Patents by Inventor Daniel S. Robbins

Daniel S. Robbins 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).

  • Combined distractor and retractor instrument and methods
    Patent number: 7108698
    Abstract: A surgical instrument for use during a spinal surgery procedure. The surgical instrument being configured to distract two adjacent vertebral elements and retract the nerve root to provide access to the distracted site. The instrument including an elongated blade member having a wing located on an edge of the blade member, and a handle.
    Type: Grant
    Filed: January 13, 2004
    Date of Patent: September 19, 2006
    Assignee: Zimmer Spine, Inc.
    Inventors: Daniel S. Robbins, Erik E. Emstad
  • Spinal access instrument
    Publication number: 20040181231
    Abstract: A method of, and surgical instrument for accessing first and second pedicle locations of a spinal column area. The surgical instrument including a blade member slidably positionable along first and second wires. The instrument having a nested arrangement of members, including a portal member having an elongated aperture to access the first and second pedicle locations. The nested arrangement further including a plurality of members configured and sized to incrementally expand the access opening to the spinal column area.
    Type: Application
    Filed: December 1, 2003
    Publication date: September 16, 2004
    Applicant: Centerpulse Spine-Tech, Inc.
    Inventors: Erik E. Emstad, Daniel S. Robbins