Implantable hand-operable dispensers for fluid medicaments

摘要

YA hand-operable dispenser for fluid medicaments is provided in a form which is suitable for implanting same within a human body which permits controlled and convenient dispensing of fluid medicament to a desired somewhat remote location within the body. Propelling assemblies and blocking assemblies are provided and positioned so that they cooperate with each other along a medicament flow channel within the device in order to provide a controlled dispensing of a unit dose of medicament to the desired remote location. The medicament flow channel includes a blocking assembly at its downstream end.