Patents by Inventor Clifford J. Ruddle

Clifford J. Ruddle 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).

  • Radiopaque solution for visualizing dental anatomy, pathological conditions, and iatrogenic events, and method of use
    Patent number: 5797745
    Abstract: A radiopaque composition for use in visualizing and cleaning root canal system anatomy, pathologies, anomalies, and iatrogenic conditions. The composition comprises a radiopaque iodine solution and a sodium hypochlorite solution. The iodine solution comprises diatrizoate meglumine and sodium iodine. The iodine solution and sodium hypochlorite solution are mixed in a ratio of between 5:95 to 95:5, by volume. Preferably, the iodine solution and sodium hypochlorite solution are mixed in a ratio of between 30:70 to 70:30, by volume. And more preferably, the iodine solution and sodium hypochlorite solution are mixed in a ratio of between 45:55 to 55:45, by volume. In use, the root canal system anatomy, anomaly, pathology, or iatrogenic condition to be visualized and addressed or treated is liberally flushed with the composition, preferably after the root canal system has been exposed.
    Type: Grant
    Filed: December 20, 1996
    Date of Patent: August 25, 1998
    Inventor: Clifford J. Ruddle