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Diagnostic and guiding catheter

  • US 5,984,946 A
  • Filed: 02/27/1998
  • Issued: 11/16/1999
  • Est. Priority Date: 02/27/1998
  • Status: Expired due to Fees
First Claim
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1. A catheter apparatus comprising:

  • an elongated tubular body presenting a wall structure, opposed, proximal and distal ends and blood flow openings providing fluid communication between a first blood vessel and a second blood vessel when said body is located within said first vessel with said distal end communicating with said second vessel said distal end being preformed into a hook-shape; and

    an expandable positioning balloon operable for locating said distal end of said body within said first blood vessel and adjacent an ostium of said second blood vessel communicating with the first blood vessel,said expandable positioning balloon operably coupled with said body adjacent said distal end thereof, and a pressurizing tube passageway defined within said tubular body and extending between the proximal end and said positioning balloon for selectively expanding said positioning balloon structure from a point adjacent said proximal end of said body in order to selectively locate said distal end relative to said ostium.

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