| 摘要 |
PROBLEM TO BE SOLVED: To provide stents, valved-stents and methods, and systems for their delivery.SOLUTION: Embodiments of the present disclosure are directed to stents, valved-stents, (e.g., single-stent-valves and double stent/valved-stent systems) and associated methods and systems for their delivery via minimally-invasive surgery. In some embodiments, a replacement valve for use within a human body is provided, where the replacement valve includes a valve component and a stent component (the replacement valve also being referred to as a valved-stent or a stent valve, and may be used interchangeably with replacement valve throughout the disclosure). The stent component defines a first (e.g., proximal) end and a second (e.g., distal) end and may include a plurality of stent section, and in some embodiments, at least four stent sections. |
