Catheter having tri-axial force sensor
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United States of America Patent
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May 7, 2013
Grant Date -
Oct 27, 2011
app pub date -
Jul 8, 2011
filing date -
Jun 9, 2006
priority date (Note) -
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Abstract
A catheter for diagnosis or treatment of a vessel or organ is provided in which a flexible elongated body includes a tri-axial force sensor formed of a housing and a plurality of optical fibers associated with the housing that measure changes in the intensity of light reflected from the lateral surfaces of the housing resulting from deformation caused by forces applied to a distal extremity of the housing. A controller receives an output of the optical fibers and computes a multi-dimensional force vector corresponding to the contact force.
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