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伽玛刀是９０年代引入我国的一种高科技医疗设备，它集立体定向、放疗、影像及计算机技术于一体。在治疗过程中，２０１条，射线聚焦成一点，以强大的能量给予病灶不可逆的生物学损毁。伽玛刀以钻６０为放射源， ２０１个钻源总活度为６６００居里。由于该设备引入我国时间不长
Gamma Knife is a kind of hi-tech medical equipment introduced into our country in 1990s. It integrates stereotactic, radiotherapy, imaging and computer technology. During the course of treatment, 201 rays focused a little to give irreversible biological damage to the lesion with great energy. Gamma Knife to drill 60 as a radioactive source, the total activity of 201 drill 6600 Curie. Due to the introduction of the device in our country is not long