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Transcatheter prosthetic heart valve delivery device using funnel recapture function and method
专利权人:
メドトロニック,インコーポレイテッド;メドトロニック,インコーポレイテッド
发明人:
マーレイ ザ サード ロバート,デーシュムク スシール,サヴェージ パドレイグ,ラスト マシュー
申请号:
JP2013504954
公开号:
JP5846395B2
申请日:
2011.04.07
申请国别(地区):
JP
年份:
2016
代理人:
摘要:
A delivery device for percutaneously deploying a stented prosthetic heart valve. The device includes a delivery capsule and a recapture sheath. The capsule is configured to compressively retain the prosthesis. The recapture sheath includes a funnel segment having a plurality of circumferentially spaced runners and a polymer overlay. The runners are attached to a shaft and terminate at a distal tip. The overlay surrounds the runners, and is bonded to the shaft but not to at least the tips. The funnel segment is transitionable from a normal condition to an expanded condition forming a funnel shape with a distally increasing diameter, and self-transitionable back toward the normal condition. The funnel segment facilitates sliding of the capsule over a partially deployed region of the prosthesis as part of a recapturing operation. The runners provide columnar strength, with the overlay controlling a shape of the funnel segment.
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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