Importance

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Abstract

Implementations described herein comprise expandable stents configured to maintain a substantially constant length between a collapsed position and a deployed position having a plurality of spring members and a plurality of biasable couplings connecting adjacent spring members. Each spring member includes a plurality of integrally connected wave members formed in a ring shape, each wave member has a plurality of curved segments having a plurality of substantially straight segments disposed therebetween. The plurality of biasable couplings are adapted to elongate upon movement of the stent from the collapsed position to the deployed position to proportionally compensate for the decrease in amplitude of the plurality of wave members of the plurality of spring members such that the stent maintains a substantially constant length.

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First Claim