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PROSTHETIC HEART VALVE HAVING MULTI-LEVEL SEALING MEMBER
专利权人:
EDWARDS LIFESCIENCES CORPORATION
发明人:
COHEN-TZEMACH, Hanoch,LEVI, Tamir S.,NIR, Noam,FELSEN, Bella
申请号:
SG11201806358Q
公开号:
SG11201806358QA
申请日:
2017.02.09
申请国别(地区):
SG
年份:
2018
代理人:
摘要:
Embodiments of a prosthetic heart valve are disclosed. An implantable prosthetic valve may be radially collapsible to a collapsed configuration and radially expandable to an expanded configuration. The prosthetic valve may comprise an annular frame, a leaflet structure positioned within the frame and a plurality of outer skirts positioned around an outer surface of the frame, each outer skirt comprising an inflow edge secured to the frame and an outflow edge secured at intervals to the frame. The plurality of outer skirts may include a first outer skirt and a second outer skirt, wherein in the expanded configuration the first and second outer skirts include openings unsecured to the frame between the intervals. The inflow edge of the first annular outer skirt may be secured to the frame with sutures including radiopaque material. The first annular outer skirt may include radiopaque dye.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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