Vacutainer
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A vacutainer blood collection tube is a sterile glass or plastic test tube with a colored rubber stopper creating a vacuum seal inside of the tube, facilitating the drawing of a predetermined volume o
Drawing blood from the median cubital vein using a vacutainer. The clear plastic sheath around the top of the tube holds the needle. The orange guard will shield the needle after it is withdrawn from the patient to protect from accidental needle stick injury.
A tiger top tube after centrifugation to separate blood cells from serum
Vacutainer blood tubes
Blood collection tubes are among the basic medical supplies taken by disaster relief programs to affected areas.
Venipuncture
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In medicine, venipuncture or venepuncture is the process of obtaining intravenous access for the purpose of venous blood sampling or intravenous therapy. In healthcare, this procedure is performed by
Vacutainer
…next, so the sequence is standardized so that any cross-contamination of additives will not affect laboratory results. Vacutainer/sample tube types for venipuncture/phlebotomy Tube cap color or type in order of draw Additive Usage and comments Blood culture bottle Sodium polyanethol sulfonate (anticoagulant) and…
Still photo of a venipuncture procedure
An elastic tourniquet used to temporarily restrict blood flow. The tourniquet distends the veins, making them more palpable and visible.