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Intravascular catheter device and method for simultaneous local delivery of radiation and a therapeutic substance

  • US 6,645,135 B1
  • Filed: 03/30/2001
  • Issued: 11/11/2003
  • Est. Priority Date: 03/30/2001
  • Status: Expired due to Term
First Claim
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1. An intravascular catheter assembly comprising:

  • a body including a first end adapted to remain external to a patient'"'"'s body;

    an opposite second end including a porous inflation region adapted to be positioned at a treatment site within a vascular lumen of said patient'"'"'s body;

    one or more first lumens that deliver a solution that inflates said inflation region and passes through said pores to said treatment site; and

    a second lumen, wherein said porous inflation region is adapted to center said second lumen in said vascular lumen at said treatment site upon the inflation of said porous inflation region; and

    a radiation source adapted to be delivered through said second lumen from said first end to said second end of said body to provide a radiation treatment at said treatment site.

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