US Patent 7873489 Dialysis machine with servicing indicator

A dialysis machine that monitors an elapsed time and a number of accumulated hours during a current servicing interval is disclosed. The machine executes a machine-servicing algorithm on at least the elapsed time and the accumulated operating hours to generate a projected servicing interval duration. A servicing event indicator displays servicing event schedule information based on the projected servicing interval duration. A transfusion pump, similarly equipped, is also provided.