Patent ID: 6565577
Filing Date: 2003-05-20
Classification: A61B,A61N

Abstract:
A process for repeat positioning of the head and neck or torso of a patient comprising the steps of:a. placing the patient on a CT scanner couch and positioning the head and at least one of the neck or torso of said patient with respect to a reference structure for determining a relative reference position and recording said relative reference position; b. CT scanning of the patient in said reference position by a CT scanner; c. planning target structures in the patient to be irradiated by beams from a treatment machine and planning beam dosage to the target structures from the treatment planning machine; d. placing the patient on a couch of the treatment planning machine and repositioning the head and the at least one of the neck or torso in said relative reference position; e. aligning the treatment machine to the head and neck or torso so that the target structures are in a determined position with respect to the beam from the treatment machine; and f. irradiating the target structure with the beam according to the step of planning the beam dose.