ACTUATOR FOR AN INHALER

摘要

An actuator for an inhaler, in particular a nasal actuator, is disclosed, the actuator comprising a body, a stem post and fixing means for fixing the stem post in the body. The body comprises a delivery passage for delivery of a medicament and a canister opening for insertion of a canister having a metering valve with a valve stem. The stem post comprises a stem socket for receiving the valve stem of a canister and comprises an orifice for discharging a medicament to the delivery passage. The stem post and body are adapted so they cooperate to define a transition chamber when the stem post is fixed in the body. Also disclosed is a method of forming an component for an actuator for an inhaler, and a method of assembling an actuator for an inhaler by inserting the stem post through the canister opening and into the body thereby.

主权项

1. An actuator for an inhaler, the actuator comprising
a body, a stem post and fixing means for fixing the stem post in the body, wherein the body comprises a delivery passage for delivery of a medicament and a canister opening for insertion of a canister having a metering valve with a valve stem, the stem post comprises a stem socket for receiving the valve stem of a canister and comprises an orifice for discharging a medicament to the delivery passage, and wherein the stem post is adapted and the body is adapted so that the stem post and body cooperate to define a transition chamber when the stem post is fixed in the body.