ORO-NASAL PATIENT INTERFACE FOR TREATING SLEEP DISORDERED BREATHING
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United States of America Patent
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Issued Date -
Dec 2, 2021
app pub date -
Feb 18, 2019
filing date -
Feb 18, 2019
priority date (Note) -
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Abstract
A patient interface (200, 300) comprising: a seal-forming structure (210, 220, 310, 320) including a face-engaging surface that is personalised to the patient's facial contour and to form a seal with the patient's face at least on or below the bridge of the patient's nose and between the patient's lower lip and on or above the patient's chin, preferably proximal to the patient's mentolabial crease, the face-engaging surface including at least one nare port (211, 311) shaped and sized to align with the patient's nares; an anterior surface (205, 305) including a connection port; wherein the seal-forming structure (210, 220, 310, 320) is non-deformable in response to headgear tension or pressurised air received within the seal-forming structure (210, 220, 310, 320).
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