Abstract: The present disclosure relates to a triboelectric generator including: a first housing rotated by an external force and having a first hole through which a rotating shaft extending in a first direction passes; a rotating part having a second hole through which the rotating shaft passes to be rotated by the rotating shaft, and including a first insulating layer, a first electrode layer, and a first triboelectric layer, which are arranged in a direction opposite to the first direction; and a fixed part having a third hole through which the rotating shaft passes, and including a second insulating layer, a second electrode layer, and a second triboelectric layer, which are arranged in the first direction.

Abstract: A power generation device includes: a first housing having a first hole, a rotating shaft being configured to be rotated by external force and extending in a first direction; a rotating portion having a second hole, and including a first negative charge inducing layer and a second negative charge inducing layer each arranged along the first direction, and a first electric insulation layer between the first negative charge inducing layer and the second negative charge inducing layer; and a fixed portion having a third hole through which the rotating shaft penetrates, and including a first positive charge inducing layer and a second positive charge inducing layer each arranged along the first direction, and a second electric insulation layer between the first positive charge inducing layer and the second positive charge inducing layer.

Abstract: According to one embodiment, an implantable device may include a substrate having a dielectric layer and the first electrode layer disposed thereon; a first dielectric-metal-dielectric (DMD) layer disposed on the substrate and having a charged layer and a membrane disposed symmetrically to each other with reference to an electrode layer; a metal-dielectric-metal (MDM) layer disposed on the first DMD layer and having an electrode layer symmetrically disposed with reference to the membrane; a second DMD layer disposed on the MDM layer; a sealing layer disposed on the second DMD layer; and a metamaterial layer disposed on the sealing layer to press the sealing layer.

Abstract: The present disclosure may provide a triboelectric generator equipped in an electronic device, the triboelectric generator including a power generating unit configured to generate electricity based on an ultrasound wave provided from outside, a first silicon layer arranged between an upper surface of the power generating unit and an inner surface of the electronic device, a second silicon layer arranged on a lower surface of the power generating unit, and a housing arranged to surround an outer periphery of the power generating unit, the first silicon layer, and the second silicon layer.

Abstract: The present disclosure may provide a triboelectric generator equipped in an electronic device, the triboelectric generator including a power generating unit configured to generate electricity based on an ultrasound wave provided from outside, a first silicon layer arranged between an upper surface of the power generating unit and an inner surface of the electronic device, a second silicon layer arranged on a lower surface of the power generating unit, and a housing arranged to surround an outer periphery of the power generating unit, the first silicon layer, and the second silicon layer.

Abstract: The present disclosure may include an electroceutical configured to sense a signal generated from a nerve and provide stimulation to the nerve, and an electronic device configured to control the electroceutical. The present disclosure relates to a system having an electroceutical for nerve stimulation, the electroceutical including a plurality of lead wires disposed to surround the nerve, a header connector including a plurality of pins connected to the plurality of lead wires; and a microcontroller unit (MCU) configured to change a setting of the header connector based on a control signal received from the electronic device.

Abstract: The present disclosure provides an electroceutical including: a housing including a plurality of regions; a triboelectric power harvesting unit configured to generate energy based on an ultrasound wave provided from outside of the electroceutical; a plurality of antennas operating in different frequency bands; and shielding metal configured to shield electromagnetic interference by at least one of the plurality of antennas.

Abstract: The present disclosure relates to a smart band for treating wounds and injuries including: an electrode band module configured to be attached to a target area of a user; a communication module connected to the electrode band module and having a wireless power transmission function; an electrode module arranged on the electrode band module, made of a time-sensitive material, and forming an electric field that electrically stimulates the target area and evaporates exudate of the target area by the power supplied from the communication module; and a processor sensing a supersaturated state or an unsaturated state of the exudate, and controlling the communication module and the electrode module, wherein the processor, upon determining that the exudate is in the supersaturated state, controls the communication module and the electrode module to form the electric field.

Abstract: Disclosed is a nerve conduit. The nerve conduit includes: a conduit body which connects both sides of a severed nerve within a biological body; a triboelectric nanogenerator which includes an upper friction layer and a lower friction layer; a multilinear electrode which is located between the conduit body and the triboelectric nanogenerator, and is electrically connected to the upper and lower friction layers; and an upper encapsulation layer which is positioned above the triboelectric nanogenerator. The nerve conduit of the present disclosure can enhance nerve regeneration efficiency.

Abstract: The present disclosure relates to a smart band for treating wounds and injuries including: an electrode band module configured to be attached to a target area of a user; a communication module connected to the electrode band module and having a wireless power transmission function; an electrode module arranged on the electrode band module, made of a time-sensitive material, and forming an electric field that electrically stimulates the target area and evaporates exudate of the target area by the power supplied from the communication module; and a processor sensing a supersaturated state or an unsaturated state of the exudate, and controlling the communication module and the electrode module, wherein the processor, upon determining that the exudate is in the supersaturated state, controls the communication module and the electrode module to form the electric field.

Abstract: Disclosed is an ultrasonic triboelectric generating device and an electroceutical for nerve stimulation. A metal package is provided externally, an interface design between the metal package and the ultrasonic triboelectric generating device is improved to maximize power generation efficiency by ultrasonic waves, and a high power output may be continuously provided without a battery replacement process in various frequency bands.

Abstract: The present invention relates to an implantable nerve stimulation device, which includes: a body part which is formed of a metal that ultrasonic waves can be transmitted, and includes a stimulation surface and a charging surface facing each other; a header part which is made of a non-metal and is located at one end of the body part; a cover which includes a stimulation electrode, a hinge part rotatably coupled to one side of the stimulation surface, and a coupling part detachably coupled to the other side of the stimulation surface, is positioned above the stimulation surface to interpose a nerve between the electrode and the stimulation surface; and power generation elements which are located inside the body part and are electrically connected to the electrode.

Abstract: The present disclosure relates to a medical ultrasonic triboelectric generator structure for charging a body implantable device and a method of forming the structure. A method of forming a medical ultrasonic triboelectric generator structure for charging a body implantable device includes (a) primarily performing a plasma process on a power generation material on which a polymer material is disposed and performing bonding of the polymer material and a non-conductive material, and (b) secondarily reinforcing the bonding using a physical guide structure including a non-conductive guide structure and a fixing coupling structure.