Patents by Inventor Fred Samuel Greensite

Fred Samuel Greensite 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 processing vectorcardiographic signals for enabling quantitative determination of the percentage of heart muscle tissue affected by an intervention
    Patent number: 4121576
    Abstract: Vector cardiogram signals are processed by an analog computer circuit during a QRS wave interval in which a sheet of depolarization traverses a heart muscle to provide signals which enable a determination of the relative volume of heart muscle tissue that is functioning during the QRS wave interval. By comparing such relative volumes determined from signals processed from vectorcardiograms produced both before and after an "intervention" affecting the heart muscle, such as either a myocardial infarction or a therapeutic intervention following a myocardial infarction, it is possible to make a quantitative determination of the percentage of heart muscle tissue affected by the intervention.A signal proportional to the volume of heart muscle tissue affected by a myocardial infarction is provided by processing vectorcardiogram signals obtained during a QRS wave interval prior to or at the onset of the infarction and vectorcardiogram signals obtained during a QRS wave interval following the infarction.
    Type: Grant
    Filed: February 9, 1977
    Date of Patent: October 24, 1978
    Inventor: Fred Samuel Greensite