Patents by Inventor Daniel G. Nehls

Daniel G. Nehls 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).

  • Retractor and distractor system for use in anterior cervical disc surgery
    Patent number: 7494463
    Abstract: A retractor, a distractor, and a drill guide for use in performing anterior cervical discectomy and vertebral fusion. The distractor is located with respect to vertebrae to be fused by pins fastened in the vertebrae to be fused, and the retractor is mated mechanically with the distractor to hold the retractor in a required location. Blade carrying arms of the retractor are both moved toward or away from a central part of the retractor.
    Type: Grant
    Filed: October 19, 2004
    Date of Patent: February 24, 2009
    Inventor: Daniel G. Nehls