Electrical lead for an electronic device such as an implantable device
First Claim
1. An implantable lead which resists induction of a current from an electromagnetic field external to the lead, comprising:
- a plurality of pairs of adjacent segments of electrical wire, each pair comprising a first segment of electrical wire and a second segment of electrical wire; and
a plurality of inductors, each inductor being provided between the first segment of electrical wire and the second segment of electrical wire of a respective one of the plurality of pairs of adjacent segments, each inductor 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 the plurality of pairs of adjacent segments,wherein each inductor is configured and arranged to trap an electromagnetic field within a confined area in order to resist penetration of an external electromagnetic field into the confined area.
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Accused Products
Abstract
A lead for an electronic device which resists the induction of a current from an electromagnetic field external to said lead includes one or more pairs of adjacent segments of electrical wire, each of the pairs including a first segment of electrical wire and a second segment of electrical wire. The lead also includes one or more shielded RF chokes, wherein each of the shielded RF chokes is provided between the first segment of electrical wire and the second segment of electrical wire of a respective one of the one or more pairs of adjacent segments. Also, an implantable device that includes a generator for generating one or more electrical pulse and a lead as described for delivering the pulses to tissue within a patient'"'"'s body. A method for making the described implantable device is also provided.
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Citations
20 Claims
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1. An implantable lead which resists induction of a current from an electromagnetic field external to the lead, comprising:
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a plurality of pairs of adjacent segments of electrical wire, each pair comprising a first segment of electrical wire and a second segment of electrical wire; and a plurality of inductors, each inductor being provided between the first segment of electrical wire and the second segment of electrical wire of a respective one of the plurality of pairs of adjacent segments, each inductor 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 the plurality of pairs of adjacent segments, wherein each inductor is configured and arranged to trap an electromagnetic field within a confined area in order to resist penetration of an external electromagnetic field into the confined area. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of stimulating patient tissue, comprising:
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providing a generator for generating one or more electrical pulses and a lead for delivering one or more electrical pulses to tissue within the patient'"'"'s body, the lead comprising a plurality of pairs of adjacent segments of electrical wire, each pair comprising a first segment of electrical wire and a second segment of electrical wire, and a plurality of inductors, each inductor being provided between the first segment of electrical wire and the second segment of electrical wire of a respective one of the plurality of pairs of adjacent segments, each inductor 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 the plurality of pairs of adjacent segments, wherein each inductor is configured and arranged to trap an electromagnetic field within a confined area in order to resist penetration of an external electromagnetic field into the confined area; implanting at least a portion of the lead in the patient; operatively coupling the generator to the lead; and generating one or more electrical pulses at the generator and delivering the one or more electrical pulses through the lead to tissue adjacent the lead. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification