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    Home > Medical News > Latest Medical News > The most compact superconducting cyclotron proton therapy system was successfully developed

    The most compact superconducting cyclotron proton therapy system was successfully developed

    • Last Update: 2021-03-30
    • Source: Internet
    • Author: User
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    The most compact superconducting cyclotron proton therapy system was successfully developed
    The most compact superconducting cyclotron proton therapy system was successfully developed The most compact superconducting cyclotron proton therapy system was successfully developed

    A few days ago, the superconducting cyclotron proton therapy system accelerator beam of Hefei Comprehensive National Science Center reached the treatment head of the system through the energy selection system, the second quadrupole iron, the treatment head and other transmission systems, achieving a stable 200 meV proton beam from the treatment room.


    Schematic diagram of the most compact domestically produced superconducting cyclotron proton therapy system (data picture)

    As a new type of radiotherapy technology, proton therapy has the advantages of good therapeutic effect, small side effects, and quick recovery of patients.


    Relying on independent innovation, the proton therapy system R&D team of the Hefei Institute of Material Science of the Chinese Academy of Sciences has successively broken through multiple "stuck neck" technologies such as component development, integrated assembly, system joint debugging and testing, etc.


    Chinese Academy of Sciences

    The most compact domestically produced superconducting cyclotron proton therapy system accelerator (data picture)

    The current density of the accelerator superconducting magnet reaches 140 A per square millimeter, which is three times the level of magnets of similar devices at home and abroad; the electrostatic electric field reaches 170 kV per centimeter, which is the highest application level in the world; the accelerator achieves the highest field strength of 3.


    The most compact domestically produced superconducting cyclotron proton therapy system treatment room (data picture)

    After several months of debugging, the system has solved the compatibility problem of high-precision beam transmission and precise conformal therapy, and has mastered high-precision control and precise positioning technology; successfully developed the first domestically produced graphite degrader, which can achieve 70~185 trillion High-precision adjustment of electronic volt energy; completed the domestic first supercritical helium external cooling superconducting diode system research and development and miniaturized superconducting rotating system design, which greatly reduced the development and construction costs.


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