Reciprocating pump arrangement

(-- 57) summary -- in the form of one enforcement written in this specification, the check valve is adopted as a piston, and this piston was driven by the permanent magnet linear electricity motor, and has assisted any of the natural heart side with the surgery embedding type reciprocating pump. This pump is embedded in a main artery or the pulmonary artery using a lead pipe attachment cuff like the flexible cuff sutured at each end in the state where a pump output becomes an artery and a straight line. Power is supplied by the surgery embedding type rechargeable battery to this pump. Or replacing the natural heart in the form of another enforcement -- or it assists or the group of the pump which makes blood flow temporarily on the body is offered, for example during the operation which solves the problem about the natural heart.