Patent ID: 6632020
Filing Date: 2003-10-14
Classification: A61B

Abstract:
A calibration phantom system for use with an imaging system, said calibration phantom comprising:a first phantom element material block having a first surface at a first height, said first phantom element material block at least partially comprising a first material having a first attenuation coefficient; a second phantom element material block having a second surface at a second height different than said first height, said second phantom element material block at least partially comprising a second material having a second attenuation coefficient different than said first attenuation coefficient, said first phantom element material block and said second phantom element material block co-positioned on a detector; a first radiation shielding plate positioned on top of said first phantom element material block, said first radiation shield plate having at least one opening extending therethrough; and a second radiation shielding plate positioned on top of said second phantom element material block, said second radiation shield plate having at least one opening extending therethrough.