Patents by Inventor Jorge Jeffery

Jorge Jeffery 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).

  • Optical detection and quantification of microair in blood
    Patent number: 6529751
    Abstract: Both the number and the size of microair bubbles in a bloodstream are accurately determined optically, independently of oxygen saturation, by monitoring the intensity of light transmission in the 800-850 nm range through the bloodstream and indicating the count and amplitude range of peaks in the monitored intensity.
    Type: Grant
    Filed: February 8, 1999
    Date of Patent: March 4, 2003
    Assignee: Medtronic, Inc.
    Inventors: Michael R. Van Driel, Juan Carlos Flores, Aaron S. Ingle, Jorge Jeffery, Craig R. Meyer, Yu-Tung Wong, David L. Zollinger
  • Ultrasonic diversion of microair in blood
    Patent number: 5811658
    Abstract: Microair bubbles in a bloodstream are diverted from the bloodstream in a diversion chamber by ultrasonic energy, and are collected in a blood-filled stasis column where they can be accurately measured by a bubble detector and then vented to atmosphere. Bubbles of different sizes can be separated into different stasis columns for enhanced measurement.
    Type: Grant
    Filed: April 29, 1997
    Date of Patent: September 22, 1998
    Assignee: Medtronic, Inc.
    Inventors: Michael R. Van Driel, Jorge Jeffery, Yu-Tung Wong