| CPC A61B 5/282 (2021.01) [A61B 5/0006 (2013.01); A61B 5/6892 (2013.01); A61B 5/7203 (2013.01); G16Y 10/60 (2020.01); G16Y 20/40 (2020.01); G16Y 40/10 (2020.01); H04B 5/26 (2024.01); H04B 5/79 (2024.01); H04W 4/38 (2018.02); H04W 4/80 (2018.02); A61B 2503/045 (2013.01); A61B 2560/0214 (2013.01); H02J 50/10 (2016.02)] | 15 Claims |
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1. A system, comprising:
a plurality of sensors spaced apart from one another and adapted to measure physiological signals from a patient;
a communication module configured to wirelessly transmit the physiological signals measured by the plurality of sensors to a computing device configured to process the physiological signals, wherein the communication module is configured to detachably couple to the computing device via magnets, and wherein the communication module wirelessly transmits the physiological signals and the computing device wirelessly transmits power to the communication module when the communication module is coupled to the computing device via the magnets;
a fabric cover, wherein the plurality of sensors are distributed across a surface of the fabric cover and are adapted to be placed in direct contact with the patient when the patient is positioned on the fabric cover, wherein the fabric cover is a blanket, bed sheet, or mattress cover;
a dynamic switching circuit, wherein the dynamic switching circuit selects which sensors measure physiological signals based on operating conditions of the plurality of sensors;
a pre-processing module configured to pre-process the physiological signals at the fabric cover, wherein the pre-processing module comprises the dynamic switching circuit, wherein the communication module wirelessly transmits the pre-processed physiological signals to the computing device, and wherein the pre-processing module is configured to aggregate, filter, and/or compress the physiological signals at the fabric cover;
a processor of the computing device, wherein, after receiving the pre-processed physiological signals from the communication module, the processor further processes the pre-processed physiological signals to reduce noise and/or measure one or more physiological parameters indicative of a physiological state of the patient; and
an external communication module of the computing device that communicates with an output device;
wherein the communication module and the computing device comprise two pairs of inductive coils, a first pair of the two pairs configured to wirelessly transmit the physiological signals from the communication module to the computing device, a second pair of the two pairs configured to wireless transmit power from the computing device to the communication module, wherein the two pairs are arranged concentrically, and wherein a first radius of one pair of the two pairs is greater than a second radius of another pair of the two pairs.
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8. A system, comprising:
a plurality of sensors spaced apart from one another and adapted to have direct contact with a patient;
a sensing module comprising a first communication module and a dynamic switching circuit, the sensing module coupled to the plurality of sensors and configured to acquire, via the plurality of sensors, physiological signals from the patient, wherein the dynamic switching circuit dynamically selects which of the plurality of sensors measures the physiological signals from the patient based on a position of the patient; and
a signal processing module comprising a second communication module and a power supply, wherein the sensing module wirelessly transmits the physiological signals via the first communication module to the signal processing module and the signal processing module wirelessly receives the physiological signals via the second communication module when the first communication module is aligned with the second communication module, wherein the signal processing module wirelessly transmits, via the second communication module, power from the power supply to the sensing module for powering the sensing module when the first communication module is aligned with the second communication module, and wherein the first communication module and the second communication module align via attachment modules;
wherein the physiological signals are pre-processed at the sensing module prior to transmission via the first communication module to the signal processing module, wherein the physiological signals are further processed at the signal processing module, and wherein after processing at the signal processing module, the physiological signals are sent to an output device via an external communication module of the signal processing module; and
wherein the sensing module further comprises a first attachment module comprising a first magnet and first ridges, wherein the signal processing module further comprises a second attachment module comprising a second magnet and second ridges complementary to the first ridges, wherein the first ridges and the second ridges engage together without slippage when aligned, wherein the sensing module and the signal processing module are detachably coupleable via the first magnet, the second magnet, the first ridges, and the second ridges, and wherein the sensing module only wirelessly transmits the physiological signals to the signal processing module when the sensing module and the signal processing module are detachably coupled via the first attachment module and the second attachment module, respectively, such that the first communication module and the second communication module are inductively coupled.
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12. A method, comprising:
dynamically selecting, via a pre-processing module integrated into a fabric cover, a subset of sensors of a plurality of sensors to measure physiological signals from a patient based on operating conditions of each sensor of the plurality of sensors, wherein the plurality of sensors are distributed across a surface of the fabric cover;
acquiring, via the subset of the plurality of sensors, the physiological signals from the patient;
pre-processing, via the pre-processing module integrated into the fabric cover, the physiological signals, wherein pre-processing the physiological signals comprises aggregating, filtering, and/or compressing the physiological signals;
wirelessly transmitting, via a communication device integrated into the fabric cover, the pre-processed physiological signals to a computing device spatially aligned with and inductively coupled to the communication device, wherein the communication device and the computing device have complementary ridges that engage together without slippage when the communication device and the computing device are spatially aligned, and wherein the complementary ridges are physical features;
processing, via a processing module of the computing device, the pre-processed physiological signals;
outputting the processed physiological signals to an external system; and
displaying, via the external system, the processed physiological signals to a user.
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