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Percutaneous heart valve
专利权人:
Edwards Lifesciences CardiAQ LLC
发明人:
Arshad Quadri
申请号:
US15289834
公开号:
US09974669B2
申请日:
2016.10.10
申请国别(地区):
US
年份:
2018
代理人:
摘要:
A percutaneous heart valve for deployment within a body cavity is described. The percutaneous heart valve includes an expandable frame having a plurality of cells adapted for allowing the frame to expand and collapse. A one-way valve is positioned within the expandable frame. The frame includes a proximal anchoring portion and a distal anchoring portion. The distal anchoring portion includes a plurality of distal anchors, each distal anchor having at least a portion positioned radially outwardly from the frame and extending in a direction that is substantially parallel with a longitudinal axis. The distal anchors preferably bend radially outwardly before bending to extend toward the proximal anchoring portion. Radial expansion of the frame causes the proximal and distal anchoring portions to move closer together for capturing body tissue therebetween, thereby anchoring the percutaneous heart valve to the body tissue.
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中国工程科技知识中心
来源网址:
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