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:
Oct. 12, 2010
Filed:
Sep. 19, 2006
Applicants:
Mahmoud Janbakhsh, San Ramon, CA (US);
Mark Jacobus Van Kerkwyk, Fremont, CA (US);
Inventors:
Mahmoud Janbakhsh, San Ramon, CA (US);
Mark Jacobus Van Kerkwyk, Fremont, CA (US);
Assignee:
Nellcor Puritan Bennett LLC, Boulder, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A gas exhaust system for a mask apparatus for use in a breathing assistance system may include a housing for supporting a cushion configured to provide a seal against a patient's face, the housing defining a housing opening, and a ball member secured in the housing opening such that the ball member may rotate relative to the housing. One or more exhaust passageways for communicating exhaust gas away from the patient may be defined between an outer surface of the ball member and the housing opening.