发明名称 Heart valve replacement tools and procedures
摘要 There are disclosed various systems for installing a heart valve within a patient. In a first system, there are provided a heart valve installation assembly and an expandable heart valve ring installation assembly, each of which comprises a separate tool. The expandable heart valve ring assembly is provided to position and expand a heart valve ring into engagement with tissue. The valve installation assembly is provided to position and engage the heart valve with the expandable heart valve ring. In a second system, the heart valve installation assemblies and expandable ring installation assemblies are provided on a single tool or instrument. There are also disclosed various methods of installing an expandable heart valve ring within a heart and positioning and installing an artificial synthetic heart valve within the expanded heart valve ring.
申请公布号 US5984959(A) 申请公布日期 1999.11.16
申请号 US19970932570 申请日期 1997.09.19
申请人 UNITED STATES SURGICAL 发明人 ROBERTSON, JOHN CHARLES;MOULDER, BRIAN W.;PEDROS, ROBERTO
分类号 A61F2/24;(IPC1-7):A61F2/24 主分类号 A61F2/24
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