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Adherent device with multiple physiological sensors

  • US RE46,926 E1
  • Filed: 08/25/2016
  • Issued: 07/03/2018
  • Est. Priority Date: 09/14/2007
  • Status: Active Grant
First Claim
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1. An adherent device to monitor a patient for an extended period, the device comprising:

  • a first adherent patch comprising a breathable tape with an adhesive coating to adhere the breathable tape to a skin of the patient, the adherent patch also comprising a plurality of electrodes affixed to the breathable tape and capable of electrically coupling to the skin of the patient; and

    an electronics module comprising electrocardiogram circuitry coupled to at least two of the plurality of electrodes and impedance circuitry coupled to at least two of the plurality of electrodes, the electronics module also comprising wireless communications circuitry coupled to the electrocardiogram circuitry and to the impedance circuitry to transmit to a remote server another device an electrocardiogram signal derived from an output of the electrocardiogram circuitry and a hydration signal derived from an output of the impedance circuitry;

    wherein the electronics module is coupled to the breathable tape to support the electronics module when the tape is adhered to the patient;

    and wherein the electronics module is separable from the adherent patch such that the electronics module can be reused with a second adherent patch to provide monitoring for an extended period;

    wherein the adherent patch further comprises a respective gel disposed over a contact surface of each of the plurality of electrodes to electrically connect the respective electrode to the skin of the patient; and

    wherein the adherent patch further comprises a gel cover positioned over the breathable tape to inhibit a flow of the gel through the breathable tape, and wherein the electronics module is located over the gel cover such that the gel cover is disposed between the breathable tape and the electronics module, wherein the gel cover is configured to inhibit transmission of liquid water and permit transmission of moisture vapor.

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