DEVICES AND METHODS FOR ENGAGING INDEXED VALVE AND PRESSURIZED CANISTER ASSEMBLY WITH COLLAR AND FOR LINEAR ACTUATION BY PLUNGER ASSEMBLY INTO FLUID COMMUNICATION WITH DEVICE FOR REGULATING DRUG DELIVERY

摘要

PROBLEM TO BE SOLVED: To provide an indexed collar that engages only an indexed drug containment device, thereby the index providing fully complementary members identified for a predetermined API and/or dosing concentration.SOLUTION: An embodiment comprises: a valve assembly 13 comprising a housing 26 and a valve, the valve disposed within the housing; one or more keys 34, 38 integrated with the housing of the valve assembly, the keys engaging complementarily to corresponding openings on a collar 12; and a pressurized canister 28 in fluid communication with the valve assembly, the canister containing a pharmaceutical ingredient and an inactive carrier gas.