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    • 2. 发明申请
    • MITRAL BIOPROSTHESIS WITH LOW VENTRICULAR PROFILE
    • 具有低通气剖面的麻醉生物学
    • WO2012054776A1
    • 2012-04-26
    • PCT/US2011/057170
    • 2011-10-20
    • MEDTRONIC INCKOVALSKY, IgorCLAGUE, Cynthia T.
    • KOVALSKY, IgorCLAGUE, Cynthia T.
    • A61F2/24
    • A61F2/2418A61F2220/0016A61F2230/0013A61F2230/0054A61F2230/008A61F2250/0039A61F2250/0063
    • A heart valve prosthesis configured for placement at a mitral valve in the heart is disclosed that includes a stent-like support structure for supporting a prosthetic mitral valve. The support structure is configured to have a low ventricular profile with only a short length thereof protruding into the left ventricle when deployed in vivo. The support structure includes an upstream section that is outwardly expandable to sit against the atrial wall so as to at least partially anchor the prosthesis therein and a downstream section to which the prosthetic mitral valve is coupled that extends between the left atria and ventricle through the native mitral valve. The low-ventricular profile of the prosthesis is achieved by shaping the support structure such that the downstream section extends within and overlaps with the upstream section at given regions around the circumference of the support structure in an expanded configuration.
    • 公开了一种配置用于置于心脏二尖瓣的心脏瓣膜假体,其包括用于支撑假体二尖瓣的支架状支撑结构。 支撑结构被配置为具有低的心室轮廓,当在体内部署时,其仅具有短的长度突出到左心室。 所述支撑结构包括上游部分,所述上游部分向外可扩张以抵靠所述心房壁,以至少部分地将所述假体锚定在其中并且所述假性二尖瓣联接的下游部分在所述左心房和心室之间延伸穿过所述天然 二尖瓣 通过使支撑结构成形来实现假体的低心室轮廓,使得下游部分在扩展构型中在支撑结构的圆周周围的给定区域处与上游部分延伸并重叠。