公开(公告)号：US20110015728A1

公开(公告)日：2011-01-20

申请号：US12835546

申请日：2010-07-13

Applicant: Teodoro S. Jimenez ,  Walter Lee ,  Mark Dehdashtian ,  Kristopher Yee

Inventor： Teodoro S. Jimenez ,  Walter Lee ,  Mark Dehdashtian ,  Kristopher Yee

IPC: A61F2/24

CPC classification number: A61F2/2427 ,  A61F2/24 ,  A61F2/2412 ,  A61F2/2418 ,  A61F2/243 ,  A61F2/2433 ,  A61F2220/0016 ,  A61F2220/005 ,  A61M25/0133 ,  A61M25/0136 ,  A61M25/0138 ,  A61M25/0141 ,  A61M25/0144 ,  A61M25/0147 ,  A61M2025/015

Abstract: A delivery system and method for delivering a prosthetic heart valve to the aortic valve annulus. The system includes a delivery catheter having a steering mechanism thereon for delivering a balloon-expandable prosthetic heart valve to the aortic annulus in an antegrade fashion through an introducer passing into the left ventricle through its apex. The introducer may have a more floppy distal section than a proximal section to reduce trauma to the heart wall while preserving good operating field stability. The delivery catheter includes a deflecting segment just proximal to a distal balloon to facilitate positioning of the prosthetic heart valve in the proper orientation within the aortic annulus. A trigger in a catheter handle may be coupled to a deflection wire that actuates the deflecting segment, while a slider in the handle controls retraction of a valve pusher. The prosthetic heart valve may be installed over the existing calcified leaflets, and a pre-dilation valvuloplasty procedure may also be utilized.

Abstract translation: 用于将假体心脏瓣膜递送到主动脉瓣环的输送系统和方法。 该系统包括具有其上的转向机构的输送导管，用于通过穿过其顶点进入左心室的导引器以顺行方式将球囊可扩张的假体心脏瓣膜递送至主动脉环。 导引器可以具有比近端部分更软的远侧部分，以减少对心脏壁的创伤，同时保持良好的操作场稳定性。 输送导管包括刚好靠近远端气囊的偏转部分，以便于在主动脉瓣环内的正确取向中定位假体心脏瓣膜。 导管手柄中的触发器可以联接到致动偏转段的偏转线，而手柄中的滑块控制阀推动器的缩回。 假体心脏瓣膜可以安装在现有的钙化小叶上，并且还可以使用预扩张瓣膜成形术程序。