Patents by Inventor Adam D. Downey

Adam D. Downey 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).

  • System And Method For Driving An Ultrasonic Handpiece With A Linear Amplifier
    Publication number: 20200030848
    Abstract: A control console for a powered surgical tool. The console includes a transformer that supplies the drive signal to the surgical tool. A linear amplifier with active resistors selectively ties the ends of the transformer primary winding between ground and the open circuit state. Feedback voltages from the transformer windings regulate the resistances of the active resistors.
    Type: Application
    Filed: October 1, 2019
    Publication date: January 30, 2020
    Inventors: Adam D. Downey, Neal R. Butler, Scott A. Rhodes
  • System and method for driving an ultrasonic handpiece with a linear amplifier
    Patent number: 10449570
    Abstract: A control console for a powered surgical tool. The console includes a transformer that supplies the drive signal to the surgical tool. A linear amplifier with active resistors selectively ties the ends of the transformer primary winding between ground and the open circuit state. Feedback voltages from the transformer windings regulate the resistances of the active resistors.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: October 22, 2019
    Assignee: STRYKER CORPORATION
    Inventors: Adam D. Downey, Neal R. Butler, Scott A. Rhodes
  • SYSTEM AND METHOD FOR DRIVING AN ULTRASONIC HANDPIECE WITH A LINEAR AMPLIFIER
    Publication number: 20180056328
    Abstract: A control console for a powered surgical tool. The console includes a transformer that supplies the drive signal to the surgical tool. A linear amplifier with active resistors selectively ties the ends of the transformer primary winding between ground and the open circuit state. Feedback voltages from the transformer windings regulate the resistances of the active resistors.
    Type: Application
    Filed: November 7, 2017
    Publication date: March 1, 2018
    Inventors: Adam D. Downey, Neal R. Butler, Scott A. Rhodes
  • ULTRASONIC SURGICAL TOOL CAPABLE OF VIBRATING IN PLURAL MODES AND A DRIVE SYSTEM THAT INDUCES NON-LINEAR VIBRATIONS IN THE TOOL TIP
    Publication number: 20170143369
    Abstract: An ultrasonic surgical tool system with a tip capable of simultaneously vibrating in plural modes. The system includes a console capable of supplying a drive signal to the tip that includes plural components. Each component has a frequency characteristic that is based in part on the equivalent of current through the mechanical components of the tip. The frequency components are different from each other. Based on the application of drive signal the tip undergoes non-linear vibrations.
    Type: Application
    Filed: February 6, 2017
    Publication date: May 25, 2017
    Inventors: Adam D. Downey, Robert M. Baldwin