Radiotherapy apparatus
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United States of America Patent
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-
Nov 30, 1993
Grant Date -
N/A
app pub date -
Apr 22, 1992
filing date -
Apr 22, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In order to construct a radiotherapy apparatus which can irradiate a point in the body of a patient in an optional direction with high accuracy, an accelerated electron beam is controlled electrically by using deflectors so as to irradiate a plurality of radioactive ray generating positions, a collimator is provided so that a radioactive ray generated from the positions can irradiate one point of a portion of the patient's body to be treated, and a gantry can be rotated mechanically.
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