Title:
RADIOTHERAPY DEVICE AND MICROWAVE SOURCE THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/127858
Kind Code:
A1
Abstract:
A microwave source used in the radiotherapy device can be provided. The microwave source may include an anode block and one or more cathodes. The cathode of the microwave source may include a cathode support element having a plurality of slots. The plurality of slots can be axially around a circumference of the cathode support element. The microwave source may include a cathode heater including at least one filament. A first part of the at least one filament may be wound around the cathode support element along a first direction and received by a first portion of the plurality of slots, and a second part of the at least one filament may be wound around the cathode support element along a second direction and received by a second portion of the plurality of slots.
Inventors:
WANG PENG (CN)
Application Number:
PCT/CN2019/127480
Publication Date:
July 01, 2021
Filing Date:
December 23, 2019
Export Citation:
Assignee:
SHENZHEN UNITED IMAGING HEALTHCARE CO LTD (CN)
International Classes:
A61N5/00
Domestic Patent References:
| WO2011058361A1 | 2011-05-19 |
Foreign References:
| US20140205073A1 | 2014-07-24 | |||
| CN105414732A | 2016-03-23 | |||
| US20040187539A1 | 2004-09-30 | |||
| CN103839739A | 2014-06-04 |
Attorney, Agent or Firm:
METIS IP (CHENGDU) LLC (CN)
Download PDF: