Medicament dispensing device with a multimaterial diaphragm bounding a pneumatic force chamber

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专利权人:

Michael Holroyd

发明人:

Michael Holroyd

申请号：

US12579942

公开号：

US08225780B2

申请日:

2009.10.15

申请国别(地区):

US

年份:

2012

代理人:

摘要：

Provided herein is a metered dose inhaler for use with a pressurized aerosol container which is preferably breath-actuated. The metered dose inhaler contains a diaphragm which includes a central disk of a first, relatively high stiffness material and a peripheral ring, coupled by a flexure of a second, relatively low stiffness material.

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