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:
Jun. 05, 2018
Filed:
Sep. 27, 2012
Applicant:
Koninklijke Philips N.v., Eindhoven, NL;
Inventor:
Steven Charles Stegman, Eindhoven, NL;
Assignee:
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 16/06 (2006.01); A61M 16/00 (2006.01); A61M 16/08 (2006.01);
U.S. Cl.
CPC ...
A61M 16/0622 (2014.02); A61M 16/0003 (2014.02); A61M 16/0051 (2013.01); A61M 16/0057 (2013.01); A61M 16/06 (2013.01); A61M 16/0633 (2014.02); A61M 16/0605 (2014.02); A61M 16/0683 (2013.01); A61M 16/0816 (2013.01); A61M 2016/0661 (2013.01); A61M 2205/0288 (2013.01);
Abstract
A cushion () for use with a mask () in delivering a flow of breathing gas to a user includes a first portion adapted to contact a surface of a user, a second portion adapted to be coupled to a mask shell (), and a wall portion extending between the first portion and the second portion. The wall portion includes a chamber formed therein, the chamber having one of an electro-rheological fluid or a magneto-rheological fluid disposed therein. The cushion further includes a means () for selectively varying the apparent viscosity of the fluid disposed within the chamber.