Dialyzer apparatus in an artificial kidney system

A dialyzer apparatus in an artificial kidney system comprising a dialyzer main body having therein a blood flow passage and a dialyzing liquid flow passage, a top cover member mounted on and connected to the upper surface of the dialyzer main body, a dialyzing membrane separating the blood flow passage and the dialyzing liquid flow passage, said blood flow passage and dialyzing liquid flow passage having respective inlets and outlets, said body having upper and lower surfaces and front and rear surfaces, said body being formed integrally at its front surface with (a) an air removal chamber which is in communication with the outlet of said blood flow passage, (b) a liquid level adjusting chamber which is in communication with the air removal chamber, and (c) a pipe passage extending downwards from the air removal chamber, said body being also formed integrally at its rear surface with a pair of further pipe passages which are in communication with the inlet and outlet respectively, of the dialyzing liquid flow passage, and a bottom cover member having a pair of chambers formed integrally therewith mounted on and connected to the lower surface of the main body, said bottom cover member including two connection passages constituting an inlet and outlet respectively for said blood flow passage, said inlet passage communicating with one of said chambers, and said outlet passage communicating with the other of said chambers.