Patents by Inventor Valle J. Oikarinen

Valle J. Oikarinen 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: 4863472
    Abstract: Supporting structure (1) for preventing the movements of powder material (2) which will be applied as bone graft (bone graft powder) which supporting structue (1) will be located to contact with bone tissue and which supporting structure (1) is manufactured of at least partially resorbable polymer, copolymer or polymer mixture and is of its form chutelike, box-like, a flat tube or bag and contains such open porosity, which allows the surrounding tissues to grow through the supporting structure (1) but which prevents the migration of the bone graft powder (2) through the pores outside the supporting structure (1). The part of the supporting (1) which will be located against bone surface contains at least one orifice, whose size is bigger than the size of pores of the supporting (1) and bigger than the size of the bone graft powder (2) particles, which orifice makes possible the growth of the bone tissue into the inside of the supporting structure (1).
    Type: Grant
    Filed: July 5, 1988
    Date of Patent: September 5, 1989
    Assignee: Biocon Oy
    Inventors: Pertti Tormala, Pentti Rokkanen, Valle J. Oikarinen, Seppo Vainionpaa, Pertti Helevirta