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Chronic total occlusion device with variable stiffness shaft

  • US 20040073163A1
  • Filed: 11/07/2003
  • Published: 04/15/2004
  • Est. Priority Date: 07/30/2001
  • Status: Active Grant
First Claim
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1. A chronic total occlusion device, comprising:

  • an outer tubular member including a proximal end, a distal end, and a lumen extending therethrough;

    an inner tubular member disposed within the lumen, the inner tubular member having an inner lumen;

    an annular space between the outer tubular member and the inner tubular member; and

    a stiffening member disposed within the annular space.

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