Photoacoustic measurement apparatus
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United States of America Patent
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Aug 16, 2022
Grant Date -
Jan 10, 2019
app pub date -
Sep 12, 2018
filing date -
Mar 29, 2016
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Abstract
A photoacoustic measurement apparatus includes: a main light source; a sub-light source; a light guide member that guides the light which has been emitted from the main light source and the sub-light source and has been incident on a base end to a leading end; an insert of which at least a leading end portion is inserted into a subject and which includes at least the leading end of the light guide member and a light absorption member that absorbs the pulsed laser light, and generates photoacoustic waves; and a photoacoustic wave detection unit that detects the photoacoustic waves. The photoacoustic measurement apparatus has, as an operation mode, a failure detection mode that drives the sub-light source and detects a failure of a photoacoustic wave generation unit including the light guide member and the light absorption member.
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