adjustment is finished, the mounting rod which is pulled in advance is loosened, the mounting rod is enabled to be driven by the elasticity of the buffer spring to drive the limiting rack to abut against the driving gear, and the sampling needle can be adjusted.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a tumor cell extractor;

FIG. 2 is a schematic diagram of the internal structure of a tumor cell extractor;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

FIG. 4 is an enlarged view of the structure at C in FIG. 1;

fig. 5 is an enlarged view of the structure at B in fig. 2.

Reference numerals in the drawings: 1. a mounting cylinder; 2. a sampling tube; 3. a pull rod; 4. a mounting block; 5. a sealing block; 6. a sampling needle; 7. a sampling tube; 8. a needle; 9. sampling the sample block; 10. a drive gear; 11. installing a rack; 12. a limit rack; 13. a mounting rod; 14. a buffer spring; 15. indicating a block.

Detailed Description

Embodiments of the present utility model are described in detail below.

An embodiment one, given in fig. 1-3, a tumor cell extractor, comprising: the utility model provides a simple structure, install section of thick bamboo 1, sliding connection has a sampling tube 2 in 1, sliding connection has pull rod 3 in 2, the one end of pull rod 3 extends to the outside of sampling tube 2 and is connected with installation piece 4, the bottom of pull rod 3 is connected with sealing block 5, sealing block 5 sliding connection is in sampling tube 2, threaded connection has sampling needle 6 on the sealing block 5, the bottom of sampling tube 2 is connected with sampling tube 7, the one end of sampling needle 6 is located sampling tube 7, the bottom of sampling needle 6 is connected with syringe needle 8, be connected with two sampling blocks 9 on syringe needle 8, be provided with adjusting part in the installation section of thick bamboo 1.

In addition, be connected with the blade on the sampling block 9, offered the collecting vat in the sampling block 9, conveniently scrape tumour tissue and collect in the collecting vat.

The sampling tube 7 is inserted into a tumor, then the mounting block 4 is rotated to drive the sampling needle 6 to rotate, at the moment, the sampling block 9 connected with the bottom of the sampling needle 6 can scrape tumor cells and temporarily store the tumor cells in the collecting tank, then medical staff pulls the mounting block 4 to enable the pull rod 3 to drive the sampling needle 6 to vertically move upwards, tumor cells collected in the sampling block 9 are temporarily stored in the sampling tube 7, then the sampling tube 7 is taken out from the tumor, then the mounting block 4 is pushed to drive the sampling needle 6 to move, tumor cells in the sampling block 9 are taken out, and when tissue fluid needs to be sampled, the sampling needle 6 only needs to be screwed out from the sealing block 5, and the sampling needle 6 can be used for sampling.

The transparent observation window is connected to the mounting cylinder 1, and the scale marks are arranged on the sampling cylinder 2, so that the setting is convenient to be matched with the indication block 15 for quantitatively controlling the height of the sampling needle 6;

two mutually symmetrical placing blocks are connected on the mounting cylinder 1, so that medical staff can conveniently take the device.

The second embodiment is shown in fig. 2 and fig. 5, on the basis of the first embodiment, the adjusting assembly comprises a driving gear 10, the driving gear 10 is rotatably connected in the installation barrel 1, one side of the sampling barrel 2 is connected with an installation rack 11, the driving gear 10 is in meshed connection with the installation rack 11, the other side of the driving gear 10 is in meshed connection with a limit rack 12, the limit rack 12 is connected with an installation rod 13, the installation rod 13 is sleeved with a buffer spring 14, one end of the buffer spring 14 is connected on the limit rack 12, the other end of the buffer spring 14 is connected on the inner wall of the installation barrel 1, and the installation barrel 1 is connected with an indication block 15.

The mounting rod 13 is pulled to enable the limiting rack 12 not to be in contact with the driving gear 10 any more, then the driving gear 10 is rotated to drive the mounting rack 11 to adjust in the vertical direction, so that the sampling position of the sampling needle 6 is adjusted, after the adjustment is completed, the mounting rod 13 which is pulled in advance is loosened, the mounting rod 13 is enabled to be driven by the elastic force of the buffer spring 14 to drive the limiting rack 12 to abut on the driving gear 10, and the position of the sampling needle 6 is fixed.

The driving gear 10 is connected with a fixed shaft, one end of the fixed shaft extends to the outside of the mounting cylinder 1, and the driving gear 10 is convenient to rotate;

one end of the mounting rod 13 extends to the outside of the mounting cylinder 1 and is connected with a force application block, so that the mounting rod 13 can be rotated conveniently;

the force application block is sleeved with an anti-slip sleeve, so that the medical staff can apply force conveniently;

one side of the sampling tube 2 is connected with a guide block which is slidably connected in the mounting tube 1, and a certain guide effect can be provided for the movement of the sampling tube 2.

