A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 5/06 (2006.01) A61B 17/3201 (2006.01) A61B 19/00 (2006.01) A61B 17/88 (2006.01)
Patent
CA 2586416
A medical tool for operating in a working volume of a magnetic position tracking system includes a first plurality of layers including an electrically conductive material and a second plurality of layers including an electrically insulating material and interleaved with the first plurality. The layers are arranged to reduce eddy current distortion in a magnetic field generated by the magnetic position tracking system. Another medical tool includes a core including a ferromagnetic material and an outer coating layer on the core. The coating layer includes a conductive material configured to produce eddy current distortion so as to cancel at least part of a distortion caused by the core in a magnetic field of the magnetic position tracking system. Yet another medical tool includes an electrically conducting loop-shaped element having an electrical discontinuity introduced therein, so as to reduce eddy current distortion caused by the loop-shaped element.
Bar-Tal Meir
Nitzan Ya'acov
Shalgi Avi
Yaron Uri
Biosense Webster Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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