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:
Jan. 12, 1993
Filed:
Sep. 10, 1990
Hans-Dietrich Polaschegg, Oberursel/Ts., DE;
Wendelin Backhaus, Kronberg, DE;
Joachim Manke, Lohnberg, DE;
Walter Pieper, Florstadt, DE;
Hans Walter, Offenbach, DE;
Fresenius AG, Bad Homburg, DE;
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).