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1. 发明申请

WO2012137855A1 PHOTOACOUSTIC APPARATUS AND CONTROL METHOD THEREOF 审中-公开
标题翻译：光电设备及其控制方法
公开(公告)号：WO2012137855A1
公开(公告)日：2012-10-11
申请号：PCT/JP2012/059298
申请日：2012-03-29
申请人： CANON KABUSHIKI KAISHA , WADA, Yoshiko , OISHI, Takuji
发明人： WADA, Yoshiko , OISHI, Takuji
IPC分类号： A61B5/00 , A61B5/02 , G01N21/17
CPC分类号： A61B5/14552 , A61B5/0095 , A61B5/02007 , A61B5/14532 , A61B5/14542 , A61B5/489 , G01N21/1702
摘要： 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.
摘要翻译：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。

2. 发明申请

WO2012108172A1 ACOUSTIC-WAVE ACQUISITION APPARATUS 审中-公开
标题翻译： ACOUSTIC-WAVE ACQUISITION装置
公开(公告)号：WO2012108172A1
公开(公告)日：2012-08-16
申请号：PCT/JP2012/000779
申请日：2012-02-06
申请人： CANON KABUSHIKI KAISHA , OISHI, Takuji
发明人： OISHI, Takuji
IPC分类号： A61B8/00 , A61B5/00
CPC分类号： G01N29/26 , A61B5/0095 , A61B8/0825 , A61B8/15 , A61B8/406 , A61B8/4209 , A61B8/429 , A61B8/4444 , A61B8/4494 , A61B8/5215 , A61B8/587
摘要： With a detector in which detection elements are placed in a spherical shape, a uniform resolution area is narrow. An acoustic-wave acquisition apparatus of the present invention is equipped with a detector including a plurality of detection elements that receive acoustic waves from a subject, the receiving surfaces of at least some of the detection elements being at different angles. The apparatus includes a scanning unit configured to move at least one of the subject and the detector to change the relative position of the subject and a highest-resolution area determined depending on the placement of the detection elements.
摘要翻译：利用检测元件以球形放置的检测器，均匀的分辨率区域窄。本发明的声波采集装置配备有检测器，其包括从受检者接收声波的多个检测元件，至少一些检测元件的接收表面处于不同的角度。该装置包括：扫描单元，被配置为移动被检体和检测器中的至少一个，以改变被检体的相对位置以及根据检测元件的位置确定的最高分辨率区域。

3. 发明申请

WO2012035727A1 PHOTOACOUSTIC IMAGING APPARATUS AND CONTROL METHOD THEREOF 审中-公开
标题翻译：照相成像装置及其控制方法
公开(公告)号：WO2012035727A1
公开(公告)日：2012-03-22
申请号：PCT/JP2011/005060
申请日：2011-09-09
申请人： CANON KABUSHIKI KAISHA , OISHI, Takuji
发明人： OISHI, Takuji
IPC分类号： G01N21/17 , A61B5/00
CPC分类号： A61B5/0059 , A61B5/0095 , G01N21/1702 , G01N2021/1706
摘要： A photoacoustic imaging apparatus is used that comprises a light source capable of irradiating light onto an object from a plurality of directions, a detector that detects acoustic waves generated by the object irradiated with light, a calculator that calculates object information from detected acoustic waves, and a generator that generates image data from the object information. The calculator calculates a plurality of object information pieces corresponding to irradiation in respective directions on the basis of acoustic waves at a time of irradiation of light at dissimilar timings from the plurality of directions. The generator selects, for each region and according to a predetermined criterion, image data of increased contrast in a case where a plurality of image data items on the object are generated on the basis of the plurality of object information pieces, and generates image data by combining the image data selected in each region.
摘要翻译：使用光声成像装置，其包括能够从多个方向对物体照射光的光源，检测由被照射光的物体产生的声波的检测器，从检测到的声波计算物体信息的计算器，以及从对象信息生成图像数据的生成器。计算机根据从多个方向的不同定时的光照射时的声波，计算与各个方向的照射对应的多个物体信息。发生器根据多个对象信息片段生成对象的多个图像数据项的情况下，针对每个区域并根据预定标准选择增加的对比度的图像数据，并且通过组合在每个区域中选择的图像数据。

