PROBLEM TO BE SOLVED: To provide a neutron capture therapy apparatus capable of inhibiting deterioration in accuracy of the therapy even when a patient moves during application of a neutron beam.SOLUTION: A neutron capture therapy apparatus 1 for irradiating a patient N with a neutron beam N includes: a neutron beam generation unit for generating the neutron beam N a neutron beam irradiation unit 20 for irradiating the patient S with the neutron beam N generated by the neutron beam generation unit a posture detection unit 40 that detects a posture of the patient S when the neutron beam irradiation unit 20 irradiates the patient S with the neutron beam N and a position correction unit 50 that corrects the position of the patient S with respect to the neutron beam irradiation unit 20 according to the posture of the patient S detected by the posture detection unit 40.COPYRIGHT: (C)2015,JPO&INPIT【課題】中性子線の照射中に患者が動いても治療の精度低下を抑制できる中性子捕捉療法装置を提供する。【解決手段】中性子線Nを患者Sに照射する中性子捕捉療法装置1であって、中性子線Nを生成する中性子線発生部と、中性子線発生部が生成した中性子線Nを患者Sに向かって照射する中性子線照射部20と、中性子線照射部20が中性子線Nを患者Sに照射している際に患者Sの姿勢を検出する姿勢検出部40と、姿勢検出部40が検出した患者Sの姿勢に応じて、中性子線照射部20に対する患者Sの位置を補正する位置補正部50と、を備えている。【選択図】図2