A flexible implantable electrode array is disclosed, comprising: a shank formed from a flexible polymer material. In an example embodiment, the shank comprises: a waveguide; and a number of chipsets disposed in the shank along the length of the shank, wherein each chipset is configured to measure neural activity in tissue surrounding the shank near the respective chipset, and to communicate signals representative of the measured neural activity via the waveguide. A method for powering and receiving neuronal information from a flexible implantable electrode array comprises: wirelessly communicating power and commands from a backplane to a plurality of chipsets disposed along the length of a shank via a waveguide disposed within the shank; monitoring neural activity proximate each chipset and sending a signal representative of said neural activity from the corresponding chipset transceiver to the backplane via the waveguide.

A flexible implantable electrode array is disclosed, comprising: a shank formed from a flexible polymer material. In an example embodiment, the shank comprises: a waveguide; and a number of chipsets disposed in the shank along the length of the shank, wherein each chipset is configured to measure neural activity in tissue surrounding the shank near the respective chipset, and to communicate signals representative of the measured neural activity via the waveguide. A method for powering and receiving neuronal information from a flexible implantable electrode array comprises: wirelessly communicating power and commands from a backplane to a plurality of chipsets disposed along the length of a shank via a waveguide disposed within the shank; monitoring neural activity proximate each chipset and sending a signal representative of said neural activity from the corresponding chipset transceiver to the backplane via the waveguide.

A conductive film includes a cured material having a composition containing a conductive polymer and a binding resin, wherein a water content of the cured material after water absorption is 70% or less.

A conductive film includes a cured material having a composition containing a conductive polymer and a binding resin, wherein a water content of the cured material after water absorption is 70% or less.

A bioelectrode includes a conductive rubber electrode and a silver coating layer provided on the conductive rubber electrode and containing a silicone rubber and silver particles. The silver coating layer contains a modified silicone and contains ions for ion conduction among the silver particles.

A biological electrode that includes an electrode member made of a conductive rubber having a plurality of electrode portions in contact with a body of a subject. The plurality of electrode portions are protrusively formed on an electrode portion forming surface of the electrode member and arranged circularly or concentrically on the electrode portion forming surface. Further, each of the plurality of electrode portions is formed so that a cross-sectional area thereof gradually decreases from a proximal end portion thereof toward a distal end portion thereof and a center of a cross section of the distal end portion is positioned radially outward of a center of a cross section of the proximal end portion as viewed from an arrangement center of the plurality of electrode portions.

A biological electrode that includes an electrode member made of a conductive rubber having a plurality of electrode portions in contact with a body of a subject. The plurality of electrode portions are protrusively formed on an electrode portion forming surface of the electrode member and arranged circularly or concentrically on the electrode portion forming surface. Further, each of the plurality of electrode portions is formed so that a cross-sectional area thereof gradually decreases from a proximal end portion thereof toward a distal end portion thereof and a center of a cross section of the distal end portion is positioned radially outward of a center of a cross section of the proximal end portion as viewed from an arrangement center of the plurality of electrode portions.

This bioelectrode is configured by applying a water-absorbing resin to a sheet-like structure including conductive fibers so as to have a moisture retention index of 0.8 or more. This bioelectrode-equipped apparatus comprises a fabric structure having, on a base fabric formed from an elastic fabric, an electrode placement region that includes a wiring formed on a surface of the base fabric, a bioelectrode provided to the terminal end of the wiring, and an insulating layer for covering the wiring, wherein the base fabric has a first extension direction exhibiting relatively low extensibility in the electrode placement region and a second extension direction which is different from the first extension direction and which exhibits higher extensibility than the first extension direction, and the wiring is formed along the first extension direction.

This bioelectrode is configured by applying a water-absorbing resin to a sheet-like structure including conductive fibers so as to have a moisture retention index of 0.8 or more. This bioelectrode-equipped apparatus comprises a fabric structure having, on a base fabric formed from an elastic fabric, an electrode placement region that includes a wiring formed on a surface of the base fabric, a bioelectrode provided to the terminal end of the wiring, and an insulating layer for covering the wiring, wherein the base fabric has a first extension direction exhibiting relatively low extensibility in the electrode placement region and a second extension direction which is different from the first extension direction and which exhibits higher extensibility than the first extension direction, and the wiring is formed along the first extension direction.

Alternating electric fields (e.g., TTFields) may be applied to a subject's body using an electrode assembly that includes a skin contact layer formed at least partially of a conductive adhesive composite. An electrode element is electrically coupled to the conductive adhesive composite. Optionally, the electrode assembly can include a layer (e.g., sheet) of anisotropic material between the electrode element and the skin contact layer. Optionally, the skin contact layer may comprise an outer adhesive layer comprising conductive adhesive composite, an inner adhesive layer comprising conductive adhesive composite, and a substrate positioned between the inner and outer adhesive layers.