Patent ID: 8105258
Filing Date: 2012-01-31
Classification: A61M,A61P

Abstract:
1. A filtration system comprising: an access line configured to carry blood from a patient's blood stream; a first pump configured to pump the blood through the access line; a supply of citrate anticoagulant solution; a second pump connected to the supply of citrate anticoagulant solution for introducing the citrate anticoagulant solution into the blood traveling through the access line; a supply of substitution fluid; a third pump connected to the supply of substitution fluid for introducing the substitution fluid into the blood traveling through the access line; a filter for filtering the blood traveling through the access line, the filter outputting filtered blood back to the patient's blood stream; a fourth pump connected to the supply of substitution fluid for introducing said substitution fluid into the filtered blood; a supply of a calcium and magnesium solution; a fifth pump connected to the supply of the calcium and magnesium solution for introducing the calcium and magnesium solution into the filtered blood; and a processing unit for controlling a flow rate for the first pump, the second pump, the third pump, the fourth pump and the fifth pump, wherein the processing unit is selectable to provide a first therapy for which both the third and fourth pumps are operated and a second therapy in which the third pump is operated but the fourth pump is not operated.