Standard<unk> . 1. The<unk>  itself is composed of (a) a tip for insertion into the vein, (b) wings for manual handling and securing the<unk>  with adhesives, (c) a valve to allow injection of drugs with a syringe, (d) an end which allows connection to an intravenous infusion line, and capping in between uses. 2. The needle (partially retracted) which serves only as a guidewire for inserting the cannula. 3. The protection cap which is removed before use. A<unk>  intravenous<unk>  in place, fixed to a patient's arm with adhesives and attached to a drip. In medicine, a<unk>  (PVC),<unk>  venous line,<unk>  venous access<unk> , or<unk>  intravenous<unk>  (PIVC), is a<unk>  (small, flexible tube) placed into a<unk>  vein for venous access to administer intravenous therapy such as medication fluids.
Peripheral venous catheter
Central venous catheter
Peripherally inserted central catheter
Arterial line
Vascular closure device
Quinton catheter
Transradial catheterization
Vascular access