Patent ID: 11938346
Assignee: HITACHI, LTD.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 12:
13. A control method of a particle beam therapy apparatus which includes an irradiation nozzle for irradiating a particle beam and a treatment table on which a patient is placed and moves a movable body and sets a relative position and posture of the irradiation nozzle and the treatment table, the movable body being at least one of the irradiation nozzle and the treatment table that is capable of motion, the control method comprising:
determining a movement path of the movable body when adapting the positional posture of the movable body from one condition among a plurality of prescribed conditions to another condition of a treatment;
obtaining an evaluation value for each of a plurality of candidate orders, each candidate order indicating a different series of positional postures of moving the moveable body according to each of the plurality of prescribed conditions of the treatment, each evaluation value representing a motion state of the moving body upon moving the moving body according to the movement path to each positional posture of each prescribed condition;
determining a setting order for adapting the positional posture of the movable body to each of the plurality of prescribed conditions based on the evaluation value values of each candidate order; and
adapting the positional posture of the movable body from one condition among the plurality of prescribed conditions to another condition by moving the movable body according to the movement path of the setting order.