Sample collection tube

Abstract

The utility model discloses a sample collecting tube, which comprises a tube part, a sample collecting tube, a sample collecting tube and a sample collecting tube, and is characterized in that the tube part comprises a tube body for placing a sample and an adaptive inner barrel arranged in the tube body; the cover body is arranged at the top of the pipe body, and an extrusion through hole is formed in the top of the cover body; the piston part comprises a piston cylinder and a piston body arranged in the piston cylinder; the discharging part comprises a one-way valve which is arranged at the bottom of the pipe body and is matched with the inner cylinder body; when the piston body moves downwards and the one-way valve moves upwards, the sample in the tube body is rapidly discharged. By designing the piston part and the discharge part, when a sample is discharged, an external rod body is used for abutting against the piston body to change the internal pressure intensity of the pipe body, meanwhile, an external vessel is used for abutting against the one-way valve to move upwards to release the blocking of the adaptive inner cylinder body, so that the rapid discharge of the sample is completed, and even if the sample belongs to a viscous sample, the sample can be discharged quickly. And rapid discharge can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sampling tube, specifically a sample collection tube. BACKGROUND

[0002] On-site collection of biological samples can provide valuable information for scientists, physicians, geneticists, epidemiologists or similar personnel.

[0003] For example, obtaining a fresh sample of a patient's blood, purulent secretion or sputum can help a physician or epidemiologist isolate or identify the pathogen of an infection.

[0004] And the sample is generally placed in the collection tube for transportation to the designated place for detection, and the sample needs to be discharged into the detection vessel or test tube during detection, and the existing sample collection tube does not pressurize the tube body where the sample is placed when discharging the sample, but only discharges the sample naturally;

[0005] When discharging naturally, the following problems exist:

[0006] 1. When the sample is relatively viscous, it cannot be discharged;

[0007] 2. The sample is discharged slowly. INVENTION CONTENT

[0008] The utility model discloses a sample collection tube to solve the above problems existing in the prior art.

[0009] Technical scheme: a sample collection tube, comprising:

[0010] A tube portion includes a tube body for placing a sample, and an adapter inner cylinder body arranged in the tube body;

[0011] A cover body is arranged at the top of the tube body, and a pressing through hole is formed in the top of the cover body;

[0012] A piston portion includes a piston cylinder and a piston body arranged in the piston cylinder;

[0013] An exhaust portion includes a one-way valve arranged at the bottom of the tube body and matched with the inner cylinder body;

[0014] When the piston body moves downward and the one-way valve moves upward, the sample in the tube body is quickly discharged.

[0015] The utility model discloses a piston portion and an exhaust portion, which can quickly discharge the sample by using an external rod body to resist the piston body and change the internal pressure of the tube body, and by using an external vessel to resist the upward movement of the one-way valve and release the blockage of the adapter inner cylinder body.

[0016] In a further embodiment, the pipe body top outside is provided with threads,

[0017] The cover body inside is provided with a threaded groove matched with the threads.

[0018] In a further embodiment, the piston cylinder comprises:

[0019] The cylinder body is arranged in the pipe body;

[0020] The limiting body is connected with the cylinder body and abuts against the pipe body top and is located between the cover body and the pipe body;

[0021] The piston body is arranged in the cylinder body and is matched with the cylinder body.

[0022] In a further embodiment, the pipe body is further provided with a filter cylinder, which is located below the cylinder body.

[0023] In a further embodiment, the pipe body is further provided with an adapter frame, which is arranged between the adapter inner cylinder and the filter cylinder.

[0024] In a further embodiment, the adapter frame is provided with a bayonet.

[0025] In a further embodiment, the one-way valve comprises a connecting buckle matched with the bayonet, a valve body connected with the connecting buckle and located in the adapter inner cylinder, and a force receiving part arranged at the bottom of the valve body and located outside the adapter inner cylinder.

[0026] In a further embodiment, the valve body is provided with a discharge port, and a discharge channel communicated with the discharge port and extending out of the valve body.

[0027] Beneficial effects: The utility model discloses a sample collection pipe, and the utility model discloses a piston part and a discharge part are designed, when samples are discharged, an external rod body is used to abut against the piston body, the internal pressure of the pipe body is changed, at the same time, an external vessel is used to abut against the one-way valve and move upward, the adapter inner cylinder is released from the block, and then the rapid discharge of samples is completed, even if the samples are viscous samples, the samples can also be rapidly discharged. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is the structure schematic diagram of the utility model.

[0029] Figure 2 It is the pipe body, adapter inner cylinder structure schematic diagram of the utility model.

[0030] Figure 3 It is the one-way valve structure schematic diagram of the utility model.

[0031] The reference signs are:

[0032] 232A, tube body; 232A1, inner tube body; 232B, cover body; 232C, piston body; 232D, piston cylinder; 232E, filter cylinder; 232F, adapter frame;

[0033] 232G, one-way valve; 232G1, discharge port; 232G2, valve body; 232G3, discharge channel; 232G4, force receiving portion; 232G5, connecting buckle. DETAILED DESCRIPTION

[0034] The present application relates to a sample collection tube, which is explained in detail below through a specific embodiment.

