Method of treating vascular bifurcations
First Claim
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1. A method of treating a bifurcation between a first body lumen and a second body lumen, comprising:
- providing a radially expandable scaffold, having a first end portion, a second end portion, a support structure on the first end portion, a circumferential member on the second end portion and at least one elongate member extending therebetween, the at least one elongate member comprising;
a transition portion extending from a first end coupled with the support structure, the transition portion having a plurality of spaced apart axially undulating filaments, anda section with a single filament extending between the transition portion and a second end of the elongate member;
transluminally navigating the scaffold to a treatment site;
deploying the support structure in the first body lumen;
positioning an end of the transition portion on a first body lumen side of an ostium opening;
positioning an end of the single filament on a second body lumen side of the ostium opening; and
deploying the circumferential member in the second body lumen positioned a distance from the bifurcation.
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Abstract
A prosthesis is disclosed for placement across an ostium opening from a main body lumen to a branch body lumen. The prosthesis comprises a radially expansible support at one end, a circumferentially extending link at the other end and at least one frond extending axially therebetween. The circumferential link can comprise a catheter securement portion and a frond engagement portion.
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Citations
20 Claims
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1. A method of treating a bifurcation between a first body lumen and a second body lumen, comprising:
providing a radially expandable scaffold, having a first end portion, a second end portion, a support structure on the first end portion, a circumferential member on the second end portion and at least one elongate member extending therebetween, the at least one elongate member comprising; a transition portion extending from a first end coupled with the support structure, the transition portion having a plurality of spaced apart axially undulating filaments, and a section with a single filament extending between the transition portion and a second end of the elongate member; transluminally navigating the scaffold to a treatment site; deploying the support structure in the first body lumen; positioning an end of the transition portion on a first body lumen side of an ostium opening; positioning an end of the single filament on a second body lumen side of the ostium opening; and deploying the circumferential member in the second body lumen positioned a distance from the bifurcation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of supporting a vessel wall in the vicinity of an ostium between a first vessel and a second vessel, comprising:
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providing a prosthesis comprising a radially expandable support having a first density of struts in an unexpanded state, a circumferential member, and at least one elongate member therebetween, the elongate member comprising; a first end with a transition portion coupled to the support, the transition portion having a second density of struts in the unexpanded state greater than the first density of struts in the unexpanded state, a second end, and a section with a single filament extending between the transition portion to the second end of the elongate member; positioning the support in the first vessel; positioning the transition portion adjacent the ostium; positioning an end of the single filament in the second vessel; positioning the circumferential member in the second vessel; supporting an end of the transition portion against a wall in or adjacent to the first vessel; and biasing the second end of the elongate member radially outward and toward a second vessel wall spaced from the ostium. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification