×

SYSTEMS, METHODS AND DEVICES FOR ABLATION, CROSSING, AND CUTTING OF OCCLUSIONS

  • US 20110054503A1
  • Filed: 09/30/2009
  • Published: 03/03/2011
  • Est. Priority Date: 09/02/2009
  • Status: Active Grant
First Claim
Patent Images

1. A crossing device, comprising, in combination:

  • a body coupled to a microcatheter at a proximal end of the microcatheter;

    a handle coupled to a blade at a proximal end of the blade, the blade disposed within a lumen of the microcatheter; and

    a spring configured to compress as the handle is advanced relative to the body;

    wherein a sharpened tip of the blade is configured to advance from a natural position within the lumen of the microcatheter to an extended position beyond a distal end of the microcatheter as the handle is advanced relative to the body;

    wherein the spring is configured to expand and retract the blade relative to the microcatheter as the handle is released.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×