Release date: 2013-03-21
Recently, the project “Research and Industrialization of High Quality Barium Silicate Crystals†undertaken by the 26th (hereinafter referred to as “CLP 26â€) of China Electronics Technology Group Co., Ltd. passed the acceptance of the Chongqing Science and Technology Commission expert group. Experts pointed out that the core device crystal of the digital medical positron emission tomography (PET) machine developed by the project is of great significance for promoting the localization of PET machines. The 26th Branch of CEC has become the only unit in China with the industrialized production capacity of the device.
In 2012, the team led by Prof. Xie Qingguo from Huazhong University of Science and Technology successfully developed the first domestic digital PET machine. However, the core components of PET machines still rely on imports, and foreign companies rely on technology monopoly, which is often expensive. Therefore, the localization of PET machine core components is of great significance for saving medical expenses.
After two years of research and development, the 26 project teams of CEC have developed new crystals with high gamma ray detection efficiency, good matching of illuminating center wavelength and photomultiplier tube, and strong radiation resistance. This new device can shorten the detection time of the PET machine by about two-thirds and the amount of the injected drug is greatly reduced, thereby further protecting the health of the subject.
At present, all PET machines used in China are imported products, and the cost of a single test is several thousand yuan. Experts said that the device will promote the development of medical PET machines at the Beijing Institute of High Energy Physics of the Chinese Academy of Sciences and the Shanghai Institute of Biology, Chinese Academy of Sciences. In the near future, the situation that all medical PET machines rely on imports will be broken, equipment production and operating costs will be greatly reduced, thus promoting the promotion and application of PET machines, so that the early diagnosis rate and diagnostic accuracy of tumors are greatly improved.
Source: China Medical News
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