MRI-safe implantable medical device
First Claim
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1. A medical lead for use in a neurostimulation system of the type which includes a neurostimulator for generating electrical stimulation therapy, the lead comprising:
- an elongate insulating body;
at least one electrical conductor within said insulating body, said conductor having a DC resistance in the range of 375-2000 ohms and having a proximal end configured to be electrically coupled to the neurostimulator; and
at least one distal electrode coupled to said conductor.
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Abstract
A medical lead is provided for use in a pulse stimulation system of the type which includes a pulse generator for producing electrical stimulation therapy. The lead comprises an elongate insulating body and at least one electrical conductor within the insulating body. The conductor has a proximal end configured to be electrically coupled to the pulse generator and has a DC resistance in the range of 375-2000 ohms. At least one distal electrode is coupled to the conductor.
330 Citations
32 Claims
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1. A medical lead for use in a neurostimulation system of the type which includes a neurostimulator for generating electrical stimulation therapy, the lead comprising:
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an elongate insulating body;
at least one electrical conductor within said insulating body, said conductor having a DC resistance in the range of 375-2000 ohms and having a proximal end configured to be electrically coupled to the neurostimulator; and
at least one distal electrode coupled to said conductor. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A medical lead for use in a neurostimulation system of the type which includes a neurostimulator for generating electrical stimulation therapy, the lead comprising:
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an elongate insulating body;
at least one electrical conductor within said insulating body, said conductor having an inductance in the range of 40 nH/centimeter to 2.2 μ
H/centimeter and having a proximal end configured to be electrically coupled to the neurostimulator; and
at least one distal electrode coupled to said conductor. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A medical lead for use in a pulse stimulation system of the type which includes a pulse generator for producing electrical stimulation therapy, the lead comprising:
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an elongate insulating body;
at least one electrical conductor within said insulating body, said conductor having a DC resistance in the range of 1500-2000 ohms and having a proximal end configured to be electrically coupled to the pulse generator; and
at least one distal electrode coupled to said conductor. - View Dependent Claims (15)
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16. A medical lead for use in a pulse stimulation system of the type which includes a pulse generator for producing electrical stimulation therapy, the lead comprising:
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an elongate insulating body;
at least one electrical conductor within said insulating body, said conductor having an inductance in the range of 40 nH/centimeter to 2.2 μ
H/centimeter and having a proximal end configured to be electrically coupled to the pulse generator; and
at least one distal electrode coupled to said conductor.
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17. A medical lead for use in a neurostimulation system of the type which includes a neurostimulator for generating electrical stimulation therapy, the lead comprising:
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an elongate insulating body;
at least one electrical conductor within said insulating body, said conductor having an absolute impedance in the range of 10-594 ohms/centimeter at approximately 43 MHz. and configured to be electrically coupled to the neurostimulator; and
at least one distal electrode coupled to said conductor. - View Dependent Claims (18)
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19. A medical lead for use in a neurostimulation system of the type which includes a neurostimulator for generating electrical stimulation therapy, the lead comprising:
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an elongate insulating body;
at least one electrical conductor within said insulating body, said conductor having an absolute impedance in the range of 15-885 ohms/centimeter at approximately 64 MHz. and configured to be electrically coupled to the neurostimulator; and
at least one distal electrode coupled to said conductor. - View Dependent Claims (20)
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21. A medical lead for use in a neurostimulation system of the type which includes a neurostimulator for generating electrical stimulation therapy, the lead comprising:
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an elongate insulating body;
at least one electrical conductor within said insulating body, said conductor having an absolute impedance in the range of 30-594 ohms/centimeter at approximately 128 MHz. and configured to be electrically coupled to the neurostimulator; and
at least one distal electrode coupled to said conductor.
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22. A medical lead for use in a neurostimulation system of the type which includes a neurostimulator for generating electrical stimulation therapy, the lead comprising:
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an elongate insulating body;
at least one electrical conductor within said insulating body, said conductor having a length of approximately 28 centimeters and an impedance of approximately 266 ohms at approximately 43 MHz and having a proximal end configured to be electrically coupled to the neurostimulator; and
at least one distal electrode coupled to said conductor.
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23. A medical lead for use in a neurostimulation system of the type which includes a neurostimulator for generating electrical stimulation therapy, the lead comprising:
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an elongate insulating body;
at least one electrical conductor within said insulating body, said conductor having a length of approximately 28 centimeters and an impedance of approximately 364 ohms at approximately 64 MHz and having a proximal end configured to be electrically coupled to the neurostimulator; and
at least one distal electrode coupled to said conductor.
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24. A medical lead for use in a neurostimulation system of the type which includes a neurostimulator for generating electrical stimulation therapy, the lead comprising:
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an elongate insulating body;
at least one electrical conductor within said insulating body, said conductor having a length of approximately 28 centimeters and an impedance of approximately 728 ohms at approximately 128 MHz and having a proximal end configured to be electrically coupled to the neurostimulator; and
at least one distal electrode coupled to said conductor.
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25. A medical lead for use in a pulse stimulation system of the type which includes a pulse generator for producing electrical stimulation therapy, the lead comprising:
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an elongate insulating body;
at least one electrical conductor within said insulating body, said conductor having an inductance between 4 and 2,200 pH and configured to be electrically coupled to the pulse generator; and
at least one distal electrode coupled to said conductor. - View Dependent Claims (26, 27, 28, 29, 30)
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31. A neurostimulation system, comprising:
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a neurostimulator for generating electrical stimulation;
a conductive stimulation lead having a proximal end electrically coupled to said neurostimulator and having a distal end, said stimulation lead having a DC resistance in the range of 375-2000 ohms; and
at least one distal electrode proximate said distal end. - View Dependent Claims (32)
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Specification