Positive pressure breathing assembly and demand regulator theref

Details Positive pressure breathing assembly and demand regulator theref Positive pressure breathing assembly and demand regulator theref

1992-03-16

1993-12-21

Burr, Edgar S.

Surgery

Respiratory method or device

Face mask covering a breathing passage

12820524, 12820227, 12820621, A62B 1810, A62B 904

Patent

active

052713903

ABSTRACT:
A self-contained breathing assembly of the positive pressure type including a remotely positioned improved pressure demand regulator for substantially instantaneous response for breathing air having reduced operating parts substantially reducing potential breakdown and wherein there is provided a gas flow disconnect assembly between the user facepiece and gas conduits.

REFERENCES:
patent: 279265 (1883-06-01), Nevius
patent: 1019787 (1912-03-01), Guiley
patent: 3308815 (1967-03-01), Wilcox
patent: 4126131 (1978-11-01), Davis
patent: 4245631 (1981-01-01), Wilkinson
patent: 4250876 (1981-02-01), Kranz
patent: 4741332 (1988-05-01), Beaussant
patent: 4997217 (1991-03-01), Kunze
patent: 5097826 (1992-03-01), Gray

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