SUBCUTANEOUSLY IMPLANTABLE LEAD INCLUDING DISTAL FIXATION MECHANISM
First Claim
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1. A subcutaneous implantable lead comprising:
- a coil disposed along a portion of the lead; and
a lead tip coupled to a distal end of the lead and comprising at least one component that is movable relative to the distal end of the lead and configured to anchor the lead tip in subcutaneous tissue.
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Accused Products
Abstract
A subcutaneously implantable lead includes a coil disposed along a portion of the lead, and a lead tip coupled to a distal end of the lead. The lead tip includes at least one component that is movable relative to the distal end of the lead and configured to anchor the lead tip in subcutaneous tissue.
33 Citations
24 Claims
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1. A subcutaneous implantable lead comprising:
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a coil disposed along a portion of the lead; and a lead tip coupled to a distal end of the lead and comprising at least one component that is movable relative to the distal end of the lead and configured to anchor the lead tip in subcutaneous tissue. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A subcutaneous implantable lead system comprising:
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a lead comprising a defibrillation electrode; a lead tip coupled to a distal end of the lead and comprising at least one arm that is movable relative to a central axis of the lead tip; a tunneling tool configured to removably couple with the lead tip and advance the lead tip subcutaneously; and a tubular member movable axially along the tunneling tool to displace a portion of the arm laterally away from the central axis of the lead tip and anchor the lead tip in subcutaneous tissue. - View Dependent Claims (16, 17)
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18. A method of implanting a lead in a patient, the lead attachable to an implantable cardiodefibrillator (ICD), the method comprising:
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subcutaneously advancing a lead tip attached to a distal end of the lead through a surgical incision formed in the patient'"'"'s skin with a tunneling tool that is removably attached to the lead tip; and activating a movable portion of the lead tip from a proximal end of the lead to fix the distal end of the lead in subcutaneous tissue. - View Dependent Claims (19, 20, 21, 22, 23, 24)
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Specification