Position sensitive illumination system
First Claim
Patent Images
1. An air delivery system comprising:
- a flow generator;
a patient interface coupled to the flow generator to receive pressurized gas via an air delivery conduit positioned between the flow generator and the patient interface; and
a position sensitive illumination system which is mounted on the patient interface, wherein the position sensitive illumination system comprisesan illumination source;
at least one sensor that selectively activates the illumination source based on positioning of the patient in use; and
a patient interface that supports at least one of the illumination source and the sensor, wherein the at least one sensor activates the illumination source when the patient is in a sitting or standing upright position and deactivates the illumination source when the patient is in a supine, prone, lateral or oblique position.
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Abstract
A position sensitive illumination system for a patient includes an illumination source and at least one sensor structured and configured to selectively activate the illumination source in dependence of movement of the patient. Illumination source and/or sensor may be provided to one or more portions of a patient interface, e.g., a mask assembly, to thereby allow automatic activation of the illumination source when the patient moves to a predetermined position. Illumination source provides a directed lighted path for the patient as the patient moves about, e.g., during nocturnal visits to the bathroom, thereby avoiding the awakening of a bed partner.
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Citations
52 Claims
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1. An air delivery system comprising:
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a flow generator; a patient interface coupled to the flow generator to receive pressurized gas via an air delivery conduit positioned between the flow generator and the patient interface; and a position sensitive illumination system which is mounted on the patient interface, wherein the position sensitive illumination system comprises an illumination source; at least one sensor that selectively activates the illumination source based on positioning of the patient in use; and a patient interface that supports at least one of the illumination source and the sensor, wherein the at least one sensor activates the illumination source when the patient is in a sitting or standing upright position and deactivates the illumination source when the patient is in a supine, prone, lateral or oblique position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 44)
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41. A position sensitive illumination system for a patient, comprising:
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a patient interface that engages the head of the patient in use, the patient interface comprising a support that engages the forehead of the patient in use; an illumination source supported by the patient interface support; and a first tilt switch and a second tilt switch supported by the support, wherein open circuit ends of the first tilt switch and the second tilt switch point towards a centerline of the patient in use and are provided at a first angle of about 50°
-90°
from each other, the first tilt switch and the second tilt switch are each provided at a second angle of about 25°
-40°
to vertical when the patient is in an upright position, and the first tilt switch and the second tilt switch close a circuit connected to the illumination source when both are in a closed position to illuminate the illumination source. - View Dependent Claims (42, 43, 45, 46, 47, 48, 49, 50, 51)
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52. An air delivery system comprising:
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a flow generator; a patient interface coupled to the flow generator to receive pressurized gas via an air delivery conduit positioned between the flow generator and the patient interface; and a position sensitive illumination system which is mounted on the patient interface, wherein the position sensitive illumination system comprises an illumination source; a first tilt switch and a second tilt switch supported by the support, wherein open circuit ends of the first tilt switch and the second tilt switch point towards a centerline of the patient in use and are provided at a first angle of about 50°
-90°
from each other, the first tilt switch and the second tilt switch are each provided at a second angle of about 25°
-40°
to vertical when the patient is in an upright position, and the first tilt switch and the second tilt switch close a circuit connected to the illumination source when both are in a closed position to illuminate the illumination source.
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Specification