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    • 35. 发明申请
    • METHOD AND DEVICE OF ESTIMATING A DOSE OF IONIZING RADIATION
    • 估计离子辐射剂量的方法和装置
    • WO2010122546A1
    • 2010-10-28
    • PCT/IL2010/000303
    • 2010-04-15
    • TECHNION RESEARCH & DEVELOPMENT FOUNDATION LTD.BLANK, AharonTWIG, Ygal
    • BLANK, AharonTWIG, Ygal
    • G01N24/10G01R33/60G01R33/38A61B5/055G01R33/3873
    • G01N24/10A61B5/055A61B5/4504A61B5/4547G01R33/3808G01R33/383G01R33/3873G01R33/60
    • A device (100) of estimating a dose of ionizing radiation absorbed in an intra bone volume. The device comprises a static magnetic field source (101) adapted to generate a substantially static magnetic field in a probing space having a volume of less than 2 cubic millimeter (mm3), the probing space being placed in front of a distal end of static magnetic field source, a micro resonator (104) mounted in adjacent to the distal end, and at least one transmission line which feeds the resonator so as to generate an microwave magnetic field at the probing space and to transmit a signal returned from said microwave magnetic field and indicative of radiation induced paramagnetic defects in said probing space so as to allow a spectrometer (106) to compute a dose of ionizing radiation absorbed in a portion of a bone placed in the probing space according to an analysis of the signal. The static magnetic field source being sized and shaped to maneuver the probing space to overlap with an intra bone volume of the bone.
    • 一种估计在骨内体积中吸收的电离辐射剂量的装置(100)。 该装置包括适于在具有小于2立方毫米(mm 3)的体积的探测空间中产生基本静态磁场的静态磁场源(101),探测空间被放置在静磁场的远端 场源,安装在远端附近的微谐振器(104)和至少一个传输线,馈送谐振器以在探测空间处产生微波磁场并传输从所述微波磁场返回的信号 并且指示所述探测空间中的辐射诱导的顺磁性缺陷,以便允许光谱仪(106)根据信号的分析来计算吸收在放置在探测空间中的骨的一部分中的电离辐射的剂量。 静态磁场源的尺寸和形状适于调节探测空间以与骨的骨内体积重叠。
    • 40. 发明申请
    • A METHOD FOR COSSERAT POINT ELEMENT (CPE) MODELING OF NONLINEAR ELASTIC MATERIALS
    • 非线性弹性材料的COSSERAT POINT ELEMENT(CPE)建模方法
    • WO2009116048A2
    • 2009-09-24
    • PCT/IL2009/000315
    • 2009-03-19
    • TECHNION RESEARCH & DEVELOPMENT FOUNDATION LTD.JABAREEN, MahmoodRUBIN, Miles B.
    • JABAREEN, MahmoodRUBIN, Miles B.
    • G06F19/00
    • G06F17/5018
    • A method for Cosserat Point Element (CPE) modeling of nonlinear elastic materials, utilizing a strain energy function characterizing the response of an eight node 3-D brick element to homogeneous and inhomogeneous deformations, which includes full coupling of bending and torsional modes of deformation. The method includes determining the constitutive coefficients which satisfy bending and torsional modes of deformation for three specific reference element geometries and combining these solutions to obtain constitutive equations for general reference element shapes which ensure that the strain energy remains a positive definite function for all inhomogeneous deformations of the CPE. The constitutive coefficients characterize a generalized CPE model that predicts the response of a 3-D brick element for finite elastic deformations which is free of hourglass instabilities and locking for nearly incompressible materials, thereby providing a robust modeling tool.
    • 一种用于非线性弹性材料的Cosserat点元素(CPE)建模的方法,利用表征八节点3-D砖元素的响应的应变能函数到均匀和不均匀的变形,其包括弯曲和扭转模态的完全耦合。 该方法包括确定满足三个特定参考元件几何形状的弯曲和扭转模态的本构系数,并组合这些解以获得一般参考元素形状的本构方程,以确保应变能保持所有非均匀变形的正定函数 CPE。 本构系数表征广义CPE模型,其预测3-D砖元件对于没有沙漏不稳定性的有限弹性变形和几乎不可压缩材料的锁定的响应,从而提供鲁棒的建模工具。