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Electrical lead for an electronic device such as an implantable device

  • US 7,957,783 B2
  • Filed: 06/04/2009
  • Issued: 06/07/2011
  • Est. Priority Date: 05/04/2005
  • Status: Active Grant
First Claim
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1. An apparatus that may be implanted within a patient'"'"'s body which resists the induction of a current from an electromagnetic field external to said apparatus, comprising:

  • a generator for generating one or more electrical pulses;

    a lead for delivering the one or more electrical pulses to tissue within the patient'"'"'s body, said lead including;

    one or more pairs of adjacent segments of electrical wire, each of said pairs including a first segment of electrical wire and a second segment of electrical wire; and

    one or more shielded RF chokes, each of said shielded RF chokes being provided between the first segment of electrical wire and the second segment of electrical wire of a respective one of said one or more pairs of adjacent segments and having a first end operatively coupled to the first segment of electrical wire and a second end operatively coupled to the second segment of electrical wire of the respective one of said one or more pairs of adjacent segments, wherein said one or more pairs of adjacent segments comprises a plurality of pairs of adjacent segments of electrical wire and wherein said one or more shielded RF chokes comprises a plurality of shielded RF chokes.

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