Actuator comprising moveable membrane

A - Human Necessities – 61 – M

Patent

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Details

A61M 15/00 (2006.01) A61M 16/20 (2006.01) F16K 15/14 (2006.01) F16K 31/126 (2006.01)

Patent

CA 2412837

There is described an actuator comprising an inlet port and an outlet port and a valve member situated between the inlet and outlet ports, the valve member comprising a moveable apertured membrane such that in the open position an aperture in the membrane is coincident with the inlet and outlet ports and in the closed position the aperture is non-coincident with one or both of the inlet and outlet ports. There is also described an inhaler system using the actuator and a method of administering a medicament to a patient using such an inhaler system.

L'invention concerne un actionneur comprenant un orifice d'entrée et un orifice de sortie et un élément de vanne disposé entre les orifices d'entrée et de sortie, l'élément de vanne comprenant une membrane mobile à ouverture conçue de telle façon que, dans la position ouverte, une ouverture dans la membrane coïncide avec les orifices d'entrée et de sortie, et que, dans la position fermée, l'ouverture ne coïncide ni avec l'un ni avec les deux orifices d'entrée et de sortie. L'invention concerne aussi un système d'inhalation utilisant cet actionneur, ainsi qu'un procédé d'administration d'un médicament à un patient utilisant un tel système d'inhalation.

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