Patent · US Expired

Pressure equalizing vessel for a hemodialysis concentrate

US5178179A · kind A · utility

2Cited by

9References

12Claims

0Family size

Assignee

Fresenius AG · DE

Inventors

Hans-Dietrich Polaschegg · Steyr, AT
Wendelin Backhaus · Kronberg, DE
Joachim Manke · Nordhausen, DE
Walter Pieper · Florstadt, DE
Hans-Peter Walter · Mettlach, DE

Key dates

Filing date	Sep 10, 1990
Grant date	Jan 12, 1993
Priority date	—
Expiry date	Sep 10, 2010

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/7306
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

This invention relates to a pressure equalizing vessel for a hemodialysis concentrate. To ensure the supply of concentrate at a constant pressure to the concentrate pump for preparing dialysis fluid, even in cases where a central concentrate supply system is used, the present invention suggests that a cylindrical upright vessel 1 whose lower portion is provided with a concentrate inlet and whose upper portion has arranged thereon a venting means 4 should have inserted thereinto a concentrate suction tube 7 which is equipped with at least one level sensor (FIG. 1).

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