Implantable medical lead including a directional electrode and fixation elements along an interior surface
First Claim
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1. An implantable medical lead comprising:
- a lead body defining an outer surface comprising;
a first outer surface portion; and
a second outer surface portion extending around at least ten percent of an outer perimeter of the lead body;
a fixation element extending a distance from the first outer surface portion, wherein a longitudinally-extending section of the second outer surface portion proximate to a distal end of the lead body is substantially devoid of any fixation elements that extend the distance from the second outer surface portion; and
at least one directional electrode coupled to the lead body, wherein the directional electrode directs electrical stimulation in a direction in which the fixation element extends from the first outer surface portion, and wherein the longitudinally-extending section of the second outer surface portion is substantially devoid of any exposed electrodes.
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Abstract
An implantable medical elongated member includes a first outer surface portion and a second outer surface portion extending around at least ten percent of an outer perimeter of the elongated member. A fixation element extends a distance from the first outer surface portion of the implantable medical elongated member. A longitudinally-extending section of the second outer surface portion proximate to a distal end of the elongated member is substantially devoid of any fixation elements that extend the distance from second outer surface portion. In some embodiments, the longitudinally-extending section of the second outer surface portion is substantially devoid of any exposed electrodes.
103 Citations
39 Claims
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1. An implantable medical lead comprising:
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a lead body defining an outer surface comprising; a first outer surface portion; and a second outer surface portion extending around at least ten percent of an outer perimeter of the lead body; a fixation element extending a distance from the first outer surface portion, wherein a longitudinally-extending section of the second outer surface portion proximate to a distal end of the lead body is substantially devoid of any fixation elements that extend the distance from the second outer surface portion; and at least one directional electrode coupled to the lead body, wherein the directional electrode directs electrical stimulation in a direction in which the fixation element extends from the first outer surface portion, and wherein the longitudinally-extending section of the second outer surface portion is substantially devoid of any exposed electrodes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. An implantable medical lead comprising:
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a substantially cylindrical lead body defining an outer surface comprising; a first outer surface portion; and a second outer surface portion extending around at least ten percent of an outer perimeter of the lead body; a fixation element extending a distance from the first outer surface portion; and at least one directional electrode coupled to the lead body, wherein a longitudinally-extending section of the second outer surface portion proximate to a distal end of the lead body is substantially devoid of any fixation elements that extend the distance from the second outer surface portion, and wherein the at least one directional electrode is configured to limit delivery of electrical stimulation to directions radially outward from the first outer surface portion and direct electrical stimulation in a direction in which the fixation element extends from the first outer surface portion. - View Dependent Claims (28, 29, 30, 31)
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32. A method for implanting a medical lead in a patient, the method comprising:
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introducing the medical lead into a body of a patient; and advancing the medical lead to a target therapy delivery site within the body of the patient, wherein the medical lead defines an outer surface comprising a first outer surface portion and a second outer surface portion extending around at least approximately ten percent of an outer perimeter of the medical lead, the medical lead further comprising at least one directional electrode coupled to the medical lead and a fixation element extending a distance from the first outer surface portion, wherein the second outer surface portion is substantially devoid of any exposed electrodes, wherein a longitudinally-extending section of the second outer surface portion proximate to a distal end of the medical lead is substantially devoid of any fixation elements that extend the distance from the second outer surface portion, and wherein the directional electrode directs electrical stimulation in a direction in which the fixation element extends from the first outer surface portion. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39)
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Specification