Patent ID: 11931498
Assignee: NIKKISO COMPANY LIMITED
Field: Chemical engineering (Chemistry)
Classification: CPC A  B | IPC A  B

Claim 11:
12. The blood purification apparatus according to claim 1, wherein the liquid-delivering device is a duplex pump that includes a supply-side pump chamber connected to the dialysate introduction line and being capable of accommodating and discharging the dialysate from and into the dialysate introduction line, and a drain-side pump chamber connected to the dialysate drain line and being capable of taking in and accommodating the waste liquid from the dialysate drain line; wherein the liquid-delivering device delivers the liquid such that a volume of discharge from the supply-side pump chamber and a volume of suction into the drain-side pump chamber are substantially equalized; and wherein one end of the ultrafiltration line is connected to the dialysate introduction line at a position between the supply-side pump chamber and a point of connection of the dialysate introduction line to the blood purification device.