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Delivery system having retractable wires as a coupling mechanism and a deployment mechanism for a self-expanding prosthesis
Delivery system having retractable wires as a coupling mechanism and a deployment mechanism for a self-expanding prosthesis
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机译:具有可伸缩线作为连接机构的展开系统和用于自扩张假体的展开机构
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摘要
A delivery system for transcatheter implantation of a heart valve prosthesis. The delivery system includes an outer sheath component defining a lumen therethrough, an elongate tube having at least two flat wires longitudinally extending from a distal end thereof, and self-expanding first and second frames disposed in series within a distal portion of the outer sheath component and held in a compressed delivery configuration therein. The elongate tube and the at least two flat wires are slidably disposed within the lumen of the outer sheath component. In the compressed delivery configuration the at least two flat wires longitudinally extend along exterior portions of the first and second frames and are woven through adjacent ends of the first and second frames to releasably couple them to each other. Proximal retraction of the at least two flat wires from the first and second frames releases at least the first frame from the delivery system.
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