Patents Assigned to Kabushiki Kaisha Biomaterial Universe Corporation of Japan
  • Artificial intervertebral disc
    Patent number: 5458643
    Abstract: A prosthesis used for a damaged bone, an artificial articular cartilage or an artificial intervertebral disc being characterized in that the prosthesis is a composite body comprising polyvinyl alcohol hydrogel and ceramic or metallic porous body. With this prosthesis, PVA hydrogel enhances lubrication and shock absorbing functions, and the porous body allows the ingrowth and ossification of the bone tissue of a living body therein to affinitively connect said hydrogel to the bones of the living body.
    Type: Grant
    Filed: February 1, 1994
    Date of Patent: October 17, 1995
    Assignees: Kyocera Corporation, Kabushiki Kaisha Biomaterial Universe Corporation of Japan
    Inventors: Masanori Oka, Shokyu Gen, Yoshito Ikada, Hideaki Okimatsu