Process for switching the inspiration or expiration phase during CPAP therapy
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United States of America Patent
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-
Nov 20, 2001
Grant Date -
N/A
app pub date -
Sep 7, 1999
filing date -
Feb 17, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of changing to the inhalation or exhalation phase in the CPAP therapy is provided. By means of a first, high threshold value and a second, low threshold value, nonspecific influences on the first derivative of the gas flow curve are suppressed in the respective breathing phase and the transition to the respective next gas phase is determined with high sensitivity. The advantages of the invention are in a higher precision of the changing operation and in a greater safety for the patient.
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