Patent ID: 6792941
Filing Date: 2004-09-21
Classification: A61M

Abstract:
An actuator for an inhaler for delivering medicament by inhalation, comprising:a housing for receiving a canister comprising a body which defines a chamber containing medicament and a valve stem which extends from the body; a nozzle block for receiving the valve stem of the canister; a mouthpiece for providing medicament from the nozzle block to the mouth of a user; and at least one actuating member for manual engagement by a user in applying a force to actuate the canister, wherein the at least one actuating member is disposed such that the actuating force is applied substantially laterally relative to the longitudinal axis of the canister and configured when being acted upon to cause relative movement of the body and the valve stem of the canister; said at least one actuating member including an outwardly-facing surface for manual engagement by a user and an inwardly-facing surface which in use bears against a surface of the canister, said inwardly-facing surface of said at least one actuating member including a curved inclined surface portion over which the bearing surface of the canister in use progressively slides.