Patents by Inventor P. Alan Ruiz

P. Alan Ruiz 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).

  • Spinal fixation devices of improved strength and rigidity
    Publication number: 20040186473
    Abstract: This invention relates to spinal implants of improved strength and rigidity. One embodiment relates to U-shaped, top loading spinal rod receivers wherein the threading on the receiver ends above the top of the rod when the rod is in the locked positions. Other embodiments relate to improved thread designs based on minimizing the gap between the minor diameter of the receiver and the minor diameter of the securing member and by ensuring an equal or substantially equal number of full width threads on each of the flanges of the U-shaped receiver.
    Type: Application
    Filed: March 21, 2003
    Publication date: September 23, 2004
    Inventors: John R. Cournoyer, Michael S. Varieur, P. Alan Ruiz, Anthony R. Carlone