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:
Apr. 07, 2020
Filed:
Nov. 04, 2013
Theravent, Inc., San Jose, CA (US);
Benjamin K. Cline, Vancouver, CA;
Ronald G. French, Santa Clara, CA (US);
Frank W. Wang, San Bruno, CA (US);
Rajiv Doshi, Los Altos, CA (US);
Ryan K. Pierce, Carl Junction, MO (US);
Theravent, Inc., San Jose, CA (US);
Abstract
Described herein are passive nasal respiratory devices, in particular, passive nasal respiratory devices configured to achieve positive end-expiratory pressure (PEEP) in a subject wearing the device. PEEP devices may have a threshold pressure for opening during expiration. These devices may include a flap valve that opens on inhalation nested with a spring valve that opens when exhalation pressure exceeds a predetermined threshold. The device may be configured to be comfortably worn by a sleeping subject.