4. 发明申请

WO2016136206A1 PHANTOM 审中-公开
标题翻译：幻影
公开(公告)号：WO2016136206A1
公开(公告)日：2016-09-01
申请号：PCT/JP2016/000853
申请日：2016-02-18
申请人： CANON KABUSHIKI KAISHA
发明人： SUEHIRA, Nobuhito , FURUKAWA, Yukio , OISHI, Takuji
IPC分类号： A61B5/00 , A61B8/00
CPC分类号： A61B5/0095 , A61B8/0825 , A61B8/406 , A61B8/587 , G09B23/286
摘要： In a phantom, a difference in acoustic property between a first target and a base material is smaller than a difference in acoustic property between a second target and the base material, a difference in optical property between the second target and the base material is smaller than a difference in optical property between the first target and the base material, and the first target is provided at a position closer to a measurement surface than the second target.
摘要翻译：在虚线中，第一靶和基材之间的声学特性的差小于第二靶与基材之间的声学特性的差异，第二靶与基材的光学特性的差小于在第一靶和基材之间的光学性质的差异，并且第一靶设置在比第二靶更靠近测量表面的位置。

5. 发明申请

WO2014156408A1 OBJECT INFORMATION ACQUIRING APPARATUS AND CONTROL METHOD THEREOF 审中-公开
标题翻译：获取设备的对象信息及其控制方法
公开(公告)号：WO2014156408A1
公开(公告)日：2014-10-02
申请号：PCT/JP2014/054250
申请日：2014-02-18
申请人： CANON KABUSHIKI KAISHA
发明人： ASAO, Yasufumi , OISHI, Takuji
IPC分类号： A61B5/00
CPC分类号： A61B5/0095 , A61B5/0077 , A61B5/1077 , A61B5/742
摘要： Provided is an object information acquiring apparatus including: a light source; a controller that controls irradiation of light from the light source; a detector that receives an acoustic wave generated from an object onto which light from the light source is irradiated; a processor that generates characteristic information inside the object using the acoustic wave received by the detector; and an acquirer that acquires the shape of the object, wherein the controller controls an irradiation area when light is irradiated from the light source onto the object, based on the shape of the object acquired by the acquirer.
摘要翻译：提供一种对象信息获取装置，包括：光源; 控制器，其控制来自所述光源的光的照射; 接收从被照射来自光源的光的物体产生的声波的检测器; 使用由检测器接收的声波在对象内生成特征信息的处理器; 以及取得器，其获取所述物体的形状，其中，当所述光从所述光源照射到所述物体上时，所述控制器基于由所述获取者获取的所述物体的形状来控制照射区域。

6. 发明申请

WO2012137856A1 PHOTOACOUSTIC MEASURING APPARATUS 审中-公开
标题翻译：光电测量设备
公开(公告)号：WO2012137856A1
公开(公告)日：2012-10-11
申请号：PCT/JP2012/059299
申请日：2012-03-29
申请人： CANON KABUSHIKI KAISHA , OISHI, Takuji , FUKUTANI, Kazuhiko
发明人： OISHI, Takuji , FUKUTANI, Kazuhiko
IPC分类号： A61B5/00 , A61B8/00 , G01N21/17
CPC分类号： A61B5/0095 , A61B5/4312 , A61B5/70 , A61B5/708 , A61B8/0825 , A61B8/4209 , A61B8/4477 , G01N21/1702 , G01N2021/1706 , G01N2021/1787 , G01N2201/10
摘要： A measuring apparatus is provided including a holding unit holding an object, an acoustic detecting unit including at least one detector which receives, via the holding unit, an acoustic wave generated from the object to which light is irradiated and converts the acoustic wave into an electrical signal, and a processor which generates image data of the object by using the electrical signal based on the acoustic wave received by the acoustic detecting unit at first and second measurement locations, wherein the acoustic detecting unit is arranged so as to form an overlapped area that is thicker than the object in a normal direction of an interface between the holding unit and the object as a result of the effective receiving areas of the detector in the first and second measurement locations overlapping in the object.
摘要翻译：提供一种测量装置，包括保持物体的保持单元，声学检测单元，包括至少一个检测器，其经由保持单元接收从被照射的物体产生的声波，并将声波转换成电信号，以及处理器，其通过使用基于在第一和第二测量位置处由声学检测单元接收的声波的电信号来生成对象的图像数据，其中，声学检测单元布置成形成重叠区域，由于检测器在物体中重叠的第一和第二测量位置中的有效接收区域的结果，在保持单元和物体之间的界面的法线方向上比物体厚。

