Surgery – Diagnostic testing – Measuring anatomical characteristic or force applied to or...
Patent
1996-01-16
1998-07-28
Hindenburg, Max
Surgery
Diagnostic testing
Measuring anatomical characteristic or force applied to or...
600551, A61B 5103
Patent
active
057856648
ABSTRACT:
Disclosed are systems and methods for detecting an onset of true labor in a pregnant mammal. In accordance with a method of this invention the following steps are executed: (a) detected electrical signals from a succession of muscular contractions associated with labor; (b) determining a spectral content of the electrical signals for each contraction; (c) determining a discriminant (.delta.) from the determined spectral content for each contraction so as to provide a set of discriminants, individual ones of the set of discriminants being associated with an individual one of the contractions; and (d) indicating a beginning of true labor when a slope of at least two discriminants of the set of discriminants exceeds a first threshold value and when a magnitude of a last determined discriminant exceeds a second threshold value. The onset of true labor can also be indicated when a value of a critical determinant exceeds a threshold value, the value of the critical determinant being obtained from a combination of the slope of at least two discriminants of the set of discriminants and a magnitude of a last determined discriminant.
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Hindenburg Max
Hygeia Biomedical Research Inc.
Wingood Pamela L.
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