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Catheter system and method for injection of a liquid embolic composition and a solidification agent

  • US 6,558,367 B1
  • Filed: 05/19/2000
  • Issued: 05/06/2003
  • Est. Priority Date: 10/17/1997
  • Status: Expired due to Term
First Claim
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1. A catheter system useful for controlling solidification in vivo of liquid embolic compositions which catheter system comprises:

  • a multiple lumen catheter having a first lumen and a second lumen for delivery of fluid, the multiple lumen catheter includes an inner tube and an outer tube coaxially surrounding the inner tube;

    a first fluid delivery port positioned for delivery of fluid to the first lumen;

    a second fluid delivery port positioned for delivery of fluid to the second lumen;

    a liquid supply connected to the first fluid delivery port for delivery of a liquid embolic composition through the first lumen into a vascular site;

    a liquid embolic composition in the liquid supply;

    a solidification agent supply connected to the second fluid delivery port for delivery of a solidification agent through the second lumen to the vascular site;

    a solidification agent in the solidification agent supply, wherein the solidification agent and the liquid embolic composition selected to enhance solidification of the liquid embolic composition when the solidification agent and the liquid embolic composition are in contact; and

    an actuator, wherein the actuator includes a substantially flat rectangular manipulator which is grasped by the physician to move the first lumen longitudinally within the second lumen.

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