PHOTOACOUSTIC APPARATUS

PROBLEM TO BE SOLVED: To provide a photoacoustic apparatus capable of suppressing the effect of an intravascular blood volume on the accuracy of acquired subject information.SOLUTION: The photoacoustic apparatus disclosed herein sets a light irradiation timing such that a subject is at least once ir...

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Bibliographic Details
Main Authors OKOBA MINORU, OSANAGA KENICHI, OKA KAZUHITO
Format Patent
LanguageEnglish
Japanese
Published 02.06.2016
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Summary:PROBLEM TO BE SOLVED: To provide a photoacoustic apparatus capable of suppressing the effect of an intravascular blood volume on the accuracy of acquired subject information.SOLUTION: The photoacoustic apparatus disclosed herein sets a light irradiation timing such that a subject is at least once irradiated with pulsed light during a period from a start timing determined based on the occurrence timing of an R wave of an electrocardiogram signal until first time between the occurrence timing of the R wave of the electrocardiogram signal and an occurrence timing of a T wave of the electrocardiogram signal elapses and the subject is not irradiated with pulsed light during the time other than the period from the start timing until the first time elapses.SELECTED DRAWING: Figure 2 【課題】 本発明は、血管内の血液量による、取得される被検体情報の精度への影響を抑制することのできる光音響装置を提供することを目的とする。【解決手段】 本明細書が開示する光音響装置は、心電図信号のＲ波の発生タイミングに基づいて決定される開始タイミングから、心電図信号のＲ波の発生タイミングと心電図信号のＴ波の発生タイミングとの間の第一の時間が経過するまでの期間に、被検体にパルス光を少なくとも１回照射するように光照射タイミングを設定し、開始タイミングから第一の時間が経過するまでの期間以外には、被検体にパルス光を照射しないように光照射タイミングを設定する。【選択図】 図２
Bibliography:Application Number: JP20140242455