Patient interface comprising a gas washout vent

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United States of America Patent

PATENT NO 11980716
APP PUB NO 20200353189A1
SERIAL NO

16941714

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Abstract

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A gas washout vent for a patient interface may be configured to allow a flow of patient exhaled gas to an exterior of the patient interface to minimise rebreathing of exhaled gas by the patient and the vent may include: a plurality of vent passages extending between a first and a second side of the vent, each vent passage may include: a plurality of first openings extending from the first side towards the second side, said first openings being uniform in size and shape; a plurality of second openings extending from the second side towards the first side, said second openings being uniform in size and shape; and wherein the first openings and the second openings partially overlap each other at an interface to form constricted passages therebetween.

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Patent Owner(s)

Patent OwnerAddress
RESMED PTY LTD1 ELIZABETH MACARTHUR DRIVE BELLA VISTA NEW SOUTH WALES 2153

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lee, Cheoung Hong Singapore, SG 10 36
Yew, Robin Singapore, SG 20 62

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