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System and method for delivering thermally sensitive and reverse-thermal gelation materials

  • US 20030125665A1
  • Filed: 12/02/2002
  • Published: 07/03/2003
  • Est. Priority Date: 08/05/1999
  • Status: Active Grant
First Claim
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1. A catheter system for injecting a therapeutic agent into a target site within the body of a patient, wherein the therapeutic agent exhibits differing viscosity at different temperatures, said catheter system comprising:

  • a catheter having a distal end adapted for inserting into the body and a proximal end adapted for receiving fluid from one or more fluid reservoirs, said catheter comprising;

    a first lumen extending from the proximal end of the catheter to the distal end of the catheter and communication to the exterior of the catheter near the distal end;

    an insulating layer surrounding the first lumen.

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