Patents by Inventor K. Gu/ nter Wiese

K. Gu/ nter Wiese 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).

  • Tissue expander inflating due to osmotic driving forces of a shaped body of hydrogel and an aqueous solution
    Patent number: 5496368
    Abstract: A self-inflating tissue expander (1) serves to create cavities for the insertion of implants or to provide tissue for a self transplantation. The tissue expander itself is implanted into the tissue, where it absorbs body fluid, especially water from the surrounding tissue due to an osmotic driving force. The tissue expander (1) has a shaped body (5) made from hydrogel (2).
    Type: Grant
    Filed: February 2, 1994
    Date of Patent: March 5, 1996
    Inventor: K. Gu/ nter Wiese