Inhalation device

Details Inhalation device Inhalation device

A - Human Necessities

61

M

128/71

A61M 15/00 (2006.01)

Patent

CA 2036020

An inhalation device is provided for use with an aerosol container (208) having a body portion and a discharge stem (216) movable with respect to the body portion from a rest position in which discharge is prevented to an operative position in which discharge takes place. The device has a housing (202) for the inhalation device, and an outlet (204) provided in the housing through which a patient can inhale. A restraining and pressure-sensing member is provided in the form of a resiliently flexible plate (234). The plate has a first position in which it prevents relative movement between the discharge stem and the body portion to the operative position and a second position in which it permits such movement. The plate senses when a reduced pressure is produced through inhalation by the patient and moves from the first position to the second position in response thereto.

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