PATIENT INTERFACE SYSTEMS
3 Assignments
0 Petitions
Accused Products
Abstract
A headgear for use with a patient interface for delivering a flow of breathable gas to a patient includes at least a strap (741) adapted to position the patient interface in sealing engagement with the patient'"'"'s airways. The strap is constructed from an elastomer and a first side of the strap includes a first region (215) on a portion of its surface that is textured to reduce friction with objects contacting the strap. A textured surface coating for a portion of an elastomer strap included in a headgear system is adapted to contact the skin of a patient, when in use, and the coating has a Ra value greater than zero. A vent (500) for use with a patient interface for delivering a flow of breathable gas to a patient includes a plurality of rises (580) and runs (570) in a stepped arrangement; and a plurality of holes (510) in the stepped arrangement for the venting of gas.
112 Citations
40 Claims
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1-20. -20. (canceled)
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21. A vent for use with a patient interface for delivering a flow of breathable gas to a patient, comprising:
a plurality of adjacent rows of holes arranged in a progressively displaced stepped configuration comprising at least one run and rise for venting of gas. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
Specification