RADIOTHERAPY APPARATUS USING TRANSMISSION TYPE DOSIMETER
First Claim
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1. A transmission type dosimeter comprising:
- electrodes configured to collect charged particles ionized with radiation;
a body, in a cavity of which, said electrodes are arranged; and
a lid configured to seal the cavity in said body,wherein said lid comprises;
a fixing frame section fixed on said body; and
a transmission section unitarily formed with said fixing frame section, andsaid transmission section is thinner than said fixing frame section.
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Abstract
A transmission type dosimeter includes electrodes configured to collect charged particles ionized with radiation, a body, in a cavity of which, the electrodes are arranged, and a lid configured to seal the cavity in the body. The lid includes a fixing frame section fixed on the body, and a transmission section formed with the fixing frame section as a unit body. The transmission section is thinner than the fixing frame section.
15 Citations
15 Claims
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1. A transmission type dosimeter comprising:
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electrodes configured to collect charged particles ionized with radiation; a body, in a cavity of which, said electrodes are arranged; and a lid configured to seal the cavity in said body, wherein said lid comprises; a fixing frame section fixed on said body; and a transmission section unitarily formed with said fixing frame section, and said transmission section is thinner than said fixing frame section. - View Dependent Claims (2, 3)
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4. A transmission type dosimeter system comprising:
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a transmission type dosimeter configured to measure a dose of radiation; a sensor configured to measure a parameter of environment of said transmission type dosimeter; and a control unit configured to correct the measured dose based on said measured parameter, wherein said transmission type dosimeter comprises; electrodes configured to collect charged particles ionized with radiation; a body, in a cavity of which, said electrodes are arranged; and a lid configured to seal the cavity in said body; wherein said lid comprises; a fixing frame section fixed on said body; and a transmission section unitarily formed with said fixing frame section, and said transmission section is thinner than said fixing frame section. - View Dependent Claims (5, 6, 7, 8, 9, 10)
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11. A radiotherapy apparatus comprising:
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a transmission type dosimeter configured to measure a dose of radiation; an irradiation head configured to emit therapeutic radiation which transmits said transmission type dosimeter; and a control unit configured to control said irradiation head to change a dose of the emitted therapeutic radiation based on the measured dose, wherein said transmission type dosimeter comprises; electrodes configured to collect charged particles ionized with said therapeutic radiation; a body, in a cavity of which, said electrodes are arranged; and a lid configured to seal the cavity in said body, wherein said lid comprises; a fixing frame section fixed on said body; and a transmission section unitarily formed with said fixing frame section to transmit said therapeutic radiation, and said transmission section is thinner than said fixing frame section. - View Dependent Claims (12, 13, 14)
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15. A method of manufacturing a transmission type dosimeter comprising:
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producing a lid of a fixing frame section and a transmission section which is thinner than said fixing frame section; and fixing said lid to a body to seal an inside of the body in which electrodes arranged to collect charged particles ionized with the therapeutic radiation.
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Specification