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    • 2. 发明申请
    • PHOTOACOUSTIC APPARATUS AND CONTROL METHOD THEREOF
    • 光电设备及其控制方法
    • US20140018645A1
    • 2014-01-16
    • US14007447
    • 2012-03-29
    • Yoshiko WadaTakuji Oishi
    • Yoshiko WadaTakuji Oishi
    • A61B5/1455A61B5/00A61B5/145
    • A61B5/14552A61B5/0095A61B5/02007A61B5/14532A61B5/14542A61B5/489G01N21/1702
    • A used photoacoustic apparatus includes: a light source capable of individually emitting light having a first wavelength at which absorption coefficients of oxyhemoglobin and deoxyhemoglobin are equal and light having a second wavelength; an acoustic detector that receives acoustic waves generated when the light having the first and second wavelengths is absorbed by an object; an absorption coefficient distribution generator that determines absorption coefficient distributions of an object interior; a blood vessel position determining unit that determines a blood vessel position from an absorption coefficient distribution corresponding to the first wavelength; an organism characteristics distribution calculator that determines an organism characteristics distribution from the absorption coefficient distributions; and a trimming unit that trims the organism characteristics distribution in accordance with the blood vessel position.
    • 所使用的光声装置包括:能够单独发射具有氧合血红蛋白和脱氧血红蛋白的吸收系数相等的第一波长的光和具有第二波长的光的光源; 声学检测器,其接收当具有第一和第二波长的光被物体吸收时产生的声波; 吸收系数分布发生器,其确定物体内部的吸收系数分布; 血管位置确定单元,根据与所述第一波长对应的吸收系数分布来确定血管位置; 根据吸收系数分布确定生物体特征分布的生物体特征分布计算器; 以及根据血管位置修剪生物体特征分布的修剪单元。
    • 5. 发明申请
    • OBJECT INFORMATION ACQUIRING APPARATUS
    • 对象信息获取设备
    • US20120278010A1
    • 2012-11-01
    • US13393954
    • 2011-11-24
    • Yoshiko Wada
    • Yoshiko Wada
    • G01N29/44
    • A61B8/5269A61B8/4483G01S7/52026G01S7/52046G01S7/5205G01S15/8915
    • The present invention provides an object information acquiring apparatus having: a probe which includes a plurality of elements that receive an acoustic wave propagated through an object to generate element signals; a pseudo-signal generator which computes a phase shift between element signals received by at least two elements out of the plurality of elements, and generates a pseudo-signal assumed to be received at a position on the probe that is different from the positions of the elements which have received the element signals in use a result of computation; and a signal processor which obtains object information based on the element signals received by the plurality of elements and the pseudo-signal.
    • 本发明提供一种对象信息获取装置,具有:探头,其包括接收通过对象传播的声波以产生元素信号的多个元件; 伪信号发生器,其计算由所述多个元素中的至少两个元素接收的元素信号之间的相移,并且生成假设在所述探测器上的与所述多个元素的位置不同的位置处接收的伪信号 在使用中已经接收到元素信号的元素是计算结果; 以及信号处理器,其基于由所述多个元件接收的元素信号和所述伪信号获取对象信息。
    • 6. 发明申请
    • ACOUSTIC WAVE ACQUISITION APPARATUS
    • 声波采集设备
    • US20140086016A1
    • 2014-03-27
    • US13984415
    • 2012-02-06
    • Yoshiko Wada
    • Yoshiko Wada
    • G01N21/17
    • G01N21/1702A61B5/0095
    • In a conventional device, light is irradiated from positions on a rotation axis of a detector, so that there may be unevenness of light irradiation intensity in a subject.The acoustic wave acquisition apparatus of the present invention includes a light source that generates light and a detector including a plurality of elements that receive an acoustic wave generated from inside a subject when the subject is irradiated with the light. The acoustic wave acquisition apparatus further includes a rotation driving unit that rotates the detector and a plurality of light irradiation portions that irradiate the subject with the light from the light source. The plurality of light irradiation portions are provided at least at positions other than a rotation axis of the detector.
    • 在传统的装置中,从检测器的旋转轴上的位置照射光,使得受试者的光照射强度不均匀。 本发明的声波获取装置包括产生光的光源和包括多个元件的检测器,所述多个元件在受试者被照射光时接收从对象内部产生的声波。 声波获取装置还包括旋转驱动单元,该旋转驱动单元使来自光源的光旋转检测器和照射被摄体的多个光照射部。 多个光照射部至少设置在除了检测器的旋转轴线以外的位置。
    • 10. 发明授权
    • Acoustic wave acquisition apparatus
    • 声波采集仪
    • US09417179B2
    • 2016-08-16
    • US13984415
    • 2012-02-06
    • Yoshiko Wada
    • Yoshiko Wada
    • G01V1/18G01N21/17A61B5/00
    • G01N21/1702A61B5/0095
    • In a conventional device, light is irradiated from positions on a rotation axis of a detector, so that there may be unevenness of light irradiation intensity in a subject.The acoustic wave acquisition apparatus of the present invention includes a light source that generates light and a detector including a plurality of elements that receive an acoustic wave generated from inside a subject when the subject is irradiated with the light. The acoustic wave acquisition apparatus further includes a rotation driving unit that rotates the detector and a plurality of light irradiation portions that irradiate the subject with the light from the light source. The plurality of light irradiation portions are provided at least at positions other than a rotation axis of the detector.
    • 在传统的装置中,从检测器的旋转轴上的位置照射光,使得受试者的光照射强度不均匀。 本发明的声波获取装置包括产生光的光源和包括多个元件的检测器,所述多个元件在受试者被照射光时接收从对象内部产生的声波。 声波获取装置还包括旋转驱动单元,该旋转驱动单元使来自光源的光旋转检测器和照射被摄体的多个光照射部。 多个光照射部至少设置在除了检测器的旋转轴线以外的位置。