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:
Dec. 10, 2019
Filed:
Oct. 16, 2015
Applicant:
Nitto Denko Corporation, Osaka, JP;
Inventors:
Jie Cai, Oceanside, CA (US);
Qianxi Lai, Carlsbad, CA (US);
Ekambaram Sambandan, Carlsbad, CA (US);
Evan Miller, Springfield, OR (US);
Assignee:
Nitto Denko Corporation, Osaka, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 33/00 (2006.01); A61B 5/087 (2006.01); G01N 33/497 (2006.01); A61B 5/08 (2006.01); A61B 5/097 (2006.01);
U.S. Cl.
CPC ...
G01N 33/0016 (2013.01); A61B 5/082 (2013.01); A61B 5/0803 (2013.01); A61B 5/087 (2013.01); A61B 5/097 (2013.01); G01N 33/0047 (2013.01); G01N 33/497 (2013.01); G01N 33/0036 (2013.01); G01N 2033/4975 (2013.01);
Abstract
A breath sensor apparatus for detecting the presence of a compound in an exhaled gas sample, the apparatus comprising a chamber for retaining a gas sample, the chamber defining a gas inlet and a gas outlet, a sensor inside the chamber for analyzing the gas sample, an airflow disrupting element disposed proximate to the sensor to affect the airflow near the device, and an airflow reducing element disposed over the gas outlet to increase the retention time of the gas sample within the chamber.