Author: Xu Haitao Date: 2018-11-23
Xinhua News Agency, Hefei, November 22 (Reporter Xu Haitao) The reporter learned from the Hefei Comprehensive National Science Center that the center's national key scientific research project superconducting cyclotron proton therapy system made a breakthrough on the 22nd, one of its core components "±185 degree rotation The successful completion of the "rack" project, key parameters fully meet the treatment needs, an important step to promote the localization of proton therapy equipment.
Proton and heavy ion radiotherapy is one of the advanced anti-cancer technologies at the forefront of the world, improving the therapeutic effect through “precise radiation†tumors. In recent years, the Institute of Plasma Physics of the Hefei Research Institute of the Chinese Academy of Sciences and the Russian Joint Nuclear Research Institute signed a cooperation agreement to establish the Sino-Russian Superconducting Proton Research Center to jointly develop and industrialize the domestic superconducting cyclotron proton cancer treatment device.
The important advantage of proton therapy is "precise positioning" of human tumors. The high rotation precision rotating frame is the key technology to precisely control the beam of the treatment system from different angles. After many rounds of technical research, the scientific research team has solved the key technical problems of high-precision and high-stability driving system for large-scale rotary equipment and guaranteed deformation less than 1 mm under large-span support. The large-gear and double-drive gears are used to drive the vehicle. The rotating frame drive system has an accuracy of 0.1 degrees and a stable horizontal operation. The test results are superior to the international standards and proton carbon ion review guidelines in this field.
Source: Xinhuanet
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