Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1997-02-27
1999-01-05
Hannaher, Constantine
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
G01T 120
Patent
active
058566732
ABSTRACT:
In a depth dose measuring apparatus, a fluorescent substance block (1) bundling scintillation fibers of which radiation absorption characteristic is close to that of tissue, is disposed orthogonally to the incident direction of radiation (4-1). The fluorescence intensity distribution on the fiber end faces of the fluorescent substance block (1) is measured by an image measuring device (6). Therefore, the two-dimensional fluorescence intensity distribution in the incident direction of radiation and in another orthogonal direction, that is, the absorption dose distribution can be measured simultaneously by one irradiation. Moreover, if the fluorescent substance block (1) is composed by laminating plate-form scintillators, one-dimensional absorption dose distribution in the depth direction can be measured by one operation.
REFERENCES:
patent: 4845769 (1989-07-01), Burstein et al.
patent: 5675151 (1997-10-01), Oka et al.
Takahiko Aoyama et al, "A Scintillating Fiber Depth-Dose Measuring Device for Electron Beam Therapy", published as part of The Summary of the 33rd Symposium of Isotope Investigation in Science and Technology, p. 52, 2a-I-4, Jul., 1996.
The Department of Physics in the Japanese Medical Radioactive Rays Academy, "Measuring of Absorbed Dose of .sup.60 Co .gamma.-ray", published by Tsushosangyo Kenkyusha, Ltd. Feb. 28, 1986.
Toyo Medic, Inc., "240-type of CIPS Dose Plotting System by Three-dimensional Computer Control", Sep. 8, 1995.
"Chapter 1 .sup.60 Co Gamma-Ray and high energy X-ray, I. X, .gamma.-ray (the case that SSD is constant)", p. 19 Physics Committee of Japan society of Medical Radiation, published by Trade and Industry Research Co.
Hayakawa Toshifumi
Ikegami Kazunori
Nishizawa Hiroshi
Hannaher Constantine
Mitsubishi Denki & Kabushiki Kaisha
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