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MRI compatible co-radially wound lead assembly
专利权人:
Inc.;Imricor Medical Systems
发明人:
Thomas W. Lloyd,Steven R. Wedan,Gregg S. Stenzel
申请号:
US14063665
公开号:
US08843213B2
申请日:
2013.10.25
申请国别(地区):
US
年份:
2014
代理人:
摘要:
An MRI compatible lead assembly construct is provided. The construct includes at least two filter components constructed from an electrode wire. One filter component may be a resonant LC filter proximate an electrode that resolves the issue of insufficient attenuation by effectively blocking the RF induced current on the wire from exiting the wire through the electrode. The second filter component may include a non-resonant filter(s) positioned along the length of the electrode wire by co-radially winding at least two electrode wires. The non-resonant filter resolve(s) the issue of excessive heating of the resonant LC filter by significantly attenuating the current induced on the wire before it reaches the resonant LC filter.
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