Optiva IV Catheters. Ultra sharp electropolished V-point needle provides a needle insertion force that is 25-30% less than other catheters. Clear yet radiopaque material facilitates fluid visualisation. Unique design for patient comfort – combines the stiffness required for insertion with the softness essential to patient comfort. Catheter softens in the vein for enhanced patient comfort. OCRILON Polyurethance means longer indwelling times are possible. Thinwall catheter design delivers high flow rates. Features standard hub in a range of sizes.