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:
Nov. 18, 2025
Filed:
Jun. 07, 2021
Nikkiso Co., Ltd., Tokyo, JP;
Takumi Homma, Shizuoka, JP;
Kazuya Tsuji, Shizuoka, JP;
Hikaru Chiaki, Shizuoka, JP;
Yuya Menjoh, Shizuoka, JP;
Kunihiko Akita, Shizuoka, JP;
Nikkiso Co., Ltd., Tokyo, JP;
Abstract
Provided is a blood purification apparatus that returns blood in a blood circuit to a body. A blood purification apparatus includes: a blood circuit and a dialysate circuit coupled to each other through a blood purifier; an air introduction route coupled to the dialysate circuit; an air introducer provided to any of the dialysate circuit and the air introduction route and configured to set the dialysate circuit to a positive pressure by introducing air into the dialysate circuit through the air introduction route; and a controller configured to control the air introducer in such a way as to feed a dialysate from the dialysate circuit to the blood circuit, and to control the blood circuit and the dialysate circuit in such a way as to return blood in the blood circuit and the blood purifier to a body by feeding the dialysate from the dialysate circuit to the blood circuit.