CN213606385U

CN213606385U - Blood collection tube capable of avoiding hemolysis

Info

Publication number: CN213606385U
Application number: CN202021221786.7U
Authority: CN
Inventors: 安家乐
Original assignee: Hunan Youniwosi Medical Technology Co ltd
Current assignee: Hunan Youniwosi Medical Technology Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-07-06
Anticipated expiration: 2030-06-28

Abstract

The utility model discloses an avoid hemolytic heparin tube, including test tube and block, the inside water conservancy diversion structure that is equipped with of test tube for lead blood to test tube inner wall department. When this scheme of use was gathered blood, blood flowed to the inner wall department of test tube along the water conservancy diversion structure, slowly flowed down along the inner wall of test tube, avoided the direct striking of erythrocyte to cause and broke, prevented that the sample from taking place the hemolysis.

Description

Blood collection tube capable of avoiding hemolysis

Technical Field

The utility model relates to a blood collection system, concretely relates to avoid hemolytic heparin tube.

Background

The blood collection tube is a new product for clinical examination and blood collection in recent years, and is a disposable negative pressure vacuum glass tube capable of realizing quantitative blood collection. Because of simple operation, cleanness, safety, accuracy and reliability, the utility model is widely applied in all hospitals. However, in the clinical use process, various problems sometimes occur, which affect the smooth collection of the specimen. For example: because the negative pressure of the blood collection tube is relatively large, the blood flows into the tube bottom quickly at the beginning of blood collection, and the red blood cells can be broken by mutual collision, so that the specimen is hemolyzed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an avoid hemolytic heparin tube can avoid taking place the hemolysis to a certain extent at the blood sampling in-process.

According to the utility model discloses an avoid hemolytic heparin tube of embodiment, including test tube and block, the inside water conservancy diversion structure that is equipped with of test tube for lead blood to test tube inner wall department.

According to the utility model discloses heparin tube has following technological effect at least: when this scheme of use was gathered blood, blood flowed to the inner wall department of test tube along the water conservancy diversion structure, slowly flowed down along the inner wall of test tube, avoided the direct striking of erythrocyte to cause and broke, prevented that the sample from taking place the hemolysis.

According to some embodiments of the utility model, the water conservancy diversion structure is provided with the guide plate, the guide plate slope sets up in the test tube.

According to some embodiments of the utility model, the test tube inner wall is equipped with and is located the guiding gutter of the spiral of guide plate below, the initiating terminal of guiding gutter with the end of guide plate is corresponding.

According to some embodiments of the invention, the deflector is an arc of concave shape.

According to some embodiments of the utility model, the minimum point of guide plate with reserve between the inner wall of test tube has the interval.

According to some embodiments of the utility model, the minimum point of guide plate with interval between the inner wall of test tube is 2mm ~ 3 mm.

According to some embodiments of the utility model, be equipped with the scale mark on the outer wall of test tube.

According to some embodiments of the utility model, be equipped with anti-skidding stripe on the outer wall of block.

According to some embodiments of the invention, the test tube with the water conservancy diversion structure integrated into one piece.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a blood collection tube of the present invention for preventing hemolysis;

FIG. 2 is a cross-sectional view of a blood collection tube of the present invention to avoid hemolysis;

FIG. 3 is a partial structural view of a blood collection tube of the present invention to avoid hemolysis;

reference numerals: test tube 101, block 102, guide plate 103, scale mark 104, anti-skidding stripe 105, gum cover 106, guiding gutter 107.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the utility model provides an avoid hemolytic heparin tube, including test tube 101 and block 102, the inside water conservancy diversion structure that is equipped with of test tube 101 for lead blood to test tube 101 inner wall department.

According to the utility model discloses heparin tube has following technological effect at least: when this scheme of use was gathered blood, blood flowed to the inner wall department of test tube 101 along the water conservancy diversion structure, and the inner wall of following test tube 101 is slowly flowed down, avoids the direct striking of erythrocyte to cause and breaks, prevents that the sample from taking place the hemolysis.

In some embodiments of the present invention, the flow guiding structure is provided with a flow guiding plate 103, and the flow guiding plate 103 is disposed in the test tube 101 in an inclined manner.

In some embodiments of the present invention, the inner wall of the test tube 101 is provided with a spiral diversion trench 107 located below the diversion plate 103, and the starting end of the diversion trench 107 corresponds to the end of the diversion plate 103. Blood flows into the diversion trench 107 from the tail end of the diversion plate 103 and flows down along the spiral direction of the diversion trench 107, so that the flowing path of the blood is further ensured to be attached to the inner wall of the test tube 101, and the direct impact of red blood cells is prevented.

In some embodiments of the present invention, the baffle 103 is an arc plate with a concave shape. As shown in fig. 2, generally, a rubber sleeve 106 is disposed in a cap 102 of a blood collection tube, when blood is collected, a blood collection needle punctures the rubber sleeve 106 to guide the blood into a test tube 101, an arc-shaped plate is disposed in the test tube 101, and the arc-shaped plate can prevent the blood from splashing when falling onto the arc-shaped plate, flowing along two sides of the arc-shaped plate, and finally flowing down along an inner wall of the test tube 101.

In some embodiments of the present invention, a space is reserved between the lowest point of the flow guide plate 103 and the inner wall of the test tube 101. The blood flows to the tail end of the guide plate 103 and then flows out from the space, flows down along the inner wall of the test tube 101 and is gathered in the test tube 101.

In some embodiments of the present invention, the distance between the lowest point of the guide plate 103 and the inner wall of the test tube 101 is 2mm to 3 mm. Blood has certain viscosity, and the interval is controlled, so that the blood can flow down along the inner wall of the test tube 101, and the blood is prevented from directly dripping from the tail end of the guide plate 103.

In some embodiments of the present invention, the outer wall of the test tube 101 is provided with scale lines 104. The operator can observe the blood sampling amount visually.

In some embodiments of the present invention, the outer wall of the cap 102 is provided with anti-slip stripes 105. Prevent to skid, be convenient for hold the heparin tube steadily.

In some embodiments of the present invention, the test tube 101 and the flow guiding structure are integrally formed.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A blood collection tube that avoids hemolysis, comprising: including test tube and block, the inside water conservancy diversion structure that is equipped with of test tube for lead blood extremely test tube inner wall department, the water conservancy diversion structure is provided with the guide plate, the guide plate slope sets up in the test tube, the guide plate is the arc of concavity down.

2. A blood collection tube for preventing hemolysis according to claim 1, wherein: the inner wall of the test tube is provided with a spiral guide groove positioned below the guide plate, and the starting end of the guide groove corresponds to the tail end of the guide plate.

3. A blood collection tube for preventing hemolysis according to claim 1, wherein: and a distance is reserved between the lowest point of the guide plate and the inner wall of the test tube.

4. A blood collection tube for preventing hemolysis according to claim 3, wherein: the distance between the lowest point of the guide plate and the inner wall of the test tube is 2 mm-3 mm.

5. A blood collection tube for preventing hemolysis according to claim 1, wherein: and scale marks are arranged on the outer wall of the test tube.

6. A blood collection tube for preventing hemolysis according to claim 1, wherein: and anti-skid stripes are arranged on the outer wall of the cap.

7. A blood collection tube for preventing hemolysis according to claim 1, wherein: the test tube with water conservancy diversion structure integrated into one piece.