Radiotherapy treatment planning system

Details Radiotherapy treatment planning system Radiotherapy treatment planning system

1991-04-04

1994-03-01

Envall, Jr., Roy N.

Boots, shoes, and leggings

36441325, 36441327, 250263, G06F 1542

Patent

active

052914046

ABSTRACT:
The radiotherapy treatment planning system is for calculating the radiation dose to be absorbed by an object to be irradiated, prior to radiotherapy. The distribution of contribution output unit outputs the distribution of contribution showing the contribution rates of scattered beam or electron beam to an observational point in each point of the object to be irradiated. The arithmetic unit calculates the absorbed dose of the observational point due to the scattered beam or the absorbed dose due to the electron beam, by summing up each contribution rate multiplied with the electron density at the point corresponding thereto.

REFERENCES:
patent: 4992663 (1991-02-01), Takeo
J. A. Purdy, "Computer Applications in Radiation Treatment Planning", Radiation Medicine, vol. 1, No. 2, 1983, pp. 161-173.
T. R. Mackie et al., "A Convolution Method of Calculating Dose for 15-MV X Rays", Med. Phys. 12(2), Mar./Apr. 1985, pp. 188-196.

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