Method and apparatus for detection of breathing gas...

Details Method and apparatus for detection of breathing gas... Method and apparatus for detection of breathing gas...

A - Human Necessities

61

M

340/145, 326/13.

A61M 16/00 (2006.01)

Patent

CA 1215155

METHOD AND APPARATUS FOR DETECTION OF BREATHING GAS INTERRUPTIONS Abstract of the Invention A method for detecting an interruption in the supply of breathing gas to a patient, and apparatus adapted to carry out the method by: (a) during a reference time period, sensing the pressure in the patient's breathing gas; (b) storing, in memory apparatus, reference breathing information derived from the pressure sensed during the reference time period, (c) after the reference time period, sensing the pressure in the patient's breathing gas; (d) comparing active breathing information derived from the pressure sensed after the reference time period with the reference breathing information; and, (e) producing an alarm signal upon detection, during the comparing step, of predetermined variations between the reference breathing information and the active breathing information.

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