Nocturnal muscle activity monitoring system
First Claim
1. A muscle activity monitoring system, comprisinga) a muscle activity sensor, for sensing muscle activity at a location on a body;
- b) a processor, for analyzing said sensed muscle activity to determine the presence of a pattern of muscle activity, and for correlating said pattern of muscle activity with a diagnosis of a disorder;
c) a display, for displaying said diagnosis;
d) a power source, for powering said muscle activity sensor, said processor, and said display; and
e) a housing, for housing said processor, said display, and said power source, on said muscle activity sensor, said housing being placeable at said location on said body.
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Abstract
A muscle activity monitoring system that integrates a minimal data-collection and analysis system into a disposable, single-use device that achieves data collection and analysis without requiring the assistance of a trained technician. The monitoring system includes a muscle activity sensor for sensing muscle activity at a location on the body, and a processor for analyzing the sensed muscle activity to determine a presence of a pattern of muscle activity that is correlated to a diagnosis. The diagnosis is displayed by a plurality of non-volatile markers. The markers are preferably heat-sensitive or electrochemical cells that undergo a permanent detectable change when a current flows through the cells. A housing houses the processor, the display, and a power source on the muscle activity sensor.
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Citations
15 Claims
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1. A muscle activity monitoring system, comprising
a) a muscle activity sensor, for sensing muscle activity at a location on a body; -
b) a processor, for analyzing said sensed muscle activity to determine the presence of a pattern of muscle activity, and for correlating said pattern of muscle activity with a diagnosis of a disorder;
c) a display, for displaying said diagnosis;
d) a power source, for powering said muscle activity sensor, said processor, and said display; and
e) a housing, for housing said processor, said display, and said power source, on said muscle activity sensor, said housing being placeable at said location on said body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
a) an analog to digital converter, for converting a signal describing said sensed muscle activity into a digital signal; b) an envelope detector, for detecting signals, in said digital signal, describing episodes of muscle activity;
c) a valid muscle contraction detector, for determining a reference amplitude for said detected signals describing episodes of muscle activity, and for comparing said detected signals describing episodes of muscle activity to said reference amplitude so as to detect episodes of potentially abnormal muscle contraction;
d) a reference peak memory, for storing said reference amplitude;
e) an episode detector, for detecting episodes of abnormal muscle contraction by calculating a temporal relationship between said episodes of potentially abnormal muscle contraction and by counting said episodes of potentially abnormal muscle contraction;
f) an episode counter, for counting said detected episodes of abnormal muscle contraction;
g) a decision integrator, for i) generating a description of a pattern of muscle activity from said counted detected episodes of abnormal muscle contraction, ii) correlating said described pattern of muscle activity with a diagnosis, and iii) informing said display to display said diagnosis, and h) a system controller, for initiating and terminating operation of said analog to digital converter, said envelope detector, said valid muscle contraction detector, said reference peak memory, said episode detector, said episode counter and said decision integrator.
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10. A muscle activity monitoring method, comprising the steps of
a) placing a housing at a location on a body; -
b) sensing muscle activity at said housing during a time interval;
c) processing said sensed muscle activity to detect a pattern of muscle activity, said processing occurring during said time interval;
d) correlating said pattern of muscle activity with a diagnosis of a disorder, said correlating occurring during said time interval; and
e) displaying said diagnosis on said housing. - View Dependent Claims (11, 12, 13, 14, 15)
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Specification