A non-surgical method of delivering a liquid radioactive solution from a source to a recipient, comprising the following steps: determining a desired recipient radioactivity level and recipient volume of the radioactive solution for delivery to the recipient, waste location and recipient location Providing a first valve having a bolus conduit, a waste conduit and a receiver conduit, wherein each conduit allows said first valve to form a waste flow path at a waste location and a receiver flow path at a receiver location； Having a valve end connected to one valve, the receiver flow passage being different from the waste flow passage, the bolus conduit comprising a measuring section and an inner volume, the inner volume being approximately equivalent to the desired receiver volume of the radioactive solution to be delivered to the receiver Placing the first valve at a waste location, the first amount of the radioactive solution Transporting through an existing waste flow path, wherein the first amount of radioactive solution has an initial radiation level that is at least approximately equal to or greater than the desired recipient radioactivity level and an initial volume that is greater than the internal volume of the bolus conduit Providing a detector, wherein the radiation detector is operable to measure the radioactivity level of the radioactive solution in the measurement unit, measuring the radioactivity reference level of the radioactive solution present in the measurement unit, wherein the radioactivity reference level is When approximately equal to the radiation injection level, the method further includes the steps of: placing the first valve in the receiver position, and transporting the radioactive solution present in the bolus conduit through the receiver flow path.공급원으로부터 수용자(recipient)에게 액체 방사성 용액을 전달하는 비외과적 방법으로서, 다음 단계들을 포함하고: 수용자로 전달하기 위한 원하는 수용자 방사능 레벨 및 방사성 용액의 수용자 부피를 결정하는 단계, 폐기물 위치 및 수용자 위치를 갖는 제1 밸브를 제공하는 단계, 볼루스 도관, 폐기물 도관 및 수용자 도관을 제공하는 단계로서,