7. 发明申请

WO2015118881A1 PHOTOACOUSTIC APPARATUS AND SIGNAL PROCESSING METHOD 审中-公开
标题翻译：光电设备和信号处理方法
公开(公告)号：WO2015118881A1
公开(公告)日：2015-08-13
申请号：PCT/JP2015/000548
申请日：2015-02-06
申请人： CANON KABUSHIKI KAISHA
发明人： OISHI, Takuji , OKA, Kazuhito
IPC分类号： A61B5/00 , A61B8/08
CPC分类号： A61B5/0095 , A61B5/7203 , A61B5/7257 , A61B2576/00
摘要： The present invention employs a photoacoustic apparatus including: a receiving unit that receives acoustic waves at a plurality of measurement positions and converts the acoustic waves to a plurality of time-series reception signals; and a processing unit that adjusts phases of the reception signals so that a phase pattern of a target signal among the reception signals corresponds to a specific spatial direction, reduces low-frequency components in the specific spatial direction from the reception signals of which the phases have been adjusted, and acquires characteristic information of an object based on the reception signals of which the low-frequency components have been reduced.
摘要翻译：本发明采用光声装置，其包括：接收单元，其在多个测量位置处接收声波，并将声波转换为多个时间序列接收信号; 以及处理单元，其调整接收信号的相位，使得接收信号中的目标信号的相位图案对应于特定空间方向，从相位具有的接收信号中减小特定空间方向上的低频分量并且基于低频分量已经减少的接收信号来获取对象的特征信息。

8. 发明申请

WO2011111572A1 PHOTOACOUSTIC MATCHING MATERIAL AND HUMAN TISSUE SIMULATION MATERIAL 审中-公开
标题翻译：光电匹配材料和人体组织模拟材料
公开(公告)号：WO2011111572A1
公开(公告)日：2011-09-15
申请号：PCT/JP2011/054671
申请日：2011-02-23
申请人： CANON KABUSHIKI KAISHA , SUITA, Takahiro , OISHI, Takuji
发明人： SUITA, Takahiro , OISHI, Takuji
IPC分类号： A61L27/00 , C08G18/06 , C08G18/08 , C08G18/10 , C08K3/00 , C08K3/20 , C08K3/22 , C08L75/04 , C08L75/08 , G09B23/00
CPC分类号： A61L31/128 , A61B5/0095 , C08G18/4837 , C08G18/73 , C08K3/013 , C08K3/04 , C08K3/22 , C08K2003/2241 , G09B23/30 , C08L75/08 , C08K3/0033 , C08L75/04
摘要： Since a medium having light propagation properties and sound propagation properties similar to those of human tissues is provided, reflection of light and an acoustic wave at a surface of a test portion is prevented, and accuracy control of a photoacoustic wave diagnostic apparatus is realized. A photoacoustic matching material is provided which includes a polyol, an inorganic oxide, and a pigment, the latter two being dispersable in the polyol, and in this photoacoustic matching material, a dispersed amount of the inorganic oxide to the polyol is in a range of 0.10 to 0.25 percent by weight, and a dispersed amount of the pigment to the polyol is in a range of 0.0001 to 0.0005 percent by weight.
摘要翻译：由于提供了具有与人体组织相似的光传播特性和声音传播特性的介质，所以可以防止在测试部分的表面反射光和声波，从而实现光声波诊断装置的精确控制。提供了一种光声匹配材料，其包括多元醇，无机氧化物和颜料，后两种可分散在多元醇中，并且在该光声匹配材料中，无机氧化物与多元醇的分散量在一定范围内 0.10〜0.25重量％，颜料对多元醇的分散量在0.0001〜0.0005重量％的范围内。

