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PARTICLE BEAM THERAPY DEVICE AND IRRADIATION FIELD FORMING METHOD
专利权人:
Hitachi; Ltd.
发明人:
Tomokazu SHIMAKURA,Chihiro NAKASHIMA,Satoshi TOTAKE,Kazuo TOMIDA,Takeshi FUJITA
申请号:
US16675517
公开号:
US20200261745A1
申请日:
2019.11.06
申请国别(地区):
US
年份:
2020
代理人:
摘要:
To provide a particle beam therapy device that expands an irradiation field while avoiding an increase in size of a scanning unit or an irradiation device including the scanning unit. A shift unit 36 is provided downstream of a scanning unit 34. The shift unit 36 deflects a carbon beam as a particle beam to shift the irradiation field, thereby forming an expanded irradiation field. The shift unit 36 includes a first shift electromagnet 42 that shifts the irradiation field in a Y direction and a second shift electromagnet 44 that shifts the irradiation field in an X direction. The scanning unit is dynamically controlled, and the shift unit 36 is statically controlled.
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