Patent · US Active

Pump for medical purposes

US10076604B2 · kind B2 · utility

1Cited by

5References

19Claims

0Family size

Assignee

B. Braun Melsungen AG · DE

Inventors

Rolf Heitmeier · Kassel, DE
Dominik Niedenzu · Kassel, DE
Berthold Wolfram · Regensburg, DE
Matthias Schwalm · Treysa, DE
Heiko Rosenkranz · Homberg (Efze), DE
Juergen Steger · Hiltpoltstein, DE

Key dates

Filing date	Dec 23, 2013
Grant date	Sep 18, 2018
Priority date	—
Expiry date	Jan 14, 2034

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2005/14513
WIPO fieldMedical technology
WIPO sectorInstruments

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.

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