MaxGuard Extension Set, Model No. ME2064, MP9009C, MP9209, MP9254C || The MaxGuard extension sets are used to administer fluids from a container to a patient s vascular system through a needle or catheter inserted into the patient s artery or vein. The extension sets may incorporate components that aid in the prevention of accidental needle sticks. The set s components are commonly found on intravascular administration sets and extension sets