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:
Oct. 22, 1991
Filed:
Aug. 22, 1989
Hiromasa Kohno, Fuji, JP;
Masahiro Nudeshima, Fuji, JP;
Terumo Kabushiki Kaisha, Tokyo, JP;
Abstract
An optical sensor probe for emitting light into blood and detecting light reflected by the blood, having one end of a first light transmitting member brought into contact with blood flowing through a conduit, and capable of emitting light into the blood in the conduit by introducing the light into the first light transmitting member from the other end thereof. Part of the light emitted into the blood by the first light transmitting member and reflected by the blood is introduced into the second light transmitting member from one end of the same in contact with the blood and is transmitted to a light detecting device. The end of the second light transmitting member is disposed in a side wall of the conduit at a predetermined distance from the end of the first light transmitting member in contact with the blood.