Patents by Inventor Donald Shields

Donald Shields 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).

  • Publication number: 20070249046
    Abstract: Devices and methods for treating tissue injuries and augmenting the maturation and differentiation of stem cell populations are provided. The devices comprises ultrasonic oscillators capable of variable frequency output, user-selectable based on the tissue being treated. The devices produce therapeutic ultrasound that is pulsed and has a modulated amplitude and varying waveform of variable intensity.
    Type: Application
    Filed: April 20, 2006
    Publication date: October 25, 2007
    Inventor: Donald Shields
  • Publication number: 20070249969
    Abstract: Systems, devices, and methods for delivering ultrasonic treatment to a subject. An ultrasound therapy device includes a waveform generator, one or more transducers, one or more sensors, and a controller. In some embodiments, the waveform generator is configured to generate a first driving signal having at least a first waveform segment and a second waveform segment different from the first waveform segment.
    Type: Application
    Filed: April 20, 2007
    Publication date: October 25, 2007
    Inventor: Donald Shields