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Range Shifting Helmet
详细技术说明
Researchersat the University of Iowa have developed a range shifting, helmet-shaped devicethat enables the treatment of shallow brain lesions. The device is made of atissue-like plastic that mimics first four to seven centimeters of human tissuewhen inserted into the radiation beamline. This process reduces the distancebetween the proton beam range shifting device and the actual skin entry pointof the beam, thereby minimizing the dose of radiation delivered to healthybrain tissues outside of the tumor. The ‘helmet’fits over existing medical head frame structures with high reproducibility andaccuracy. This device will be of increasing commercial value as the use ofprotons in SRS becomes more widespread.
国家/地区
美国
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