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APPARATUSES AND METHODS FOR CUTTING A TISSUE BRIDGE AND/OR REMOVING A HEART VALVE CLIP OR SUTURE

  • US 20140228871A1
  • Filed: 09/28/2012
  • Published: 08/14/2014
  • Est. Priority Date: 09/28/2011
  • Status: Active Grant
First Claim
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1. An apparatus for excising and removing a clip or suture attached to a heart valve, the clip or suture forming a tissue bridge in said heart valve, the apparatus comprising:

  • an elongated shaft defining a hollow interior, said shaft having a first end and a second end;

    a handle attached to the second end of the shaft;

    an elongate clamping member for engaging and securing said clip or suture, said clamping member being attached to the first end of the shaft, the clamping member having a first end attached to the shaft and a second end;

    a blade located in said interior of said shaft and being moveable longitudinally in said shaft between said second end of the shaft and the second end of said clamping member, the blade being configured to completely encompass said clip and tissue bridge for cutting said tissue bridge when the clamping member is engaged to said tissue bridge;

    a clamping member actuating member attached to the handle, said clamping member actuating member being coupled to the clamping member for actuating the clamping member between the open and closed positions;

    a blade actuating member attached to the handle, said blade actuating member being coupled to said blade for actuating the blade from said second end of the shaft to said second end of said clamping member for cutting said tissue bridge;

    said clamping member further comprising a lumen extending therethrough to receive a guidewire;

    wherein said guidewire having been introduced into said heart valve adjacent said tissue bridge, and said guidewire having been introduced through each of said guidewire lumen, said apparatus being configured to be introduced over each of said guidewire to bring said clamping member into proximity to said tissue bridge.

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