Conditioning of coupled electromagnetic signals on a lead
First Claim
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1. A medical electrical lead, comprising:
- an elongate body having a proximal end portion, a middle portion, and a distal end portion and at least one coil wound about at least one of said proximal end portion, said middle portion, and said distal end portion, said coil positioned to provide for filtering of radio frequency (RF) signal-coupled electrical energy at least at one of said proximal end portion and said distal end portion.
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Abstract
A method and an apparatus for reducing coupled electrical energy resulting from an electromagnetic field. Embodiments of the present invention provide for an elongate body having a proximal end portion, a middle portion, and a distal end portion and at least one coil wound about at least one of the proximal end portion, the middle portion, and the distal end portion, the coil to provide for filtering of radio frequency (RF) signal-coupled electrical energy.
213 Citations
31 Claims
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1. A medical electrical lead, comprising:
an elongate body having a proximal end portion, a middle portion, and a distal end portion and at least one coil wound about at least one of said proximal end portion, said middle portion, and said distal end portion, said coil positioned to provide for filtering of radio frequency (RF) signal-coupled electrical energy at least at one of said proximal end portion and said distal end portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A medical electrical lead, comprising:
an elongate body having a proximal end portion, a middle portion, and a distal end portion and at least one coil wound about at least one of said proximal end portion, said middle portion, and said distal end portion, said coil to provide an inductive impedance in parallel with a capacitive impedance for reducing coupled electrical energy at least on said proximal end portion and said distal end portion, resulting in the presence of an electromagnetic field. - View Dependent Claims (21, 22, 23)
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24. A implantable medical device system, comprising:
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an implantable medical device; and
a medical electrical lead operatively coupled to said implantable medical device, said medical electrical lead having a proximal end portion, a middle portion, and a distal end portion and at least one coil wound about at least one of said proximal end portion, said middle portion, and said distal end portion, said coil to provide an inductive impedance in parallel with a capacitive impedance for reducing coupled electrical energy resulting in the presence of an electromagnetic field. - View Dependent Claims (25, 26, 27, 28)
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29. A method for trapping an radio frequency (RF) signal coupled to electrical energy on a medical electrical lead, comprising:
providing at least one wound coil around at least one of a proximate end portion, a middle portion, and a distal end portion of said medical electrical lead such that said coil provides an inductive impedance in parallel with a capacitive impedance to reduce said coupled electrical energy. - View Dependent Claims (30, 31)
Specification