Patents by Inventor Staffan Akerlund

Staffan Akerlund 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).

  • Patent number: 5352183
    Abstract: A device for stabilizing the base of the nipple valves in a continent ileal reservoir with inlet and outlet nipple valves, includes a substantially annular member made of a biocompatible material, the annular member being pre-formed and permanently shaped to substantially define a ring. The ring has a radial slot formed therein to allow insertion of the annular ring member over the base of a respective nipple valve, with the annular ring member having an inner radius adapted to fit around said base. The annular ring member has first and second surfaces, with one of the surfaces facing the ileal reservoir outer wall, and through holes extending through said first and second surfaces for promoting a good adherence of the device to the surrounding soft tissue.
    Type: Grant
    Filed: December 11, 1992
    Date of Patent: October 4, 1994
    Assignee: Nobelpharma AB
    Inventors: Olof Jonsson, Bo Rangert, Staffan Akerlund