Optical waveguides – Optical waveguide sensor – Including physical deformation or movement of waveguide
Reexamination Certificate
2008-04-18
2011-11-01
Rahll, Jerry (Department: 2874)
Optical waveguides
Optical waveguide sensor
Including physical deformation or movement of waveguide
C600S182000
Reexamination Certificate
active
08050523
ABSTRACT:
A medical instrument system includes an elongate flexible instrument body with an optical fiber substantially encapsulated in a wall of the instrument body, the optical fiber including one or more fiber gratings. A detector is operatively coupled to the optical fiber and configured to detect respective light signals reflected by the one or more fiber gratings. A controller is operatively coupled to the detector, and configured to determine a twist of at least a portion of the instrument body based on detected reflected light signals. The instrument may be a guide catheter and may be robotically or manually controlled.
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Ramamurthy Bhaskar S.
Schlesinger Randall L.
Tanner Neal
Udd Eric
Younge Robert G.
Koninklijke Philips Electronics , N.V.
Pillsbury Winthrop Shaw & Pittman LLP
Rahll Jerry
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