CN211094145U

CN211094145U - Plasma vacuum blood collection tube

Info

Publication number: CN211094145U
Application number: CN201921448409.4U
Authority: CN
Inventors: 潘定和; 潘定辉
Original assignee: Shanghai Aoxiang Medical Technology Co ltd
Current assignee: Shanghai Aoxiang Medical Technology Co ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-07-28
Anticipated expiration: 2029-09-03

Abstract

The utility model relates to a medical instrument technical field especially relates to a blood sampling tube. The plasma vacuum blood collection tube comprises a blood collection tube main body, wherein the blood collection tube main body comprises a test tube, a rubber plug fixedly connected with the upper end of the test tube and a head cover arranged outside the rubber plug, and an anticoagulant layer is attached to the inner wall of the test tube; be equipped with the tube socket in the bottom of test tube, dig on the tube socket and be equipped with the chamber that holds the test tube bottom, hold the chamber top and open, the bottom of test tube is arranged in on the tube socket. Due to the adoption of the technical scheme, the utility model relates to a when vacuum acquisition pipe is used for providing the plasma sample, blood is difficult to solidify, and the blood sampling in-process, has and places the convenience, functions such as portable or transportation.

Description

Plasma vacuum blood collection tube

Technical Field

The utility model relates to a medical instrument technical field especially relates to a blood sampling tube.

Background

The vacuum blood collection tube is a disposable negative pressure vacuum tube capable of realizing quantitative blood collection and needs to be matched with a venous blood collection needle for use. The vacuum blood collection tube comprises a head cover and a test tube, the principle is that the blood collection tube test tube with the head cover is pre-pumped into different vacuum degrees, venous blood is automatically and quantitatively collected by utilizing the negative pressure of the test tube, and one end of a blood collection needle is inserted into a vein of a human body and then the other end of the blood collection needle is inserted into a rubber plug of the vacuum blood collection tube. Human venous blood is inside the vacuum test tube, under the effect of negative pressure, through blood taking needle suction blood specimen container, under a venipuncture, can realize that multitube gathers and does not take place to leak.

However, the existing vacuum blood collection tube is usually a round tube, and cannot be directly placed on a table top, a blood tube frame is needed for placing the blood collection tube, and the vacuum blood collection tube is not safe enough under the carrying or transportation condition, and has no protection means such as damping and buffering.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plasma class vacuum test tube to solve above-mentioned technical problem.

The utility model provides a technical problem can adopt following technical scheme to realize:

the plasma vacuum blood collection tube comprises a blood collection tube main body, wherein the blood collection tube main body comprises a test tube, a rubber plug fixedly connected with the upper end of the test tube and a head cover arranged outside the rubber plug, and an anticoagulant layer is attached to the inner wall of the test tube;

the bottom of test tube is equipped with the tube socket, dig on the tube socket and be equipped with and hold the chamber that holds of test tube bottom, it is open to hold the chamber top, the bottom of test tube is arranged in on the tube socket.

The utility model is used for plasma class is gathered, because plasma gets rid of the cell in by the unset blood and obtains, consequently the utility model discloses evenly be equipped with one deck anticoagulant layer on the whole inner wall of test tube, cause the blood in the test tube under the effect of anticoagulant, can effectively prevent blood coagulation. In addition, in order to make the heparin tube main part can be convenient and stable place in the desktop, the utility model discloses add the tube socket, and the mode that adopts test tube and tube socket joint is fixed, when needs place the desktop with the heparin tube main part, adopts the tube socket to place, when need not to place, can get rid of the tube socket, the utility model provides a multiple choice mode of placing of user.

Be equipped with at least round buffering ring on the test tube outer wall, the elastic buffer ring that the buffering ring was made for adopting elastic material, the buffering ring with the connection can be dismantled to the test tube outer wall. In order to avoid the damage of heparin tube main part in carrying or the transportation, the utility model discloses the cover is equipped with round buffering ring on the test tube outer wall, plays the cushioning effect, and buffering ring is preferred to be set up keeping away from heparin tube label department, and the thickness of buffering ring can be according to the transportation degree of difficulty setting, and the width of buffering ring can possess the condition setting of outer wall according to the label. Under the condition that the buffer ring is not needed, the buffer ring can be detached from the outer wall of the test tube.

The buffering ring is three, three the buffering ring is from last down evenly set up on the test tube outer wall. Under the prerequisite that plays the buffering effect of buffering ring, in order to avoid sheltering from the test tube, the mode that the buffering ring adopted one section distance in interval to set up.

A circle of groove is arranged on the inner wall of the accommodating cavity of the tube seat, and the depth of the groove is greater than the thickness of the buffer ring;

when the bottom of test tube was arranged in on the tube socket, the test tube outer wall is the bottom the buffering ring with hold the intracavity the recess joint is fixed.

