Wire hook coupling for lead extension and extraction
First Claim
1. A device for extending a lead, comprising:
- a body having a proximal end and a distal end, the distal end having a first aperture and a second aperture, the body having an inner lumen, the first and second apertures extending from an outside of the body to the inner lumen;
a filamentous element extending through the inner lumen, out of the first aperture, and into the second aperture to form a filament loop extending from the body;
a tightening mechanism operatively coupled to the body, the tightening mechanism configured to twist the filamentous element to compress a lead body between the filament loop and the body; and
a tether coupled to the body, the tether configured to extend further proximally than a proximal-most end of the lead body when the lead body is compressed between the filament loop and the body, the tether further configured to transfer at least a portion of a tension force applied to the tether to the lead body.
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Accused Products
Abstract
A device for extending a lead according to an embodiment of the present disclosure includes a body having proximal and distal ends, the distal end having first and second apertures, the body having an inner lumen, the first and second apertures extending from an outside of the body to the inner lumen; a filamentous element extending out of the first aperture and into the second aperture to form a filament loop extending from the body; a tightening mechanism configured to twist the filamentous element to compress a lead body between the filament loop and the body; and a tether coupled to body and configured to extend further proximally than a proximal-most end of the lead body when the lead body is compressed between the filament loop and body, the tether further configured to transfer at least a portion of a tension force applied to the tether to the lead body.
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Citations
20 Claims
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1. A device for extending a lead, comprising:
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a body having a proximal end and a distal end, the distal end having a first aperture and a second aperture, the body having an inner lumen, the first and second apertures extending from an outside of the body to the inner lumen; a filamentous element extending through the inner lumen, out of the first aperture, and into the second aperture to form a filament loop extending from the body; a tightening mechanism operatively coupled to the body, the tightening mechanism configured to twist the filamentous element to compress a lead body between the filament loop and the body; and a tether coupled to the body, the tether configured to extend further proximally than a proximal-most end of the lead body when the lead body is compressed between the filament loop and the body, the tether further configured to transfer at least a portion of a tension force applied to the tether to the lead body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for extending a lead, comprising:
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placing a lead through a filament loop, the filament loop formed of a filamentous element extending through an inner lumen of a body, out of a first aperture formed through a distal end of the body between the inner lumen and an outer surface of the body, and back through a second aperture formed through the distal end of the body between the inner lumen and the outer surface of the body, and back through the inner lumen of the body; tightening the filament loop by pulling each free end of the filamentous element proximally through the inner lumen; further tightening the filament loop by twisting the filamentous element within the inner lumen between the proximal and distal ends of the body to compress the lead against the outer surface of the body with the filament loop; and applying tension to the lead by applying tension to a tether that is coupled to the lead via the body when the filament loop is tightened about the lead. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification