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    • 2. 发明授权
    • Operation supporting device, method, and program
    • 操作支持装置,方法和程序
    • US08388539B2
    • 2013-03-05
    • US13076062
    • 2011-03-30
    • Seiji YamamotoSusumu TerakawaToshihisa TakaiKatsuhiro SatoKeiichi AbeBaigalmaa Tsagaan
    • Seiji YamamotoSusumu TerakawaToshihisa TakaiKatsuhiro SatoKeiichi AbeBaigalmaa Tsagaan
    • A61B8/00
    • A61B8/08A61B8/0816A61B8/4416
    • Surgical operation supporting apparatus and method is disclosed in which based on a high-definition tomographic images of an operation site produced before surgery, a three-dimensional model of the operation site is generated, and a surface of the operation site is optically measured during the surgical operation, and further, first position information that represents a three-dimensional position of each of points on the surface is acquired. An unexposed portion of the operation site is measured with ultrasonic waves during the surgical operation, and second position information that represents a three-dimensional position of each of points in the unexposed portion is acquired. Based on the first position information and the second position information, displacement and distortion at a portion whose three-dimensional position is not known in the three-dimensional model is estimated to obtain an estimated result. The three-dimensional model is re-corrected by use of a finite element method and the estimated result.
    • 公开了基于手术前产生的手术部位的高分辨率断层图像的外科手术辅助装置和方法,生成操作部位的三维模型,并且在手术部位的表面被光学测量 并且进一步获取表示表面上的每个点的三维位置的第一位置信息。 在外科手术中用超声波测量操作部位的未曝光部分,并且获取表示未曝光部分中的每个点的三维位置的第二位置信息。 基于第一位置信息和第二位置信息,估计在三维模型中三维位置未知的部分的位移和失真,以获得估计结果。 通过使用有限元法和估计结果重新校正三维模型。
    • 9. 发明授权
    • Apparatus for determining brain atrophy, method of determining brain atrophy and program for determining brain atrophy
    • 用于确定脑萎缩的装置,确定脑萎缩的方法和用于确定脑萎缩的程序
    • US08112144B2
    • 2012-02-07
    • US12295261
    • 2007-03-29
    • Seiji YamamotoBaigalmaa TsagaanKeiichi Abe
    • Seiji YamamotoBaigalmaa TsagaanKeiichi Abe
    • A61B5/05
    • A61B5/055A61B5/1075G06T7/62G06T2207/10088G06T2207/30016
    • Since cerebral atrophy does not occur only in a specific cross-section and reaches the brain in its entirety or arises prominently in a specific lobe (for example temporal lobe), for the assessment of cerebral atrophy, not only atrophy assessment for the frontal lobe but also an assessment also including atrophy of the temporal lobe, the parietal lobe and the occipital lobe is more desirable. The intracranial volume, the volume of the grey matter and the volume of the white matter are respectively extracted, computed and converted into numbers by image processing from a plurality of MRI slice images and the like. Ratios of these values from the conversions into numbers are taken to calculate the ratio of the grey matter and the ratio of the white matter with respect to the entire brain. Through comparison of a multitude of measurement data obtained by this automated computation, and a case, an objective cerebral atrophy assessment is carried out.
    • 由于脑萎缩不仅在特定的横截面上发生并且完全达到脑,或者在特定的叶(例如颞叶)中突出地出现,以评估脑萎缩,不仅对额叶的萎缩评估,而且 还有一个评估,也包括颞叶萎缩,顶叶和枕叶是更可取的。 通过从多个MRI切片图像等的图像处理,分别提取,计算并计算出颅内体积,灰质体积和白质的体积。 将这些值从转换到数字的比例用于计算灰质与白质相对于整个脑的比例。 通过比较通过这种自动计算获得的大量测量数据和病例,进行目标性脑萎缩评估。
    • 10. 发明申请
    • OPERATION SUPPORTING DEVICE, METHOD, AND PROGRAM
    • 操作支持的设备,方法和程序
    • US20120010498A1
    • 2012-01-12
    • US13076062
    • 2011-03-30
    • Seiji YamamotoSusummu TerakawaToshihisa TakaiKatsuhiro SatoKeiichi AbeBaigalmaa Tsagaan
    • Seiji YamamotoSusummu TerakawaToshihisa TakaiKatsuhiro SatoKeiichi AbeBaigalmaa Tsagaan
    • A61B8/00A61B6/00A61B5/055
    • A61B8/08A61B8/0816A61B8/4416
    • Surgical operation supporting apparatus and method is disclosed in which based on a high-definition tomographic images of an operation site produced before surgery, a three-dimensional model of the operation site is generated, and a surface of the operation site is optically measured during the surgical operation, and further, first position information that represents a three-dimensional position of each of points on the surface is acquired. An unexposed portion of the operation site is measured with ultrasonic waves during the surgical operation, and second position information that represents a three-dimensional position of each of points in the unexposed portion is acquired. Based on the first position information and the second position information, displacement and distortion at a portion whose three-dimensional position is not known in the three-dimensional model is estimated to obtain an estimated result. The three-dimensional model is re-corrected by use of a finite element method and the estimated result.
    • 公开了基于手术前产生的手术部位的高分辨率断层图像的外科手术辅助装置和方法,生成操作部位的三维模型,并且在手术部位的表面被光学测量 并且进一步获取表示表面上的每个点的三维位置的第一位置信息。 在外科手术中用超声波测量操作部位的未曝光部分,并且获取表示未曝光部分中的每个点的三维位置的第二位置信息。 基于第一位置信息和第二位置信息,估计在三维模型中三维位置未知的部分的位移和失真,以获得估计结果。 通过使用有限元法和估计结果重新校正三维模型。