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Phlebotomy is the process of making a puncture in a vein, usually in the arm, with a cannula for the purpose of drawing blood. [1] The procedure itself is known as a venipuncture , which is also used for intravenous therapy .
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In medicine, Allen's test or the Allen test is a medical sign used in physical examination of arterial blood flow to the hands. It was named for Edgar Van Nuys Allen, who described the original version of the test in 1942.
A needle-free powder lignocaine delivery system has been shown to decrease the pain of venipuncture in children. [ 20 ] [ 21 ] Rapid dermal anesthesia can be achieved by local anesthetic infiltration, but it may evoke anxiety in children frightened by needles or distort the skin, making vascular access more difficult and increasing the risk of ...
The Vacutainer was preceded by other vacuum-based phlebotomy technology such as the Keidel vacuum. The plastic tube version, known as Vacutainer PLUS, was developed at B-D in the early 1990s by E. Vogler, D. Montgomery and G. Harper amongst others of the Surface Science Group as US patents 5344611, 5326535, 5320812, 5257633 and 5246666. [17]
Fresh frozen plasma (FFP) is a blood product made from the liquid portion of whole blood. [3] It is used to treat conditions in which there are low blood clotting factors (INR > 1.5) or low levels of other blood proteins.