03972327 is referenced by 83 patents and cites 11 patents.

A respirator used to replace or assist the respiratory function and automatically regulate the respiration gas flow and pressure during the inspiration phase and expiration phase comprising means for measuring the flow and pressure of respiration gas and providing electrical output signals, valve means including an adjustable valve for controlling the flow and pressure of respiration gas past the measuring means, and electronic regulating means connected with the measuring means and valve means for comparing the electrical signals with predetermined values including standard values and for generating a regulating signal for adjusting the valve means.

Title
Respirator
Application Number
343779
Publication Number
3972327
Application Date
November 7, 1974
Publication Date
August 3, 1976
Inventor
Albert Guenin
Therwil
CH
Heini Ernst
Witterswil
CH
Agent
Mark L Hopkins
Bernard S Leon
Samuel L Welt
Assignee
Hoffmann La Roche
NJ, US
IPC
A61M 16/00
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