公开(公告)号：US07734009B2

公开(公告)日：2010-06-08

申请号：US11284235

申请日：2005-11-21

申请人： Thomas Brunner ,  Klaus Klingenbeck-Regn ,  Michael Maschke ,  Alois Nöttling ,  Ernst-Peter Rührnschopf ,  Bernhard Scholz ,  Bernd Schreiber ,  Norbert Karl Strobel ,  Karl Wiesent ,  Michael Zellerhoff

发明人： Thomas Brunner ,  Klaus Klingenbeck-Regn ,  Michael Maschke ,  Alois Nöttling ,  Ernst-Peter Rührnschopf ,  Bernhard Scholz ,  Bernd Schreiber ,  Norbert Karl Strobel ,  Karl Wiesent ,  Michael Zellerhoff

IPC分类号： G01N23/083 ,  H05G1/02

CPC分类号： G06T11/005 ,  A61B6/466 ,  A61B6/504 ,  G06T2211/404

摘要： The invention relates to an angiographic x-ray diagnostic device for rotation angiography with an x-ray emitter which can be moved on a circular path about a patient located on a patient support table, with an image detector unit which can moved on the circular path facing the x-ray emitter, with a digital image system for recording a plurality of projection images by means of rotation angiography, with a device for image processing, by means of which the projection images are reconstructed into a 3D volume image, and with a device for correcting physical effects and/or inadequacies in the recording system such as truncation correction, scatter correction, ring artifact correction, correction of the beam hardening and/or of the low frequency drop for the soft tissue display of projection images and the 3D volume images resulting therefrom.

摘要翻译： 本发明涉及一种用X射线发射器进行旋转血管造影的血管造影X射线诊断装置，该X射线发射器可以围绕位于病人支撑台上的患者的圆形路径移动，图像检测器单元可在圆形路径上移动 面对x射线发射器，具有用于通过旋转血管造影记录多个投影图像的数字图像系统，具有用于图像处理的装置，通过该装置将投影图像重建成3D体积图像，并且利用 用于校正记录系统的物理效应和/或不足的装置，例如用于投影图像的软组织显示的截断校正，散射校正，环形伪影校正，光束硬化的校正和/或低频率下降以及3D体积 由此产生的图像。

公开(公告)号：US07167538B2

公开(公告)日：2007-01-23

申请号：US11091992

申请日：2005-06-27

申请人： Norbert Karl Strobel ,  Krishnakumar Ramamurthi

发明人： Norbert Karl Strobel ,  Krishnakumar Ramamurthi

IPC分类号： A61B6/03

CPC分类号： A61B6/4447 ,  A61B6/027 ,  A61B6/4441

摘要： A method for performing an exact volume imaging with a C-arm digital x-ray imaging system by moving the source through two partial circular scans which form a complete source trajectory. The partial circular scans form a complete source trajectory when the plane defined by the C-arm is repositioned for the second scan at an angle equal to the cone angle with respect to the long axis of the patient.

摘要翻译： 一种使用C臂数字X射线成像系统执行准确体积成像的方法，通过移动源通过形成完整的源轨迹的两个部分圆形扫描。 当由C形臂限定的平面以等于患者的长轴的锥角的角度重新定位用于第二次扫描时，部分圆形扫描形成完整的源轨迹。