Serum detection negative pressure vacuum tube

Abstract

The utility model discloses a serum detection negative pressure vacuum tube, which relates to the technical field of vacuum blood collection tubes and comprises a vacuum tube body, an extraction speed adjusting mechanism is arranged at the top of the vacuum tube body, an elastic clamping mechanism is arranged on the outer surface of the extraction speed adjusting mechanism, and the extraction speed adjusting mechanism comprises a sealing cover. The sealing cover is movably inserted into the top of the vacuum tube body, and the outer wall of the sealing cover is fixedly sleeved with a rubber ring. By means of the design of the adjusting shaft, a user can slide the adjusting shaft downwards on the inner wall of the rubber sleeve, the bottom of the rubber sheet is made to be attached to the top of the through hole, the top of the through hole is sealed, and the function of adjusting the blood collecting speed is achieved by sealing a proper number of through holes. The problem that part of patients feel uncomfortable due to the fact that the blood collection speed is too high is solved, the psychological pressure of the patients in the blood collection process is relieved, and the blood collection process is smoother.

Description

TECHNICAL FIELD

[0001] The utility model relates to a vacuum blood collection tube technical field, concretely relates to a serum detection negative pressure vacuum tube. BACKGROUND

[0002] Serum detection is a medical detection method that assesses the patient's physical condition by collecting blood samples, separating serum and performing laboratory analysis. Negative pressure blood collection tube is a tube designed specifically for collecting whole blood or serum specimens. It uses negative pressure principle to automatically draw blood into the tube. The tube contains a certain amount of separation gel and anticoagulant, which can realize blood collection, mixing and preservation. Its advantage is that it can reduce the risk of air pollution, and the addition of separation gel and anticoagulant can prevent blood samples from coagulating during transportation, making it easy to separate blood components in the laboratory. Negative pressure blood collection tube is usually used with intravenous blood collection needle to form a disposable quantitative blood collection system.

[0003] The existing negative pressure vacuum tube does not have the function of adjusting the speed of blood collection. The tube diameter of the blood collection needle is fixed, so the speed of blood collection is limited. Some patients cannot adapt to the blood collection speed, which can easily cause discomfort during blood collection. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a serum detection negative pressure vacuum tube to solve the problems raised in the above background technology.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A serum detection negative pressure vacuum tube, comprising a vacuum tube body, a draw speed adjusting mechanism is arranged on the top of the vacuum tube body, and an elastic clamping mechanism is arranged on the outer surface of the draw speed adjusting mechanism.

[0007] The draw speed adjusting mechanism comprises a sealing cover, the sealing cover is movably inserted into the top of the vacuum tube body, a rubber ring is fixedly sleeved on the outer wall of the sealing cover, the outer wall of the rubber ring is movably connected with the inner wall of the vacuum tube body, a through hole is formed in the top of the sealing cover, a control bin is fixedly connected to the top of the sealing cover, a valve is fixedly connected to the top of the control bin, and a pipe opening is fixedly connected to the top of the valve.

[0008] Preferably, an annular protruding seat is fixedly installed on the top of the control bin, a rubber sleeve is fixedly connected to the inner wall of the annular protruding seat, and an adjusting shaft is movably connected to the inner wall of the rubber sleeve.

[0009] Preferably, the bottom of the adjusting shaft extends into the inner cavity of the control bin and is fixedly connected with a rubber sheet, the top of the control bin is fixedly installed with an arc-shaped plastic clamping piece, and the end of the arc-shaped plastic clamping piece is movably connected with the outer wall of the adjusting shaft.

[0010] Preferably, the elastic clamping mechanism comprises two protruding blocks, and the two protruding blocks are fixedly connected to the outer wall of the sealing cover.

[0011] Preferably, the bottom of the protruding block is fixedly connected with an alloy vertical plate, and the outer wall of the alloy vertical plate is fixedly connected with a pull handle.

[0012] Preferably, the alloy vertical plate is fixedly connected with an alloy frame close to one side of the vacuum tube body, the alloy frame is fixedly connected with a rubber fitting block away from the alloy vertical plate, and the inner wall of the rubber fitting block is movably connected with the outer wall of the vacuum tube body.

