VARIAN MEDICAL SYSTEMS, INC.;VARIAN MEDICAL SYSTEMS PARTICLE THERAPY, GMBH
发明人:
Jan H. TIMMER,Juergen SCHULTHEISS
申请号：
US15503451
公开号：
US20170239495A1
申请日:
2015.08.21
申请国别(地区):
US
年份:
2017
代理人:
摘要：
A beam transport assembly conveys a particle beam from a particle source to an irradiation nozzle, which rotates about a swivel axis at the horizontal input of the nozzle. A support can move horizontally in a plane perpendicular to the swivel axis. The beam transport assembly can change a path length of the particle beam so as to follow a vertical location of the swivel axis of the irradiation nozzle with respect to the support. A controller can coordinate the path length change of the particle beam, rotation of the irradiation nozzle about the swivel axis, and/or horizontal motion of the support to provide irradiation of a supported object from various angles in the plane perpendicular to the swivel axis while maintaining the irradiation nozzle at a constant distance from the supported object.
