Patents by Inventor Frederick Winston

Frederick Winston 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).

  • Disk flow and methods therefor
    Patent number: 5163939
    Abstract: A medical instrument for engaging a fragment of disk tissue located anterior to the spinal cord and between two vertebrae which comprises an elongated handle member having first and second ends, and a slender curved member extending from the second end of the handle, with the slender curved member terminating in a blunt tip, which blunt tip is employed for engaging the disk tissue fragment. Preferably, the slender curved member has a radius of curvature of about 0.24", a thickness dimension of about 0.1", and is oriented with respect to the handle member at an angle of about 82.5.degree.. It is further preferable that the blunt tip have a concavedly cylindrical surface with a radius of curvature of about 0.75", a width dimension in a plane parallel to its radius of curvature of about 0.38", and extend from the slender curved member by about 0.62 inches.
    Type: Grant
    Filed: March 20, 1992
    Date of Patent: November 17, 1992
    Inventor: Frederick Winston
  • Hockey stick chisel
    Patent number: 5135528
    Abstract: A medical instrument for performing a vertebral osteotomy comprising an elongated handle member having first and second ends and a curved blade member extending from the second end of the handle, which curved blade member terminates in a chisel at a forward edge. The forward tip of the chisel is chamfered so as to safeguard against contacting the spinal cord during the vertebral osteotomy.
    Type: Grant
    Filed: June 4, 1991
    Date of Patent: August 4, 1992
    Inventor: Frederick Winston
  • Disk plow and methods therefor
    Patent number: 5133719
    Abstract: A medical instrument for engaging a fragment of disk tissue located anterior to the spinal cord and between two vertebrae which comprises an elongated handle member having first and second ends, and a slender curved member extending from the second end of the handle, with the slender curved member terminating in a blunt tip, which blunt tip is employed for engaging the disk tissue fragment. Preferably, the slender curved member has a radius of curvature of about 0.24", a thickness dimension of about 0.1", and is oriented with respect to the handle member at an angle of about 82.5.degree.. It is further preferable that the blunt tip have a concavedly cylindrical surface with a radius of curvature of about 0.75", a width dimension in a plane parallel to its radius of curvature of about 0.38", and extend from the slender curved member by about 0.62 inches.
    Type: Grant
    Filed: June 27, 1991
    Date of Patent: July 28, 1992
    Inventor: Frederick Winston