Valve for a pressure breathing system which accomplishes the Val

Details Valve for a pressure breathing system which accomplishes the Val Valve for a pressure breathing system which accomplishes the Val

1993-10-13

1995-11-21

Asher, Kimberly L.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820525, 12820712, A62B 902, A62B 1802

Patent

active

054677661

ABSTRACT:
A pressurized breathing system enabling the execution of the Valsalva maneuver. A breathing mask has an inhalation valve and an exhalation valve. A Valsalva valve when in its normal position does not interfere with the regular performance of the system. When it is activated, it holds the exhalation valve closed. An exhalation effort of the wearer then accomplishes the Valsalva maneuver against the closed inhalation valve.

REFERENCES:
patent: 4354520 (1982-10-01), Easley, Jr.
patent: 4606340 (1986-08-01), Ansite
patent: 4667667 (1987-05-01), Schnoor et al.
patent: 4832011 (1989-05-01), Busch
patent: 4926853 (1990-05-01), Meunier
patent: 5299448 (1994-04-01), Maryyanek

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