Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1992-09-29
1994-04-05
Burr, Edgar S.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
12820426, 12820429, 12820513, 12820522, A61M 1600, A62B 704
Patent
active
052995674
ABSTRACT:
This invention comprises a minimal elastance underwater breathing apparatus UBA) in which the elastance component of UBA impedance is substantially eliminated by forcing the breathing bag to expand and contract in a horizontal plane with small vertical displacements and hence minimal elastance. The invention further includes a servo-mechanism operating with a microprocessor, 3-axis position sensor and rotatable joints which act to keep the breathing bag oriented horizontally no matter what the diver's position. The principles of the present invention may be adapted to existing UBA with redesign and additions.
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Joye et al, Formulation of Elastic Loading . . . ; NMRI Nov. 1989.
Carlson Neal A.
Joye Donald D.
Burr Edgar S.
Garvert William C.
Raciti Eric P.
Spevack A. David
The United States of America as represented by The Secretary of
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