Device for use with metered dose inhalers (MDIS)

Details Device for use with metered dose inhalers (MDIS) Device for use with metered dose inhalers (MDIS)

1996-06-06

1998-10-27

Weiss, John G.

Surgery

Liquid medicament atomizer or sprayer

Pre-pressurized container holding medicament

12820014, A61M 1100

Patent

active

058265716

ABSTRACT:
An inhalation device is provided for use with pressurized metered dose inhalers (MDIs). The device includes a mechanical mechanism for applying the force required to discharge the MDI, a breath-activated trigger for activating this mechanical mechanism, an auto-return mechanism for insuring recovery of the aerosol canister from the fired position and a dose counter for counting the doses dispensed or available. Arming of the device is achieved by removing the protective mouthpiece cover/dust cap. Activation of the MDI is set to occur at a point subsequent to the beginning of inhalation.

REFERENCES:
patent: 3900138 (1975-08-01), Phillips
patent: 4817822 (1989-04-01), Rand et al.
patent: 5033463 (1991-07-01), Cocozza
patent: 5069204 (1991-12-01), Smith et al.
patent: 5119806 (1992-06-01), Palson et al.
patent: 5217004 (1993-06-01), Blasnik et al.
patent: 5349945 (1994-09-01), Wass et al.
patent: 5408994 (1995-04-01), Wass et al.
patent: 5447150 (1995-09-01), Bacon
patent: 5482030 (1996-01-01), Klein

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