Patent ID: 7724870
Filing Date: 2010-05-25
Classification: A61B,A61N

Abstract:
1. An apparatus comprising: a support movable with at least four degrees of freedom; a therapeutic radiation source coupled to the support; a plurality of radiation sources disposed in a fixed relationship to each other, the plurality of radiation sources movable in the fixed relationship with at least four degrees of freedom; a second support movable with at least four degrees of freedom, wherein the second support is movable with the at least four degrees of freedom independent of the first support and not coupled to the first support; a detector to acquire a projection image based on radiation emitted from one of the plurality of radiation sources, wherein the detector is coupled to the second support; and a processor to perform digital tomosynthesis on the projection image acquired by the detector and a plurality of other projection images to generate a cross-sectional image representing a plane viewed from a perspective of the therapeutic radiation source.