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Transcatheter mitral valve prosthesis

  • US 9,770,329 B2
  • Filed: 10/04/2013
  • Issued: 09/26/2017
  • Est. Priority Date: 05/05/2010
  • Status: Active Grant
First Claim
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1. A delivery system for delivering a prosthetic cardiac valve to a patient'"'"'s heart, said system comprising:

  • an inner guidewire shaft having a lumen extending therethrough, the lumen adapted to slidably receive a guidewire;

    a hub shaft concentrically disposed over the inner guidewire shaft, wherein the hub shaft comprises a plurality of slots formed into an outer surface of the hub shaft to create a plurality of discrete recessed regions and disposed adjacent a distal end thereof, the slots configured to receive and hold a portion of the prosthetic cardiac valve;

    a bell shaft slidably and concentrically disposed over the hub shaft, the bell shaft having a distal section and a proximal section;

    a sheath slidably and concentrically disposed over the bell shaft, wherein the distal section has a diameter larger than a diameter of the proximal section and wherein the sheath is disposed over the larger diameter section of the bell shaft during delivery of the prosthetic cardiac valve; and

    a handle near a proximal end of the delivery system, the handle comprising an actuator mechanism adapted to advance and retract the bell shaft and the sheath.

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