The page below is a sample from the LabCE course Routine Venipuncture. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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Blood Collection Systems and Devices

The phlebotomist has a choice of several blood collection systems. Three that are commonly used are discussed on the following pages.

Evacuated Tube System

The primary choice for a routine venipuncture that will be performed on an adult or an older child is a blood collection system that consists of a holder (or adapter), a needle that is pointed on both ends, and evacuated blood collection tubes. One end of the needle will pierce the vein and the other end will pierce the stopper of the evacuated tube so that blood will flow into the tube to fill the vacuum. A safety device is required on either the holder or the needle to comply with current standards for needle safety. Two examples of needle holders equipped with safety devices are shown on this page.