Patent ID: 6083198
Filing Date: 2000-07-04
Classification: A61M

Abstract:
A catheter for use in cardiopulmonary bypass and adapted to deliver blood at a first flow rate in a first region of a patient's aorta including the aortic arch and renal arteries, and to deliver blood at a second flow rate in a second region of the patient's aorta distal to the renal arteries, the catheter comprising:a catheter having proximal and distal ends, first and second lumens, and first and second blood inlet ports, the first lumen communicating with the first blood inlet port and the second lumen communicating with the second blood inlet port;a first balloon disposed on the catheter adjacent the distal end;a second balloon disposed on the catheter spaced apart from the first balloon a sufficient distance so that when the first balloon is disposed in the patient's ascending aorta the second balloon is disposed in the patient's aorta distal to the renal arteries;a first plurality of apertures disposed in the catheter between first and second balloons and in communication with the first lumen only; anda second plurality of apertures disposed in the catheter proximal to the second balloon and in communication with the second lumen only.