Patents by Inventor Chedomir Radovan

Chedomir Radovan 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: 4217889
    Abstract: An expansion device for temporary implantation beneath the skin and subcutaneous layer, there to be enlarged whereby to increase the surface area of tissue which overlays it, to provide a flap for use in plastic and reconstructive surgery. The device comprises an envelope with a substantially non-extensible base and a cover. Together the base and cover form an envelope. The cover is flexible, and when empty it is slack. The volume of the envelope is adjustably variable as a function of the amount of fluid it contains. Means is provided for admitting fluid to the envelope without puncturing the base or the cover.
    Type: Grant
    Filed: July 20, 1978
    Date of Patent: August 19, 1980
    Assignee: Heyer-Schulte Corporation
    Inventors: Chedomir Radovan, Rudolf R. Schulte