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Rapid exchange catheter

  • US 5,336,184 A
  • Filed: 07/15/1993
  • Issued: 08/09/1994
  • Est. Priority Date: 07/15/1993
  • Status: Expired due to Term
First Claim
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1. An improved over the wire rapid exchange catheter having a generally elongated catheter body with a proximal end and a distal end, a first guidewire port at said distal end where the guidewire enters said catheter body, and a second guidewire port spaced proximally from said distal end where the guidewire exits said catheter body, the improvement comprising:

  • a reference marker affixed to said catheter body near said proximal end;

    an elongated guidewire channel formed on said catheter body near said proximal end;

    a third guidewire port formed in said proximal guidewire channel where the guidewire enters said proximal guidewire channel distal to said reference marker; and

    a fourth guidewire port formed in said proximal guidewire channel where the guidewire exits said proximal guidewire channel at the extreme proximal end of said elongated catheter body.

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