Bioabsorbable polymeric medical device
First Claim
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1. An expandable biodegradable tubular scaffold comprising:
- a plurality of biodegradable first meanders forming an interconnected mesh, said mesh extending circumferentially about a longitudinal axis;
wherein each of said biodegradable first meanders are manufactured from a racemic polymer which crystallizes under the strain of expansion of said tubular scaffold;
a plurality of biodegradable second meanders, each of said second meanders being separate from another, and each extending circumferentially about said longitudinal axis in a single plane, said second meanders being nest in, and interconnected to, said first meanders,and a locking means, wherein the locking means is a two-part portion of one or different meandering strut elements located at proximal and distal ends of the scaffold and wherein the locking means comprises a cantilever arm hooking an oppositely shaped end piece of the scaffold.
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Abstract
In embodiments there is described a cardiovascular tube-shaped lockable and expandable bioabsorbable scaffold having a low immunogenicity manufactured from a crystallizable bioabsorbable polymer composition or blend.
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Citations
12 Claims
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1. An expandable biodegradable tubular scaffold comprising:
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a plurality of biodegradable first meanders forming an interconnected mesh, said mesh extending circumferentially about a longitudinal axis;
wherein each of said biodegradable first meanders are manufactured from a racemic polymer which crystallizes under the strain of expansion of said tubular scaffold;a plurality of biodegradable second meanders, each of said second meanders being separate from another, and each extending circumferentially about said longitudinal axis in a single plane, said second meanders being nest in, and interconnected to, said first meanders, and a locking means, wherein the locking means is a two-part portion of one or different meandering strut elements located at proximal and distal ends of the scaffold and wherein the locking means comprises a cantilever arm hooking an oppositely shaped end piece of the scaffold. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification