# US 11,110,273 B2 · Electrical stimulation device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,110,273 B2 - Document ID: US11110273B2 - Status: Granted - Kind: B2 - Application number: 16/428,262 - Filed: 2019-05-31 - Published: 2019-11-07 - Granted: 2021-09-07 - Earliest claimed: 2014-08-01 - Assignees: Y-Brain Inc. - Applicants: Y-Brain Inc. - Inventors: Kiwon Lee - Web page: https://patentgrep.com/patent/US11110273B2 ## CPC - A61N 1/36025: {for treating a mental or cerebral condition} - A61B 5/0531: Measuring skin impedance - A61B 5/296: for electromyography [EMG] - A61B 5/4836: {Diagnosis combined with treatment in closed-loop systems or methods (A61B5/0036 takes precedence)} - A61B 5/6803: {Head-worn items, e.g. helmets, masks, headphones or goggles} - A61N 1/0456: {Specially adapted for transcutaneous electrical nerve stimulation [TENS]} - A61N 1/0476: {Array electrodes (including any electrode arrangement with more than one electrode for at least one of the polarities)} - A61N 1/36031: {using physiological parameters for adjustment} - A61B 2560/0276: Determining malfunction - A61B 2562/0204: Acoustic sensors - A61B 2562/0215: Silver or silver chloride containing - A61B 2562/0217: Electrolyte containing - A61B 2562/0219: Inertial sensors, e.g. accelerometers, gyroscopes, tilt switches - A61B 2562/043: in a linear array - A61N: ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY (measurement of bioelectric currents A61B; surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body A61B18/00; anaesthetic apparatus in general A61M; incandescent lamps H01K; infrared radiators for heating H05B) - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract An electrical stimulation device is provided. The electrical stimulation device according to one embodiment of the present inventive concept is worn on the head so as to apply electrical stimulation to the brain, and comprises: a frame to be worn on the head; an electrode structure including an electrode part formed of a conductive member and a cover unit formed of an insulating member covering at least a part of the electrode part, and of which one end is connected to the frame; and a patch detachable from the electrode structure and making contact with the head when attached to the electrode structure. ## Claims ### Claim 1 An electrical stimulation device configured to be worn on a human head, the electrical stimulation device comprising: a frame having an inner surface and an outer surface opposite to the inner surface, and configured to be worn on the human head; an a plurality of electrode structures installed on the inner surface of the frame, and configured to apply an electrical stimulation to a brain of the human head, wherein each electrode structure of the plurality of electrode structures comprises an electrode part formed of a conductive member and a cover unit formed of an insulating member surrounding at least a part of the electrode part, and one end of the electrode structure is connected to the inner surface of the frame; a plurality of patches coupled with the plurality of the electrode structures, wherein each patch of the plurality of patches is attached to the other end of corresponding electrode structure so as to be detachable from the corresponding electrode structure; and an operation unit installed on the inner surface of the frame, and configured to control an operation of the electrical stimulation device, wherein a marker is formed on the upper or lower surface of the frame. ### Claim 2 (depends on 1) The electrical stimulation device of claim 1, the marker is a protruding shape. ### Claim 3 (depends on 1) The electrical stimulation device of claim 1, wherein the frame has a ring shape with one open side and a length of at least a part of the frame extends along a circumference of the frame. ### Claim 4 (depends on 3) The electrical stimulation device of claim 3, wherein the frame comprises an extension shaft and an extension frame, wherein the extension frame is separated from the frame. ### Claim 5 (depends on 3) The electrical stimulation device of claim 3, wherein the frame is connected to an sub-frameshaft at one end of the frame. ### Claim 6 (depends on 3) The electrical stimulation device of claim 3, wherein the frame is connected to an sub-frameshaft at one end of the frame. ### Claim 7 (depends on 1) The electrical stimulation device of claim 1, wherein the frame has a ring shape and a length of at least a part of the frame extends along a circumference of the frame, and the frame comprises extension part, and wherein the extension part is formed of an elastic material which is differ from the material of the frame. ### Claim 8 An electrical stimulation device configured to be worn on a human head, the electrical stimulation device comprising: a frame having an inner surface and an outer surface opposite to the inner surface, and configured to be worn on the human head; an a plurality of electrode structures installed on the inner surface of the frame, and configured to apply an electrical stimulation to a brain of the human head, wherein each electrode structure of the plurality of electrode structures comprises an electrode part formed of a conductive member and a cover unit formed of an insulating member surrounding at least a part of the electrode part, and one end of the electrode structure is connected to the inner surface of the frame; a plurality of patches coupled with the plurality of the electrode structures, wherein each patch of the plurality of patches is attached to the other end of corresponding electrode structure so as to be detachable from the corresponding electrode structure; an operation unit installed on the inner surface of the frame, and configured to control an operation of the electrical stimulation device; a wear sensing part configured to sense a worn state of the frame; an impedance measurement part configured to measure impedance through the patch; and a controller configured to determine whether to apply current to the electrode part based on results of sensing of the wear sensing part and measurement of the impedance measurement part, wherein the wear sensing part comprises a gyro sensor capable of sensing a direction. ### Claim 9 (depends on 8) The electrical stimulation device of claim 8, wherein the impedance measurement part measures bioimpedance or electrode impedance through the patch, and the controller analyze the results of the sensing from the wear sensing part and measurement result from the impedance measurement part and, the controller determines whether the user wears the electrical stimulation device in a correct direction and a measured impedance value is within a preset value range and the controller determines whether that the patch is accurately located at the target position. ### Claim 10 (depends on 8) The electrical stimulation device of claim 8, further comprising: one or more of a speaker, a vibrator, a light-emitting device, and a communication part, wherein the controller controls the one or more of the speaker, the vibrator, the light-emitting device, and the communication part based on the results of sensing of the wear sensing part and measurement of the impedance measurement part.