Lead fixation and extraction
First Claim
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1. A cardiac pacing or defibrillation lead, comprising:
- an elongated lead body including a separation point defining distal and proximal portions of the lead body;
at least one exposed electrode in the proximal portion of the lead body near the separation point; and
a non-conductive distal fixation component connected to the distal portion of the lead body, such that when the elongated lead body is separated at the separation point the fixation component retains the distal portion in position and allows the proximal portion with the at least one exposed electrode to be extracted.
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Abstract
A device for implantation in the vasculature of a patient can include a fixation mechanism for anchoring the device in place while allowing for easy removal of the device. The fixation mechanism can include a detachable and/or biodegradable portion that can allow for removal from the bulk of the device in order to allow for the bulk to simply be pulled from the body without likelihood of injury. These devices also can include electrode assemblies that do not promote fibrous in growth, further reducing the likelihood for injury upon extraction of the device.
128 Citations
24 Claims
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1. A cardiac pacing or defibrillation lead, comprising:
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an elongated lead body including a separation point defining distal and proximal portions of the lead body;
at least one exposed electrode in the proximal portion of the lead body near the separation point; and
a non-conductive distal fixation component connected to the distal portion of the lead body, such that when the elongated lead body is separated at the separation point the fixation component retains the distal portion in position and allows the proximal portion with the at least one exposed electrode to be extracted. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A cardiac pacing or defibrillation lead, comprising:
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an elongated lead body having a proximal end and a distal end;
at least one exposed electrode near the distal end of the lead body; and
a detachable fixation component connected near the distal end of the lead body, such that when the fixation component is detached from the lead body the lead body and exposed electrode can be extracted. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method of removing a lead from a body, comprising the steps of:
providing a lead including an elongated lead body having a proximal end and a distal end, at least one exposed electrode near the distal end of the lead body, and a detachable fixation component connected near the distal end of the lead body, with the lead implanted in a human body with the fixation component engaged with a portion of the body, applying traction to a portion of the lead body, causing the lead body to separate from the fixation component and extracting the lead body and exposed electrode from the human body. - View Dependent Claims (21, 22, 23, 24)
Specification