The tube seat can be of a cuboid structure, the accommodating cavity is located at the upper part of the tube seat, and the accommodating cavity is opened at the top of the tube seat.

The tube seat can also be a quadrangular structure, the width and the length of the tube seat are gradually increased from top to bottom, the accommodating cavity is positioned on the narrower upper part of the tube seat, and the accommodating cavity is opened at the top of the tube seat. So as to be more stably placed on the table top.

The anticoagulant layer can adopt a sodium salt or lithium salt type heparin anticoagulant to ensure that the heparin anticoagulant acts on a blood sample quickly and provide a plasma sample which is immediately available for clinical experiments.

The anticoagulant layer may also employ 0.109 ml/L sodium citrate buffer system anticoagulant to ensure consistent product stability.

The anticoagulant layer can also adopt a composite anticoagulant system anticoagulant, and the anticoagulant is a mixture of sodium fluoride and EDTA (ethylene diamine tetraacetic acid). So that the utility model discloses keeping the function of tradition inhibition glycometabolism, sugar degradation simultaneously, having avoided extrinsic coagulation and haemolysis risk, realized the long-term stability of blood sugar sample.

An anticoagulant is added to the bottom in the test tube, and the anticoagulant layer adopt the same anticoagulant. To further avoid blood clotting at the bottom of the tube.

The test tube is a glass tube made of glass, the test tube can also be a plastic tube made of plastic, and the plastic tube is a plastic tube with the inner wall subjected to silicification.

Has the advantages that: due to the adoption of the technical scheme, the utility model relates to a when vacuum acquisition pipe is used for providing the plasma sample, blood is difficult to solidify, and the blood sampling in-process, has and places the convenience, functions such as portable or transportation.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 shows a composite layer structure on the inner wall of the test tube.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the specific drawings.

Referring to fig. 1, fig. 2, plasma class vacuum test tube, including the heparin tube main part, the heparin tube main part include test tube 1, with 1 upper end fixed connection's of test tube plug, set up skull 2 outside the plug. Test tube 1 can be the glass pipe that adopts glass to make, and test tube 1 also can be for adopting the plastic pipe that the plastic made, and when test tube 1 was the plastic pipe, the plastic pipe that the inner wall adopted silication to handle was the plastic pipe, has coated a layer of silication agent promptly on the plastic pipe inner wall. The rubber plug is made of rubber, so that the rubber plug has certain elasticity. The head cover 2 is a plastic cover made of plastic. A plurality of vertical protrusions for increasing friction force may be provided on the outer circumference of the head cap 2, and the protrusions are integrally formed with the head cap 2 at the time of manufacturing.

As shown in FIG. 2, an anticoagulant layer 11 is attached to the inner wall of the test tube 1. The utility model discloses can adopt the little spray technique among the prior art, spray one deck anticoagulant layer 11 on 1 inner wall of test tube through the mode of ration spraying. Adopt this mode to make anticoagulant layer 11 even attached to 1 inner wall of test tube to make anticoagulant layer's effectual.

Anticoagulant layer 11 can adopt the heparin anticoagulant of sodium salt or lithium salt formula, ensures to act on blood sample rapidly, provides the plasma sample that is waited to take the immediate future for clinical experiment, anticoagulant layer 11 also can adopt 0.109 ml/L sodium citrate buffer system anticoagulant to ensure the continuation of product is stable, anticoagulant layer 11 can also adopt compound anticoagulation system anticoagulant, and the anticoagulant is the mixture of sodium fluoride and EDTA (ethylene diamine tetraacetic acid), so that the utility model discloses keeping the function of tradition inhibition sugar metabolism, sugar degradation simultaneously, avoided extrinsic coagulation and hemolysis risk, realized the long-term stability of blood sugar sample.

As shown in figure 1, the bottom in the test tube 1 is added with anticoagulant 12, anticoagulant 12 and anticoagulant layer 11 use the same anticoagulant to further avoid the blood coagulation at the bottom of the test tube, the utility model discloses a sodium salt or lithium salt formula heparin anticoagulant, 0.109 ml/L sodium citrate buffer system anticoagulant and compound anticoagulant system anticoagulant select for use the product that circulates on the existing market.

Be equipped with at least round buffering ring 3 on the 1 outer wall of test tube, buffering ring 3 is for adopting elastic material to make the elastic buffering ring 3, and buffering ring 3 can be dismantled with 1 outer wall of test tube and be connected. The cushion ring 3 is, for example, a rubber ring made of a rubber material. In order to avoid the damage of heparin tube main part in carrying or the transportation, the cover is equipped with round buffering ring 3 on 1 outer wall of test tube, plays the cushioning effect, and buffering ring 3 is preferred to be set up keeping away from heparin tube label department, and the thickness of buffering ring 3 can be according to the transportation degree of difficulty setting, and the width of buffering ring 3 can occupy the condition setting of outer wall according to the label. Buffering ring 3 is three, and three buffering ring 3 is from last down evenly setting on 1 outer wall of test tube. As shown in fig. 2, the two cushion rings 3 located above are wider in width, and the one cushion ring 3 located below is narrower in width. Under the prerequisite that plays buffering ring 3 and play the cushioning effect, in order to avoid sheltering from test tube 1, buffering ring 3 adopts the mode that one section distance in interval set up.

