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.:

US 8040526 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 18, 2011

Filed:

Dec. 14, 2010
Applicants:

Peter Kiesel, Palo Alto, CA (US);

Oliver Schmidt, Palo Alto, CA (US);

Michael Bassler, Menlo Park, CA (US);

Richard H. Bruce, Los Altos, CA (US);

Noble M. Johnson, Menlo Park, CA (US);

Inventors:

Peter Kiesel, Palo Alto, CA (US);

Oliver Schmidt, Palo Alto, CA (US);

Michael Bassler, Menlo Park, CA (US);

Richard H. Bruce, Los Altos, CA (US);

Noble M. Johnson, Menlo Park, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

An implantable product includes an optical cavity structure with first and second parts, each of which can operate as an optical cavity. The first part includes a container with at least one opening through which bodily fluid can transfer between the container's interior and exterior when the product is implanted in a body. The second part includes a container that is closed and contains a reference fluid. The implantable product can also include one or both of a light source component and a photosensing component. Photosensed quantities from the first part's output light can be adjusted based on photosensed quantities from the second part's output light. Both parts can have their light interface surfaces aligned so that they both receive input light from a light source component and both provide output light to a photosensing component.


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