CN219475066U

CN219475066U - Sampling device for target drug detection

Info

Publication number: CN219475066U
Application number: CN202320223073.1U
Authority: CN
Inventors: 夏献民; 李夏; 孙项
Original assignee: Wuhan Yi Bio Technology Co ltd
Current assignee: Wuhan Yi Bio Technology Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-08-04
Anticipated expiration: 2033-02-15

Abstract

The utility model discloses a sampling device for detecting targeted drugs, which belongs to the technical field of drug sampling and comprises a sampling tube, wherein the bottom end of the sampling tube is fixedly connected with a liquid suction head, a first one-way valve is arranged in the liquid suction head, a piston block is connected in the sampling tube in a sliding manner, the top of the piston block is fixedly connected with a pull rod, and the top end of the pull rod penetrates through and is connected to the top of the sampling tube in a sliding manner. According to the utility model, the sampling tube is used as the main body of the sampling device, the collecting tube is clamped onto the liquid guide assembly, the liquid suction head extends into the targeting liquid medicine vessel, the pull rod is pulled to pull the piston block to move upwards along the sampling tube, and the air at the top of the piston block is pushed into the elastic sealing sleeve, so that the device has the advantages of good dustproof effect, prevention of pollution of the targeting liquid medicine, integrated operation of extraction and transfer of the targeting liquid medicine, and reduction of exposure of the medicine.

Description

Sampling device for target drug detection

Technical Field

The utility model relates to the technical field of drug sampling, in particular to a sampling device for targeted drug detection.

Background

The targeting drug is a drug or a preparation thereof endowed with targeting capability, and aims to aim the drug or a carrier thereof at a specific lesion site and accumulate or release active ingredients at the target site, and the research and development of the targeting drug are completed, so that sampling detection is needed to ensure the safety and the effectiveness, and the currently used sampling device has the following defects;

1. the sampling device in the prior art has a simple structure, and after the target liquid medicine is directly extracted, the external dust is easily brought into the sampling device by the drawing mechanism, so that the target liquid medicine can be polluted.

2. The sampling mechanism in the prior art needs to firstly extract and then inject the targeting liquid medicine into the collecting test tube for storage, the operation steps are complex, and the exposure time of the targeting liquid medicine is overlong.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide a sampling device for detecting a target medicine, so as to solve the problems that after the target medicine is directly extracted in the prior art, external dust is easily brought into the sampling device by a drawing mechanism, the target medicine is polluted, the target medicine is required to be extracted first and then injected into a collecting test tube for storage, and the exposure time of the target medicine is overlong.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a sampling device for target medicine detects, includes the sampling pipe, the bottom fixedly connected with imbibition head of sampling pipe, the internally mounted of imbibition head has first check valve, the inside sliding connection of sampling pipe has the piston piece, the top fixedly connected with pull rod of piston piece, the top of pull rod runs through and sliding connection to the top of sampling pipe, the outside cover of pull rod is equipped with the elasticity seal cover, the top and the pull rod fixed connection of elasticity seal cover, the bottom and the sampling pipe fixed connection of elasticity seal cover, the drain subassembly is installed on the right side of sampling pipe.

As a further description of the above technical solution: the liquid guide assembly comprises a second one-way valve, a hose and a clamping connector, wherein the second one-way valve is arranged on the right side of the sampling tube, the right end of the second one-way valve is fixedly connected with the hose, and the other end of the hose is fixedly connected with the clamping connector.

As a further description of the above technical solution: the inside fixedly connected with rubber snap ring of joint, the top fixedly connected with exhaust hole of joint, the top fixedly connected with dust cover of exhaust hole.

As a further description of the above technical solution: and a graduated scale is etched on the outer side of the sampling tube.

As a further description of the above technical solution: the right side of piston piece has seted up the opening, the opening sets up with the left end of second check valve relatively.

As a further description of the above technical solution: the top of sampling pipe is fixed to be seted up the through-hole, the top of through-hole communicates with the inside of elasticity seal cover.

Compared with the prior art, the utility model has the advantages that:

according to the technical scheme, the sampling tube is used as a sampling device main body, the collecting tube is clamped onto the liquid guide assembly, the liquid suction head extends into the targeted liquid medicine vessel, the pull rod is pulled to pull the piston block to move upwards along the sampling tube, air at the top of the piston block is pushed to the inside of the elastic sealing sleeve, negative pressure is generated in the space at the bottom of the piston block, targeted liquid medicine is sucked into the inside of the sampling tube through the first one-way valve, after a sufficient amount of liquid medicine is sucked, the pull rod is pushed to push the targeted liquid medicine reversely, at the moment, the first one-way valve is not communicated, the targeted liquid medicine is led out into the collecting tube through the liquid guide assembly, the integrated operation of sampling transfer of the targeted liquid medicine is realized, and sterile air is injected between the inside of the liquid medicine and the inside of the sampling tube through the elastic sealing sleeve, so that effective protection is realized.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic front perspective view of the present utility model;

fig. 3 is a schematic view of a partial front perspective structure of the present utility model.

