DEVICE AND METHOD FOR MONITORING PAIN
First Claim
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1. A device to monitor pain in a subject, the device comprising:
- a portable unit comprising;
a galvanic skin response sensor comprising;
at least two electrodes held in a fixed position on the skin of the subject;
at least one additional sensor; and
an impedance converter operatively connected to the at least two electrodes;
a microcontroller operatively connected to the impedance converter and to the at least one additional sensor wherein the microcontroller operates the impedance converter; and
a wireless transmitter operatively connected to the microcontroller; and
an analysis unit operatively connected to the portable unit, the analysis unit comprising;
a wireless receiver;
a computing device operatively connected to the wireless receiver, the computing device comprising;
at least one processor;
a computer readable media (CRM) encoded with a data analysis application executable on the at least one processor.
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Abstract
Devices and methods for monitoring pain in a subject, including a wearable device in communication with an analysis system that monitors pain in a subject using measurements of electrodermal activity in the subject are disclosed.
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Citations
20 Claims
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1. A device to monitor pain in a subject, the device comprising:
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a portable unit comprising; a galvanic skin response sensor comprising; at least two electrodes held in a fixed position on the skin of the subject; at least one additional sensor; and an impedance converter operatively connected to the at least two electrodes; a microcontroller operatively connected to the impedance converter and to the at least one additional sensor wherein the microcontroller operates the impedance converter; and a wireless transmitter operatively connected to the microcontroller; and an analysis unit operatively connected to the portable unit, the analysis unit comprising; a wireless receiver; a computing device operatively connected to the wireless receiver, the computing device comprising; at least one processor; a computer readable media (CRM) encoded with a data analysis application executable on the at least one processor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A pain sensing system for estimating a pain index representative of a perceived pain in a subject, the system comprising:
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a portable unit comprising; a galvanic skin response sensor to monitor a skin impedance of the subject, the galvanic skin response sensor comprising; at least two electrodes maintained in a fixed position and separation distance on a portion of skin of the subject; at least one additional sensor; and an impedance converter to obtain a plurality of electrode measurements and analyze the plurality of electrode measurements to calculate at least one measured skin impedance value; a wireless data transmitter to transmit the plurality of electrode measurements, the at least one measured skin impedance, and a second plurality of additional sensor measurements to an analysis system; the analysis system comprising; a wireless data receiver to receive the plurality of electrode measurements, the at least one measured skin impedance, and a second plurality of additional sensor measurements; at least one processor; a CRM comprising a data analysis application comprising a plurality of modules executable on the at least one processor, wherein the data analysis application calculates a pain index using the plurality of electrode measurements, the at least one measured skin impedance, and the second plurality of additional sensor measurements. - View Dependent Claims (16, 17)
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18. A method to monitor pain in a subject, the method comprising:
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positioning a portable unit on a hand of a patient, the portable unit comprising; a galvanic skin response sensor comprising; at least two electrodes held in a fixed position on the skin of the subject; at least one additional sensor; and an impedance converter operatively connected to the at least two electrodes; a microcontroller operatively connected to the impedance converter and to the at least one additional sensor wherein the microcontroller operates the impedance converter; and a wireless transmitter operatively connected to the microcontroller; obtaining at least one electrode measurement from the palm of the subject; calculating at least one measured skin impedance for the subject using the at least one electrode measurement; receiving a plurality of signals from the microcontroller encoding raw data comprising;
the at least one electrode measurement;
the at least one measured skin impedance, at least one additional sensor measurement from the skin impedance of the subject, and any combination thereof; andtransmitting a plurality of wireless signals encoding the raw data to the wireless receiver; analyzing raw data using an analysis unit operatively connected to the portable unit, the analysis unit comprising; a wireless receiver; a computing device operatively connected to the wireless receiver, the computing device comprising; at least one processor; a computer readable media (CRM) encoded with a data analysis application executable on the at least one processor. - View Dependent Claims (19, 20)
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Specification