公开(公告)号：US20230211057A1

公开(公告)日：2023-07-06

申请号：US17926307

申请日：2021-05-18

Applicant: NIPRO CORPORATION

Inventor： Shota NAKAMURA ,  Yoichi KAMOSHITA ,  Yukio WASHIO

IPC: A61M1/16 ,  A61M60/113

CPC classification number: A61M1/1603 ,  A61M60/113 ,  A61M1/1656

Abstract: There is provided a technique for detecting leakage in extracorporeal blood circulation while suppressing increased cost in a dialysis device. A dialysis device includes an artery-side blood circuit, a dialyzer, and a vein-side blood circuit. The dialysis device detects an abnormality based on a difference between theoretical value and measured value of a blood concentration in the vein-side blood circuit. The theoretical value of the blood concentration in the vein-side blood circuit is specified based on blood concentration and blood flow rate in the artery-side blood circuit and a water removal rate in the dialyzer.