Determining patency of airways from complex admittance by applying oscillating air flow for apnoea / apnea patients

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专利权人:

RESMED LIMITED

发明人:

BASSIN, DAVID, JOHN,OATES, JOHN, DAVID,HUBY, RONALD, JAMES,GOELDI, BENRIAH

申请号：

NZ59637907

公开号：

NZ596379A

申请日:

2007.08.30

申请国别(地区):

NZ

年份:

2013

代理人:

摘要：

Disclosed is an apparatus for determining the degree of patency of the airway of a patient. The apparatus includes an airflow generator (34) adapted to apply an oscillatory pressure waveform of known frequency and magnitude to the patient's airway. The apparatus also includes an arrangement for determining the complex admittance of respiratory air flow from the patient. The apparatus further includes a controlling device (62) configured to determine the degree of patency as the deviation of the complex admittance from the centroid of a patency region.

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