An in-ear device for immersive reality applications is provided. The device includes an in-ear fixture configured to seal an ear canal of a user, a temperature sensor mounted on the in-ear fixture and configured to receive a temperature signal from the ear canal of the user, and a processor that is coupled to an augmented reality headset, the processor configured to identify a health condition of the user based on the temperature signal. A method for using the above device, a memory storing instructions and a processor that executes the instructions to perform the method are also provided.

An in-ear device for immersive reality applications is provided. The device includes a fixture configured to fit in an ear canal of a user, an emitter mounted on the in-ear fixture and configured to emit a first electromagnetic radiation onto the ear canal of the user, a detector configured to provide a signal indicative of a second electromagnetic radiation from the ear canal of the user, and a processor that is coupled to an augmented reality headset, the processor configured to identify a health condition of the user based on the signal, wherein the second electromagnetic radiation includes at least a portion of the first electromagnetic radiation reflected from a tissue in the ear canal of the user. A memory storing instructions to cause processors in a system to perform a method for use of the above in-ear device, the memory, the processor, the system and the method are also provided.

An in-ear device for immersive reality applications is provided. The device includes an in-ear fixture configured to fit in an ear canal of a user, a motion sensor mounted on the in-ear fixture and configured to provide a motion signal indicative of an inner body motion or a bulk body motion of the user, a speaker coupled to provide an audio signal to the user, and a processor that is coupled to an augmented reality headset, the processor configured to identify a health condition of the user based on the motion signal. A method for using the above device, a memory and a processor for storing and executing instructions to perform the method are also provided.

A kit for implanting a flexible multi-lead cardiac monitor for recording biosignals when the monitor is placed under the skin. The kit includes the monitor, an implantation tool for implanting the monitor under the skin, and optionally a surgical knife. The monitor exhibits an open-circular shape, is based on a flexible printed circuit board with at least two sensing electrodes, optionally a ground electrode, includes a main circuit based on the FPCB, and is free of a casing. The implantation tool exhibits an open-circular shape to reversibly receive the monitor, includes a base to reversibly accommodate the monitor, a handle connected to the base, and a slider reversibly insertable into the base. A process to make the monitor of the kit, the monitor obtainable according to the process, a process to monitor biosignals with the monitor, and the use of the kit, of the monitor and of the implantation tool.

A kit for implanting a flexible multi-lead cardiac monitor for recording biosignals when the monitor is placed under the skin. The kit includes the monitor, an implantation tool for implanting the monitor under the skin, and optionally a surgical knife. The monitor exhibits an open-circular shape, is based on a flexible printed circuit board with at least two sensing electrodes, optionally a ground electrode, includes a main circuit based on the FPCB, and is free of a casing. The implantation tool exhibits an open-circular shape to reversibly receive the monitor, includes a base to reversibly accommodate the monitor, a handle connected to the base, and a slider reversibly insertable into the base. A process to make the monitor of the kit, the monitor obtainable according to the process, a process to monitor biosignals with the monitor, and the use of the kit, of the monitor and of the implantation tool.

Techniques and apparatus for bilayer nanomesh techniques for transparent and/or stretchable electrophysiological microelectrodes. The bilayer may include of a metal layer and a low impedance coating both in a nanomesh form. Bilayer nanomesh structures according to some embodiments may provide high transparency, great flexibility, large stretchability, while providing improved electrochemical performance compared with conventional systems. Other embodiments are described.

A method for coating an electrode of a medical device, the method consists essentially of coating the electrode of the medical device with chromium monosilicide.

A method for coating an electrode of a medical device, the method consists essentially of coating the electrode of the medical device with chromium monosilicide.

An electrode includes an insulating surface layer and at least one aligned carbon nanotube fiber embedded in the insulating surface layer. Each of the at least one aligned carbon nanotube fiber has a first end and a second end opposite the first end, and the first end and the second end are separated by a body. Each of the at least one aligned carbon nanotube fiber is composed of a plurality of carbon nanotubes. The first end and the second end are free of the insulating surface layer. The second end is in contact with an electrical conductive material. A method of analyzing an analyte in a sample and a device for energy storage using the electrode are also described.

An electrode includes an insulating surface layer and at least one aligned carbon nanotube fiber embedded in the insulating surface layer. Each of the at least one aligned carbon nanotube fiber has a first end and a second end opposite the first end, and the first end and the second end are separated by a body. Each of the at least one aligned carbon nanotube fiber is composed of a plurality of carbon nanotubes. The first end and the second end are free of the insulating surface layer. The second end is in contact with an electrical conductive material. A method of analyzing an analyte in a sample and a device for energy storage using the electrode are also described.