CN220380811U

CN220380811U - Sampling needle device

Info

Publication number: CN220380811U
Application number: CN202321970118.8U
Authority: CN
Inventors: 李家诚; 朱艳华
Original assignee: Xuzhou Baoxing Medical Equipment Co ltd
Current assignee: Xuzhou Baoxing Medical Equipment Co ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2024-01-23
Anticipated expiration: 2033-07-26

Abstract

The utility model provides a sampling needle device, and belongs to the technical field of sample analysis medical equipment. The utility model comprises a needle cylinder, wherein a connecting pipe is fixedly connected above the needle cylinder, an air bag is connected at the end part of the connecting pipe in a through way, a fixing sleeve is fixedly connected below the needle cylinder, a conical cylinder is fixedly connected on the fixing sleeve, a needle tube fixing cap is fixedly connected on the conical cylinder, a telescopic device and a hose are arranged in the fixing sleeve, the telescopic device and the hose end part are respectively connected with the fixing sleeve and a mounting plate, the needle tube is fixedly connected below the mounting plate, the needle tube is connected with the hose in a through way through the mounting plate, one end of the hose, which is far away from the mounting plate, is connected with the needle cylinder in a through way, and the needle tube, the air bag, the telescopic device, the fixing sleeve and the needle tube are matched for use, so that a sample can be sampled in a layered way without touching a test tube wall, and a needle head is not required to be packaged in a plastic way, and the use is convenient and environment-friendly.

Description

Sampling needle device

Technical Field

The utility model relates to the technical field of sample analysis medical equipment, in particular to a sampling needle device.

Background

At present, the sperm quality analyzer is mainly used for evaluating sperm quality and vitality parameters in semen samples, provides basis for clinical diagnosis of infertility and selection of pregnancy assisting modes, generally comprises a transportation device, a sampling device, a reaction device and other sample processing devices, and can carry out various operations such as transportation, sampling, reaction with reagents and the like on the semen samples so as to realize detection and analysis of the samples.

In the sampling device, a sampling needle is generally arranged to collect semen samples in a sampling test tube, and when the samples are sampled, the existing sampling needle has the following defects: firstly, the needle tube and the needle tube are required to be respectively packaged, and when sampling work is carried out, the needle tube and the needle tube are required to be respectively unpacked, assembled and spliced, so that the needle tube is inconvenient and the hand is possibly pricked; and two,: when the semen sample in the test tube is sampled, external particles can be transferred into the test tube due to the opened package of the test tube, so that pollution can be generated to a certain extent, and the survival environment of sperms is further influenced; thirdly, when sampling semen sample, because the phenomenon of layering probably appears in the semen in the test tube, need take the average value to sample many times, the process is comparatively loaded down with trivial details.

How to invent a sampling needle device to improve these problems becomes a urgent problem for those skilled in the art.

Disclosure of Invention

In order to overcome the defects, the utility model provides a sampling needle device, which aims to solve the problems that a semen sample is possibly damaged and needs to be sampled for multiple times in the sampling process.

The utility model is realized in the following way:

the utility model provides a sampling needle device which comprises a needle cylinder and a connecting pipe fixedly connected above the needle cylinder, wherein the end part of the connecting pipe is in through connection with an air bag, the lower part of the needle cylinder is fixedly connected with a fixing sleeve, a conical cylinder is fixedly connected onto the fixing sleeve, a needle tube fixing cap is fixedly connected onto the conical cylinder, a fixing device is installed and connected onto the needle tube fixing cap, a telescopic device and a hose are arranged inside the fixing sleeve, the telescopic device and the end part of the hose are respectively connected with the fixing sleeve and a mounting plate, the lower part of the mounting plate is fixedly connected with a needle tube, the needle tube is in through connection with the hose through the mounting plate, and one end of the hose, far away from the mounting plate, is in through connection with the needle cylinder.

Preferably, the telescopic device comprises a telescopic sleeve fixedly connected with the bottom of the fixed sleeve, a pressure spring is fixedly connected inside the telescopic sleeve, a telescopic rod is fixedly connected with the end part of the pressure spring, the end part of the telescopic rod is fixedly connected with the mounting plate, and the outer diameter of the telescopic rod is matched with the inner diameter of the telescopic sleeve.

Preferably, the fixing device comprises a safety cover which is installed and connected on the needle tube fixing cap, the inner side wall of the safety cover is clung to the outer side wall of the needle tube fixing cap, the elastic force of the pressure spring is smaller than the friction force between the safety cover and the needle tube fixing cap, and the safety cover is fixedly connected with a pull rope.

Preferably, the needle tube is positioned at the center of the conical tube, the diameter of the needle tube is matched with the inner diameter of the needle tube fixing cap, rectangular cavities are arranged on the needle tube and are distributed on the needle tube at equal intervals, and the end part of the needle tube abuts against the inner wall of the safety cap.

Preferably, the external diameter of the fixed sleeve is matched with the internal diameter of the sampling test tube, and the fixed sleeve is made of elastic rubber.

Preferably, the surface of the needle cylinder is provided with scale marks, the needle cylinder is provided with small holes, and the small holes are matched with the connecting pipes.

