The BD Saf-T-Intima™ closed catheter system incorporates preattached extension tubing to help support reduction in blood exposure.   The PRN Adapter is removable and allows for use of an ISO-Complian needleless connector. Advanced shielding design A telescoping needle shield passively covers the needle, helping protect clinicians from needlestick injuries.   Closed system Preattached extension tubing offers a closed system to minimize blood exposure during catheter insertion.   Removable adapter A removable PRN adapter allows the use of an ISO-compliant needleless connector.   BD Vialon™ biomaterial The system is constructed with BD Vialon biomaterial, a proprietary catheter material that softens in the vein.