9. 发明申请

WO2011096551A1 PHOTOACOUSTIC APPARATUS AND A METHOD FOR ITS USE TO ACQUIRE BIOFUNCTIONAL INFORMATION 审中-公开
标题翻译：光电设备及其用于获取生物功能信息的方法
公开(公告)号：WO2011096551A1
公开(公告)日：2011-08-11
申请号：PCT/JP2011/052453
申请日：2011-01-31
申请人： CANON KABUSHIKI KAISHA , OISHI, Takuji
发明人： OISHI, Takuji
IPC分类号： A61B5/00
CPC分类号： A61B5/0073 , A61B5/0095 , A61B5/0261 , A61B5/14551
摘要： An adverse effect of position displacement during measurements in calculating oxygen saturation can be decreased with an apparatus having: an acoustic wave detector, for receiving acoustic waves inside a subject, and for converting the acoustic waves to signals; and a processing apparatus (10) for deriving biofunctional information using profiles of absorption coefficients derived from the signals, where the processing apparatus (10) includes: a first unit (109) for deriving, from signals corresponding to light of a first wavelength, first data showing a profile of a first absorption coefficient, and from signals corresponding to light of a second wavelength, second data showing a profile of a second absorption coefficient; and a second unit (106) for deriving the biofunctional information using the first and second data, where the second data has lower image spatial resolution than the first data.
摘要翻译：在计算氧饱和度的测量期间位置偏移的不利影响可以通过具有：用于在对象内接收声波并将声波转换成信号的声波检测器的装置来减小; 以及处理装置（10），用于利用从所述信号导出的吸收系数的概况导出生物功能信息，其中所述处理装置（10）包括：第一单元（109），用于从对应于第一波长的光的信号中导出第一显示第一吸收系数的曲线的数据以及与第二波长的光对应的信号，表示第二吸收系数的轮廓的第二数据; 以及第二单元（106），用于使用第一和第二数据导出生物功能信息，其中第二数据具有比第一数据更低的图像空间分辨率。

10. 发明申请

WO2016208647A1 APPARATUS AND DISPLAY CONTROL METHOD 审中-公开
标题翻译：装置和显示控制方法
公开(公告)号：WO2016208647A1
公开(公告)日：2016-12-29
申请号：PCT/JP2016/068585
申请日：2016-06-16
申请人： CANON KABUSHIKI KAISHA
发明人： UMEZAWA, Kohtaro , OISHI, Takuji , NAKAMURA, Yoshiko
IPC分类号： A61B5/00 , A61B5/145 , A61B8/08 , G06T11/00
CPC分类号： A61B5/0095 , A61B5/0035 , A61B5/0037 , A61B5/0075 , A61B5/14542 , A61B5/489 , A61B5/7203 , A61B5/743 , A61B8/085 , A61B8/4483 , G06T11/001
摘要： The present invention employs an apparatus that includes a first acquisition unit that acquires information relating to an oxygen saturation distribution, a determination unit that determines, based on the information relating to the oxygen saturation distribution, whether a calculated value of an oxygen saturation at each of a plurality of positions is included in a first numerical range from 100% to a first value more than 100% or a second numerical range more than the first value, and a display control unit that causes a display unit to display an image of the oxygen saturation distribution so as to be able to distinguish whether the calculated value of the oxygen saturation at each position is included in the first or second numerical range based on a determination result.
摘要翻译：本发明采用一种装置，该装置包括获取与氧饱和度分布有关的信息的第一获取单元，确定单元，其基于与氧饱和度分布有关的信息，确定每个的饱和度的计算值是否为在从100％到大于100％的第一值或大于第一值的第二数值范围的第一数值范围中包括多个位置，以及显示控制单元，其使显示单元显示氧气的图像饱和度分布，以便能够基于确定结果来区分每个位置处的氧饱和度的计算值是否被包括在第一或第二数值范围内。

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