Automatic dialyzer and dialyzing method

摘要

An automatic dialyzer for purifying blood brought into contact with a dialysate via a semi-impermeable membrane, comprising at least a blood circulating system and a dialysate supply/discharge system, characterized in that the blood line of the blood circulating system is connected to an overflow line having a reversibly-rotatable blood pump and also having a blood chamber and an open/close means for overflowing of liquid from the blood chamber to the outside of the blood line, and liquid supply means, for supplying liquid in both forward and reverse directions and being able to regulate the supply amount of the dialysate for water removing/liquid replenishing, are provided to a first bypass line and/or a second bypass line, the supply speed of the liquid supply means and the supply speed of the blood pump being regulatable in conjunction with each other; and a dialyzing method using the automatic dialyzer.