Scintillating Fiber Dosimeter for Magnetic Resonance Imaging Enviroment
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United States of America Patent
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Issued Date -
Jun 18, 2015
app pub date -
Dec 16, 2014
filing date -
Dec 18, 2013
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Abandoned
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Abstract
An x-ray detector for use in the presence of magnetic resonance imaging equipment provides a two-stage transmission path of optical fiber followed by a non-ferromagnetic shielded cable to displace measurement electronics outside of the concentrated magnetic and radiofrequency fields of the MRI device. Conversion from light to an electrical signal for this transmission path is provided by circuitry held in a non-ferromagnetic Faraday cage. In this way accurate x-ray measurements may be made in radiotherapy equipment working in conjunction with magnetic resonance imaging for accurate dose placement.
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