Patents by Inventor Jarl Almen

Jarl Almen 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: 4781694
    Abstract: The present invention relates to a device for providing a permanent pathway between the abdominal cavity and/or organ located in the abdominal cavity and the exterior of the body. The device is made of commercially pure titanium or at least coated with titanium on the surfaces which directly contact the abdominal wall tissue. The device comprises a first anchorage portion, designed for implantation into the connective tissue of the abdomen during the first operation, a covering screw with plug for blocking of the central opening in the anchorage portion during the healing phase and a skin penetration portion in the form of a titanium tube for connection to the anchorage portion during the second operation after prior removal of the covering screw with plug.
    Type: Grant
    Filed: February 26, 1986
    Date of Patent: November 1, 1988
    Inventors: Per-Ingvar Branemark, Jarl Almen, Lars-Magnus Bjursten, Peter Thomsen, Lars E. Ericsson