Expandable coil stent
First Claim
Patent Images
1. A coil stent comprising a plurality of arcing segments and expandable links which together form a spiral which extends about a longitudinal axis of the stent, arcing segments connected by expandable links, the expandable links extending generally along the spiral, each expandable link having a longitudinal component which shrinks in a direction parallel to the longitudinal axis on expansion of the stent.
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Abstract
An implantable coil stent comprises at least a first curved segment and a second curved segment which arc about the longitudinal axis of the stent. An expandable link extends between the second end of the first curved segment and the first end of the second curved segment.
80 Citations
12 Claims
- 1. A coil stent comprising a plurality of arcing segments and expandable links which together form a spiral which extends about a longitudinal axis of the stent, arcing segments connected by expandable links, the expandable links extending generally along the spiral, each expandable link having a longitudinal component which shrinks in a direction parallel to the longitudinal axis on expansion of the stent.
- 8. A coil stent comprising a plurality of arching segments with serpentine segments extending therebetween, the arching segments and the serpentine segments together forming a substantially spiral path about a longitudinal axis of the stent.
Specification