Patents Represented by Law Firm Luderschmidt & Partner
  • Gas exchange apparatus
    Patent number: 5695717
    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.
    Type: Grant
    Filed: November 15, 1996
    Date of Patent: December 9, 1997
    Assignee: Fresenius AG
    Inventors: Hans-Dietrich Polaschegg, Hans-Helmut Lewinsky, Bernd Steinbach