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:
Sep. 18, 2018
Filed:
Dec. 23, 2013
B. Braun Melsungen Ag, Melsungen, DE;
Rolf Heitmeier, Baunatal, DE;
Dominik Niedenzu, Kassel, DE;
Berthold Wolfram, Melsungen, DE;
Matthias Schwalm, Schwalmstadt, DE;
Heiko Rosenkranz, Knuellwald, DE;
Juergen Steger, Koerle, DE;
B. BRAUN MELSUNGEN AG, Melsungen, DE;
Abstract
A medical fluid pump, comprising a first, inner fluid system including a motor-driven suction/pressure unit and a first fluid pressure chamber which can be filled with fluid and emptied by the suction/pressure unit, and a second, outer fluid system including a second fluid pressure chamber which is coupled to the first pressure chamber in a pressure- and/or volume-dynamic manner via a movable separating wall and which is alternately coupled—via a valve means of the second fluid system—to a suction line and pressure line depending on the current working phase of the suction/pressure unit of the first fluid system is disclosed.