CN202235402U

CN202235402U - Vacuum blood collection tube

Info

Publication number: CN202235402U
Application number: CN201120350860XU
Authority: CN
Inventors: 杨馨艳; 王文刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-09-19
Filing date: 2011-09-19
Publication date: 2012-05-30
Anticipated expiration: 2021-09-19

Abstract

The utility model discloses a vacuum blood collection tube which comprises a vacuum tube body, wherein a sealing rubber plug is mounted at a tube mouth of the vacuum tube body, a flow guide tube is arranged in the tube body, openings are arranged at the two ends of the flow guide tube, one end of the flow guide tube is arranged below the rubber plug, and the other end of the flow guide tube extends to the tube wall of the tube body. According to the technical scheme, as the vacuum blood collection tube is provided with the flow guide tube, when the vacuum blood collection tube is used for collecting blood, the tube body does not need to be inclined, and the blood can flow down along the tube wall through the flow guide tube; and as the aperture of the flow guide tube is gradually downwards reduced from the rubber plug of the tube mouth, a narrow and small space in the flow guide tube can be avoided due to the large aperture, a puncture needle can penetrate through the flow guide tube, the small aperture is arranged on the tube wall and a pointed part is arranged at the tube mouth, the blood can smoothly flow to the tube wall along the flow guide tube and flow down along the tube wall, red blood cells can be prevented from fracturing due to direct impact, and the hematolysis phenomenon can be avoided.

Description

Vacuum test tube

Technical field

This utility model relates to medical sanitary apparatus, relates in particular to a kind of vacuum test tube.

Background technology

Vacuum test tube is the blood drawing utensil of using always, and negative pressure is excessive or too small in the pipe, all can cause haemolysis.Negative pressure is relatively large, and blood inflow pipe low speed is spent too quickly soon, causes erythrocyte to clash into each other, causes EF, sample hemolysis.

For preventing to manage the interior excessive haemolysis of negative pressure; When blood sample collection, the general employing the blood taking tube that tilts slightly behind the blood taking needle afterbody insertion blood taking tube makes its afterbody dial press close to the sidewall of blood taking tube; Blood is slowly flowed down along tube wall, avoid erythrocyte directly to clash into to cause and break.This method can reduce the hemolytic number of times of generation, but owing to have relatively high expectations to what operate, can not stop the generation of haemolysis.

Summary of the invention

This utility model technical problem to be solved is: a kind of vacuum test tube is provided, blood is slowly flowed into along tube wall, prevent haemolysis.

For solving the problems of the technologies described above; The technical scheme of this utility model is: vacuum test tube; Comprise a vacuum body that the sealing plug is installed at mouth of pipe place, be provided with a mozzle in the said body, said mozzle both ends open; One end of said mozzle is arranged on said plug below, and the other end extends to the tube wall place of said body.

As a kind of improvement, the bore of said mozzle is reduced to an end that is positioned at said tube wall place by the end near said plug gradually.

As a kind of improvement, the end opening place that said mozzle is positioned at said body tube wall place is provided with a tip that is adjacent to said tube wall.

Owing to adopted technique scheme, this utility model need not tilt body during blood sampling owing to be provided with mozzle, and blood also flows down along tube wall through mozzle; Because the bore of mozzle is reduced downwards by the plug place of the mouth of pipe gradually; Heavy caliber can avoid the interior space of mozzle narrow; Puncture needle penetrates mozzle, small-borely is arranged at the tube wall place and is provided with the tip at the mouth of pipe, makes blood flow to the tube wall place and flow down along tube wall along mozzle smoothly; Prevent erythrocyte directly bump cause and break, avoid haemolysis to take place.

Description of drawings

Below in conjunction with accompanying drawing and embodiment this utility model is further specified.

Fig. 1 is the structure cutaway view of this utility model embodiment;

Among the figure: the 1-body; The 2-plug; The 3-pipe cap; The 4-mozzle; The 41-tip.

The specific embodiment

Shown in 1 figure, vacuum test tube comprises a vacuum body 1 that sealing plug 2 is installed at mouth of pipe place; Be provided with a mozzle 4 in the said body 1; Said mozzle 4 both ends opens, an end of said mozzle 4 are arranged on said plug 2 belows, and the other end extends to the tube wall place of said body 1.

The bore of said mozzle 4 is reduced to an end that is positioned at said tube wall place by the end near said plug 2 gradually, and the end opening place that said mozzle 4 is positioned at said body 2 tube wall places is provided with a tip 41 that is adjacent to said tube wall.

When this utility model is practical, blood taking needle is inserted in the body 1, make the syringe needle of blood taking needle be positioned at the mozzle 4 of plug 2 belows, blood and flows down along the tube wall of mozzle 4 along body 1 in syringe needle flows to mozzle 4.

More than show and described ultimate principle of this utility model and the advantage of principal character and this utility model.The technical staff of the industry should understand; This utility model is not restricted to the described embodiments; Under the prerequisite that does not break away from this utility model spirit and scope, this utility model also has various changes and modifications, and these variations and improvement all fall in this utility model scope that requires protection.This utility model requires protection domain to be defined by appending claims and equivalent thereof.

Claims

1. vacuum test tube; Comprise a vacuum body that the sealing plug is installed at mouth of pipe place, it is characterized in that: be provided with a mozzle in the said body, said mozzle both ends open; One end of said mozzle is arranged on said plug below, and the other end extends to the tube wall place of said body.

2. vacuum test tube as claimed in claim 1 is characterized in that: the bore of said mozzle is reduced to an end that is positioned at said tube wall place by the end near said plug gradually.

3. vacuum test tube as claimed in claim 1 is characterized in that: the end opening place that said mozzle is positioned at said body tube wall place is provided with a tip that is adjacent to said tube wall.