Patent ID: 6623441
Filing Date: 2003-09-23
Classification: A61M

Abstract:
A blood cleaning apparatus to be used in an artificial kidney for cleaning blood taken from a body, and circulating it to the body, which comprisesa casing having a blood inlet on one side and a blood cell ingredient outlet on the other side thereof, a centrifugator within the casing, having a rotary cylinder for exerting a centrifugal force on blood to separate the same into blood cell ingredients and plasma ingredients, a metabolic end product separation chamber having a cylindrical ultrafiltration membrane for intaking water, serum electrolytes and unnecessary metabolic end products from the plasma ingredients collected to a portion near the center, and a water re-absorbing module comprising hollow fiber dialysis membranes for flowing concentrated plasma ingredients from which water, serum electrolytes and unnecessary metabolic end products have been removed by the cylindrical ultrafiltration membrane, and re-absorbing the water, substantially in a coaxial arrangement.