Breathing valve

Details Breathing valve Breathing valve

1989-01-23

1990-11-20

Burr, Edgar S.

Surgery

Respiratory method or device

Respiratory gas supply means enters mouth or tracheotomy...

12820714, A61M 1600

Patent

active

049710540

ABSTRACT:
The invention is directed to a breathing valve for patients requiring humidication and filtration of breathing air inhaled via tracheostomas and tracheal tubes. The breathing valve includes a valve body, a filter removably placeable inside the valve body, a cup-shaped cap attached over the opening of the valve body and a disc-shaped membrane disposed in front of the filter in the path of the inspired air. The breathing valve is intended to be a complete system. The system can be easily disassembled and components can be replaced by the user as required and this applies especially to the filter.

REFERENCES:
patent: 2804076 (1957-08-01), Giraudon
patent: 3066674 (1962-12-01), Capra
patent: 3137299 (1964-06-01), Tabor
patent: 3683931 (1972-08-01), Chelucci et al.
patent: 3827440 (1974-08-01), Birch et al.
patent: 4044793 (1977-08-01), Krueger et al.
patent: 4064882 (1977-12-01), Johnson et al.
patent: 4538607 (1985-09-01), Saul
patent: 4759356 (1988-07-01), Muir
patent: 4763645 (1988-08-01), Kapp
patent: 4774945 (1988-10-01), White et al.
patent: 4809693 (1989-03-01), Rangoni et al.
patent: 4817598 (1989-04-01), La Bombard

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