Patents by Inventor Keith David Williams

Keith David Williams 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).

  • Laser light source for instrument tip visualization
    Patent number: 11096657
    Abstract: A laser light source transmits laser light to a tip of an interventional instrument such as a needle via an optical fiber. The laser light is absorbed at the distal tip of the instrument and generates a photoacoustic signal. The laser light source is configured to receive a trigger signal from an ultrasound machine when a laser pulse is to be produced. The light source signals the ultrasound machine when an optical connector is connected to the laser light source to automatically begin a needle tip (NTV) visualization mode. If the optical connector is removed from the laser light source, the laser light source stops producing laser light pulses.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: August 24, 2021
    Assignee: FUJIFILM SONOSITE, INC.
    Inventors: Qinglin Ma, Paul Thurman Dunham, Keith David Williams, Hiroshi Murakami, Wealth Salvador, Carl Fabian, Brian R. Twehues
  • LASER LIGHT SOURCE FOR INSTRUMENT TIP VISUALIZATION
    Publication number: 20180153412
    Abstract: A laser light source transmits laser light to a tip of an interventional instrument such as a needle via an optical fiber. The laser light is absorbed at the distal tip of the instrument and generates a photoacoustic signal. The laser light source is configured to receive a trigger signal from an ultrasound machine when a laser pulse is to be produced. The light source signals the ultrasound machine when an optical connector is connected to the laser light source to automatically begin a needle tip (NTV) visualization mode. If the optical connector is removed from the laser light source, the laser light source stops producing laser light pulses.
    Type: Application
    Filed: June 2, 2017
    Publication date: June 7, 2018
    Inventors: Qinglin Ma, Paul Thurman Dunham, Keith David Williams, Hiroshi Murakami, Wealth Salvador, Carl Fabian, Brian R. Twehues