Simple design of wedge filters for Co teletherapy

An another simple design, calculation and build of the wedge filters for Co-60 teletherapy were fullyintroduced for further effective and accurate treatment planning. The isodose curve with new way design plottedout from the automatic isodose plotter showed satisfactory result for the clinical aspect. In this paper, thedetailed typical wedge field combinations under various situation, especially for the treatment plan with narrowbeam of the head and neck and for the supplementary external irradiation to the deep seated greater target volumeor the recurrent cases, were discussed.