Patents by Inventor James Arthur Douglas

James Arthur Douglas 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).

  • Hemodynamic monitor and method of hemodynamic monitoring
    Patent number: 10188303
    Abstract: An apparatus and method for determining stroke volume. The apparatus receives an arterial pressure waveform and is arranged to correct a part of the pressure waveform that relates to a heart beat for an influence of an ectopic heart beat, of atrial fibrillation on the pressure waveform or of changes in the pressure waveform's baseline. The apparatus also comprising means arranged to calculate the stroke volume from the corrected waveform.
    Type: Grant
    Filed: February 10, 2011
    Date of Patent: January 29, 2019
    Assignee: LIDCO Group PLC
    Inventors: David Marston Band, Terence Kevin O'Brien, Eric Mills, Christopher Bancroft Wolff, James Arthur Douglas
  • HEMODYNAMIC MONITOR AND METHOD OF HEMODYNAMIC MONITORING
    Publication number: 20130006126
    Abstract: An apparatus and method for determining stroke volume. The apparatus receives an arterial pressure waveform and is arranged to correct a part of the pressure waveform that relates to a heart beat for an influence of an ectopic heart beat, of atrial fibrillation on the pressure waveform or of changes in the pressure waveform's baseline. The apparatus also comprising means arranged to calculate the stroke volume from the corrected waveform.
    Type: Application
    Filed: February 10, 2011
    Publication date: January 3, 2013
    Applicant: LIDCO Group PLC
    Inventors: David Marston Band, Terence Kevin O'Brien, Eric Mills, Christopher Bancroft Wolff, James Arthur Douglas