Methods, systems, and devices for optimal positioning of sensors
First Claim
1. A biomedical sensor, comprising:
- a) a sensor body having a skin-facing surface and an opposed surface;
b) a plurality of conducting elements disposed at least partly over the skin-facing surface;
c) a sensing element connected to the conducting elements, so that the sensing element detects a signal representative of a physiological parameter of a body facing the skin-facing surface using the conducting elements;
d) an indicator spaced apart from the skin-facing surface, the indicator including plural separately-activatable visual indicators;
e) a storage device storing a physiological model; and
f) a processor coupled to the sensing element, the indicator, and the storage device, so that the processor determines a quality of sensor placement by comparing the signal to the stored physiological model and operates the indicator to provide a human-perceptible indication of the determined quality; and
wherein the processor is configured to activate none of the visual indicators if the signal corresponds to an absence or failed detection of the physiological parameter;
to activate a selected first positive number of the visual indicators if the signal is not consistent with the physiological model; and
to activate a selected second positive number of the visual indicators if the signal is consistent with the physiological model, the selected second positive number being greater than the selected first positive number.
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Accused Products
Abstract
A biomedical sensor has conducting elements disposed at least partly over a skin-facing surface. A sensing element detects a signal representative of a physiological parameter of a body using the conducting elements. A storage device stores a physiological model. A processor determines sensor placement quality by comparing the signal to the model and operates an indicator to indicate the determined quality. A method of measuring using the sensor includes computing a measurement acceptance criterion using numerous measurements, determining whether a subsequent test measurement corresponds to the measurement acceptance criterion obtained from the computing step, and indicating the results via the indicator. A system for measuring a physiological property of the body includes the sensor, a user interface device to receive measurements from the sensor, and a processor associated with the user interface device and configured to provide feedback if the measurement does not meet a selected acceptance criterion.
8 Citations
18 Claims
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1. A biomedical sensor, comprising:
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a) a sensor body having a skin-facing surface and an opposed surface; b) a plurality of conducting elements disposed at least partly over the skin-facing surface; c) a sensing element connected to the conducting elements, so that the sensing element detects a signal representative of a physiological parameter of a body facing the skin-facing surface using the conducting elements; d) an indicator spaced apart from the skin-facing surface, the indicator including plural separately-activatable visual indicators; e) a storage device storing a physiological model; and f) a processor coupled to the sensing element, the indicator, and the storage device, so that the processor determines a quality of sensor placement by comparing the signal to the stored physiological model and operates the indicator to provide a human-perceptible indication of the determined quality; and wherein the processor is configured to activate none of the visual indicators if the signal corresponds to an absence or failed detection of the physiological parameter;
to activate a selected first positive number of the visual indicators if the signal is not consistent with the physiological model; and
to activate a selected second positive number of the visual indicators if the signal is consistent with the physiological model, the selected second positive number being greater than the selected first positive number. - View Dependent Claims (2, 3, 4, 5)
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6. A method of determining optimal placement of a sensor for measuring a physiological parameter of a user, the method comprising:
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a calibration step of measuring the physiological parameter of the body using a sensor a plurality of times to provide respective measurements; using a processor, automatically computing a measurement acceptance criterion using the respective measurements; a testing step of measuring the physiological parameter of the body using the sensor to provide a test measurement; automatically determining whether the test measurement corresponds to the measurement acceptance criterion obtained from the computing step; and automatically operating an indicator of the sensor to provide a human-perceptible indication of the results of the determining step. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13)
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14. A system to determine optimal placement of a sensor for measuring a physiological parameter of a user, the system comprising:
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a) a sensor having a sensing element configured to measure the physiological parameter, and having a first transceiver configured to communicate the measurement; b) a user interface device including a second transceiver configured to receive the measurement from the first transceiver; and c) a processor associated with the user interface device and configured to automatically determine, using the received measurement, whether a sensor position over the body at a time corresponding to the received measurement meets a selected acceptance criterion, and, if not, to present sensor-position feedback to the user via the user interface device. - View Dependent Claims (15, 16, 17, 18)
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Specification