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Radiation delivery centering catheter

  • US 5,938,582 A
  • Filed: 09/26/1997
  • Issued: 08/17/1999
  • Est. Priority Date: 09/26/1997
  • Status: Expired due to Fees
First Claim
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1. Apparatus for centering a radiation delivery device at a predetermined location in a body vessel, which comprises:

  • an elongated tubular catheter assembly having a distal end and a proximal end;

    insertion means for inserting said distal end of said catheter into a body vessel;

    centering means adjacent to said distal end for centering said catheter in said body vessel at said predetermined location and for allowing perfusion of bodily fluids through said body vessel past said centering means and said radiation delivery device;

    said centering means comprising at least three equal sized, spaced, elongated, outwardly extending inflatable lobes on said catheter adjacent to said distal end;

    a sleeve surrounding said lobes;

    means for inflating said lobes;

    a central lumen in said catheter;

    means adapted for inserting an elongated radiation delivery device into said central lumen until said radiation device is at said predetermined site.

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