| abstract |
DEVICE AND METHODS FOR ASSEMBLING INDEX VALVE AND PRESSURIZED CANISTER WITH COLLAR AND LINEAR DRIVE BY PISTON ASSEMBLY IN FLUID COMMUNICATION WITH DEVICE FOR REGULAR DRUG DELIVERY. Indexed drug delivery device (70) comprising a valve assembly (13) comprising a housing (26) and a valve, the valve disposed within the housing, one or more keys (34, 38) integral with the housing, the complementary keys corresponding openings in a collar (12), a pressurized canister (28) in fluid communication with the valve assembly, the canister containing an active pharmaceutical ingredient and an inactive carrier gas, a receiving assembly comprising a receptacle adapted to fit at least one housing portion, a seat adapted to engage the valve and a piston assembly adapted to linearly drive the valve and canister assembly along an axis and to engage the valve and seat, the piston assembly comprising a carrier attached to the collar and a lever having a shoulder adapted to engage a spring, the spring adapted to linearly actuate the conveyor, valve assembly, canister and paste along the axis. |