Registers – Transfer mechanism – Traveling pawl
Patent
1974-07-29
1976-10-19
Gruber, Felix D.
Registers
Transfer mechanism
Traveling pawl
178DIG5, 235151, 235198, 250505, 444 1, G06F 1542, A61N 501
Patent
active
039872815
ABSTRACT:
A technique of radiation therapy treatment planning designed to allow the assignment of dosage limits directly to chosen points in the computer-displayed cross-section of the patient. These dosage limits are used as constraints in a linear programming attempt to solve for beam strengths, minimizing integral dosage. If a feasible plan exists, the optimized plan will be displayed for approval as an isodose pattern. If there is no feasible plan, the operator/therapist can designate some of the point dosage constraints as "relaxed." Linear programming will then optimize for minimum deviation at the relaxed points. This process can be iterated and new points selected until an acceptable plan is realized. In this manner the plan is optimized for uniformity as well as overall low dosage.
REFERENCES:
patent: 3783251 (1974-01-01), Pavkovich
patent: 3871579 (1975-03-01), Inamura
Umegaki: "Development of Computer Systems for Radiotharaphy of Cancer" Japan, Journal of Clinical Oncology, vol. 1, No. 1 Jan. 1971, pp. 65-82.
Sterling and Perry: "Computation of Radiation Dosages" Computers in Biomedical Research, vol. 1, 1965, pp. 439-464.
Sterling et al.: "The Dynamic Display of Radiation Therapy Plans Using Computer Produced Films" Radiology, vol. 107, No. 3, p. 689.
Weinkam et al.: A Versatile System for Three-Dimensional Radiation Dose Computation and Display, Computer Programs in Biomedicine 2, 1972, pp. 178-191.
Bahr et al.: The Method of Linear Programming Applied to Radiation Treatment Planning, Radiology No. 91, Oct. 1968, pp. 686-693.
Gruber Felix D.
The United States of America as represented by the Department of
LandOfFree
Method of radiation therapy treatment planning does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of radiation therapy treatment planning, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of radiation therapy treatment planning will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-104307