论文部分内容阅读
目前,我国绝大多数的核医学实验室是乙、丙级工作场所的三类放射性工作单位。近年来,许多大医院的核医学实验室已陆续引进γ照相机、ECT等大型显像设备,并采用29.6GBq(800mCi)以上的~(99)Mo-~(99m)Tc发生器,有的还开展了~(133)Xe气体显像及~(131)I疗等。这样,这些实验室正向甲级工作场所的开放型工作单位(简称甲级实验室)发展。因此,必须认真研究适应这种发展的防护措施。
At present, the vast majority of nuclear medicine laboratories in our country are three types of radioactive work units in the B and C workplaces. In recent years, the nuclear medicine laboratories of many large hospitals have gradually introduced large-scale imaging equipment such as gamma cameras and ECTs, and used ~ 99 99 Mo-99m Tc generators of 29.6 GBq (800 mCi) To carry out ~ (133) Xe gas imaging and ~ (131) I therapy. In this way, these laboratories are developing into open-type units (Grade A laboratories) in Class A workplaces. Therefore, serious precautions to adapt to this development must be carefully studied.