Auto CPAP system and method for preventing patient disturbance using airflow profile information
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United States of America Patent
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Jul 8, 1997
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app pub date -
Jan 29, 1993
filing date -
Nov 14, 1991
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Abstract
The present invention relates to systems and methods for automatically and continuously regulating the level of nasal pressure to an optimal value during OSA (Obstructive Sleep Apnea) treatment. OSA therapy is implemented by a device which automatically re-evaluates an applied pressure and continually searches for a minimum pressure required to adequately distend a patient's pharyngeal airway. For example, this optimal level varies with body position and stage of sleep throughout the night. In addition, this level varies depending upon the patient's body weight and whether or not alcohol or sleeping medicine has been ingested.
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