Patent ID: 11944752
Assignee: KONINKLIJKE PHILIPS N.V.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A cushion member for use in a patient interface device for delivering a flow of breathing gas to an airway of a patient, the cushion member comprising a sealing flap having:
a plurality of dimples defined therein,
wherein the sealing flap has a first thickness between the plurality of dimples,
wherein the sealing flap has a second thickness at each dimple that is less than the first thickness, and
wherein the plurality of dimples are arranged in a pattern such that the sealing flap has one or both of:
a stretch property of a first reference flap having a uniform thickness of the second thickness; and/or
a structural property of a second reference flap having a uniform thickness less than the first thickness and greater than the second thickness.