BD Preventis™ Needle Shielding System Brand: BD (Becton Dickinson) | Safety devicesCategory: Packaging Materials Download Catalogue The BD Preventis™ needle shielding system enables one-handed, controlled activation that automatically shields the needle. The system supports staked needles up to 1/2-in long. Syringe compatibility: The system is compatible with 0.5- and 1-mL–long BD Hypak™ syringes with an attached needle. Assembly convenience: The BD Preventis system is delivered for assembly with pre-fillable syringes. Assembly: The system is designed for low- to high-speed filling lines with no change in sterile filling operation.