Dry electrodes are electrodes for attachment to human skin without skin preparation or the use of electrolyte gels. The electrode includes a substrate, electrically conductive particles with at least one point, in contact with the substrate, a supporting layer that envelopes the electrically conductive particles with points that protrude from the supporting layer, and an electrical connector. Some electrodes have an electrically conductive substrate, other electrodes have an electrically conductive supporting layer.

Dry electrodes are electrodes for attachment to human skin without skin preparation or the use of electrolyte gels. The electrode includes a substrate, electrically conductive particles with at least one point, in contact with the substrate, a supporting layer that envelopes the electrically conductive particles with points that protrude from the supporting layer, and an electrical connector. Some electrodes have an electrically conductive substrate, other electrodes have an electrically conductive supporting layer.

A bioelectrode includes a support member, an electrode member of conductive rubber, including a supported part that is a member to be supported by the support member and at least one electrode part that is a member protruding from the supported part, and a snap-button-type connector that is provided on the support member, and that electrically connects the electrode member to outside. The snap-button-type connector and the supported part are integrally molded.

The present invention provides a bio-electrode composition including (A) an ionic material and (C) a metal powder, wherein the component (A) is a polymer compound containing a repeating unit-a having a structure selected from the group consisting of an ammonium salt, a sodium salt, a potassium salt, and a silver salt of any of fluorosulfonic acid, fluorosulfonimide, and fluorosulfonamide. This can form a living body contact layer for a bio-electrode that is excellent in electric conductivity and biocompatibility, light-weight, manufacturable at low cost, and free from large lowering of the electric conductivity even though it is wetted with water or dried.

A subcutaneous sensor for use with a continuous glucose monitor includes a reference electrode, a working electrode, and a composition for releasing nitric oxide (NO). The reference electrode includes a reference substrate and an ion limiting layer over the reference substrate. The working electrode includes a conductive substrate, an interference layer over the conductive substrate, an enzyme layer over the interference layer, and a glucose limiting layer. The enzyme layer has an enzyme for reacting with in-vivo glucose in body fluid of a patient. The glucose limiting layer is over the enzyme layer and limits an amount of the in-vivo glucose from the body fluid of the patient that passes to the enzyme layer. The composition for releasing nitric oxide (NO) includes a NO release compound, a hydrophilic material and a hydrophobic material. The composition is on the reference electrode.

A subcutaneous sensor for use with a continuous glucose monitor includes a reference electrode, a working electrode, and a composition for releasing nitric oxide (NO). The reference electrode includes a reference substrate and an ion limiting layer over the reference substrate. The working electrode includes a conductive substrate, an interference layer over the conductive substrate, an enzyme layer over the interference layer, and a glucose limiting layer. The enzyme layer has an enzyme for reacting with in-vivo glucose in body fluid of a patient. The glucose limiting layer is over the enzyme layer and limits an amount of the in-vivo glucose from the body fluid of the patient that passes to the enzyme layer. The composition for releasing nitric oxide (NO) includes a NO release compound, a hydrophilic material and a hydrophobic material. The composition is on the reference electrode.

A headset device is described herein comprising a lower band comprising an outer surface and an inner surface, wherein a front portion of the lower band comprises at least one sensor positioned on the inner surface, wherein at least one arm extends from the lower band, wherein a proximal end of the at least one arm is rotatably attached to the lower band, wherein a distal end of the at least one arm comprises a sensor, wherein a rear portion of the lower band comprises adjustable straps for adjusting a circumference of the lower band. The headset device comprises an upper band comprising an upper surface and a lower surface, wherein at least one dry electrode component extends from the lower surface of the upper band, wherein the upper band is adjustably attached to the lower band.

A subcutaneous sensor for use with a continuous glucose monitor includes a working electrode and a reference electrode. The reference electrode comprises a reference substrate, an ion limiting layer over the reference substrate and a composition for releasing nitric oxide (NO). The composition has a NO release compound, a hydrophilic material and a hydrophobic material. A subcutaneous sensor for use with a continuous glucose monitor includes a reference electrode comprising a composition for releasing nitric oxide (NO). The composition has a NO release compound, a hydrophilic material and a hydrophobic material. The reference electrode is positioned separate from a working electrode.

A subcutaneous sensor for use with a continuous glucose monitor includes a working electrode and a reference electrode. The reference electrode comprises a reference substrate, an ion limiting layer over the reference substrate and a composition for releasing nitric oxide (NO). The composition has a NO release compound, a hydrophilic material and a hydrophobic material. A subcutaneous sensor for use with a continuous glucose monitor includes a reference electrode comprising a composition for releasing nitric oxide (NO). The composition has a NO release compound, a hydrophilic material and a hydrophobic material. The reference electrode is positioned separate from a working electrode.

An electrode configured to adhere to a patient's skin to conduct electrical potentials therefrom includes a substrate, a skin adhesive configured to adhere the electrode to a patient's skin, and a conductor plate mounted on the substrate. A conductive gel is configured to contact the patient's skin and to conduct electrical potentials from the patient's skin to the conductor plate when the electrode is adhered to the patient's skin. A removable separator is positioned between the conductive gel and the conductor plate, wherein the removable separator is configured to be removed prior to operating the electrode to conduct electrical potentials.