Patents by Inventor Hegang CHEN

Hegang CHEN 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 apparatus for predicting a need for a blood transfusion
    Patent number: 11191493
    Abstract: A method is provided for predicting that a patient will require a blood transfusion during a treatment. The method includes obtaining, on a processor, first data that indicates values for one or more parameters of a characteristic of a continuous photoplethysmographic (PPG) waveform collected during the treatment. The method further includes applying, on the processor, coefficients to the values for the one or more parameters. The method further includes determining, on the processor, second data that indicates a prediction that the patient will require the blood transfusion during the treatment based on applying the coefficients to the values for the one or more parameters. An apparatus is also provided for predicting that the patient will require the blood transfusion during the treatment.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: December 7, 2021
    Assignee: The University of Maryland, Baltimore
    Inventors: Fu-Ming Hu, Colin Mackenzie, Shiming Yang, Hegang Chen
  • Method and Apparatus for Predicting a Need for a Blood Transfusion
    Publication number: 20190328338
    Abstract: A method is provided for predicting that a patient will require a blood transfusion during a treatment. The method includes obtaining, on a processor, first data that indicates values for one or more parameters of a characteristic of a continuous photoplethysmographic (PPG) waveform collected during the treatment. The method further includes applying, on the processor, coefficients to the values for the one or more parameters. The method further includes determining, on the processor, second data that indicates a prediction that the patient will require the blood transfusion during the treatment based on applying the coefficients to the values for the one or more parameters. An apparatus is also provided for predicting that the patient will require the blood transfusion during the treatment.
    Type: Application
    Filed: February 28, 2019
    Publication date: October 31, 2019
    Inventors: Fu-Ming Hu, Colin Mackenzie, Shiming Yang, Hegang Chen
  • Method and apparatus for predicting a need for a blood transfusion
    Patent number: 10258292
    Abstract: A method is provided for predicting that a patient will require a blood transfusion during a treatment. The method includes obtaining, on a processor, first data that indicates values for one or more parameters of a characteristic of a continuous photoplethysmographic (PPG) waveform collected during the treatment. The method further includes applying, on the processor, coefficients to the values for the one or more parameters. The method further includes determining, on the processor, second data that indicates a prediction that the patient will require the blood transfusion during the treatment based on applying the coefficients to the values for the one or more parameters. An apparatus is also provided for predicting that the patient will require the blood transfusion during the treatment.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: April 16, 2019
    Assignee: University of Maryland, Baltimore
    Inventors: Fu-Ming Hu, Colin Mackenzie, Shiming Yang, Hegang Chen
  • Method and Apparatus for Predicting a Need for a Blood Transfusion
    Publication number: 20160183885
    Abstract: A method is provided for predicting that a patient will require a blood transfusion during a treatment. The method includes obtaining, on a processor, first data that indicates values for one or more parameters of a characteristic of a continuous photoplethysmographic (PPG) waveform collected during the treatment. The method further includes applying, on the processor, coefficients to the values for the one or more parameters. The method further includes determining, on the processor, second data that indicates a prediction that the patient will require the blood transfusion during the treatment based on applying the coefficients to the values for the one or more parameters. An apparatus is also provided for predicting that the patient will require the blood transfusion during the treatment.
    Type: Application
    Filed: August 12, 2014
    Publication date: June 30, 2016
    Applicant: The University of Maryland, Baltimore
    Inventors: Peter Fuming HU, Colin MACKENZIE, Shiming YANG, Hegang CHEN