Patents Examined by Anthony Paul Zuttarelli
  • Cervical distractor
    Patent number: 5059194
    Abstract: An improved four-legged distractor with multiplanar adjustability facilitates intervertebral bone grafting. The legs are slidably fixed to a rectangular frame so that the space between opposing legs and the space between adjacent legs may be varied. The bottom portion of each leg is offset so that a large space is created between the top portion of the legs to permit easy access to the operating space.
    Type: Grant
    Filed: February 12, 1990
    Date of Patent: October 22, 1991
    Inventor: Gary K. Michelson