Patent ID: 9339621
Filing Date: 2016-05-17
CPC Classification: A61M

Claim Text:
1. A mask for delivering a supply of gases to a user comprising: a hollow body having a front side and a back side, the hollow body comprising two or more sections configured to be joined together and a plurality of holes configured to act as an expiratory vent for gases exhaled by the user into the mask, wherein the plurality of holes are formed when the two or more sections are joined together, wherein a first portion of each of the plurality of holes is formed at an edge of a first of the two or more sections and a second portion of each of the plurality of holes is formed at an edge of a second of the two or more sections configured to be adjacent the edge of the first of the two or more sections; a mask cushion coupled to the back side of the hollow body and configured to contact a face of the user in use; and a gases inlet configured to receive gases from a conduit.