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:
Jul. 08, 2014
Filed:
Aug. 19, 2011
Axel Eckstein, Heidenheim, DE;
Pierre Croizat, Herbrechtingen, DE;
Ulrich Fink, Heidenheim, DE;
Krzysztof-daniel Malowaniec, Heidenheim, DE;
Axel Eckstein, Heidenheim, DE;
Pierre Croizat, Herbrechtingen, DE;
Ulrich Fink, Heidenheim, DE;
Krzysztof-Daniel Malowaniec, Heidenheim, DE;
Paul Hartmann AG, Heidenheim, DE;
Abstract
A device for negative pressure wound therapy having a cover material for air-tight sealing of the wound space connected to a negative pressure source; and a wound dressing having an open-cell polyurethane foam. The open-cell polyurethane foam has special properties, in particular a tensile strength after three days of storage in bovine serum, measured in accordance with DIN 53571, between 80 kPa and 300 kPa. The open-cell polyurethane foam may be used as a wound dressing in negative pressure wound therapy.