System and method for lead fixation
First Claim
Patent Images
1. An implantable medical lead comprising:
- a lead body with a proximal end and a distal end;
an array comprising spaced-apart electrodes disposed along the distal end of the lead body;
a tip at the distal end of the lead body, wherein the tip includes adhesive configured and arranged for contacting tissue and adhering the lead to the tissue when the lead is implanted; and
a unitary, implantable sheath of flexible tubing disposed over at least a portion of the lead body and over at least a portion of each of two or more of the electrodes, wherein the sheath has biodegradable adhesive configured and arranged for contacting tissue and adhering the lead to the tissue when the lead is implanted.
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Accused Products
Abstract
A medical lead includes a pitted, grooved or threaded electrode array tip and a flexible tube or sheath encompassing the electrode array located near the lead tip. In some embodiments, the electrode array adheres to tissue, the tube or sheath adheres to the electrode array at the distal end of the electrode array or the tube or sheath adheres to tissue at the proximal end of the tube or sheath. Embodiments of the tube or sheath may be made from biodegradable material and can include electrode windows spaced along the tube or sheath corresponding to placement of electrode contacts of the electrode array.
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Citations
23 Claims
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1. An implantable medical lead comprising:
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a lead body with a proximal end and a distal end; an array comprising spaced-apart electrodes disposed along the distal end of the lead body; a tip at the distal end of the lead body, wherein the tip includes adhesive configured and arranged for contacting tissue and adhering the lead to the tissue when the lead is implanted; and a unitary, implantable sheath of flexible tubing disposed over at least a portion of the lead body and over at least a portion of each of two or more of the electrodes, wherein the sheath has biodegradable adhesive configured and arranged for contacting tissue and adhering the lead to the tissue when the lead is implanted. - View Dependent Claims (2, 3, 4)
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5. An implantable medical lead comprising:
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a lead body with a proximal end and a distal end; an array comprising spaced-apart electrodes disposed along the distal end of the lead body; a tip at the distal end of the lead body, wherein the lead body has a lumen along the lead length, which lumen has a first opening at the tip and a second opening at another location of the lead body, wherein adhesive may be injected through the second opening and out through the first opening; and a unitary, implantable sheath of flexible tubing disposed over at least a portion of the lead body and over at least a portion of each of two or more of the electrodes, wherein the sheath has biodegradable adhesive configured and arranged for contacting tissue and adhering the lead to the tissue when the lead is implanted. - View Dependent Claims (6)
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7. An implantable medical lead comprising:
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a lead body with a proximal end and a distal end; an array comprising spaced-apart electrodes disposed along the distal end of the lead body; a tip at the distal end of the lead body; and a unitary, implantable sheath of flexible tubing disposed over at least a portion of the lead body and over at least a portion of each of two or more of the electrodes, wherein the sheath has biodegradable adhesive configured and arranged for contacting tissue and adhering the lead to the tissue when the lead is implanted. - View Dependent Claims (8, 9)
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10. An implantable medical lead comprising:
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a lead body with a proximal end and a distal end; an array comprising spaced-apart electrodes disposed along the distal end of the lead body; a tip at the distal end of the lead body; and a unitary, implantable sheath of flexible tubing disposed over at least a portion of the lead body and over at least a portion of each of two or more of the electrodes, wherein the sheath is made from biocompatible, biodegradable material, wherein the sheath has biodegradable adhesive configured and arranged for contacting tissue and adhering the lead to the tissue when the lead is implanted. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. An implantable neurostimulator lead comprising:
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a lead body with a proximal end, a distal end, and a tip at the distal end of the lead body; a plurality of spaced-apart electrodes disposed along the distal end of the lead body, the electrodes configured and arranged for providing electrostimulation to surrounding tissue when the lead is implanted; and an implantable sheath disposed over at least a portion of the lead body and over at least a portion of each of two or more of the electrodes, wherein the sheath is slidably removable from the lead body after implantation, wherein the sheath has biodegradable adhesive configured and arranged for contacting tissue and adhering the lead to the tissue when the lead is implanted. - View Dependent Claims (18, 19, 20)
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21. An implantable medical lead comprising:
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a lead body with a proximal end, a distal end, and a tip at the distal end of the lead body; an array comprising spaced-apart electrodes disposed along the distal end of the lead body; and a unitary, implantable sheath of flexible tubing disposed over at least a portion of the lead body and over at least a portion of each of two or more of the electrodes, wherein the sheath is removable from the lead body and array of electrodes after implantation of the medical lead, leaving the sheath substantially intact, wherein the sheath has biodegradable adhesive configured and arranged for contacting tissue and adhering the lead to the tissue when the lead is implanted.
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22. An implantable medical lead comprising:
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a lead body with a proximal end, a distal end, and a tip at the distal end of the lead body; an array comprising spaced-apart electrodes disposed along the distal end of the lead body; and a unitary, implantable sheath of flexible tubing disposed over at least a portion of the lead body and over at least a portion of each of two or more of the electrodes, wherein the sheath is slidably removable from the lead body after implantation, wherein the sheath has biodegradable adhesive configured and arranged for contacting tissue and adhering the lead to the tissue when the lead is implanted.
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23. An implantable medical lead comprising:
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a lead body with a proximal end, a distal end, and a tip at the distal end of the lead body; an array comprising spaced-apart electrodes disposed along the distal end of the lead body; and a unitary, implantable sheath of flexible tubing disposed over at least a portion of the lead body and over at least a portion of each of two or more of the electrodes, wherein the lead is configured and arranged to allow removal of the lead body and array of electrodes from the sheath, when the lead is implanted in a patient body, leaving the sheath in the patient body, wherein the sheath has biodegradable adhesive configured and arranged for contacting tissue and adhering the lead to the tissue when the lead is implanted.
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Specification