BD PosiFlush SP Pre-filled SyringesBD PosiFlush SP Pre filled Syringes BD PosiFlush is available in a range of sizes to meet priming volume recommendations. BD PosiFlush is a ready to use medical device which: Creates time saving efficiencies Leads to greater standardization and compliance to flushing practices Reduces storage and disposal costs BD PosiFlush SP Syringes, filled with Saline, have been specifically designed for flushing vascular access devices that are not in a sterile