[0013] Thanks to the above technical scheme, the present application has the following technical progress compared with the prior art:

[0014] The serum detection negative pressure vacuum tube is provided, so as to solve the problem that the blood collection speed of the existing blood collection tube is fixed and some patients are prone to discomfort. Through the design of the adjusting shaft, the user can slide the rubber sleeve downward on the inner wall of the rubber sleeve, so as to make the bottom of the rubber sheet adhere to the top of the through hole and close the top of the through hole. By closing a proper number of through holes, the function of adjusting the blood collection speed is realized, the problem that the blood collection speed is too fast and some patients are prone to discomfort is avoided, the psychological pressure of the patient in the blood collection process is reduced, and the blood collection process is smoother. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the present application;

[0016] Figure 2 It is a sectional structure schematic view of the vacuum tube body of the present application;

[0017] Figure 3 It is a sectional structure schematic view of the control bin of the present application;

[0018] Figure 4 It is Figure 3 It is an enlarged structure schematic view of position A in the present application;

[0019] Figure 5 It is a structure schematic view of the elastic clamping mechanism of the present application.

[0020] In the figure: 1, vacuum tube body; 2, extraction speed adjusting mechanism; 21, sealing cover; 22, rubber ring; 23, through hole; 24, control bin; 25, annular protruding seat; 251, rubber sleeve; 252, adjusting shaft; 253, rubber sheet; 254, arc-shaped plastic clamping piece; 26, valve; 27, pipe opening; 3, elastic clamping mechanism; 31, protruding block; 32, alloy vertical plate; 33, pull handle; 34, alloy frame; 35, rubber fitting block. DETAILED DESCRIPTION

[0021] The utility model will be further explained in detail in connection with the embodiments as follows:

[0022] As Figures 1-5 shown, the utility model provides a serum detection negative pressure vacuum tube, including vacuum tube body 1, the top of vacuum tube body 1 is provided with extraction speed adjusting mechanism 2, the outer surface on extraction speed adjusting mechanism 2 is provided with elastic clamping mechanism 3, and extraction speed adjusting mechanism 2 includes sealing cover 21, and sealing cover 21 is movably inserted in the top of vacuum tube body 1, and sealing cover 21 is fixedly sleeved with rubber ring 22 on the outer wall, and the outer wall of rubber ring 22 is movably connected with the inner wall of vacuum tube body 1, and the top of sealing cover 21 is equipped with through hole 23, and the top of sealing cover 21 is fixedly connected with control bin 24, and the top of control bin 24 is fixedly connected with valve 26, and the top of valve 26 is fixedly connected with pipe opening 27, sealing cover 21 is inserted in the top of vacuum tube body 1, through the design of rubber ring 22, the connecting place of sealing cover 21 and vacuum tube body 1 can be sealed, in the production process, after opening valve 26, the inner cavity of vacuum tube body 1 can be extracted as vacuum state from pipe opening 27, when using, blood extraction needle is connected at pipe opening 27, then valve 26 is opened, blood can be extracted to the inner cavity of vacuum tube body 1 in the negative pressure of vacuum tube body 1.

[0023] Further, as Figure 3 , Figure 4As shown, the top of the control bin 24 is fixedly installed with an annular protruding seat 25, the inner wall of the annular protruding seat 25 is fixedly connected with a rubber sleeve 251, the inner wall of the rubber sleeve 251 is movably connected with an adjusting shaft 252, the bottom of the adjusting shaft 252 extends into the inner cavity of the control bin 24 and is fixedly connected with a rubber sheet 253, the top of the control bin 24 is fixedly installed with an arc-shaped plastic clamping piece 254, the end of the arc-shaped plastic clamping piece 254 is movably connected with the outer wall of the adjusting shaft 252, the material of the arc-shaped plastic clamping piece 254 is elastic plastic, through the elasticity of the arc-shaped plastic clamping piece 254, the end thereof can be tightly attached to the outer wall of the adjusting shaft 252, the height of the adjusting shaft 252 is locked, the arc-shaped plastic clamping piece 254 is poked to make the end thereof away from the adjusting shaft 252, then the adjusting shaft 252 can slide downward on the inner wall of the rubber sleeve 251, the bottom of the rubber sheet 253 is attached to the top of the through hole 23 to close the top of the through hole 23, by closing a proper number of through holes 23, the function of adjusting the blood collection speed is realized, through the design of the rubber sleeve 251, the connection between the adjusting shaft 252 and the annular protruding seat 25 can be sealed.

