Flexible Barb for Anchoring a Prosthesis
First Claim
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1. A system for anchoring an endoluminal prosthesis comprising:
- a barb comprising a base and a retractable body extending distally from the base towards a distal anchor, where the retractable body comprises;
a hinge disposed between the base and the anchor and spaced apart from the base;
a first arm disposed between the base and the hinge; and
a second arm disposed between the anchor and the hinge;
where the anchor pivots about the hinge between a retracted configuration and an extended configuration.
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Abstract
A system for anchoring an endoluminal prosthesis comprises a barb. The barb comprises a base, a retractable body extending distally from the base towards a distal anchor, and a hinge disposed between the base and the anchor and spaced apart from the base. The anchor pivots about the hinge between a retracted configuration and an extended configuration. Additional devices, systems, and methods are disclosed.
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Citations
20 Claims
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1. A system for anchoring an endoluminal prosthesis comprising:
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a barb comprising a base and a retractable body extending distally from the base towards a distal anchor, where the retractable body comprises;
a hinge disposed between the base and the anchor and spaced apart from the base;
a first arm disposed between the base and the hinge; and
a second arm disposed between the anchor and the hinge;
where the anchor pivots about the hinge between a retracted configuration and an extended configuration. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A system for anchoring an endoluminal prosthesis comprising:
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a support structure; and
a barb comprising a base, an anchor, and a hinge disposed between the base and the anchor and spaced apart from the base;
where the base is attached to the support structure and where the anchor pivots about the hinge between a retracted configuration and an extended configuration. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A method of tuning an anchor for an endoluminal prosthesis, the method comprising the steps of:
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providing a retractable barb comprising a proximal end and a distal end, where a distal portion of the barb comprises an anchor;
providing a support structure for an endoluminal prosthesis;
determining a free length of the barb that corresponds with a predetermined barb anchoring force; and
selectively attaching the barb to the support structure so that the length of the barb that extends freely from the support structure is generally equal to the free length.
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Specification