Computation method of radioactive source error of centralization
A calculation method and radioactive source technology, applied in radioactive sources, radiotherapy, and radiodiagnostic instruments, can solve problems such as inability to accurately calculate radioactive source alignment errors, high design costs, and poor usability, and save a lot of money Time and trial costs, improved accuracy, and cost-saving effects
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[0017] The calculation method of the centering error of the radioactive source of the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
[0018] This embodiment is used for the calculation of the radiation focus position accuracy of the "gyro rotating cobalt 60 radiosurgery system".
[0019] First of all, according to the requirements of the finite element software used, set the contact relationship of all parts and components on the roller. Ensure the coordination of the nodes between them when meshing, and then proceed as follows:
[0020] 1. Calculate the weight and center of mass of the treatment head, and simplify the weight of the treatment head to the installation position of the treatment head according to the equivalent principle of mechanics; the simplification of the force should calculate the relationship between the gravity and the center of the cylinder according to the position where the cylinder r...
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