The beneficial effects of the utility model are as follows:

through the cooperation use between fixed sleeve, toper section of thick bamboo and the needle tubing, when carrying out the deblocking sample to the sample test tube, outside air can not enter into the test tube inside, has guaranteed the living environment of sperm, and in addition, the needle tubing sets up in toper section of thick bamboo center, need not worry to touch the test tube lateral wall when taking a sample to the sample, has avoided producing physical compression or collision damage to the sperm and has led to the condition that sperm vigor or quantity decline to appear;

through the cooperation of the safety cover, the pull rope, the telescopic device and the rectangular cavity, the needle tube can be stored in a sealing way, meanwhile, the situation that hands can be pricked by the needle tube is not worry during unpacking, and the needle tube is more environment-friendly and safer; the arrangement of the rectangular cavity enables the needle tube to sample samples in the test tube in multiple layers, sample data tend to be more average, the situation that multiple times of sampling is needed is avoided, the working efficiency is improved, and the working period is shortened.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of a sampling needle device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the internal structure of a fixing sleeve of a sampling needle device according to an embodiment of the present utility model;

FIG. 3 is a schematic view of the internal structure of a telescopic device of a sampling needle device according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a needle tube and a fixing device of a sampling needle device according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of a sampling tube and a sampling needle structure of a sampling needle device according to an embodiment of the present utility model.

In the figure: 1. a needle cylinder; 2. an air bag; 3. a connecting pipe; 4. a fixed sleeve; 5. a safety cover; 6. a pull rope; 7. a hose; 8. a pressure spring; 9. a telescoping sleeve; 10. a telescopic rod; 11. a mounting plate; 12. a needle tube; 13. a conical cylinder; 14. a needle tube fixing cap; 15. a rectangular cavity; 16. sampling test tubes.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-3, a sampling needle device comprises a needle cylinder 1 and a connecting pipe 3 fixedly connected above the needle cylinder 1, wherein the end part of the connecting pipe 3 is in through connection with an air bag 2, the upper part of the needle cylinder 1 is fixedly connected with the connecting pipe 3, the end part of the connecting pipe 3 is in through connection with the air bag 2 and is used for sucking and releasing a sample, a fixed sleeve 4 is fixedly connected below the needle cylinder 1, a conical cylinder 13 is fixedly connected on the fixed sleeve 4, a needle tube fixed cap 14 is fixedly connected on the conical cylinder 13, a fixing device is installed on the needle tube fixed cap 14, a telescopic device and a hose 7 are arranged in the fixed sleeve 4, the telescopic device and the end part of the hose 7 are respectively connected with the fixed sleeve 4 and a mounting plate 11, a needle tube 12 is fixedly connected below the mounting plate 11 and is in through connection with the hose 7, and one end of the hose 7 far away from the mounting plate 11 is in through connection with the needle cylinder 1;

it should be noted that: the telescopic device comprises a telescopic sleeve 9 fixedly connected with the bottom of the fixed sleeve 4, a pressure spring 8 is fixedly connected inside the telescopic sleeve 9, the pressure spring 8 is in a compressed state at the moment, the end part of the pressure spring 8 is fixedly connected with a telescopic rod 10, the end part of the telescopic rod 10 is fixedly connected with a mounting plate 11, the outer diameter of the telescopic rod 10 is matched with the inner diameter of the telescopic sleeve 9, and the telescopic rod 10 is ensured to normally slide in a cavity of the telescopic sleeve 9;

referring to fig. 3-4, the fixing device comprises a safety cover 5 which is installed and connected with a needle tube fixing cap 14, the inner side wall of the safety cover 5 is tightly attached to the outer side wall of the needle tube fixing cap 14, the elastic force of a pressure spring 8 is smaller than the friction force between the safety cover 5 and the needle tube fixing cap 14, the needle tube 12 is guaranteed not to be automatically ejected, a pull rope 6 is fixedly connected to the safety cover 5 and used for disassembling the safety cover 5, the needle tube 12 is positioned at the center of a conical cylinder 13, the sampling position of the needle tube 12 is guaranteed, the diameter of the needle tube 12 is matched with the inner diameter of the needle tube fixing cap 14, the needle tube 12 is guaranteed to be normally ejected, a rectangular cavity 15 is arranged on the needle tube 12, the rectangular cavity 15 is distributed on the needle tube 12 at equal intervals, and can be used for carrying out multi-layer sampling on samples in a sampling test tube 16, and the condition that multiple sampling is needed to take an average value is avoided;

it should be noted that: the needle tube 12 tip offsets with the safety cover 5 inner wall, has guaranteed to fix needle tube 12 and telescoping device, and the external diameter of fixed sleeve 4 and the internal diameter adaptation of sample test tube 16 have guaranteed that outside air can not enter into sample test tube 16 also to have guaranteed that needle tube 12 can not touch sample test tube 16 lateral wall in the time of, and fixed sleeve 4 is elastic rubber material setting, and needle cylinder 1 surface is equipped with the scale mark, can in time observe sample quantity, is equipped with the aperture on the needle cylinder 1, aperture and connecting pipe 3 adaptation have guaranteed connectivity between needle cylinder 1 and the needle tube 12.

