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:
Sep. 08, 1992
Filed:
Dec. 04, 1990
Applicant:
Inventor:
Mark B Knudson, Shoreview, MN (US);
Assignee:
Inomet, Inc., Roseville, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
250341 ; 128633 ; 128664 ; 356 39 ;
Abstract
An apparatus is disclosed for measuring a body fluid constituent. In a preferred embodiment, the apparatus directs light against a tissue containing the constituent and detects an amount of light absorption in a reflected light from said tissue. The amount of absorption is analyzed to determine the amount of constituent in the blood within the tissue.