[0035] A sample collection tube, comprising:

[0036] A tube portion, comprising a tube body 232A for placing a sample, and an inner tube body 232A1 arranged in the tube body 232A;

[0037] The tube body 232A can be one-piece, or can be designed in a split type, as shown in the accompanying drawings. Figure 2

[0038] A cover body 232B arranged at the top of the tube body 232A, and a pressing through hole is formed at the top of the cover body 232B;

[0039] A piston portion, comprising a piston cylinder 232D, and a piston body 232C arranged in the piston cylinder 232D;

[0040] A discharge portion, comprising a one-way valve 232G arranged at the bottom of the tube body 232A and adapted to the inner tube body;

[0041] When the piston body 232C moves downward and the one-way valve 232G moves upward, the sample in the tube body 232A is quickly discharged.

[0042] The utility model discloses a piston portion and a discharge portion, when discharging the sample, by using an external rod body to resist the piston body 232C, the pressure in the tube body 232A is changed, and by using an external vessel to resist the upward movement of the one-way valve 232G, the blockage to the inner tube body 232A1 is released, and the quick discharge of the sample is completed, even if the sample is a viscous sample, it can also be quickly discharged.

[0043] The top outside of the tube body 232A is provided with a thread,

[0044] The inside of the cover body 232B is provided with a thread groove matched with the thread.

[0045] The piston cylinder 232D comprises:

[0046] A cylinder body arranged in the tube body 232A;​

[0047] A limiting body is connected with the barrel and abuts against the top of the tube 232A and is located between the cover 232B and the tube 232A;

[0048] The piston body 232C is arranged in the barrel and is adapted with the barrel.

[0049] The tube 232A is further provided with a filter cartridge 232E, which is located below the barrel.

[0050] The tube 232A is further provided with an adapter frame 232F, which is arranged between the adapter inner barrel 232A1 and the filter cartridge 232E.

[0051] The adapter frame 232F is provided with a bayonet.

[0052] The one-way valve 232G includes a connecting buckle 232G5 adapted with the bayonet, a valve body 232G2 connected with the connecting buckle 232G5 and located in the adapter inner barrel 232A1, and a stress receiving portion 232G4 arranged at the bottom of the valve body 232G2 and located outside the adapter inner barrel 232A1.

[0053] The valve body 232G2 is provided with a discharge port 232G1, and a discharge channel 232G3 extending to the outside of the valve body 232G2 and communicating with the discharge port 232G1.

[0054] Working principle:

[0055] The stress receiving portion 232G4 is abutted to drive the valve body 232G2 to rise, at this time the discharge port 232G1 is in contact with the sample stored in the tube 232A, the sample is filtered through the filter cartridge 232E, and is discharged through the discharge port 232G1 and the discharge channel 232G3;

[0056] This process can be completed by a container, and the sample is discharged into the container by abutting the stress receiving portion 232G4 with the container.

[0057] When the sample is discharged, an external rod body is extended into the piston barrel 232D through the extrusion through hole, and drives the piston body 232C to descend in the piston barrel 232D, so as to accelerate the discharge speed of the sample.

[0058] This process can be completed by an external rod body, which drives the movement of the piston body 232C to change the pressure in the tube 232A, so that the sample can be quickly discharged, even if the sample is viscous.

[0059] The preferred specific embodiment of the utility model is described in detail above in combination with the drawings, however, the utility model is not limited to the specific details in the above specific embodiment, within the technical concept scope of the utility model, the technical scheme of the utility model can be carried out in multiple equivalent transformations, these equivalent transformations all belong to the protection scope of the utility model.

Claims

1. A sample collection tube, characterized by, The application relates to a sample discharging device. The device comprises a tube part, a cover part, a piston part and a discharging part. The tube part comprises a tube body (232A) for placing a sample and an adapter inner cylinder body (232A1) arranged in the tube body (232A). The cover part (232B) is arranged on the top of the tube body (232A) and is provided with a pressing through hole on the top. The piston part comprises a piston cylinder (232D) and a piston body (232C) arranged in the piston cylinder (232D). The discharging part comprises a one-way valve (232G) arranged at the bottom of the tube body (232A) and matched with the inner cylinder body.

2. The sample collection tube of claim 1, wherein: When the piston body (232C) moves downward and the one-way valve (232G) moves upward, the sample in the tube body (232A) is rapidly discharged. The top of the tube body (232A) is provided with a thread outside, 3. The sample collection tube of claim 1, wherein: The cover part (232B) is provided with a thread groove inside matched with the thread. The piston cylinder (232D) comprises a cylinder body arranged in the tube body (232A), a limiting body connected with the cylinder body and abutting against the top of the tube body (232A) and located between the cover part (232B) and the tube body (232A), and the piston body (232C) arranged in the cylinder body and matched with the cylinder body. The tube body (232A) is further provided with a filter cylinder (232E) located below the cylinder body. The tube body (232A) is further provided with an adapter frame (232F) arranged between the adapter inner cylinder body (232A1) and the filter cylinder (232E).

4. The sample collection tube of claim 1, wherein: The adapter frame (232F) is provided with a bayonet.

5. The sample collection tube of claim 1, wherein: The one-way valve (232G) comprises a connecting buckle (232G5) matched with the bayonet, a valve body (232G2) connected with the connecting buckle (232G5) and located in the adapter inner cylinder body (232A1), and a stress part (232G4) arranged at the bottom of the valve body (232G2) and located outside the adapter inner cylinder body (232A1).

6. A sample collection tube according to claim 5, wherein: The valve body (232G2) is provided with a discharge port (232G1) and a discharge channel (232G3) communicated with the discharge port (232G1) and extending to the outside of the valve body (232G2).

7. A sample collection tube according to claim 6, wherein: ​ 8. A sample collection tube according to claim 7, wherein: ​

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