Patents by Inventor Stuart R. Criley

Stuart R. Criley 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).

  • Method and system for detection of respiratory variation in plethysmographic oximetry
    Patent number: 9757043
    Abstract: A method and system for detection of pulsus paradoxus are provided. In one embodiment, the method includes determining a power spectrum density for a plethysmographic waveform and identifying pulsus paradoxus based on the power spectrum density. The power spectrum density may include a first wave peak indicative of a respiratory rate and a second wave peak indicative of a heart rate. Pulsus paradoxus can be identified by comparing a height of the first wave peak and a height of the second wave peak.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: September 12, 2017
    Assignee: LOS ANGELES BIOMEDICAL RESEARCH INSTITUTE AT HARBOR-UCLA MEDICAL CENTER
    Inventors: Gregory R. Mason, John M. Criley, Stuart R. Criley
  • METHOD AND SYSTEM FOR DETECTION OF RESPIRATORY VARIATION IN PLETHYSMOGRAPHIC OXIMETRY
    Publication number: 20130281805
    Abstract: A method and system for detection of pulsus paradoxus are provided. In one embodiment, the method includes determining a power spectrum density for a plethysmographic waveform and identifying pulsus paradoxus based on the power spectrum density. The power spectrum density may include a first wave peak indicative of a respiratory rate and a second wave peak indicative of a heart rate. Pulsus paradoxus can be identified by comparing a height of the first wave peak and a height of the second wave peak.
    Type: Application
    Filed: June 17, 2013
    Publication date: October 24, 2013
    Applicant: Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center
    Inventors: Gregory R. Mason, John M. Criley, Stuart R. Criley