Test tube for long-term storage of blood samples

Abstract

The invention provides a test tube for long-term storage of blood samples. The test tube comprises an inner tube, an outer tube and a tube cap, the inner pipe and the outer pipe are concentric, and a heat-conducting medium is filled between the inner pipe and the outer pipe; and the pipe cap seals the outer pipe and the inner pipe. The blood sample storage tube has the advantages that the double-layer tube is combined with the heat-conducting medium, the influence of sudden change of external environment temperature on blood samples can be effectively weakened, when the blood samples are stored, the blood sample storage tube has good temperature uniformity, and the situation that the temperature of a tube opening and the temperature of a tube body are different is avoided.

Description

Technical Field

[0001] The present invention relates to the field of blood sample storage, and in particular to a test tube for long-term storage of blood samples. Background Art

[0002] The preservation of blood specimens is closely related to the test results. Preservation principles: Guided by the accuracy of the test results. Preservation conditions: Different storage temperatures need to be selected based on the type of specimen and the preservation time.

[0003] The blood sample storage tubes currently used in the market are all ordinary test tubes, which are then placed in a preservation box and the temperature of the preservation box is adjusted according to the required storage temperature of the sample.

[0004] However, in actual operation, due to factors such as uneven heating, untimely sample preservation, sudden changes in the external environment, etc., blood samples are often improperly preserved during storage, cannot be used for testing, or the accuracy of the test is greatly reduced. Summary of the Invention

[0005] In order to solve the above technical problems, the present invention discloses a test tube for long-term storage of blood samples. The technical solution of the present invention is implemented as follows:

[0006] A test tube for long-term storage of blood samples comprises an inner tube, an outer tube and a tube cap; the inner tube and the outer tube are concentric, a heat-conducting medium is filled between the inner tube and the outer tube; the tube cap seals the outer tube and the inner tube.

[0007] Preferably, it further comprises an elastic fixing ring; the elastic fixing ring is fixed to the middle portion of the inner wall of the outer tube.

[0008] Preferably, it also includes a flexible bearing; the flexible bearing is arranged at the bottom of the inner wall of the outer tube.

[0009] Preferably, the pipe cap and the outer pipe are threadedly connected.

[0010] Preferably, the outer wall of the tube cap is provided with anti-slip grooves.

[0011] Preferably, a sealing ring is provided on the inner wall of the tube cap.

[0012] Preferably, a sealing ring is provided on the inner wall of the tube cap.

[0013] The present invention can effectively reduce the impact of sudden changes in external environmental temperature on blood samples by combining a double-layer tube with a heat-conducting medium. When storing blood samples, there will be no temperature differences between the tube mouth and the tube body. It has good temperature uniformity and can store blood samples for a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only one embodiment of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Identical components are denoted by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to directions in the accompanying drawings, and the terms "bottom," "top," "inner," and "outer" refer to directions toward or away from the geometric center of a particular component, respectively.

[0016] Figure 1 Schematic diagram of the structure of an embodiment of a test tube for long-term storage of blood samples;

[0017] Figure 2 is a cross-sectional view of a test tube embodiment for long-term storage of blood samples;

[0018] Figure 3 It is a structural schematic diagram of an embodiment of an elastic fixing ring.

[0019] In the above drawings, the figure numbers represent:

[0020] 1. Inner tube;

[0021] 2. External tube;

[0022] 3. Pipe cap;

[0023] 4. Elastic fixing ring;

[0024] 5. Flexible bearing;

[0025] 6. Sealing ring;

[0026] 7. Anti-slip texture. DETAILED DESCRIPTION

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0028] Example

[0029] In a specific embodiment, Figure 1-Figure 3As shown, a test tube for long-term storage of blood samples includes an inner tube 1, an outer tube 2, a cap 3, an elastic fixing ring 4, and a flexible support 5. The inner tube 1 and outer tube 2 are concentric, and a heat-conducting medium is filled between the inner tube 1 and the outer tube 2. The cap 3 seals the outer tube 2 and the inner tube 1, and the elastic fixing ring 4 is fixed to the middle of the inner wall of the outer tube 2. The flexible support 5 is provided at the bottom of the inner wall of the outer tube 2. The cap 3 and the outer tube 2 are threadedly connected, and anti-slip grooves 7 are provided on the outer wall of the cap 3. A sealing ring 6 is provided on the inner wall of the cap 3.

[0030] In this embodiment, the heat conducting medium is water, which serves to exchange heat between the inner tube 1 and the outer tube 2 and to create a temperature buffer zone to prevent the blood sample in the inner tube 1 from being damaged by sudden temperature changes.

[0031] The elastic retaining ring 4 serves to assist in securing the inner tube 1 and to provide shock absorption, preventing the inner tube 1 from rupturing due to vibration. The elastic retaining ring 4 is made of rubber and has through-holes therein. These holes allow for the flow of heat transfer medium.

[0032] The functions of the flexible bearing 5 are, first, shock absorption and, second, a softer way of defining the bottom of the inner tube 1. The flexible bearing 5 is made of a soft foam material.

[0033] The anti-skid pattern 7 is used to increase the friction of the outer wall of the tube cap 3, making it easier for the staff to screw or take it. The sealing ring 6 is used to improve the sealing effect of the test tube.

[0034] It should be pointed out that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A test tube for long-term storage of blood samples, characterized in that: It comprises an inner tube, an outer tube and a tube cap; the inner tube and the outer tube are concentric, a heat-conducting medium is filled between the inner tube and the outer tube; the tube cap seals the outer tube and the inner tube.

2. A test tube for long-term storage of blood samples according to claim 1, characterized in that: It also includes an elastic fixing ring; the elastic fixing ring is fixed to the middle part of the inner wall of the outer tube.

3. A test tube for long-term storage of blood samples according to claim 2, characterized in that: It also includes a flexible bearing; the flexible bearing is arranged at the bottom of the inner wall of the outer tube.

4. A test tube for long-term storage of blood samples according to claim 1, characterized in that: The pipe cap is threadedly connected to the outer pipe.

5. A test tube for long-term storage of blood samples according to claim 4, characterized in that: According to the pipe cap, the outer wall is provided with anti-slip grooves.

6. A test tube for long-term storage of blood samples according to claim 4, characterized in that: The inner wall of the pipe cap is provided with a sealing ring.

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