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. 23, 2022
Filed:
Apr. 10, 2020
Nikkiso Company Limited, Tokyo, JP;
Satoru Kawarabayashi, Tokyo, JP;
Shinya Hasegawa, Shizuoka, JP;
Tomoya Murakami, Shizuoka, JP;
Kunihiko Akita, Shizuoka, JP;
Masahiro Toyoda, Shizuoka, JP;
Nikkiso Company Limited, Tokyo, JP;
Abstract
A blood purification apparatus with a blood circuit that allows a patient's blood to extracorporeally circulate and a blood purifier connected to the blood circuit and that purifies the blood in extracorporeal circulation are attachable, the blood purification apparatus including a dialysate introduction line through which dialysate is introduced into the blood purifier; a dialysate drain line through which waste dialysate resulting from blood purification performed by the blood purifier is drained from the blood purifier; and a concentration-detecting unit that detects a concentration of a predetermined substance in the waste dialysate flowing through the dialysate drain line. The blood purification apparatus includes a control unit that establishes a state of equilibrium where the concentration of the predetermined substance in the waste dialysate flowing through the dialysate drain line and a concentration of the predetermined substance in the blood flowing through the blood circuit are equal or approximate to each other; a storage unit that stores a value detected by the concentration-detecting unit in the state of equilibrium as an equilibrium value; and a clear-space-calculating unit that calculates clear space in accordance with the value detected by the concentration-detecting unit and the equilibrium value stored in the storage unit, the clear space being an index representing a volume of purification of a patient achieved by blood purification treatment.