FIELD CONCENTRATING ANTENNAS FOR MAGNETIC POSITION SENSORS
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United States of America Patent
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Issued Date -
Sep 22, 2016
app pub date -
Mar 16, 2016
filing date -
Mar 16, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A medical device is configured for diagnosis or treatment of a tissue within a body. The medical device comprises an elongate member and a position sensor. The elongate member is configured to be received within the body, and has a lumen extending between a proximal end and a distal end. The position sensor is disposed within the lumen proximate the distal end of the deformable member. The position sensor comprises a coil wound to form a central passage and configured to generate a current flow when subject to a magnetic field, and a high-permeability antenna having at least a portion disposed outside the central passage to concentrate the magnetic field into the coil and increase the current flow.
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