Patient monitor placement indicator
First Claim
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1. A noninvasive medical monitoring device, said monitoring device comprising:
- a physiological sensor configured to output at least one physiological signal;
at least one processor configured with computer-readable instructions to;
calculate at least one reference transmittance value indicative of a reference position of said physiological sensor on a measurement site;
calculate at least one operating transmittance value indicative of a position of said physiological sensor on said measurement site relative to said reference position;
compare said at least one reference transmittance value with said at least one operating transmittance value; and
generate an indication when said comparison exceeds a placement indication threshold.
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Abstract
A monitoring device for measuring one or more physiological parameters of a medical patient can include a finger clip sensor connected to a monitor. A placement indicator helps the patient to properly position the sensor. The monitor can display a message alerting the patient to reposition the sensor. The device can delay measurement until the sensor is properly positioned.
1053 Citations
20 Claims
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1. A noninvasive medical monitoring device, said monitoring device comprising:
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a physiological sensor configured to output at least one physiological signal; at least one processor configured with computer-readable instructions to; calculate at least one reference transmittance value indicative of a reference position of said physiological sensor on a measurement site; calculate at least one operating transmittance value indicative of a position of said physiological sensor on said measurement site relative to said reference position; compare said at least one reference transmittance value with said at least one operating transmittance value; and generate an indication when said comparison exceeds a placement indication threshold. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of determining positioning of a physiological sensor, said method comprising:
by a noninvasive medical monitoring device, comprising said physiological sensor configured to output at least one physiological signal, and computer-readable instructions configuring at least one processor to perform; calculating at least one reference transmittance value from a first plurality of physiological signals received from said physiological sensor on a measurement site of a patient, wherein said at least one reference transmittance value is indicative of a reference position of said physiological sensor on said measurement site; calculating at least one operating transmittance value from a second plurality of physiological signals received from said physiological sensor, wherein said at least one operating transmittance value is indicative of a current position of said physiological sensor on said measurement site; comparing said at least one reference transmittance value with said at least one operating transmittance value; determining whether said comparison exceeds a placement indicator threshold; and generating an indication when said comparison exceeds said placement indicator threshold. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A method of determining positioning of a physiological sensor, said method comprising:
by a noninvasive medical monitoring device, comprising said physiological sensor configured to output at least one physiological signal, and computer-readable instructions configuring at least one processor to perform; calculating a first value from a first set of physiological signal data received from said physiological sensor, wherein said first value is indicative of a first position of said physiological sensor on said measurement site; calculating a second value from a second set of physiological signal data received from said physiological sensor after calculating said first value, wherein said second value is indicative of a second position of said physiological sensor on said measurement site; comparing said first value and said second value; and generating an indication based at least in part on the comparison between said first value and said second value. - View Dependent Claims (18, 19, 20)
Specification