Lead anchor for implantable stimulation devices and methods of manufacture and use
First Claim
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1. A lead anchor, comprising:
- a body defining a first opening and a second opening through which a lead can pass, wherein the body comprises an outer housing and an inner sleeve, wherein the outer housing defines a lumen through which the lead can pass, and wherein the inner sleeve is slidably engaged with the outer housing on an axis that is parallel to the lumen of the outer housing; and
a protrusion and a corresponding depression within the body and defined by the inner sleeve, wherein the corresponding depression is opposite the protrusion on the inner sleeve and the protrusion and depression cooperate to form a non-linear path, as defined by a longitudinal line along the center of the lead, for the lead through the body to resist movement of the lead within the lead anchor.
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Abstract
A lead anchor includes a body defining a first opening and a second opening through which a lead can pass. A protrusion and a corresponding depression may be provided within the body that cooperate to form a non-linear path for the lead through the housing to resist movement of the lead within the lead anchor.
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Citations
20 Claims
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1. A lead anchor, comprising:
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a body defining a first opening and a second opening through which a lead can pass, wherein the body comprises an outer housing and an inner sleeve, wherein the outer housing defines a lumen through which the lead can pass, and wherein the inner sleeve is slidably engaged with the outer housing on an axis that is parallel to the lumen of the outer housing; and a protrusion and a corresponding depression within the body and defined by the inner sleeve, wherein the corresponding depression is opposite the protrusion on the inner sleeve and the protrusion and depression cooperate to form a non-linear path, as defined by a longitudinal line along the center of the lead, for the lead through the body to resist movement of the lead within the lead anchor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14)
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13. An implantable stimulation device, comprising:
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a control module; an electrode array; a lead coupling the control module to the electrode array; and at least one lead anchor disposed around a portion of the lead, wherein the lead anchor comprises a body defining a first opening and a second opening through which the lead can pass, wherein the body comprises an outer housing and an inner sleeve, wherein the outer housing defines a lumen through which the lead can pass, and wherein the inner sleeve is movably engaged with the outer housing on an axis that is parallel to the lumen of the outer housing; and a protrusion and a corresponding depression within the body and defined by the inner sleeve, wherein the corresponding depression is opposite the protrusion on the inner sleeve and the protrusion and depression cooperate to form a non-linear path, as defined by a longitudinal line along the center of the lead, for the lead through the body to resist movement of the lead within the lead anchor.
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15. A method of implanting an implantable stimulation device, the method comprising:
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implanting an electrode array near tissue to be stimulated; implanting a control module; coupling the electrode array to the control module using a lead; anchoring the lead to the surrounding tissue using a lead anchor, wherein the lead anchor comprises a body defining a first opening and a second opening through which the lead can pass and a protrusion and a corresponding depression within the body that cooperate to form a non-linear path, as defined by a longitudinal line along the center of the lead, for the lead through the body to resist movement of the lead within the lead anchor, wherein the corresponding depression is opposite the protrusion, wherein the body comprises an outer housing and an inner sleeve and the protrusion and depression are defined by the inner sleeve, wherein the outer housing defines a lumen through which the lead can pass, and wherein the inner sleeve is movably engaged with the outer housing on an axis that is parallel to the lumen of the outer housing. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification