Patent · US Active

Dialysate concentration measurement sensor diagnosis

US11504459B2 · kind B2 · utility

0Cited by

0References

14Claims

0Family size

Assignee

Fresenius Medical Care Deutschland GmbH · DE

Inventors

Alfred Gagel · Litzendorf, DE
Tilman Staeblein · Würzburg, DE

Key dates

Filing date	Jan 3, 2018
Grant date	Nov 22, 2022
Priority date	—
Expiry date	Jul 13, 2039

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2205/70
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A diagnosis method for a conductivity sensor for a dialysis fluid preparation apparatus and personal dialysis apparatus, that mix water, an A fluid and a B fluid in predetermined proportions respectively to prepare a dialysis fluid and measures the concentration of the prepared dialysis fluid by concentration measurement means is described. The diagnosis method and the respective apparatus is based in measuring the A fluid without the B fluid being present in the solution.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.