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    • 5. 发明授权
    • Method of estimating the BMD of a bone using radiogrammetry
    • 使用放射测量法估计骨骼BMD的方法
    • US06763257B1
    • 2004-07-13
    • US09959114
    • 2001-12-04
    • Anders RosholmHans Henrik Thodberg
    • Anders RosholmHans Henrik Thodberg
    • A61B505
    • A61B6/505
    • A method for estimating the bone quality or skeletal status of a vertebrate on the basis of two-dimensional image data comprising information relating to the cortical bone of at least a part of a bone of the vertebrate, the image data being data obtained by exposing at least the part of the bone to electromagnetic radiation, the method comprising estimating the bone quality or skeletal status on the basis of a a grey value difference between oblong density variations in the image data and other parts of the image data. These oblong density variations may be caused by osteoporosis, osteopenia or hyperparathyroidism or other bone disorders is called “intra cortical resorption”, “periosteal resorption”, “endosteal resorption”, “striation”, “scalloping”, or “spongiosation”.
    • 一种用于基于二维图像数据估计脊椎动物的骨质量或骨骼状态的方法,所述二维图像数据包括与脊椎动物的至少一部分骨骼的皮层骨相关的信息,所述图像数据是通过暴露于 至少部分骨骼与电磁辐射有关的方法,该方法包括基于图像数据的长圆形密度变化与图像数据的其他部分之间的灰度值差来估计骨质量或骨骼状态。 这些长圆形密度变化可能由骨质疏松症,骨质减少症或甲状旁腺功能亢进或其他骨骼疾病称为“皮质内吸收”,“骨膜吸收”,“内皮吸收”,“条纹”,“扇贝”或“海绵体”引起。