Be equipped with tube socket 4 in test tube 1's bottom, dig on tube socket 4 and be equipped with the chamber that holds test tube 1 bottom, hold the chamber top and open, on tube socket 4 was arranged in to test tube 1's bottom. When being equipped with at least round buffering ring 3 on the test tube 1 outer wall, hold and be equipped with the round recess on the intracavity wall, the degree of depth of recess is greater than the thickness of buffering ring 3. When tube socket 4 was arranged in to the bottom of test tube 1, the recess joint that the below buffering ring 3 and the intracavity that holds on the test tube 1 outer wall was fixed. In order to make the heparin tube main part can be convenient and stable place in the desktop, the utility model discloses tube socket 4 has been add, and the mode that adopts test tube 1 and tube socket 4 joint is fixed, when needs place the desktop with the heparin tube main part, adopts tube socket 4 to place, when need not to place, can get rid of tube socket 4, the utility model provides a multiple choice mode of placing of user.

The socket 4 may be a rectangular parallelepiped structure, and the receiving cavity is located at an upper portion of the socket 4 and is opened at a top of the socket 4. The tube seat 4 can also be a quadrangular prism structure, the width and the length of the tube seat 4 are gradually increased from top to bottom, the accommodating cavity is positioned on the narrower upper part of the tube seat 4, and the accommodating cavity is opened at the top of the tube seat 4. So as to be more stably placed on the table top.

The socket 4 may be a socket 4 made of a plastic material, a metal material, or a rubber material. Because the outer buffer ring 3 of test tube 1 is elastic material, so the material of tube socket 4 does not influence the joint of test tube 1 bottom and tube socket 4. To facilitate the placement and removal of the test tube, the tube holder 4 is preferably made of a rubber material. The accommodating cavity and the groove on the tube seat 4 are made integrally with the tube seat 4. The distance from the center of the groove on the tube seat 4 to the bottom of the accommodating cavity of the tube seat 4 is greater than the distance from the center of the buffer ring 3 at the lowest part outside the test tube to the bottom of the test tube, so that the bottom of the test tube is better placed in the accommodating cavity. The bottom of the socket 4 may also be provided with an open structure so that the bottom portion of the receiving cavity is open. The bottom of the tube seat 4 can also be provided with a plurality of through holes, so that the bottom of the accommodating cavity is communicated with the outside through the through holes.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The plasma vacuum blood collection tube comprises a blood collection tube main body, wherein the blood collection tube main body comprises a test tube, a rubber plug fixedly connected with the upper end of the test tube and a head cover arranged outside the rubber plug, and is characterized in that an anticoagulant layer is attached to the inner wall of the test tube;

2. The plasma vacuum blood collection tube according to claim 1, wherein the outer wall of the test tube is provided with at least one ring of buffer ring, and the buffer ring is an elastic buffer ring made of elastic material.

3. The blood plasma type vacuum blood collection tube according to claim 2, wherein the number of the buffer rings is three, and the three buffer rings are arranged on the outer wall of the test tube from top to bottom.

4. The evacuated blood collection tube for plasma type according to claim 2 or 3, wherein a circle of groove is formed on the inner wall of the accommodating cavity of the tube holder, and the depth of the groove is greater than the thickness of the buffer ring;

5. The evacuated blood collection tube for plasma-like blood according to claim 1, wherein the tube holder is a rectangular parallelepiped structure, the housing cavity is located at an upper portion of the tube holder, and the housing cavity is open at a top portion of the tube holder.

6. The evacuated blood collection tube for plasma type according to claim 1, wherein the tube holder has a quadrangular prism structure, the width and length of the tube holder are gradually increased from top to bottom, the accommodating chamber is located at the upper portion of the tube holder where it is narrower, and the accommodating chamber is opened at the top of the tube holder.

7. The evacuated blood collection tube for plasma according to claim 1, wherein the anticoagulant layer is heparin anticoagulant in the form of sodium salt or lithium salt, or anticoagulant in the form of 0.109 ml/L sodium citrate buffer system.

8. The blood plasma type evacuated blood collection tube according to claim 1, wherein the test tube is a glass tube made of glass.

9. The evacuated blood collection tube for plasma according to claim 1, wherein the test tube is a plastic tube made of plastic, and the plastic tube has an inner wall subjected to siliconization.