An embodiment III, given by FIGS. 1-5, comprises, on the basis of embodiment II: the device comprises a mounting barrel 1, a sampling barrel 2 is slidably connected in the mounting barrel 1, a pull rod 3 is slidably connected in the mounting barrel 2, one end of the pull rod 3 extends to the outside of the sampling barrel 2 and is connected with a mounting block 4, the bottom of the pull rod 3 is connected with a sealing block 5, the sealing block 5 is slidably connected in the sampling barrel 2, a sampling needle 6 is connected to the sealing block 5 in a threaded manner, the bottom of the sampling barrel 2 is connected with a sampling tube 7, one end of the sampling needle 6 is positioned in the sampling barrel 7, the bottom of the sampling needle 6 is connected with a needle head 8, two sampling blocks 9 are connected to the needle head 8, an adjusting component is arranged in the mounting barrel 1 and comprises a driving gear 10, the driving gear 10 is rotatably connected in the mounting barrel 1, one side of the sampling barrel 2 is connected with a mounting rack 11, the driving gear 10 is in meshed connection with the mounting rack 11, the other side of the driving gear 10 is in meshed connection with a limiting rack 12, a mounting rod 13 is connected with the mounting rod 13 in a sleeved manner, one end of the buffering spring 14 is connected to the limiting rack 12, the other end of the buffering spring is connected to the limiting rack 1, the other end of the buffering spring is connected to the inner wall of the mounting barrel 1, and an indicating block 15 is connected to the mounting barrel 1.

Working principle: when a tumor needs to be sampled:

inserting the sampling tube 7 into a tumor, then rotating the mounting block 4 to drive the sampling needle 6 to rotate, scraping tumor cells off the sampling block 9 connected with the bottom of the sampling needle 6 and temporarily storing the tumor cells in the collecting tank, then enabling the medical staff to drive the sampling needle 6 to vertically move upwards by pulling the mounting block 4, temporarily storing the tumor cells collected in the sampling block 9 in the sampling tube 7, then taking the sampling tube 7 out of the tumor, then pushing the mounting block 4 to drive the sampling needle 6 to move, taking the tumor cells in the sampling block 9 out, and when tissue fluid needs to be sampled, sampling can be performed by utilizing the sampling needle 6 by rotating the sampling needle 6 out of the sealing block 5;

when the sampling position needs to be adjusted;

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

Claims

1. A tumor cell extractor comprising: install section of thick bamboo (1), its characterized in that, be provided with sampling tube (2) in installation section of thick bamboo (1), be provided with pull rod (3) in sampling tube (2), the one end of pull rod (3) extends to the outside of sampling tube (2) and is connected with installation piece (4), the bottom of pull rod (3) is connected with sealing block (5), threaded connection has sampling needle (6) on sealing block (5), the bottom of sampling tube (2) is connected with sampling tube (7), the one end of sampling needle (6) is located sampling tube (7), the bottom of sampling needle (6) is connected with syringe needle (8), be connected with two sampling blocks (9) on syringe needle (8), be provided with adjusting part in installation section of thick bamboo (1).

2. The tumor cell extractor according to claim 1, wherein the adjusting assembly comprises a driving gear (10), the driving gear (10) is arranged in the mounting cylinder (1), one side of the sampling cylinder (2) is connected with a mounting rack (11), the driving gear (10) is connected with the mounting rack (11) in a meshed manner, the other side of the driving gear (10) is connected with a limiting rack (12) in a meshed manner, the limiting rack (12) is connected with a mounting rod (13), the mounting rod (13) is sleeved with a buffer spring (14), one end of the buffer spring (14) is connected to the limiting rack (12), the other end of the buffer spring is connected to the inner wall of the mounting cylinder (1), and the mounting cylinder (1) is connected with an indicating block (15).

3. Tumor cell extractor according to claim 2, characterized in that the driving gear (10) has a fixed shaft connected thereto, one end of which extends outside the mounting cylinder (1).

4. The tumor cell extractor according to claim 1, wherein the mounting cylinder (1) is connected with a transparent observation window, and the sampling cylinder (2) is provided with graduation marks.

5. Tumor cell extractor according to claim 1, characterized in that the mounting cylinder (1) is connected with two placement blocks which are symmetrical to each other.

6. Tumor cell extractor according to claim 2, characterized in that one end of the mounting rod (13) extends outside the mounting cylinder (1) and is connected with a force application block.

7. The tumor cell extractor of claim 6, wherein the force application block is sleeved with an anti-slip sleeve.

8. Tumor cell extractor according to claim 1, characterized in that one side of the sampling cartridge (2) is connected with a guide block, which is slidingly connected in the mounting cartridge (1).