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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0093131 (1993-01-29) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 299 인용 특허 : 0 |
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 continual
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.
Method for adaptively providing continuous positive airway pressure in an upper airway system said method comprising the steps of: detecting airflow in the upper airway system in predetermined increments of time during a breath to provide an airflow profile for the breath; averaging said airflow inf
Method for adaptively providing continuous positive airway pressure in an upper airway system said method comprising the steps of: detecting airflow in the upper airway system in predetermined increments of time during a breath to provide an airflow profile for the breath; averaging said airflow information over a plurality of breaths; distinguishing respiratory and non-respiratory components of said airflow using said averaged airflow information; using non-respiratory airflow information to identify periods of inspiration and expiration and to provide a respiratory airflow profile; extracting from the respiratory airflow profile information a first peak inspiratory airflow and a first airflow profile; introducing a pressure change to a second pressure, which produces a second peak inspiratory airflow and a second airflow profile; comparing the first and second peak inspiratory airflow and the first and second airflow profile; and preventing a patient disturbance from occurring by setting pressure in said upper airway system using said comparison.
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