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  • A blood collection tube is made up of sterile glass or plastic tube with a closure that is evacuated to create a vacuum inside the tube facilitating the draw of a predetermined volume of liquid.

  • Most common application is to draw a blood sample directly from the vein and also to collect urine samples.

  • Sterile vacuum blood collection tubes mainly for serum determination. Most tubes utilize conventional stopper closures.

  • Tubes with a BD Hemogard closure incorporate a plastic shield that helps to protect lab personnel from contact with blood on the stopper.

  • The rubber stopper of a closure is recessed inside the plastic shield so any drops left by a blood collection needle remain isolated from potential contact. The shield also protects against blood splattering when opening tube.

  • The Vacutainer system consists of a double-pointed needle, a plastic holder or adapter, and a series of vacuum tubes with rubber stoppers of different colors.

  • The stopper colors indicate the type of additive present. So that each colour of tube used in different type of testing and perform various functions.

  • One end of the double-sided needle is inserted into a hole at the top of the plastic holder. The other side of the needle is inserted into the vein and the Vacutainer tube is inserted into the plastic holder to draw blood Samples.

  • When compared with phlebotomist, Vacutainer are effective when multiple samples are required but phlebotomist simply waits until the first tube is filled and then replaces it with another tube.

  • With these tubes, dilution of the blood is more accurate. Each tube is pre-filled with the appropriate amount of additive.

  • List of Vacutainer tubes available are Gold Top SST, Red Top Plain tubes, Purple Top Tubes, Gray Top Tubes, Light Blue Top Tubes, Green Top tubes, Navy blue tubes with no anticoagulant, yellow ACD solution B Tubes.

  • In the Quantification of Human immunodeficiency virus type1 in blood specimens , plastic Vacutainer tubes are mostly preferred for blood storage.

  • Advantages are improved accuracy, turn around time and more timely patient treatment, reduction in incidence of hemolysis.

  • A blood transfer device is a one-piece latex-free device that meets all procedural and safety standards for blood transfer.

  • In chemistry, Vacutainer heparin tubes used for plasma determinations which are spray coated.

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