An actively-powered temperature data logger patch with wireless data communication includes a sealed, flexible battery comprising a printed electrochemical cell with an anode and a cathode, and a flexible circuit including a microprocessor, a temperature sensor configured to sense a temperature of a
An actively-powered temperature data logger patch with wireless data communication includes a sealed, flexible battery comprising a printed electrochemical cell with an anode and a cathode, and a flexible circuit including a microprocessor, a temperature sensor configured to sense a temperature of a target subject, a wireless communication transceiver and an antenna. In one example, the flexible battery and flexible circuit are arranged in a covering, stacked arrangement between first and second substrate layers, and the patch configured to conform to a curved surface of the target subject. In another example, the patch is used in an actively-powered medical system for monitoring a body temperature of a patient, and includes an adhesive configured to be removably applied to skin of the patient. An external computing device is capable of two way communication with the wireless communication transceiver of the patch via an electromagnetic field.
대표청구항▼
1. An actively-powered temperature data logger patch with wireless data communication, comprising: a first substrate layer;a sealed, flexible battery configured to provide continuous electrical power, comprising a printed electrochemical cell with an anode and a cathode, at least one of said anode a
1. An actively-powered temperature data logger patch with wireless data communication, comprising: a first substrate layer;a sealed, flexible battery configured to provide continuous electrical power, comprising a printed electrochemical cell with an anode and a cathode, at least one of said anode and cathode being formed of a cured or dried ink, and first and second battery electrode contacts that are each electrically coupled to one of the anode and cathode;a flexible circuit comprising a microprocessor, a temperature sensor configured to sense a temperature of a target subject, a wireless communication transceiver and an antenna, the flexible circuit further comprising first and second battery contact pads that are each electrically coupled to one of the first and second battery electrode contacts to thereby electrically power the microprocessor and temperature sensor,wherein the microprocessor and the temperature sensor actively receive continuous electrical power from the flexible battery irrespective of whether the communication transceiver is powered,wherein the microprocessor further comprises a timer that actively receives electrical power from the flexible battery and is configured to enable the microprocessor to continuously obtain a plurality of temperature samples from the temperature sensor at a periodic time interval; anda second substrate layer comprising an adhesive configured to be removably applied to a surface of the target subject,wherein the flexible battery and flexible circuit together comprise an electronics inlay that is arranged in a covering, stacked arrangement between the first and second substrate layers, andwherein all of the first substrate layer, electronics inlay, and second substrate layer are sufficiently flexible so that the temperature data logger patch is configured to conform to a curved or variable surface of the target subject and is able to flex and move together with movement of the target subject without inadvertent removal of the temperature data logger patch from the target subject. 2. The patch of claim 1, wherein the wireless communication transceiver is configured to be passively powered by an electromagnetic field from an external computing device. 3. The patch of claim 2, wherein the wireless communication transceiver utilizes a standard NFC communications protocol. 4. The patch of claim 1, wherein the wireless communication transceiver utilizes a standard Bluetooth or Bluetooth low-energy communications protocol. 5. The patch of claim 1, wherein the microprocessor comprises a unique identification code (UID). 6. The patch of claim 5, wherein the microprocessor is configured to wirelessly transmit the plurality of temperature samples to an external computing device via the wireless communication transceiver and antenna. 7. The patch of claim 1, wherein the microprocessor further comprises a memory for storing the temperature samples together with an associated time-stamp for each temperature sample. 8. The patch of claim 7, wherein the flexible circuit further comprises an auxiliary memory storage device, and the microprocessor is configured to transfer data between the memory of the microprocessor and the auxiliary memory storage device. 9. The patch of claim 1, wherein the first and second battery electrode contacts of the flexible battery are mechanically and electrically coupled to the first and second battery contact pads of the flexible circuit. 10. The patch of claim 1, wherein the second substrate at least partially comprises a hydrogel that is arranged in a covering relationship over the temperature sensor and is configured to be removably applied to a patient's skin. 11. The patch of claim 1, wherein the second substrate at least partially comprises a polyethylene foam coated on at least one side with a pressure-sensitive adhesive configured to be removably applied to a patient's skin. 12. The patch of claim 1, wherein the electronics inlay is encapsulated between the first and second substrate layers. 13. The patch of claim 1, wherein both of the anode and cathode of the electrochemical cell comprise a cured or dried ink, and the anode and cathode are provided in a co-planar arrangement. 14. The patch of claim 1, wherein the microprocessor is configured to selectively provide electrical power to the temperature sensor only when the microprocessor is obtaining a temperature sample from the temperature sensor. 15. An actively-powered temperature data logger patch with of wireless data communication, comprising: a first substrate layer;a sealed, flexible battery configured to provide continuous electrical power, comprising a printed electrochemical cell with an anode and a cathode that are provided in a co-planar arrangement;a flexible circuit comprising a microprocessor, a temperature sensor configured to sense a temperature of a target subject, a wireless communication transceiver and an antenna,wherein the microprocessor actively receives electrical power from the flexible battery, the temperature sensor actively receives electrical power from the microprocessor, and the wireless communication transceiver is passively powered by an electromagnetic field from an external computing device,wherein the microprocessor and the temperature sensor actively receive continuous electrical power from the flexible battery to enable the microprocessor to continuously obtain a plurality of temperature samples from the temperature sensor at a periodic time interval, irrespective of whether the communication transceiver is powered; anda second substrate layer comprising an adhesive configured to be removably applied to a surface of the target subject,wherein the flexible battery and flexible circuit are disposed between the first and second substrate layers, and wherein all of the first substrate layer, electronics inlay, and second substrate layer are flexible, andwherein all of the first substrate layer, flexible battery, flexible circuit, and second substrate layer are all sufficiently flexible so that the temperature data logger patch is configured to conform to a curved or variable surface of the target subject and is able to flex and move together with movement of the target subject without inadvertent removal of the temperature data logger patch from the target subject. 16. The patch of claim 14, wherein the microprocessor is configured to selectively provide electrical power to the temperature sensor only when the microprocessor is obtaining a temperature sample from the temperature sensor. 17. The patch of claim 14, wherein the wireless communication transceiver utilizes a standard NFC communications protocol. 18. The patch of claim 14, wherein the microprocessor further comprises a timer configured to enable the microprocessor to obtain temperature samples from the temperature sensor at the periodic time interval, and the microprocessor further comprises a memory for storing the temperature samples together with an associated time-stamp for each temperature sample. 19. The patch of claim 14, wherein the microprocessor is configured to wirelessly transmit each temperature sample to said external computing device via the wireless communication transceiver and antenna.
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