Perfusion device and method for operating same

A method for operating a perfusion device for recovering a liquid containing a drug and/or blood from a drainage tube for connecting to the inferior vena cava and for injecting the liquid finally obtained into a return tube for connecting to the artery, which is provided with a pelvic area closing unit for closing the inside of the pelvis from the outside of the pelvis by including an artery occlusion unit for blocking a blood flow in the artery from the heart side to the pelvis side, an inferior vena cava occlusion unit for blocking a blood flow of the inferior vena cava from the pelvis side to the heart side, and a lower-limb side blocking unit for blocking a blood flow from the pelvis side to the lower-limb side, wherein

• the perfusion device comprises:
• a pelvic perfusion unit equipped with a perfusion pump for recovering the liquid from the drainage tube and injecting the liquid finally obtained into the return tube, a reservoir for storing a part of the liquid from the drainage tube, and a perfusion tube constituting a flow path from the drainage tube to the return tube through the perfusion pump and the reservoir;
• an autotransfusion unit equipped with a transfusion device tube, an autotransfusion device connected to the transfusion device tube, and an autotransfusion tube for connecting to the vein outside the pelvis;
• a dialysis unit equipped with a dialysis drainage tube and a dialysis return tube each with the tip placed at a position closer to the heart side than the inferior vena cava occlusion unit of the inferior vena cava, an extracorporeal hemodialysis device connectable to the dialysis drainage tube and the dialysis return tube, and a dialysis tube constituting a flow path from the dialysis drainage tube to the dialysis return tube through the hemodialysis device;
• a transfusion device switching unit for switching a connection of the transfusion device tube to the downstream side of the reservoir of the perfusion tube, between the reservoir of the perfusion tube and the return tube;
• and
• a dialysis device switching unit for switching a connection of the dialysis tube to the drainage tube and the return tube in the pelvis, between the reservoir of the perfusion tube and the return tube, and
• the method performs:
• an operation process of a perfusion pump for the pelvis and a dialysis device for the outside of the pelvis, in which the perfusion pump operates in a state of being connected to the drainage tube and the return tube in the pelvis, and the hemodialysis device operates in a state of being connected to the dialysis drainage tube and the dialysis return tube;
• an operation process of a postoperative flow path switching unit, in which the transfusion device switching unit and the dialysis device switching unit operate;
• and
• an operation process of a postoperative blood transfusion device and a dialysis device for the inside of the pelvis, in which the autotransfusion device operates in a state of being connected to the downstream side of the reservoir of the perfusion tube, and the hemodialysis device operates in a state of being connected to the drainage tube and the return tube in the pelvis.