evacuated tube system

Medical term Routine Blood Collections

Closed system of a multisample safety needle, a tube holder and vacuum tubes. Needle and holder go into the sharps container together.

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Related terms

sharpsItems that can pierce or cut skin: needles, lancets, broken glass. Discard used ones immediately in a sharps…
sharps containerClosable, puncture-resistant, leakproof container with a biohazard label for used sharps, kept upright…
tube holderPlastic barrel that holds the tube and shields the hand. It stays attached to the used needle and is…
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erythemaRedness of the skin from increased blood flow. Unlike petechiae or a bruise, it fades (blanches) when pressed.
erythrocyteRed blood cell: a disk-shaped cell without a nucleus that carries oxygen bound to hemoglobin.
evacuated tubeA sealed tube with a preset vacuum that draws a set blood volume when its stopper is pierced by the back of…
fibrinProtein threads formed from fibrinogen during clotting that bind platelets and blood cells into a clot.
fibrinogenA clotting protein in plasma that is converted into fibrin; plasma contains it, serum does not.
formed elementsThe solid part of blood: red cells, white cells and platelets (cell fragments), suspended in the liquid…