DIAPHRAGM SEAL FOR USE IN A MEDICINAL AEROSOL

摘要

The invention comprises a device for delivering an aerosol comprising a diaphragm comprising a first layer with a compression set of 30% or more and a second layer with a compression set of 20% or less. The invention also comprises a device for delivering an aerosol comprising a diaphragm comprising a first layer comprised of an uncrosslinked thermoplastic elastomer and a second layer comprised of a crosslinked rubber.