Patent ID: 9656038
Date: 2017-05-23
CPC Classifications: A61M,B33Y,D03D,D10B,F16L

Claim:
1. An air delivery conduit for use with a mask system to deliver a supply of pressurized air to a patient's face, comprising: a textile forming a tubular member adapted to deliver pressurized air, the textile being wound in a helical arrangement about the longitudinal axis of the tubular member and including a warp and a weft, the warp being arranged to follow the direction of the helix of the helical arrangement, the weft being arranged to extend in a direction substantially the same as a direction of the longitudinal axis, wherein characteristics of the warp and the weft are selected to provide the tubular member with increased stretchability along the longitudinal axis and increased resistance to twisting about the longitudinal axis, wherein the weft comprises threads that are more elastic than threads of the warp, and wherein a first end of the tubular member is configured to attach to the mask system.