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.

Date of Patent:
Aug. 18, 2020

Filed:

May. 19, 2016
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Kengo Kanazaki, Yokohama, JP;

Tatsuki Fukui, Yokohama, JP;

Satoshi Yuasa, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/00 (2006.01); A61B 5/145 (2006.01);
U.S. Cl.
CPC ...
A61B 5/0095 (2013.01); A61B 5/14542 (2013.01); A61B 5/7203 (2013.01); A61B 5/14546 (2013.01);
Abstract

A photoacoustic device comprises a light source configured to generate first and second lights; an irradiation unit configured to generate a first acoustic wave from an object including a contrast agent by irradiating the object with the first light, and then bleach the contrast agent by irradiating the object with the second light and generate a second acoustic wave from the object by irradiating the object with the first light after bleaching; a receiving unit configured to output a first signal upon receiving the first acoustic wave and output a second signal upon receiving the second acoustic wave; and an acquisition unit configured to acquire first information based on the first signal, and acquire second information based on the second signal.


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