Metered dose inhalator

Details Metered dose inhalator Metered dose inhalator

1994-11-29

1996-08-13

Burr, Edgar S.

Surgery

Liquid medicament atomizer or sprayer

Pre-pressurized container holding medicament

12820312, A61M 1100

Patent

active

055446477

ABSTRACT:
A metered dose inhaler is described having an improved electronic counting means to indicate the doses remaining in the aerosol canister component of the inhaler assembly.

REFERENCES:
patent: 4300548 (1981-11-01), Jones
patent: 4534345 (1985-08-01), Wetterlin
patent: 4677975 (1987-07-01), Edgar et al.
patent: 4947875 (1990-08-01), Brooks et al.
patent: 4955371 (1990-09-01), Zamba et al.
patent: 5020527 (1991-06-01), Dessertine
patent: 5224474 (1993-06-01), Bloomfield
patent: 5227764 (1993-07-01), Umemoto
patent: 5284133 (1994-02-01), Burns et al.
patent: 5363842 (1994-11-01), Mishelevich et al.
patent: 5392768 (1995-02-01), Johansson et al.
patent: 5394866 (1995-03-01), Ritson et al.

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