The reference numerals in the figures illustrate:

1. a sampling tube; 2. a liquid suction head; 3. a first one-way valve; 4. a piston block; 41. a notch; 5. a pull rod; 6. an elastic sealing sleeve; 7. a liquid guiding component; 71. a second one-way valve; 72. a hose; 73. a clamping joint; 731. a rubber snap ring; 732. an exhaust hole; 733. a dust cover; 8. a graduated scale; 9. and a through hole.

Detailed Description

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;

referring to fig. 1-3, in the utility model, a sampling device for detecting a targeted drug comprises a sampling tube 1, wherein a liquid suction head 2 is fixedly connected to the bottom end of the sampling tube 1, a first one-way valve 3 is arranged in the liquid suction head 2, a piston block 4 is slidably connected to the inside of the sampling tube 1, a pull rod 5 is fixedly connected to the top of the piston block 4, the top end of the pull rod 5 penetrates through and is slidably connected to the top of the sampling tube 1, an elastic sealing sleeve 6 is sleeved on the outer side of the pull rod 5, the top of the elastic sealing sleeve 6 is fixedly connected with the pull rod 5, the bottom end of the elastic sealing sleeve 6 is fixedly connected with the sampling tube 1, and a liquid guide component 7 is arranged on the right side of the sampling tube 1.

According to the utility model, the sampling tube 1 is used as a sampling device main body, the collecting test tube is clamped onto the liquid guide assembly 7, the liquid suction head 2 is stretched into the target liquid medicine vessel, the pull rod 5 is pulled to pull the piston block 4 to move upwards along the sampling tube 1, air at the top of the piston block 4 is pushed into the elastic sealing sleeve 6, negative pressure is generated in the space at the bottom of the piston block 4, the target liquid medicine is sucked into the sampling tube 1 through the first one-way valve 3, after a sufficient amount of suction is carried out, the pull rod 5 is pushed to push the target liquid medicine, at the moment, the first one-way valve 3 is not passed, the target liquid medicine is led out into the collecting test tube through the liquid guide assembly 7, the integrated operation of sampling transfer target liquid medicine is realized, isolation protection to the pull rod 5 from external air is realized through the elastic sealing sleeve 6, sterile air is injected between the inside of the pull rod and the inside of the sampling tube 1, and effective protection is realized, so that the device has a good dustproof effect, pollution of the target liquid medicine is avoided, the integral operation of the extracting and the target liquid medicine is realized, the medicine is reduced, the medicine is exposed outside, the existing device is easy to be extracted, the problem that the target liquid medicine is required to be directly extracted after the sampling device is directly pulled, the target liquid medicine is polluted, and the target liquid medicine is stored, the inside the target liquid medicine is required to be extracted, and the target liquid medicine is stored, the dust is easily is stored, and the inside the target liquid medicine is polluted, and the inside the device is directly after the sampling device is subjected to be directly after the operation, and the target liquid medicine is subjected to the operation.

Please refer to fig. 1 and 2, wherein: the liquid guide assembly 7 comprises a second one-way valve 71, a hose 72 and a clamping connector 73, wherein the second one-way valve 71 is arranged on the right side of the sampling tube 1, the right end of the second one-way valve 71 is fixedly connected with the hose 72, and the other end of the hose 72 is fixedly connected with the clamping connector 73.

In the utility model, the piston block 4 is driven to squeeze the targeting liquid medicine by pushing the pull rod 5, the second one-way valve 71 is opened under pressure, and the targeting liquid medicine is injected into the collecting test tube in the clamping connector 73 through the hose 72, so that the contact between the targeting liquid medicine and air is reduced.

Please refer to fig. 1, wherein: the inside fixedly connected with rubber snap ring 731 of joint 73, the top fixedly connected with exhaust hole 732 of joint 73, the top fixedly connected with dust cover 733 of exhaust hole 732.

In the utility model, the connection between the clamping connector 73 and the collecting test tube is convenient and tight through the rubber clamping ring 731, and when the targeted medicine liquid enters through the exhaust hole 732, the air in the collecting test tube can be smoothly discharged, and the dust cover 733 prevents the external dust from entering.

