teaching of the present invention, the flow actuator, the manual positioning component, the pressure sensor, and the processing unit are housed in a base unit further including a processing unit display, processing unit input keypad, and a power supply.
According to a further teaching of the present invention, the fluid supply assembly, the flow reduction passage, and the flow control valve, are housed in a removable cartridge unit.
There is also provided according to the teachings of the present invention, a fluid drug delivery device comprising: a) a fluid supply assembly; b) a pressure reduction passage having a fluid inlet in fluid communication with the fluid supply assembly, the flow passage also having a fluid outlet; c) a flow control valve interconnected to the fluid outlet; and d) a piezoelectricflow control valve, are housed in a removable cartridge unit.
There is also provided according to the teachings of the present invention, a fluid drug delivery device comprising: a) a portable base unit including, a flow actuator, a manual positioning component, at least one pressure sensor, a processing unit, a display, keypad and a power source for the processing unit are housed in a base unit; and b) a cartridge unit that is removably interconnected to the base unit, the cartridge including a fluid supply assembly, a pressure reduction passage, and a flow control valve, the fluid supply assembly providing a pre-pressurized chamber containing a quantity of fluid drug.
According to a further teaching of the present invention, the flow actuator is a piezoelectric actuator deployed so as to regulate