The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 25, 2026
Filed:
Nov. 08, 2019
Nikkiso Company Limited, Tokyo, JP;
Nikkiso Company Limited, Tokyo, JP;
Abstract
A blood purification device includes a blood circuit for extracorporeally circulating blood of a patient; a liquid supply line for supplying a supply liquid to a blood purifier provided on the blood circuit or to the blood circuit a peristaltic liquid supply pump provided on the blood circuit or on the liquid supply line; a peristaltic waste liquid pump provided on a waste liquid line through which a waste liquid is discharged from the blood purifier; a water balance amount detection unit for detecting a water balance amount of the supply liquid and the waste liquid; and a water balance amount control unit that corrects one or both of pump speeds of the liquid supply pump and the waste liquid pump so that the water balance amount detected by the water balance amount detection unit matches a target water balance amount. The water balance amount control unit is configured to be able to switch between a first correction condition for correcting the pump speed on every water balance amount detection and a second correction condition for correcting the pump speed based on a plurality of water balance amount detection results.