Stent/fiber structural combinations

Details Stent/fiber structural combinations Stent/fiber structural combinations

A - Human Necessities

61

F

A61F 2/90 (2006.01) A61L 31/02 (2006.01) A61L 31/04 (2006.01)

Patent

CA 2632391

A plurality of endoluminal segments axially connected by fiber bridges is disclosed. The endoluminal segments may either be balloon-expandable or self-expanding, with the preferred embodiment being superelastic nitinol. The intraluminal segments may possess a textured surface or at least one geometric feature per segment, preferably located at the apex of a strut pair comprising the intraluminal segment, preferably capable of serving as an anchoring point for the fiber bridges. These geometric features may transmit axially compressive loads during deployment from a device such as a catheter, and may further be capable of interlocking the endoluminal segments when constrained within a device such as a catheter. The fibers comprising the bridges may be polymeric, silk, collagen, bioabsorbable, or a blend thereof. The fiber network comprising the bridges may be regularly oriented, randomly oriented, localized, or continuous. Moreover, the intraluminal segments and fiber bridges may be individually impregnated with therapeutic material, or may both be impregnated with therapeutic material.

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