Modular physiologic monitoring systems, kits, and methods
Systems, devices, methods, and kits for monitoring one or more physiologic and/or physical signals from a subject are disclosed. A system including patches and corresponding modules for wirelessly monitoring physiologic and/or physical signals is disclosed. A service system for managing the collection of physiologic data from a customer is disclosed. An isolating patch for providing a barrier between a handheld monitoring device with a plurality of contact pads and a subject is disclosed.
1. A patch interface, comprising:
a substrate with a surface;
an adhesive coupled to the substrate;
an interconnect embedded into or coupled to the substrate, the interconnect being configured for attachment of the patch interface to a microcircuit;
a plurality of microelectrodes attached to or embedded into the surface of the substrate and electrically coupled with the microcircuit via the interconnect; and
one or more macroelectrodes electrically coupled with the microcircuit via the interconnect;
wherein the microcircuit is configured:
to obtain spatial readings of skin neural activity in each of a plurality of monitoring sites, the spatial readings at each of the plurality of monitoring sites being determined from signals measured by one or more of the plurality of microelectrodes;
to determine which of the plurality of monitoring sites have spatial readings of skin neural activity exceeding a baseline reading by comparing the signals measured by the plurality of microelectrodes with signals measured by at least one of the one or more macroelectrodes; and
to identify one or more clusters of the monitoring sites having spatial readings of skin neural activity exceeding the baseline reading.
2. The patch interface of claim 1 , wherein the signals measured by said at least one of the one or more macroelectrodes comprise macro-electrophysiological signals from the subject, and wherein the signals measured by the plurality of microelectrodes comprise neural activity signals from the subject.
3. The patch interface of claim 1 , wherein the baseline reading is representative of an artifact.
4. The patch interface of claim 3 , wherein the artifact represents at least one of a stretch artifact and a movement artifact.
5. The patch interface of claim 1 , wherein the microcircuit comprises two or more processing banks.
6. The patch interface of claim 5 , wherein:
a first one of the two or more processing banks is coupled to a first one of the one or more macroelectrodes and a first subset of the plurality of microelectrodes; and
a second one of the two or more processing banks is coupled to a second one of the one or more macroelectrodes and a second subset of the plurality of microelectrodes.
7. The patch interface of claim 6 , wherein the first subset of the plurality of microelectrodes and the second subset of the plurality of microelectrodes are attached to or embedded into respective distinct portions of the substrate to interact with different regions of neural innervation of the subject when the adhesive is attached to the skin of the subject.
8. The patch interface of claim 6 , wherein the first subset of the plurality of microelectrodes and the second subset of the plurality of microelectrodes are configured to interact with different neural structures of the subject when the adhesive is attached to the skin of the subject.
9. The patch interface of claim 1 , wherein the one or more macroelectrodes provide at least one of a guard function, a reference function, and a counter electrode function for one or more of the plurality of microelectrodes.
10. The patch interface of claim 1 , wherein the one or more macroelectrodes are shaped and patterned on the substrate surrounding the plurality of microelectrodes to reduce movement artifacts from the signals measured by the plurality of microelectrodes.
11. The patch interface in accordance with claim 1 , further comprising one or more stretchable electrically conducting traces attached to the substrate, arranged to couple one or more sensors, microelectrodes, and macroelectrodes with one of the interconnect and the microcircuit.
12. The patch interface in accordance with claim 1 , wherein the patch interface is configured to not retain a predetermined shape in a free standing state.
13. The patch interface in accordance with claim 12 , further comprising a temporary stiffening member attached to the substrate, the temporary stiffening member configured to provide retention of the shape of the patch interface prior to attachment to the subject, the stiffening member being removable from the substrate after attachment to the subject.
14. The patch interface in accordance with claim 1 , wherein the substrate is formed from a soft pseudo-elastic material and the patch interface is configured to maintain operation when stretched to one of more than 25%, more than 50%, and more than 80%.
15. A module, comprising:
a housing;
a circuit board comprising one or more microcircuits, the circuit board coupled to the housing; and
one or more module interconnects coupled to one or more of the microcircuits, the one or more module interconnects being configured for placement and coupling of the module onto a patch interface;
the one or more microcircuits being configured:
to obtain spatial readings of skin neural activity in each of a plurality of monitoring sites, the spatial readings at each of the plurality of monitoring sites being determined from signals measured by one or more of a plurality of microelectrodes attached to or embedded into a surface of a substrate of the patch interface;
to determine which of the plurality of monitoring sites have spatial readings of skin neural activity exceeding a baseline reading by comparing the signals measured by the plurality of microelectrodes with signals measured by at least one of one or more macroelectrodes electrically coupled with the one or more microcircuits via one or more patch interconnects configured to mate with the one or more module interconnects; and
to identify one or more clusters of the monitoring sites having spatial readings of skin neural activity exceeding the baseline reading.
16. The module in accordance with claim 15 , wherein the module is hermetically sealed.
17. The module in accordance with claim 15 , wherein the one or more microcircuits comprise two or more processing banks.
18. The module in accordance with claim 17 , wherein:
a first one of the two or more processing banks is coupled to a first one of the one or more macroelectrodes and a first subset of the plurality of microelectrodes; and
a second one of the two or more processing banks is coupled to a second one of the one or more macroelectrodes and a second subset of the plurality of microelectrodes.
19. The module in accordance with claim 18 , wherein the first subset of the plurality of microelectrodes and the second subset of the plurality of microelectrodes are attached to or embedded into respective distinct portions of the substrate to interact with different regions of neural innervation of the subject when the adhesive is attached to the skin of the subject.
20. The module in accordance with claim 18 , wherein the first subset of the plurality of microelectrodes and the second subset of the plurality of microelectrodes are configured to interact with different neural structures of the subject when the adhesive is attached to the skin of the subject.