Patents Assigned to HD Medical Inc.
  • Heart diagnosis system
    Patent number: 7611471
    Abstract: The invention provides a method and apparatus for analysing a heart signal from a beating heart, the method comprising: collecting the heart signal, performing a cluster analysis of the signal to identify the first heart sound and the second heart sound, determining an energy envelope for each of a plurality of regions in the signal, determining the area of each of the energy envelopes, and classifying features in the signal by an analysis incorporating at least the areas, whereby one or more characteristics of the heart can be determined.
    Type: Grant
    Filed: May 28, 2002
    Date of Patent: November 3, 2009
    Assignee: HD Medical Inc.
    Inventor: Arvind Thiagarajan