The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 03, 2015
Filed:
Jan. 12, 2006
Applicants:
Lee James Veliss, West Ryde, AU;
Philip Thomas Stallard, Denistone, AU;
Inventors:
Lee James Veliss, West Ryde, AU;
Philip Thomas Stallard, Denistone, AU;
Assignee:
ResMed Limited, Bella Vista, AU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 16/06 (2006.01); A62B 18/02 (2006.01); A61M 16/08 (2006.01);
U.S. Cl.
CPC ...
A61M 16/06 (2013.01); A61M 16/0633 (2013.01); A61M 16/0683 (2013.01); A61M 16/0816 (2013.01); A61M 2205/42 (2013.01);
Abstract
A washout vent for a mask for use with a system for supplying breathable gas pressurized above atmospheric pressure to an airway of a mammal. The washout vent includes a vent orifice adapted for gas washout. The orifice includes one or more features that contribute to noise reduction, such as a channel with converging walls towards atmosphere, and/or a channel having one or more walls provided with surface treatment and/or contouring, such as roughening and/or scalloped portions.