Medtronic Paradigm® Pump Reservior 3mL, Paradigm® Connection, Traditional Luer Lock System, Silicone Membrane, For 7 Series Insulin PumpsCustom made for Medtronic MiniMed Paradigm® 51x insulin pumps and can be used with all Medtronic MiniMed Paradigm infusion sets. Paradigm® Reservoirs have also been designed with a great deal of attention and with your safety in mind. The connection point between your infsuion set and reservoir are actually patented* and unique to Medtronic for that reason.Fast, efficient reservoir filling and ease of handling - No assembly required, the reservoir is ready to use.Less risk of injury - No extra needle to handle, it is incorporated into the TransferGuard.Secure, stable and easy reservoir filling - the TransferGuard fits neatly onto the insulin vial. Reservoir also allows for pen filling.No risk of leakage or spillage, even if pressure is applied on the syringe.