Breath coordinated inhaler

Details Breath coordinated inhaler Breath coordinated inhaler

1997-03-28

1999-05-18

Yu, Mickey

Surgery

Liquid medicament atomizer or sprayer

Pre-pressurized container holding medicament

12820312, 12820014, A61M11/00

Patent

active

059041390

ABSTRACT:
An improved breath coordinated inhaler is provided for administering medication to a patient in aerosol form for respiratory inhalation therapy. The improved inhaler comprises a compact housing adapted to receive and support a medication cannister including a valve assembly actuatable to deliver a dosage of the medication in aerosol form. The housing includes a plunger mounted at a first end thereof for displacing the cannister against a spray nozzle located at a second end of the housing to actuate the valve assembly and deliver the medication through a mouthpiece to the patient. The plunger is associated with a seal arrangement for venting the housing when the plunger is depressed to allow the patient to draw in air in timed relation to the medication delivery, and to substantially re-seal the housing against ingress of contaminants when the plunger is released.

REFERENCES:
patent: 3302834 (1967-02-01), Alsop
patent: 3900138 (1975-08-01), Phillips
patent: 4796614 (1989-01-01), Nowacki et al.
patent: 5060643 (1991-10-01), Rich et al.
patent: 5421482 (1995-06-01), Garby et al.
patent: 5447150 (1995-09-01), Bacon
patent: 5460171 (1995-10-01), Presenti et al.
patent: 5669376 (1997-09-01), Sioutas

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