Patents by Inventor Annette Trautwein

Annette Trautwein has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for simultaneously removing tumour necrosis factor .alpha. and bacterial lipopolysaccharides from an aqueous liquid
    Patent number: 5679260
    Abstract: Disclosed is a process to remove tumour necrosis factor .alpha. (TNF.alpha.) or/and bacterial lipopolysaccharides (LPS) from an aqueous liquid, in particular blood, blood plasma or serum, in an extracorporeal perfusion system after removing corpuscular blood components if necessary, wherein(a) the pH value of the body fluid is adjusted to pH<6,(b) a precipitation reagent in the form of a polyanion is added,(c) precipitated substances are removed by filtration or/and centrifugation and(d) the resulting liquid is passed over an anion exchanger.
    Type: Grant
    Filed: September 26, 1995
    Date of Patent: October 21, 1997
    Assignee: B. Braun Melsungen AG
    Inventors: Karl-Siegfried Boos, Dietrich Seidel, Annette Trautwein, Gerold Morsch
  • Process and device for the simultaneous extracorporeal elimination of tumour necrosis factor and bacterial lipopolysaccharides from whole blood and/or blood plasma
    Patent number: 5679775
    Abstract: In order to remove tumor necrosis factor .alpha. (TNF.alpha.) or/and bacterial lipopolysaccharides (LPS, endotoxin) extracorporeally from whole blood or/and blood plasma in an extracorporeal perfusion system, the blood or plasma is passed over a cation exchanger and an anion exchanger material. A device according to the invention for the extracorporeal treatment of patient's blood or plasma therefore contains a cation exchanger material and an anion exchanger material wherein these materials are contained in at least one compartment of an extracorporeal perfusion system.
    Type: Grant
    Filed: April 19, 1996
    Date of Patent: October 21, 1997
    Assignee: B. Braun Melsungen AG.
    Inventors: Karl-Siegfried Boos, Dietrich Seidel, Annette Trautwein, Gerold Morsch