公开(公告)号：US11054542B2

公开(公告)日：2021-07-06

申请号：US16946953

申请日：2020-07-13

申请人： Tsinghua University ,  Nuctech Company Limited

发明人： Kejun Kang ,  Huaibi Chen ,  Yaohong Liu ,  Chuanxiang Tang ,  Yuanjing Li ,  Hao Zha ,  Liang Zhang

IPC分类号： G01V5/00

摘要： Embodiments of the disclosure provide a multi-ray-source accelerator and an inspection method. The multi-ray-source accelerator includes: a plurality of acceleration tubes, each acceleration tube of the plurality of acceleration tubes including an acceleration tube body that defines at least one cavity, the plurality of acceleration tubes being arranged in at least one row along a straight line or an arc and connected in series with each other; and a microwave unit configured to provide a microwave field to the plurality of acceleration tubes. The plurality of acceleration tubes are arranged to allow the microwave unit to provide the microwave field from an acceleration tube at one end of the plurality of acceleration tubes so as to accelerate electron beams in cavities of all the acceleration tubes.

公开(公告)号：US20230398377A1

公开(公告)日：2023-12-14

申请号：US18206070

申请日：2023-06-05

申请人： Cancer Hospital, Chinese Acad. of Medical Sciences ,  Shaanxi Huaming Putai Medical Equip. Co. Ltd. ,  Tsinghua University ,  Beijing Institute of Technology ,  Beihang University ,  Beijing Patesi Technology Co., Ltd. ,  Huiying Medical Technology (Beijing) Co., Ltd. ,  Beijing Information Science & Tech. University

发明人： Jianrong Dai ,  Chuanmeng Niu ,  Yanfei Li ,  Hao Zha ,  Pan Ma ,  Shirong Wang ,  Fugen Zhou ,  Hongda Li ,  Minghui Li ,  Guozheng Lv ,  Xiangfei Chai ,  Baoying Peng ,  Jinyan Zhang

IPC分类号： A61N5/10

CPC分类号： A61N5/1049 ,  A61N5/103 ,  A61N2005/1059

摘要： An image guided radiotherapy apparatus and a control method are provided. According to a specific embodiment, the radiotherapy apparatus includes: a treatment unit, which includes a treatment head for generating radiation beam for radiotherapy; an imaging unit for imaging a target area of a patient, wherein the imaging unit is integrated mounted with the treatment head. The radiotherapy apparatus of the present invention can be applicable to both extracorporeal and intraoperative radiotherapy, and has a high radiotherapy accuracy.

公开(公告)号：US11562873B2

公开(公告)日：2023-01-24

申请号：US17371311

申请日：2021-07-09

申请人： Tsinghua University

发明人： Jiaru Shi ,  Hao Zha ,  Jiayang Liu ,  Huaibi Chen ,  Chuanxiang Tang

IPC分类号： H01J25/587 ,  H01J23/05 ,  H01J23/213

摘要： A magnetron is provided and includes a tube body with a plurality of communicated first cavities therein, a plurality of anodes in the first cavities including a cylinder and a plurality of vanes, outer ends of the vanes are connected with an inner circumferential surface of the cylinder; a first resonant cavity and a second resonant cavity are formed between the adjacent vanes, the cylinder is provided with a plurality of coupling slots arranged at intervals and running through the cylinder to communicate the first resonant cavity with the first cavity; a plurality of cathode arranged in and coaxially with the cylinder; the cathodes and inner ends of the vanes are spaced apart; at least part of the cathodes are located inside vanes, and an output slot is defined on the tube body for communicating the first cavity with an outside.

公开(公告)号：US20210018649A1

公开(公告)日：2021-01-21

申请号：US16946953

申请日：2020-07-13

申请人： Tsinghua University

发明人： Kejun Kang ,  Huaibi Chen ,  Yaohong Liu ,  Chuanxiang Tang ,  Yuanjing Li ,  Hao Zha ,  Liang Zhang

IPC分类号： G01V5/00

摘要： Embodiments of the disclosure provide a multi-ray-source accelerator and an inspection method. The multi-ray-source accelerator includes: a plurality of acceleration tubes, each acceleration tube of the plurality of acceleration tubes including an acceleration tube body that defines at least one cavity, the plurality of acceleration tubes being arranged in at least one row along a straight line or an arc and connected in series with each other; and a microwave unit configured to provide a microwave field to the plurality of acceleration tubes. The plurality of acceleration tubes are arranged to allow the microwave unit to provide the microwave field from an acceleration tube at one end of the plurality of acceleration tubes so as to accelerate electron beams in cavities of all the acceleration tubes.