EXTERNAL SENSOR ARRANGEMENT FOR PATIENT INTERFACE
First Claim
Patent Images
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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Abstract
A patient interface mask for use with a breathing assistance apparatus includes a seal that, in use, circumscribes a nose, mouth, or nose and mouth of a patient and defines an interior space of the mask. The mask includes an inlet into the interior space and an outlet from the interior space. A sensor is positioned outside of the interior space and in the path of exit gases exiting the interior space through the outlet. The sensor detects a parameter of the exit gases, such as temperature, humidity or both.
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Citations
13 Claims
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1. A patient interface mask for use with a breathing assistance apparatus, comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification