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:
Jun. 02, 2026
Filed:
Apr. 05, 2022
Gambro Lundia Ab, Lund, SE;
Christian Vartia, Veberöd, SE;
GAMBRO LUNDIA AB, Lund, SE;
Abstract
Provide herein are a control arrangement and method for evaluating the integrity of a forward osmosis (FO-) membrane of a FO device in a dialysis solution generation apparatus. The FO-membrane separates a feed side and a draw side of the FO device. The FO-device comprises a feed inlet port and a feed outlet port in fluid communication with the feed side, and a draw inlet port and a draw outlet port in fluid communication with the draw side. The method comprises providing a flow of feed solution at the feed side via the feed inlet port and providing a flow of draw solution at the draw side via the draw inlet port, with an osmotic pressure at the draw side that is higher than an osmotic pressure at the feed side. Water is extracted from the feed side to the draw side to dilute the draw solution.
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