Optical fiber shape sensing systems
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United States of America Patent
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Aug 20, 2013
Grant Date -
Jul 14, 2011
app pub date -
Mar 28, 2011
filing date -
Apr 20, 2007
priority date (Note) -
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Abstract
A medical instrument system includes an elongate instrument body defining a longitudinal axis and capable of being twisted about its longitudinal axis and an optical fiber sensor coupled to the instrument body. A detector is operatively coupled to the optical fiber sensor and configured to detect respective light signals transmitted on the optical fiber sensor. A controller is operatively coupled to the detector and configured to determine a twist of a portion of the instrument body about its longitudinal axis based on an analysis of detected light signals.
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