Invention Grant
- Patent Title: Photoacoustic wave measuring apparatus
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Application No.: US13820680Application Date: 2011-09-06
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Publication No.: US10092187B2Publication Date: 2018-10-09
- Inventor: Shigeru Ichihara , Shuichi Kobayashi
- Applicant: Shigeru Ichihara , Shuichi Kobayashi
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Fitzpatrick, Cella, Harper & Scinto
- Priority: JP2010-216624 20100928
- International Application: PCT/JP2011/004972 WO 20110906
- International Announcement: WO2012/042753 WO 20120405
- Main IPC: G01N21/17
- IPC: G01N21/17 ; A61B5/00 ; G01N29/24

Abstract:
A photoacoustic wave measuring apparatus, having: a probe including a plurality of devices which detect an acoustic wave generated by irradiating light onto an object; and a signal processor which acquires information about the object on the basis of an acoustic wave received by the devices, wherein the light is irradiated onto the object from the probe side; the probe includes: bright-field devices having a view angle covering a bright-field illumination area, which is an area where the light is irradiated, on the probe-side surface of the object; and dark-field devices having a field of view which does not cover the bright-field illumination area; and the signal processor uses an acoustic wave received by the dark-field devices when acquiring information about the object on the basis of a acoustic wave received before a predetermined time period is elapsed since the irradiation of light onto the object.
Public/Granted literature
- US20130160559A1 PHOTOACOUSTIC WAVE MEASURING APPARATUS Public/Granted day:2013-06-27
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