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, 1985
Filed:
Sep. 28, 1982
Applicant:
Inventor:
Harold A Heitzmann, Costa Mesa, CA (US);
Assignee:
Cardiovascular Devices, Inc., Irvine, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ; G01N / ;
U.S. Cl.
CPC ...
422 55 ; 422 56 ; 422 87 ; 422 91 ;
Abstract
An optical sensor comprising a selectively permeable matrix of hydrophobic material and a plurality of hydrophilic beads dispersed in the matrix. At least some of the beads carry an optical indicator. The matrix is capable of transmitting light at least at selected wavelengths from outside the matrix to the beads.