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:
Mar. 24, 1992
Filed:
Jul. 16, 1990
Applicant:
Inventor:
Hans-Dietrich Polaschegg, Oberursel, DE;
Assignee:
Fresenius AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604-5 ; 604 28 ;
Abstract
The invention is directed to a process and an arrangement for control of blood pumps in an extra-corporeal circuit provided to a single needle arrangement. In order to avoid recirculation, in accordance with the invention it is provided that the arterial and the venous pumps run at an increased throughput rate at the beginning of each pumping phase.