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    • 32. 发明授权
    • Sutureless heart valve prosthesis
    • 无缝合心脏瓣膜假体
    • US06287339B1
    • 2001-09-11
    • US09321079
    • 1999-05-27
    • Demetrio J. VazquezLouis A. CampbellJeffrey M. Mabrey
    • Demetrio J. VazquezLouis A. CampbellJeffrey M. Mabrey
    • A61F224
    • A61F2/2403A61F2/2409A61F2250/0063
    • A heart valve prosthesis which incorporates a substantially permanently implantable abutment structure which is surgically attached to a native heart valve annulus through utilization of a resilient metal substructure having an attachment portion which moves into engagement with a native heart annulus upon being released from a retracted orientation. The system employs a positioning instrument which locates the abutment structure and associated heart valve prosthesis at the proper location for releasing the attachment components. Mechanical heart valve components including an occluder function are removably attached to the abutment structure using sutures, such that the valve function itself may be subsequently replaced.
    • 一种心脏瓣膜假体,其包括基本上永久性可植入的邻接结构,其通过利用具有附接部分的弹性金属子结构手术附接到天然心脏瓣膜环,所述附接部分在从缩回方向释放时移动到与天然心脏环的接合。 该系统使用定位仪器,其将邻接结构和相关联的心脏瓣膜假体定位在适当的位置以释放附接部件。 包括闭塞器功能的机械心脏瓣膜部件使用缝合线可拆卸地附接到邻接结构,使得阀功能本身可以随后被替换。