Radioisotope labeling probe for nuclear medicine

The utility model discloses a radioactive isotope labeling probe for nuclear medicine. The radioactive isotope labeling probe comprises a main body assembly, wherein the main body assembly comprises an outer pipe and an inner pipe connected to the inner side wall of the outer pipe; a fixing assembly; the fixing assembly comprises a hollow rod a, a fixing rod a connected to the lower end of the hollow rod a, a fixing block connected to the lower end of the fixing rod a, a movable ring connected to the upper end of the outer pipe, a fixing rod b connected to the upper end of the movable ring, a hollow rod b connected to the upper end of the fixing rod b and a connecting column connected to the lower end of the movable ring. And an injection assembly. By additionally arranging the fixing assembly and adjusting the injection assembly, the problems that in the injection process of an existing probe, FDG needs to be injected into the body of a patient through an indwelling needle, then an injector of normal saline