BD PosiFlushâ„¢ Prefilled Saline Syringe complies with major PICC manufacturer recommendations for flushing with a 10-mL syringe. It also improves clinician efficiency and workflow by eliminating the steps and time involved in the manual preparation of saline syringes. Designed to prevent solution from entering a nonsterile area of the syringe, the product helps reduce the risk of solution contamination. The saline prefilled flush products feature a sterile fluid pathway.