Patent ID: 11857744
Assignee: EDWARDS LIFESCIENCES CORPORATION
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A method, comprising:
positioning a cannula having a plurality of independent lumens within a vena cava of a patient, the patient having blood;
inflating a first balloon within an inferior vena cava and a second balloon within a superior vena cava to fluidly isolate a right atrium from the inferior vena cava and the superior vena cava;
draining a first portion of the blood from the superior vena cava through one or more distal fluid ports located distal to the first and second balloons and fluidly coupled to a first independent lumen of the plurality of independent lumens;
draining a second portion of the blood from the inferior vena cava through one or more proximal fluid ports located proximal to the first and second balloons and fluidly coupled to the first independent lumen; and
conducting a first fluid from the right atrium through one or more first intermediate fluid ports located between the first and second balloons and fluidly coupled to a second independent lumen of the plurality of independent lumens; and
conducting a second fluid to the right atrium through one or more second intermediate fluid ports located between the first and second balloons and fluidly coupled to a third independent lumen of the plurality of independent lumens, wherein the first fluid is different from the second fluid.