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非侵入式对象信息成像方法和装置
Non-invasive subject-information imaging method and apparatus
US-8353830-B2一种结合光声和超声成像的医疗设备。
专利摘要
根据本发明的非侵入式对象信息成像装置包括：光产生单元，产生包含特定波长成分的光；光照射单元，将产生的光照射到对象中；波导单元，将光从光产生单元引导至照射单元；多个二维排列的电声换能器元件；发送/接收单元，通过驱动电声换能器元件向对象发送超声波，并从电声换能器元件转换的电信号产生接收信号；以及信号处理单元，通过处理对应于光照射在对象中产生的声波的接收信号，生成关于活体功能的体积数据，并通过处理对应于超声波发送在对象中产生的回波的接收信号，生成关于组织形态的体积数据。
Original abstractA non-invasive subject-information imaging apparatus according to this invention includes a light generating unit which generates light containing a specific wavelength component, a light irradiation unit which radiates the generated light into a subject, a waveguide unit which guides the light from the light generating unit to the irradiation unit, a plurality of two-dimensionally arrayed electroacoustic transducer elements, a transmission/reception unit which transmits ultrasonic waves to the subject by driving the electroacoustic transducer elements, and generates a reception signal from electrical signals converted by electroacoustic transducer elements, and a signal processing unit which generates volume data about a living body function by processing a reception signal corresponding to acoustic waves generated in the subject by light irradiation, and generates volume data about a tissue morphology by processing a reception signal corresponding to echoes generated in the subject upon transmission of the ultrasonic waves.
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