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EXTERNAL SENSOR ARRANGEMENT FOR PATIENT INTERFACE

  • US 20150238716A1
  • Filed: 09/09/2013
  • Published: 08/27/2015
  • Est. Priority Date: 09/14/2012
  • Status: Active Grant
First Claim
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1. A patient interface mask for use with a breathing assistance apparatus, comprising:

  • a seal that, in use, circumscribes a nose, mouth, or nose and mouth of a patient and defines an interior space of the mask;

    an inlet into the interior space;

    an outlet from the interior space; and

    a sensor that is positioned outside of the interior space and in the path of exit gases exiting the interior space through the outlet, wherein the sensor detects a parameter of the exit gases.

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