Limited backflow reflux valve and method

摘要: A limited backflow reflux valve for connection between a syringe, catheter, and bulk container of injection fluid. The permits fluid from the syringe through catheter into patient, also refilling container, without disconnection any tubing. volume to so that may be checked patency, but prevents further along this path after volume. Therefore, not only both withdrawal blood patient contrast media requiring or other tubing risk contamination introduction air, increasing efficiency process, enhancing safety, reducing waste