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    • 2. 发明授权
    • Surgical operating apparatus
    • 外科手术器械
    • US6094590A
    • 2000-07-25
    • US932920
    • 1997-09-18
    • Kazutoshi KanMasakatsu FujieRyuichi ShinomuraKoichi SanoHiroshi Takeuchi
    • Kazutoshi KanMasakatsu FujieRyuichi ShinomuraKoichi SanoHiroshi Takeuchi
    • A61B19/00A61B8/00
    • A61B90/36A61B34/70
    • A surgical operating apparatus capable of a high-precision surgical operation while observing a detailed image of an affected part to be subjected to surgical operation and capable of observing a related location of the affected part under surgical operation by means of an image obtained the imaging of a wider range is provided with an operating table provided in an area made an object of measurement by an MRI apparatus so that a surgical operation can be performed by operating an operating manipulator by an operation input device while monitoring a local image from an endoscope and/or a ultrasonic scanner and the observation of a range in the neighborhood of the affected part and wider than an observing area of the endoscope is enabled by the MRI apparatus under surgical operation, thereby providing a high-security surgical operating apparatus.
    • 一种手术操作装置,其能够在观察要进行外科手术的患部的详细图像的同时进行高精度的外科手术,并且能够通过获得成像的图像观察外科手术下的患部的相关位置 更宽的范围设置有设置在由MRI装置进行测量的对象的区域中的手术台,使得可以通过操作输入装置操作操作操纵器来执行外科手术,同时监测来自内窥镜的局部图像和/ 或超声波扫描器,并且通过MRI装置在外科手术下能够观察受影响部位附近的范围并且比内窥镜的观察区域更宽,从而提供高安全性的外科手术装置。
    • 3. 发明授权
    • NMR imaging method
    • NMR成像方法
    • US4760339A
    • 1988-07-26
    • US944001
    • 1986-12-22
    • Etsuji YamamotoKoichi SanoHidemi ShionoHideki Kohno
    • Etsuji YamamotoKoichi SanoHidemi ShionoHideki Kohno
    • A61B10/00A61B5/055G01R33/48G01R33/485G01R33/565G01R33/20
    • G01R33/565G01R33/485G01R33/56527
    • An NMR imaging method is disclosed in which an object is measured in accordance with a pulse sequence capable of expressing a difference between two of a plurality of chemical shifts by a phase difference in a signal, that is, a pulse sequence 90.degree.-.tau..sub.a -180.degree.-.tau..sub.b -spin echo (where .tau..sub.a .noteq..tau..sub.b) to obtain spin distribution data, a histogram with respect to the phase of the spin distribution data is formed to regard a phase corresponding to that one of a plurality of peaks of the histogram which exists at one end of the histogram, as a position-independent offset phase which is contained in the spin distribution data and is peculiar to an NMR imaging apparatus, and the spin distribution data is corrected using the offset value thus obtained, to extract spin density distribution data for each of the chemical shifts from the corrected spin distribution data.
    • 公开了一种NMR成像方法,其中根据能够通过信号的相位差表示多个化学位移之间的差异的脉冲序列来测量物体,即脉冲序列90°-τa -180°-τb-自旋回波(其中τa NOTEQUAL tau b)为了获得自旋分布数据,形成相对于自旋分布数据的相位的直方图,以考虑与多个峰中的那一个相对应的相位 存在于直方图的一端的直方图作为自旋分布数据中包含的并且是NMR成像设备特有的与位置无关的偏移相位,并且使用由此获得的偏移值来校正自旋分布数据, 从校正的自旋分布数据中提取每个化学位移的自旋密度分布数据。
    • 10. 发明授权
    • Method for determining median line
    • 方法确定中线
    • US5427100A
    • 1995-06-27
    • US12919
    • 1993-02-03
    • Noboru HigashiKoichi SanoTetsuo Yokoyama
    • Noboru HigashiKoichi SanoTetsuo Yokoyama
    • A61B5/055G01R33/48G01R33/54G01R33/56
    • G01R33/56
    • Disclosed is a method for automatically determining the median line of a selected region of a human body so as to simplify complex imaging required hithero for a magnetic resonance imaging apparatus, and, in the method, an artifact of the imaged selected region of the human body is utilized to automatically determine the median line. For example, two artifacts 1010 and 1020 intersecting each other appear from the superior sagittal sinus as shown in FIG. 1 when the direction of phase encoding is changed. By subtracting one of these artifacts 1010 and 1020 from the other and calculating the absolute value of the result of subtraction, the point 1030 of intersection of the artifacts determines the location of the superior sagittal sinus which is the source of apperance of the artifacts, so that the median line can be automatically determined on the basis of the result of determination of location of the superior sagittal sinus.
    • 公开了一种用于自动确定人体所选择的区域的中线的方法,以便简化对于磁共振成像设备所需的复合成像所需的触角,并且在该方法中,人体的成像选定区域的假象 用于自动确定中线。 例如,如图1所示,从上矢状窦出现两个彼此相交的假象1010和1020。 1当相位编码的方向改变时。 通过从另一个中减去这些伪影1010和1020中的一个并计算减法结果的绝对值,伪像的交点点1030确定作为人造物的外观源的上矢状窦的位置,因此 可以根据确定上矢状窦位置的结果自动确定中线。