Patent ID: 6700949
Filing Date: 2004-03-02
Classification: A61B,G01N,G21K

Abstract:
A combined CT-PET imaging system comprising:a CT source; a CT detector; a CT support having front and rear oppositely facing ends, the source and detector mounted to the front end so as to oppose each other and for rotation about a translation axis passing through a CT imaging area, the CT support also forming a parking space axially adjacent along the translation axis to the CT imaging area; an annular PET detector having front and rear oppositely facing ends, the PET detector positioned such that the front end of the PET detector is adjacent the rear end of the CT support; an annular collimator mounted to the PET detector for movement between a first position wherein the collimator is disposed within the PET detector and a second position wherein the collimator is outside the PET detector and at least partially within the parking space.