Patents by Inventor Hanngörg Zimmermann

Hanngörg Zimmermann 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).

  • Polyurethane having an antithrombogenic coating
    Patent number: 9867912
    Abstract: The invention concerns polyurethane (PUR) having an antithrombogenic coating, wherein the antithrombogenic coating comprises at least one antithrombogenic substance covalently bound to a surface of the PUR via at least two bonds, wherein a first of said bonds is an amide bond between the surface of the PUR and a polyethyleneimine (PEI) and a second of said bonds is between the PEI and the antithrombogenic substance, wherein the surface of the PUR had been activated by use of a carbon dioxide plasma or a plasma modified by addition of carbon dioxide before the first of said bonds was formed.
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: January 16, 2018
    Assignee: pfm medical titanium gmbh
    Inventors: Karin Stadtherr, Christof Schmid, Karla Lehle, Karin Lukas, Hanngörg Zimmermann, Daniel Wehner, Thomas Schmid
  • Polyurethane Having an Antithrombogenic Coating
    Publication number: 20160279304
    Abstract: The invention concerns polyurethane (PUR) having an antithrombogenic coating, wherein the antithrombogenic coating comprises at least one antithrombogenic substance covalently bound to a surface of the PUR via at least two bonds, wherein a first of said bonds is an amide bond between the surface of the PUR and a polyethyleneimine (PEI) and a second of said bonds is between the PEI and the antithrombogenic substance, wherein the surface of the PUR had been activated by use of a carbon dioxide plasma or a plasma modified by addition of carbon dioxide before the first of said bonds was formed.
    Type: Application
    Filed: November 12, 2014
    Publication date: September 29, 2016
    Inventors: Karin Stadtherr, Christof Schmid, Karla Lehle, Karin Lukas, Hanngörg Zimmermann, Daniel Wehner, Thomas Schmid
  • Method for the treatment of biological tissue of animal or human origin, such as porcine, bovine pericardium or human cadaver heart valves, and biological tissue treated accordingly
    Patent number: 8426199
    Abstract: A method for treating glutardialdehyde-stabilized biological tissue of animal or human origin, such as porcine, bovine pericardium or human cadaver heart valves, provides a physical plasma treatment of the, in particular, collagen tissue for increasing the biocompatibility, cell colonization and durability thereof.
    Type: Grant
    Filed: January 11, 2008
    Date of Patent: April 23, 2013
    Assignee: GfE Nanomedical International AG
    Inventors: Hanngörg Zimmermann, Markus Heinlein
  • METHOD FOR THE TREATMENT OF BIOLOGICAL TISSUE OF ANIMAL OR HUMAN ORIGIN, SUCH AS PORCINE, BOVINE PERICARDIUM OR HUMAN CADAVER HEART VALVES, AND BIOLOGICAL TISSUE TREATED ACCORDINGLY
    Publication number: 20100317080
    Abstract: A method for treating glutardialdehyde-stabilised biological tissue of animal or human origin, such as porcine, bovine pericardium or human cadaver heart valves, provides a physical plasma treatment of the, in particular, collagen tissue for increasing the biocompatibility, cell colonisation and durability thereof.
    Type: Application
    Filed: January 11, 2008
    Publication date: December 16, 2010
    Inventors: Hanngörg Zimmermann, Markus Heinlein
  • Tow-Dimensional Mesh Implant For Hernia Care
    Publication number: 20080033461
    Abstract: Disclosed is a planar mesh implant for supplying hernia, comprising identical, superimposed mesh layers (1, 2), each of which is provided with a central opening (3, 4) and access slits (5, 6) that are offset relative to one another. The two mesh layers (1, 2) are joined together on one common side of the access slits.
    Type: Application
    Filed: April 19, 2005
    Publication date: February 7, 2008
    Inventors: Ferdinand Koeckerling, Hanngoerg Zimmermann, Markus Heinlein