Patent · US Active

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

US8225780B2 · kind B2 · utility

0Cited by
32References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 15, 2009
Grant dateJul 24, 2012
Priority date—
Expiry dateJun 21, 2030

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T156/10
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.