System and method for quality assurance of three-dimensional isocenter of radiation diagnosis and treatment device

摘要

The present invention is a device including a gantry that is rotatable about the rotation axis with a space spaced apart from the rotation axis, the radiation irradiation unit rotatable together with the gantry, a first for measuring a first center point indicating a rotation center of the gantry 1 inserting a center point measurement module; Determining the first center point by photographing the first center point measuring module with a camera unit while rotating the gantry; Inserting a collimator including a slit into the irradiation unit; Arranging a second center point measuring module for measuring a second center point representing a center to which radiation is irradiated at a laser center point indicated by the laser beam at the center of the gantry; Determining the second center point by irradiating radiation while rotating the gantry and the collimator; Acquiring a 2D projection image of at least a portion of the second center point measuring module using an imaging device, and determining a third center point indicating a center point of the image reconstructed by the imaging device; And determining whether the first center point, the second center point, the third center point, and the laser center point are located within a specified distance; including a method for quality assurance of a three-dimensional center point of a diagnosis and treatment apparatus using radiation. Provides.