Inhalation devices with a reduced risk of blockage

Details Inhalation devices with a reduced risk of blockage Inhalation devices with a reduced risk of blockage

1992-10-07

1994-09-27

Burr, Edgar S.

Surgery

Liquid medicament atomizer or sprayer

12820023, A61M 1100

Patent

active

053499441

ABSTRACT:
An aerosol inhalation device, having a mouthpiece (12) and a canister (15) of pressurized hygroscopic medicament, the canister (15) being fitted at one end with a dispensing metering valve; wherein a protective barrier (19) is provided between the dispensing metering valve and the mouthpiece (12) so as to eliminate or substantially reduce blockage of the device.

REFERENCES:
patent: 1892750 (1933-01-01), Rotheim
patent: 3739950 (1973-06-01), Gorman
patent: 3994421 (1976-11-01), Hansen
patent: 4052985 (1977-10-01), Coleman et al.
patent: 4130116 (1978-12-01), Cavazza
patent: 4796614 (1989-01-01), Nowacki et al.
patent: 4940051 (1990-07-01), Lankinen
patent: 5027808 (1991-07-01), Rich et al.
patent: 5060643 (1991-10-01), Rich et al.
patent: 5134993 (1992-08-01), van der Linden et al.

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