Apparatus and methods for analyzing body sounds

Details Apparatus and methods for analyzing body sounds Apparatus and methods for analyzing body sounds

1996-11-15

1999-09-28

Cohen, Lee

Surgery

Diagnostic testing

Detecting sound generated within body

600528, 600529, 600481, A61B 700

Patent

active

059578661

ABSTRACT:
Apparatus for assisting an operator to diagnose physical conditions in a patient by collecting and analyzing cyclical body sounds such as heart beat, peripheral vessel sounds, or breath sounds. Several cycles of data are collected and digitized. Each cycle is converted to the frequency domain and phase fixed. Then all of the frequency converted and phase fixed cycles are signal averaged together, and the results displayed to the operator. The cycles may be sorted according to respiratory cycle and averaged in two groups. The cycles may be gated according to the patients ECG. The apparatus may suggest diagnoses or further maneuvers to be performed.

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