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Convertible mode vascular catheter system

  • US 6,824,554 B1
  • Filed: 06/13/1991
  • Issued: 11/30/2004
  • Est. Priority Date: 05/24/1991
  • Status: Active Grant
First Claim
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1. An angioplasty catheter comprising:

  • a catheter shaft having a proximal end, a distal end, and an angioplasty balloon mounted on said shaft near said distal end;

    a guidewire lumen extending through said shaft adapted for receiving a steerable guidewire, wherein said guidewire lumen has an outside wall and a permanently formed proximal opening at or near the proximal end of said shaft adapted for insertion of a guidewire into said guidewire lumen; and

    a slit in the outside wall of said guidewire lumen extending distally from said proximal opening at least about 40 cm. for permitting a guidewire, when deployed in said guidewire lumen to be moved laterally from the guidewire lumen through the outside wall of said guidewire lumen.

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