[0024] Further, as shown in Figure 2 、 Figure 5 , the elastic clamping mechanism 3 comprises protruding blocks 31, the number of the protruding blocks 31 is two, both of the protruding blocks 31 are fixedly connected with the outer wall of the sealing cover 21, the bottom of the protruding block 31 is fixedly connected with an alloy vertical plate 32, the outer wall of the alloy vertical plate 32 is fixedly connected with a pull handle 33, the side of the alloy vertical plate 32 close to the vacuum tube body 1 is fixedly connected with an alloy frame 34, the side of the alloy frame 34 away from the alloy vertical plate 32 is fixedly connected with a rubber fitting block 35, the inner wall of the rubber fitting block 35 is movably connected with the outer wall of the vacuum tube body 1, the material of the alloy frame 34 is elastic alloy, through the elasticity of the alloy frame 34, the rubber fitting block 35 can be tightly attached to the outer wall of the vacuum tube body 1, thereby the sealing cover 21 can be stably connected with the vacuum tube body 1, the material of the alloy vertical plate 32 is also elastic alloy, the alloy vertical plate 32 can be pulled away from the vacuum tube body 1 from the pull handle 33, the rubber fitting block 35 is detached from the vacuum tube body 1, thereby the sealing cover 21 can be pulled out from the top of the vacuum tube body 1, through the design, the convenience of taking the sample in the vacuum tube body 1 by detaching the sealing cover 21 is improved.

[0025] Now the working principle of the serum detection negative pressure vacuum tube will be described in detail.

[0026] As shown in Figures 1-5As shown, in use, the blood extraction needle is inserted at the tube opening 27, the needle end of the blood extraction needle is arranged at the blood collection position, then the valve 26 is opened, and the blood can be extracted into the inner cavity of the vacuum tube body 1 through the negative pressure inside the vacuum tube body 1, before blood extraction, the arc-shaped plastic clamping piece 254 is pushed to make the end thereof away from the adjusting shaft 252, then the adjusting shaft 252 can slide downward on the inner wall of the rubber sleeve 251, the rubber sheet 253 is used to close the top of the through hole 23, and the blood collection speed is adjusted by closing a proper number of through holes 23, if the sealed cover 21 is detached to take the sample inside the vacuum tube body 1, the alloy vertical plate 32 can be pulled away from the vacuum tube body 1 from the pull handle 33, then the sealed cover 21 is pulled out from the top of the vacuum tube body 1.

[0027] It should be noted that in the description of the present disclosure, it is necessary to explain that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances.

[0028] The above has made a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A negative pressure vacuum tube for serum detection, characterized in that: It includes a vacuum tube body, and the top of the vacuum tube body is provided with a extraction speed adjustment mechanism, and the outer surface of the extraction speed adjustment mechanism is provided with a spring clamping mechanism. The extraction speed adjustment mechanism includes a sealing cover, which is movably inserted into the top of the vacuum tube body. A rubber ring is fixedly sleeved on the outer wall of the sealing cover, and the outer wall of the rubber ring is movably connected to the inner wall of the vacuum tube body. A through hole is opened on the top of the sealing cover, and a control chamber is fixedly connected to the top of the sealing cover. A valve is fixedly connected to the top of the control chamber, and a pipe opening is fixedly connected to the top of the valve.

2. The serum detection negative pressure vacuum tube according to claim 1, characterized in that: An annular protrusion is fixedly installed on the top of the control compartment. A rubber sleeve is fixedly connected to the inner wall of the annular protrusion, and an adjusting shaft is movably connected to the inner wall of the rubber sleeve.

3. The serum detection negative pressure vacuum tube according to claim 2, characterized in that: The bottom of the adjusting shaft extends into the inner cavity of the control chamber and is fixedly connected to a rubber sheet. An arc-shaped plastic clip is fixedly installed on the top of the control chamber, and the end of the arc-shaped plastic clip is movably connected to the outer wall of the adjusting shaft.

4. The serum detection negative pressure vacuum tube according to claim 1, characterized in that: The elastic clamping mechanism includes two protrusions, both of which are fixedly connected to the outer wall of the sealing cover.

5. A negative pressure vacuum tube for serum detection according to claim 4, characterized in that: An alloy vertical plate is fixedly connected to the bottom of the protrusion, and a pull handle is fixedly connected to the outer wall of the alloy vertical plate.

6. A negative pressure vacuum tube for serum detection according to claim 5, characterized in that: An alloy frame is fixedly connected to the side of the alloy vertical plate closest to the vacuum tube body, and a rubber fitting block is fixedly connected to the side of the alloy frame away from the alloy vertical plate. The inner wall of the rubber fitting block is movably connected to the outer wall of the vacuum tube body.

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