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Dilatation catheter with enhanced distal end for crossing occluded lesions

  • US 7,763,043 B2
  • Filed: 01/09/2003
  • Issued: 07/27/2010
  • Est. Priority Date: 01/09/2003
  • Status: Active Grant
First Claim
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1. A catheter for dilating a lesion in a vascular conduit of a patient, said catheter comprising:

  • an inner tube defining a longitudinal axis;

    an inflatable balloon mounted on said inner tube, said balloon extending from a proximal end to a distal end; and

    a dilatation unit having a plurality of ribs with each said rib extending from a first end to a second end and wherein said first end is distanced from said longitudinal axis at a radial distance d1 and said second end distanced from said longitudinal axis at a radial distance d2 with d1<

    d2, wherein each said rib comprises a first elongated portion aligned substantially parallel with said longitudinal axis and a second elongated portion extending from said first portion and at an angle, α

    , thereto.

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