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Disposable vacuum Blood Collection Tubes serum in the separation
 
Disposable vacuum Blood Collection Tubes serum in the separation
In recent years, the use of disposable vacuum blood collection tube serum was separated, more and more widely used clinically. Although its cost is slightly higher, but there are hydrophobic tube of blood non-active pre-existence of the inert gel, and compared to conventional methods of serum separation, according to a short, simple, chemical composition and stability in serum and many other advantages. I use disposable vacuum blood more than a year, summarized as follows Experiences
1. Conventional serum prepared, because direct contact with blood cells and serum, the metabolism of blood cells consume the nutrients in the serum, the serum components continually change. If not timely detected, a variety of serum biochemical changes occur, especially in times of ion indicators will be prepared by vacuum blood serum after centrifugation tube down the order from the serum, gel, blood cell layers. Gel between the formation of blood cells and serum gel compartment, blocking and reduced the serum components of blood cells using the channel, so that serum components to maintain the stability of a long time.
2. Disposable
vacuum blood containing inert gel material and the coagulant, the blood of the injection could promote clotting, and promote the role of serum separation with the serum separation of fast and more affected by temperature, a small, isolated features of the serum can be used. Compared with ordinary tube without the water bath, saving time, can well meet the clinical requirements for emergency samples.
3. The use of disposable vacuum blood can reduce the incidence of hemolysis. Because the blood in the blood collection process is under negative pressure in the small injected slowly along the wall of blood collection, the RBC can not easily be damaged blood vessels were also taken to avoid blood cells coated with silicone and some walls to prevent the fragmentation of blood cells during centrifugation, difficult to hemolysis. This reduces the hemolytic factors due to the impact of test results to ensure the accuracy of clinical results on the determination of the requirements.
4. Disposable vacuum blood has sealed a one-time security bond, taken from the blood injected into the separation of blood serum on the machine test before completion, the management of blood components and the external environment is always in isolation, to avoid the corresponding contaminated blood, so that blood collection, transportation, number, centrifugal process shed blood is not easy, effective medical staff to avoid finger contact with blood, preventing nosocomial infections and environmental pollution. Disposable Vacuum Blood main component is a large plastic tube hardness, not afraid to fall, easy to carry, even in the height of free fall m blood samples would not spill, easy to transport specimens. When high-speed centrifugation and never Louxue phenomenon.
5. Disposable
vacuum blood collection tube after centrifugation on the automated analysis can be directly measured, with ordinary test tube by the water bath, centrifuge, pipette vampire clear disposable plastic cups from the machine and then the process of detection of the complex compared to simple, to reduce errors appears. Also, vacuum blood to blood collection, serum separation, the machine testing, blood preservation, the whole process of waste disposal are carried out in the same just to reduce the waste of disposable plastic products, protection of the environment pollution inside and outside the laboratory, improve the quality of the serum before the extension.
It is worth noting, such as samples from the blood to separate serum, centrifugation time is too short or too short, prone to a layer above the cloudy gel fibrin group, without attention to the test on the machine, can cause automatic analyzer suction sample is not accurate, the authenticity of the reliability of test results, or even block the automatic analyzer, resulting in serious consequences. As by the above, the specimen can be directly re-centrifuge serum poured or disposable plastic cups, you can get clear serum.

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