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. 17, 2015
Filed:
Jul. 25, 2013
Applicant:
Medtronic Minimed, Inc., Northridge, CA (US);
Inventors:
David R. Markle, Berwyn, PA (US);
Jeff T. Suri, Rancho Santa Margarita, CA (US);
Ritchie A. Wessling, Watsonville, CA (US);
Matthew A. Romey, Aliso Viejo, CA (US);
Assignee:
Medtronic Minimed, Inc., Northridge, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/1455 (2006.01); A61B 5/145 (2006.01); G01N 33/66 (2006.01); G01N 33/84 (2006.01); A61B 5/1459 (2006.01);
U.S. Cl.
CPC ...
A61B 5/14532 (2013.01); G01N 33/66 (2013.01); G01N 33/84 (2013.01); A61B 5/1451 (2013.01); A61B 5/14539 (2013.01); A61B 5/1459 (2013.01); G01N 2400/00 (2013.01);
Abstract
Embodiments of the present invention are directed to an optical sensor capable of measuring two analytes simultaneously with a single indicator system. In preferred embodiments, the sensor comprises a fluorescent dye having acid and base forms that facilitate ratiometric pH sensing, wherein the dye is further associated with a glucose binding moiety and configured to generate a signal that varies in intensity with the concentration of glucose.