This patent is for drug delivery devices that are adapted to receive liquid medication vials to fill a reservoir, utilizing sliding through valves that are closed except when driven by force of liquid medication pushed by a plunger to an open position to feed the medication via needle to a patient or via a connection to an IV port. The devices have multiple seals and automatically close up when pressure on the plunger is released.

View the full patent for the Drug Delivery Device with Sliding Valve.

Please contact DeJonge Associates for samples or additional information.