Patents by Inventor Normann Willich

Normann Willich 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).

  • Flexible, adaptable plastic catheter system for inserting catheters for radiotherapy and method of use thereof
    Patent number: 5967966
    Abstract: A plastic catheter system for irradiation therapy by the afterloading method, made from:a flexible plastic matrix having one or more catheters or sheaths embedded therein, and having a synthetic fabric contained within the plastic matrix or on a side of the plastic matrix, wherein:a) when the plastic matrix has all flat surfaces, the synthetic fabric is located on a side opposite the location of the one or more catheters and covers the entire side in area,b) when the plastic matrix is cylindrical in shape, the synthetic fabric is located in a lower portion of the cylindrical plastic matrix and coaxially arranged, andc) when the plastic matrix is of a shape other than a) and b), the synthetic fabric is located on a side facing away from a side from which irradiation occurs.
    Type: Grant
    Filed: June 23, 1998
    Date of Patent: October 19, 1999
    Assignee: Huels Aktiengesellschaft
    Inventors: Hans Kronholz, Michael Schmilowski, Christine Anders, Reinhold Brathun, Lothar Heinrich, Normann Willich
  • Flexible adaptable plastic elements with equidistantly embedded catheters for radiotherapy
    Patent number: 5803895
    Abstract: A plastic catheter system for irradiation therapy by the afterloading method, made from:a flexible plastic matrix having one or more catheters or sheaths embedded therein, and having a synthetic fabric contained within the plastic matrix or on a side of the plastic matrix, wherein:a) when the plastic matrix has all flat surfaces, the synthetic fabric is located on a side opposite the location of the one or more catheters and covers the entire side in area,b) when the plastic matrix is cylindrical in shape, the synthetic fabric is located in a lower portion of the cylindrical plastic matrix and coaxially arranged, andc) when the plastic matrix is of a shape other than a) and b), the synthetic fabric is located on a side facing away from a side from which irradiation occurs.
    Type: Grant
    Filed: July 22, 1996
    Date of Patent: September 8, 1998
    Assignee: Huels Aktiengesellschaft
    Inventors: Hans Kronholz, Michael Schmilowski, Christine Anders, Reinhold Brathun, Lothar Heinrich, Normann Willich