Patents Assigned to Joseph J. Berke
  • Patent number: 4340060
    Abstract: An improved craniotome footplate, or dura guard for cutting between bur holes or from a single bur hole in the skull without damaging the dura membrane which is intermediate the underside of the skull and the brain. The guard includes a flexible, resilient tip for negotiating bony prominences on the underside of the skull and for separating the dura from the underside of the skull in advance of the craniotome cutting of the skull.
    Type: Grant
    Filed: June 16, 1980
    Date of Patent: July 20, 1982
    Assignee: Joseph J. Berke
    Inventors: Joseph J. Berke, Eric L. Gay