Vascular bifurcation prosthesis with multiple linked thin fronds
First Claim
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1. A prosthesis for placement at an opening from a main body lumen to a branch body lumen, the prosthesis comprising:
- a radially expansible support having a cylindrical body extending between a distal end and a proximal end of the support and along a longitudinal axis of the prosthesis, the support configured to be deployed in at least a portion of the branch body lumen;
a plurality of fronds extending axially from either the proximal or distal end of the support and disposed around the longitudinal axis, the fronds having sufficient length to reach a portion of the main body lumen opposing the ostium; and
at least one circumferential link connecting at least a first and a second frond, the circumferential link spaced axially apart from the support.
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Abstract
A prosthesis is disclosed for placement at an Os 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 support is configured to be deployed in the branch body lumen, with the circumferentially extending link in the main lumen and the frond extendable across the Os.
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Citations
69 Claims
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1. A prosthesis for placement at an opening from a main body lumen to a branch body lumen, the prosthesis comprising:
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a radially expansible support having a cylindrical body extending between a distal end and a proximal end of the support and along a longitudinal axis of the prosthesis, the support configured to be deployed in at least a portion of the branch body lumen; a plurality of fronds extending axially from either the proximal or distal end of the support and disposed around the longitudinal axis, the fronds having sufficient length to reach a portion of the main body lumen opposing the ostium; and at least one circumferential link connecting at least a first and a second frond, the circumferential link spaced axially apart from the support. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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34. A prosthesis for placement at an ostium opening from a main body lumen to a branch body lumen, the prosthesis comprising:
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a radially expansible branch vessel support having a first wall pattern, the support configured to be deployed in at least a portion of the branch body lumen; a plurality of fronds extending axially from either a proximal or distal end of the support, the fronds having a second wall pattern different from the first wall pattern; and a radially expansible connector, spaced axially apart from the branch vessel support by the fronds and connecting each of the fronds. - View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47)
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48. A prosthesis for placement at an opening from a main body lumen to a branch body lumen, the prosthesis comprising:
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a radially expansible support having a cylindrical body extending along a longitudinal axis between a distal end and a proximal end, at least the distal end entirely surrounding the longitudinal axis, the support configured to be deployed in at least a portion of the branch body lumen; at least one frond extending from either the proximal or distal end of the support and configured to be positioned across the ostium and into the main body lumen; and at least one circumferential member connected to the frond, the circumferential member spaced axially apart from the support. - View Dependent Claims (49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69)
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Specification