ENDOLUMINAL PROSTHETIC DEVICES HAVING FLUID-ABSORBABLE COMPOSITIONS FOR REPAIR OF A VASCULAR TISSUE DEFECT
First Claim
1. A prosthesis having a compressed configuration for delivery within a vasculature and a radially-expanded configuration for deployment within a target blood vessel in a patient, the prosthesis comprising:
- a tubular body havinga first end and a second end, the first end having an anchoring structure to engage an inner wall of the target blood vessel in the radially-expanded configuration; and
an elongated mid-portion between the first and second ends and including a channel formed in a wall thereof, wherein the channel is at least partially oriented circumferentially about the tubular body; and
a fluid-absorbable composition deposited within the channel, the fluid-absorbable composition having a first volume when the prosthesis is in the compressed configuration and configured to swell to a second volume within the channel upon deployment of the prosthesis within the target blood vessel to thereby transition at least the elongated mid-portion into the radially-expanded configuration.
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Accused Products
Abstract
Endoluminal prosthetic devices having fluid-absorbable compositions for repair of vascular tissue defects, such as an aneurysm or dissection, are disclosed herein. A prosthesis for repairing an opening or cavity within a target vessel region configured in accordance herewith includes a tubular body sized to substantially cover the opening or cavity, and having channels formed in a wall thereof. The channels can include a fluid-absorbable composition deposited therein and which is configured to absorb fluid (e.g., blood) and swell within the channels, thereby providing radial expansion of the tubular body in situ.
136 Citations
23 Claims
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1. A prosthesis having a compressed configuration for delivery within a vasculature and a radially-expanded configuration for deployment within a target blood vessel in a patient, the prosthesis comprising:
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a tubular body having a first end and a second end, the first end having an anchoring structure to engage an inner wall of the target blood vessel in the radially-expanded configuration; and an elongated mid-portion between the first and second ends and including a channel formed in a wall thereof, wherein the channel is at least partially oriented circumferentially about the tubular body; and a fluid-absorbable composition deposited within the channel, the fluid-absorbable composition having a first volume when the prosthesis is in the compressed configuration and configured to swell to a second volume within the channel upon deployment of the prosthesis within the target blood vessel to thereby transition at least the elongated mid-portion into the radially-expanded configuration. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 21, 22, 23)
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12. An expandable prosthetic device for implantation at a target blood vessel region to treat a target tissue defect in a patient, the device comprising:
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a tubular body formed of graft material, the tubular body having a wall between first and second ends and a lumen defined by the wall; a self-expanding anchor stent coupled to the first end for anchoring within the target blood vessel region when the device is implanted; and a plurality of expandable flanges arranged on an outer surface of the wall of the tubular body in a geometric pattern, wherein each expandable flange includes an encapsulation material coupled to the outer surface of the wall for forming a channel therebetween, and a fluid-absorbable composition contained within the channel, wherein the fluid-absorbable composition at least partially swells upon exposure to bodily fluids in situ, wherein at least partial swelling of the fluid-absorbable composition within the channel aids in radial expansion of the tubular body. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification