Aerosol inhalation device

Details Aerosol inhalation device Aerosol inhalation device

1993-10-06

1995-01-31

Burr, Edgar S.

Surgery

Liquid medicament atomizer or sprayer

Pre-pressurized container holding medicament

12820323, 12820324, 12820329, 1375124, A61M 1100

Patent

active

053851404

ABSTRACT:
A diaphragm valve mechanism comprises a diaphragm valve support structure having passages extending therethrough. Projecting normal to a grid are a number of locating pins which are adapted to extend through holes in the diaphragm valve. The diaphragm valve is formed of flexible material and is provided with a pair of cross slits, each corresponding with the grid bridge element. The central portion of the diaphragm valve is located within a major flow passage whereas the outer peripheral edge portion of the diaphragm valve is located within an exit passage.

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patent: 5012803 (1991-05-01), Foley
patent: 5012804 (1991-05-01), Foley
patent: 5042467 (1991-08-01), Foley
patent: 5074294 (1991-12-01), Chiesi
patent: 5134993 (1992-08-01), Van Der Linden

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