Please refer to fig. 1, wherein: the outside of the sampling tube 1 is etched with a graduated scale 8.

In the utility model, the collection amount is conveniently observed through the graduated scale 8.

Please refer to fig. 1 and 3, wherein: the right side of the piston block 4 is provided with a notch 41, and the notch 41 is opposite to the left end of the second one-way valve 71.

In the utility model, the piston block 4 can completely squeeze out and transfer the targeted liquid medicine in the sampling tube 1 through the notch 41.

Please refer to fig. 1, wherein: through holes 9 are fixedly formed in the top of the sampling tube 1, and the top of the through holes 9 is communicated with the inside of the elastic sealing sleeve 6.

In the utility model, the air extruded by the piston block 4 is enabled to smoothly enter the elastic sealing sleeve 6 through the through hole 9, so that the device can smoothly extract the targeted medicine liquid.

Firstly, the rubber snap ring 731 makes the connection between the clamping joint 73 and the collecting test tube tight, then the liquid suction head 2 stretches into the target liquid medicine vessel, then the pull rod 5 is pulled to pull the piston block 4 to move upwards along the sampling tube 1, the air at the top of the piston block 4 is pushed into the elastic sealing sleeve 6, the space at the bottom of the piston block 4 generates negative pressure, the target liquid medicine is sucked into the sampling tube 1 through the first one-way valve 3, after a sufficient amount is sucked, the pull rod 5 is pushed reversely, at the moment, the first one-way valve 3 is not communicated, the second one-way valve 71 is opened under pressure, the target liquid medicine is injected into the collecting test tube in the clamping joint 73 through the hose 72, the contact between the target liquid medicine and the air is reduced, the integrated operation of sampling transfer of the target liquid medicine is realized, and realize realizing the isolated protection to pull rod 5 and outside air through elasticity seal cover 6, then pour into sterile air between its inside and the inside of sampling tube 1, realize effective protection, thereby it is effectual to have realized that the device possesses dustproof, avoid targeting liquid medicine pollution, and realize the integration operation with extraction and transfer targeting liquid medicine, reduce the medicine and expose outside advantage, sampling device structure is comparatively simple among the prior art has been solved, directly extract the targeting liquid medicine after, the pulling mechanism is easy to bring outside dust into inside the sampling device, can pollute the targeting liquid medicine, and need extract earlier then pour into the targeting liquid medicine into the inside storage of collecting test tube, the operation procedure is complicated, targeting liquid medicine exposure time overlength problem.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. The utility model provides a sampling device for targeted drug detection, includes sampling tube (1), its characterized in that: the utility model discloses a liquid collecting tube, including sampling pipe (1), bottom fixedly connected with imbibition head (2), the internally mounted of imbibition head (2) has first check valve (3), the inside sliding connection of sampling pipe (1) has piston block (4), the top fixedly connected with pull rod (5) of piston block (4), the top of pull rod (5) runs through and sliding connection to the top of sampling pipe (1), the outside cover of pull rod (5) is equipped with elasticity seal cover (6), the top and the pull rod (5) fixed connection of elasticity seal cover (6), the bottom and the sampling pipe (1) fixed connection of elasticity seal cover (6), drain subassembly (7) are installed on the right side of sampling pipe (1).

2. The sampling device for targeted drug detection of claim 1, wherein: the liquid guide assembly (7) comprises a second one-way valve (71), a hose (72) and a clamping connector (73), wherein the second one-way valve (71) is arranged on the right side of the sampling tube (1), the right end of the second one-way valve (71) is fixedly connected with the hose (72), and the other end of the hose (72) is fixedly connected with the clamping connector (73).

3. The sampling device for targeted drug detection of claim 2, wherein: the inner side of the clamping connector (73) is fixedly connected with a rubber clamping ring (731), the top of the clamping connector (73) is fixedly connected with an exhaust hole (732), and the top of the exhaust hole (732) is fixedly connected with a dust cover (733).

4. The sampling device for targeted drug detection of claim 1, wherein: the outside of sampling pipe (1) is etched and is had scale (8).

5. The sampling device for targeted drug detection of claim 2, wherein: the right side of the piston block (4) is provided with a notch (41), and the notch (41) is arranged opposite to the left end of the second one-way valve (71).

6. The sampling device for targeted drug detection of claim 1, wherein: the top of sampling pipe (1) is fixed to be seted up through-hole (9), the inside intercommunication of top and elasticity seal cover (6) of through-hole (9).