Patent ID: 6480574
Filing Date: 2002-11-12
Classification: A61B

Abstract:
An X-ray diagnostic apparatus comprising:an X-ray tube; an X-ray detector; a grid arranged on an image reception plane of said X-ray detector; an arm configured to support said X-ray tube and said X-ray detector in such a manner that a distance between said X-ray tube and said image reception plane of said X-ray detector can be changed; an arm support device configured to support said arm in such a manner that an angle of said arm can be changed; a storage device configured to store moire image data files including moire fringes by said grid in association with at least one of said distance and said angle; and a moire correction circuit configured to correct image data outputted from said X-ray detector based on moire image data file selectively read from said storage device in accordance with at least one of said distance and said angle.