Reducing mechanical stress on conductors and connection points in a position determinable interventional medical device
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United States of America Patent
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Jun 28, 2016
Grant Date -
Jan 1, 2015
app pub date -
Sep 12, 2014
filing date -
Nov 18, 2002
priority date (Note) -
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Abstract
A medical device configured for diagnosis or treatment of tissues within a body is provided. The device includes an elongate, deformable member configured to be received within a lumen in the body and having proximal and distal ends. A position sensor is disposed at the distal end. In one embodiment, a conductor is wound about the member. The conductor is connected to the position sensor and has a first winding pitch over a first portion of the deformable member and a second winding pitch, different from the first winding pitch, over a second portion of the deformable member. In another embodiment, the member defines a neutral longitudinal axis extending between the proximal and distal ends. A conductor extending between the proximal and distal ends is connected to the position sensor at a connection node on the neutral axis.
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