Breathing aid apparatus in particular for treating sleep apnoea
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 3, 2003
Grant Date -
Jun 28, 2001
app pub date -
Feb 1, 2001
filing date -
Jun 15, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A compressor driven by a motor sends to a nasal mask a breathable gas at a low positive relative pressure whereby the motor is controlled to maintain the pressure in the delivery pipe of the compressor substantially equal to a set point, independently of the inspiration and expiration of the patient, a computer receiving on an input a motor speed signal as a parameter representative of the respiratory activity of the patient and analyzing the motor speed variations whereby the computer will increase the pressure set point if necessary or reduces the pressure set point by a predetermined amount depending upon whether there is a hypopnoea or the absence thereof.
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