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Intravascular catheter with infusion array

  • US 5,609,574 A
  • Filed: 05/11/1994
  • Issued: 03/11/1997
  • Est. Priority Date: 11/02/1992
  • Status: Expired due to Fees
First Claim
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1. A method of delivering an agent to a treatment site on an interior wall of a blood vessel, the method comprising:

  • positioning a catheter in the blood vessel with an infusion array having a plurality of fluidly isolated delivery conduits at the distal end of the catheter near the treatment site, wherein each delivery conduit has a multiplicity of infusion orifices;

    expanding an expansion member at the distal end of the catheter to position the infusion array adjacent to the treatment site, the expansion member being fluidly isolated from the infusion array;

    thereafter, delivering an agent from a proximal housing to the infusion array such that delivery of the agent through each delivery conduit is controlled independently.

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