Importance

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Abstract

Provided is a hemodialysis apparatus which can fundamentally solve a problem in that air is trapped in a mesh disposed in a vein side chamber during priming. A hemodialysis apparatus includes control means that conducts, in the stated order: (A) a process in which a blood pump reversely rotates at the same speed as a reverse filtration speed made by third fluid feeding means, and a dialysate flows in a flow passage extending from a connection portion between a hemodialyzer and an artery side blood line to a vein side chamber through the joint portion in a loop formed by connecting the artery side blood line and the vein side blood line, to thereby prime the flow passage and the hemodialyzer, and (B) a process in which a reverse rotation speed of the blood pump is made lower than the reverse filtration speed made by the third fluid feeding means, and the dialysate of a flow rate corresponding to a speed obtained by subtracting the reverse rotation speed of the blood pump from the reverse filtration speed made by the third fluid feeding means flows in a flow passage extending from a connection portion between the hemodialyzer and the vein side blood line to the vein side chamber, which is a remaining flow passage of the loop, to thereby prime the flow passage and the hemodialyzer.

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First Claim