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Insulated catheter for selective organ perfusion

  • US 6,042,559 A
  • Filed: 02/24/1998
  • Issued: 03/28/2000
  • Est. Priority Date: 02/24/1998
  • Status: Expired due to Term
First Claim
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1. An apparatus for selective organ hypothermia by perfusion, said apparatus comprising:

  • a chiller;

    a flexible elongated supply catheter, said supply catheter having a proximal end attachable to an inlet of said chiller, said supply catheter having a distal end percutaneously insertable into an artery of a patient;

    a flexible elongated delivery catheter, said delivery catheter having a proximal end attachable to an outlet of said chiller, said delivery catheter having sufficient length and sufficiently small diameter to be insertable percutaneously through a vascular system of a patient to a feeder artery of a selected organ of a patient, said delivery catheter having a lumen for flow of cooled blood from said chiller to a feeder artery of a selected organ of a patient;

    an insulating layer in said delivery catheter between said blood lumen and the outer surface of said delivery catheter; and

    a blood outlet formed in said blood lumen, near a distal end of said delivery catheter.

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