Patent ID: 7071473
Filing Date: 2006-07-04
Classification: A61B,G01T,G21K

Abstract:
1. A single photon emission computed tomography system for producing multiple tomographic images of the type representing a three-dimensional distribution of a photon-emitting radioisotope, the system comprising: a base including a patient support for supporting a human patient such that a portion of the patient's torso is located in a field of view, a longitudinal axis being defined through the field of view; a detector assembly adjacent the field of view, the detector assembly including a photon-responsive detector operable to detect if a photon strikes the detector, the detector assembly operable to scan for photons emitted from the portion of the patient's torso located in the field of view; and a collimating assembly including a plurality of collimating vanes formed of photon-attenuating material, the vanes being spaced apart so as to define a plurality of gaps, the gaps each having a height of at least 3 mm, the plurality of vanes being disposed between the detector and the field of view such that photons traveling from the field of view to the detector may pass through one of the gaps.