Diagnosis by proton bombardment

Details Diagnosis by proton bombardment Diagnosis by proton bombardment

1974-09-06

1976-09-14

Willis, Davis L.

Radiant energy

Inspection of solids or liquids by charged particles

Methods

G01N 2300

Patent

active

039808858

ABSTRACT:
Beams of monoenergetic protons or other charged ions are passed through the living human body to detect abnormalities and obstructions in body tissue, which abnormalities and obstructions are visualized as density variations in the particle image emerging from the body part under investigation. The particles used are preferably protons having an energy of 100 to 300 MeV, more especially 200 to 300 MeV. The method is of use in detecting inter alia tumors, blood clots, infarcts, soft tissue lesions and multiple sclerosis in patients without exposure to high radiation dosages.

REFERENCES:
patent: 3370167 (1968-02-01), Sterk
patent: 3573458 (1971-04-01), Anger
patent: 3761709 (1973-09-01), Hasegawa et al.
"Proton Radiography in Tumor Detection" Science, 179(1973), 913-914, Steward et al.
"Observation of Proton Tracks by a Plastic Detector" Varnagy et al, Nuclear Instruments and Methods, 89, No. 1, (1970) pp. 27-28.
"Investigating Crystal Structures with a Proton Beam", Livesey, Electronic Equipment News, vol. 12, No. 8, Nov. 1970, pp. 12-16.

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