Method of electron beam radiotherapy

Details Method of electron beam radiotherapy Method of electron beam radiotherapy

1994-03-15

1995-05-23

Weinhardt, Robert A.

Boots, shoes, and leggings

378 65, G06F 1500, A61N 510

Patent

active

054187150

ABSTRACT:
A computationally efficient and accurate procedure for calculating electron beam dose within a volume of a patient incorporating knowledge about the variations in density of the patient as obtained from a CT machine or the like employs an iterative process of dividing the patient into a set of layers of elements where each layer is computed from the previous layer by algebraic approximations of the Fermi partial differential equation. Energy loss of the particles is accommodated through the addition of a simple functional relationship between depth and energy or by separately binning energy at each layer as determined by local energy loss.

REFERENCES:
patent: 3794840 (1974-02-01), Scott
patent: 3987281 (1976-10-01), Hodes
patent: 4729099 (1988-03-01), Iverson et al.
patent: 5027818 (1991-07-01), Bova et al.
patent: 5291404 (1994-03-01), Kurokawa et al.

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