The working principle of the sampling needle device is as follows: the sampling needle is taken out of the plastic package bag, the pull rope 6 is pulled by hand, the inner side wall of the safety cover 5 is tightly attached to the outer side wall of the needle tube fixing cap 14, the safety cover 5 can be taken down from the needle tube fixing cap 14 while the pull rope 6 is pulled, the situation that the needle tube 12 is pricked to the hand is greatly reduced, the elastic force of the pressure spring 8 is smaller than the friction force between the safety cover 5 and the needle tube fixing cap 14, the needle tube 12 can not be automatically ejected, at the moment, under the elastic force of the pressure spring 8, the telescopic rod 10 can extend out of the telescopic sleeve 9, and then the needle tube 12 connected to the mounting plate 11 can be ejected out of the needle tube fixing cap 14, and the cooperation between the fixing sleeve 4 and the telescopic device is used, so that the occupied space of the device is greatly reduced, and the integrated design enables the packaging and operation of the device to be more convenient and more environment-friendly;

the sampling needle is placed inside the sampling test tube 16, the outer diameter of the fixed sleeve 4 is matched with the inner diameter of the sampling test tube 16, the fact that the outside air can not enter the sampling test tube 16 is guaranteed, meanwhile, the fact that the needle tube 12 can not touch the side wall of the sampling test tube 16 is guaranteed, when the fixed sleeve 4 is not completely abutted to the sampling test tube 16, the air bag 2 is pressed firstly, the inside of the needle tube 1 is in a negative pressure state, when the needle tube 12 is fully contacted with a sample in the sampling test tube 16, under the action of air pressure, the semen sample can be sucked into the hose 7 from the needle tube 12, then flows into the needle tube 1, the rectangular cavity 15 arranged on the needle tube 12 can be used for carrying out multilayer sampling on the sample in the sampling test tube 16 due to the fact that the semen sample in the sampling test tube 16 possibly appears in a layering mode, the fact that the rectangular cavity 15 distributed on the needle tube 12 at equal intervals can be used for carrying out multilayer sampling on the sample in the sampling test tube 16, the condition that the sample is required to be sampled for multiple times due to different layer concentration differences of the sample in single sampling is avoided, the sampling accuracy is increased, the device is taken out from the sampling test tube 16, the sample quality can be pushed into the measuring instrument through the needle tube 1 after the sampling is completed, and the sperm quality is further analyzed.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a sampling needle device, includes cylinder (1) and connecting pipe (3) of fixed connection in cylinder (1) top, connecting pipe (3) tip through connection has gasbag (2), a serial communication port, cylinder (1) below fixedly connected with fixed sleeve (4), fixedly connected with toper section of thick bamboo (13) on fixed sleeve (4), fixedly connected with needle tubing fixed cap (14) on toper section of thick bamboo (13), install and be connected with fixing device on needle tubing fixed cap (14), fixed sleeve (4) inside is equipped with telescoping device and hose (7), telescoping device and hose (7) tip are connected with fixed sleeve (4) and mounting panel (11) respectively, mounting panel (11) below fixedly connected with needle tubing (12), needle tubing (12) are through mounting panel (11) and hose (7) through connection, the one end that mounting panel (11) were kept away from to hose (7) is through connection with cylinder (1).

2. The sampling needle device according to claim 1, characterized in that the telescoping device comprises a telescoping sleeve (9) fixedly connected with the bottom of a fixed sleeve (4), a pressure spring (8) is fixedly connected inside the telescoping sleeve (9), a telescoping rod (10) is fixedly connected with the end part of the pressure spring (8), the end part of the telescoping rod (10) is fixedly connected with a mounting plate (11), and the outer diameter of the telescoping rod (10) is matched with the inner diameter of the telescoping sleeve (9).

3. A sampling needle device according to claim 2, characterized in that the fixing device comprises a safety cover (5) mounted and connected on a needle tube fixing cap (14), the inner side wall of the safety cover (5) is clung to the outer side wall of the needle tube fixing cap (14), the elastic force of the pressure spring (8) is smaller than the friction force between the safety cover (5) and the needle tube fixing cap (14), and a pull rope (6) is fixedly connected on the safety cover (5).

4. A sampling needle device according to claim 3, characterized in that the needle tube (12) is located at the center of the conical tube (13), the diameter of the needle tube (12) is adapted to the inner diameter of the needle tube fixing cap (14), rectangular cavities (15) are arranged on the needle tube (12), the rectangular cavities (15) are distributed on the needle tube (12) at equal intervals, and the end part of the needle tube (12) is propped against the inner wall of the safety cover (5).

5. A sampling needle device according to claim 1, characterized in that the outer diameter of the fixing sleeve (4) is adapted to the inner diameter of the sampling tube (16), the fixing sleeve (4) being of an elastic rubber material.

6. A sampling needle device according to claim 1, characterized in that the needle cylinder (1) is provided with graduation marks on its surface, the needle cylinder (1) is provided with small holes, which are adapted to the connecting tube (3).