Patent · US Expired

Gas exchange apparatus

US5695717A · kind A · utility

58Cited by

10References

10Claims

0Family size

Assignee

Fresenius AG · DE

Inventors

Hans-Dietrich Polaschegg · Steyr, AT
Hans-Helmut Lewinsky · Frankfurt, DE
Bernd Steinbach · Friedberg, DE

Key dates

Filing date	Nov 15, 1996
Grant date	Dec 9, 1997
Priority date	—
Expiry date	Nov 15, 2016

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M1/3612
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A gas exchange device (100) with an extracorporeal blood circuit (102) in which a blood pump (110) is connected, with a CO.sub.2 exchange unit (112), and an oxygenator (128), whereby the gas exchange unit (112, 128) is in each case divided by a hydrophilic, water-wet membrane (114, 130) into a blood chamber (116, 132) and a gassing chamber (118, 134) which is under positive transmembrane pressure.

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