With the Introcan Safety IV Catheter you get a truly passive device. From insertion to catheter deployment to needle removal, youre protected by a system that is activated automatically and cannot be bypassed. No extra time-consuming or uncomfortable steps are needed to ensure safety. Introcan Safety IV Catheters are available in polyurethane (PUR) and FEP in both winged and straight from 24G to 14G, 0.55 inch to 2 inches.