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1. (WO2017038037) PHOTOACOUSTIC IMAGE GENERATION DEVICE AND INSERTION OBJECT

Pub. No.:    WO/2017/038037    International Application No.:    PCT/JP2016/003797
Publication Date: Fri Mar 10 00:59:59 CET 2017 International Filing Date: Tue Aug 23 01:59:59 CEST 2016
IPC: A61B 8/13
Applicants: FUJIFILM CORPORATION
富士フイルム株式会社
Inventors: IRISAWA, Kaku
入澤 覚
INOUE, Tomoki
井上 知己
Title: PHOTOACOUSTIC IMAGE GENERATION DEVICE AND INSERTION OBJECT
Abstract:
[Problem] To make it possible, using a photoacoustic image generation device and an insertion object, to evaluate whether a plurality of substances having different absorption wavelengths are present in the periphery of a puncture needle without using a plurality of light sources. [Solution] At least a part of a puncture needle (15) is inserted into a sample. An optical fiber (153) guides light of a first wavelength. A first light emission unit (153a) emits the light guided by the optical fiber (153). An optical fiber (154) guides light of a second wavelength. A second light emission unit (154a) emits the light guided by the optical fiber (154). When light of the first wavelength is emitted from the first light emission unit (153a), a light absorption/conversion member (51) absorbs said light and generates photoacoustic waves. When light of the second wavelength is emitted from the second light emission unit (154a), the light absorption/conversion member (51) absorbs said light and converts the light into light of a third wavelength.