Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takayuki Kuwahara0
Norihiko Kamikonya0
Date of Patent
December 2, 2008
Patent Application Number
11549307
Date Filed
October 13, 2006
Patent Primary Examiner
Patent abstract
A radiotherapy monitoring apparatus for monitoring a treatment state by irradiation of radiations on a treatment region includes a flat panel detector that detects the radiations transmitted through the treatment region at least in two places, a comparing unit that compares a relative value of the transmitted radiations in the two places with a reference relative value, and control signal generating units that generate, when the relative value exceeds the reference relative value, a control signal for stopping the irradiation of the radiations.
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