The disclosure relates to an electronic device for measuring a bio-signal and a method for operation in the electronic device. The method includes obtaining a first impedance value, based on a first group of electrodes of the electronic device being in contact with a first portion of a human body, and a first region of a second portion of the human body being in contact with two electrodes among a second group of electrodes included in the electrode module according to a first measurement posture of a user, obtaining a second impedance value, obtaining a correction value and storing the correction value in a memory, and obtaining a corrected first impedance value by applying the correction value to the first impedance value.

An ultrasound device may include ultrasound transducer array that include one or more array elements of a first type and one or more array elements of a second type different from the first type. The first type may include a transducer configured to transmit acoustic waves. The second type may include an optical sensor. The array elements of the first and second types are configured to detect acoustic echoes corresponding to the transmitted acoustic waves.

We disclose a portable wearable device for measuring electrocardiographic signals, the device comprising a first portion comprising at least two electrodes; a second portion comprising at least three electrodes; the first portion and the second portion being vertically spaced from one another; a controller configured to take: a first potential difference measurement using one of the electrodes of the first portion and one of the electrodes of the second portion; a second potential difference measurement using one other of the electrodes of the first portion and one other of the electrodes of the second portion; and a third potential difference measurement using one other of the electrodes of the first portion and one other of the electrodes of the second portion. The controller is configured to simultaneously take the first, second and third potential difference measurements at three independent positions of a user's body.

A bio-signal measuring apparatus includes a first electrode, a second electrode, a third electrode, a fourth electrode, and a first circuit network and a second circuit network, each of the first circuit network and the second circuit network includes one or more resistances. The bio-signal measuring apparatus further includes an impedance measurer configured to measure a first impedance of the first circuit network in a first correction mode, measure a second impedance of the second circuit network in a second correction mode, measure a third impedance of an object in a first measurement mode, using the first electrode, the second electrode, the third electrode, and the fourth electrode, and measure a fourth impedance of the object in a second measurement mode, using the first electrode, the second electrode, the third electrode, and the fourth electrode.

An embodiment of the present disclosure discloses a device including a housing and a biometric sensor, the biometric sensor is configured to sense whether a first part of a human body is in contact with a first electrode and a second electrode, detect whether a second part of the human body is in contact with a third electrode and a fourth electrode, obtain phase information of the impedance of the human body by using the first, second, third and fourth electrodes, determine whether the acquired phase information of the impedance is within a designated range, and provide a guide for a measurement method when the acquired phase information of the impedance deviates from the designated range. Various other embodiments identified through the specification are possible.

An active implantable medical device (AIMD) has an alumina housing supporting at least two electrodes. A printed circuit board (PCB) assembly resides inside the housing. Two sintered platinum-containing pathways extend through the housing thickness from the electrodes supported on the housing body fluid side surface to a housing device side surface. A device side end of each of the two platinum-containing pathways is in electrical continuity with an electrical contact supported on the PCB to energize the electrodes for providing stimulation therapy to a patient or for sensing biological signals from the patient.

For localizing gingival inflammation within a user's mouth the following steps are carried out using an oral care device (10): (i) sequentially emitting (520) light by a plurality of light sources (48) in a first sequential pattern, wherein at least some of the plurality of light sources are configured to emit light of different wavelengths; (ii) sequentially emitting (530) light in a second sequential pattern which is the reverse of the first sequential pattern; (iii) obtaining (540), by a light detector (40), reflectance measurements to generate first reflectance data from light emitted in the first sequential pattern, and to generate second reflectance data from light emitted in the second sequential pattern; (iv) averaging (550), by a controller (30), first reflectance data and second reflectance data for each wavelength to generate averaged reflectance data; and (v) determining (570), using the averaged reflectance data, whether gingiva at the location is inflamed.

A medical photometer includes a signal producing section that produces a first control signal to emit a first light having a first wavelength, a second control signal to emit a second light having a second wavelength, a third control signal to emit a third light having a third wavelength, and a fourth control signal to emit a fourth light having a fourth wavelength, a signal acquiring section that acquires a first to fourth intensity signals, a processor, and a memory that stores instructions. In the medical photometer, the first wavelength and the second wavelength are selected as two wavelengths at each of which an extinction coefficient of blood is a first value. The third wavelength and the fourth wavelength are selected as two wavelengths at each of which the extinction coefficient of the blood is a second value which is different from the first value.

Provided are composite array electrode, preparation method thereof and use thereof. The composite array electrode comprises a microelectrode array substrate, and a modification layer formed on a surface of a microelectrode of the microelectrode array substrate, wherein the modification layer comprises a plurality of electrically conductive layers arranged at intervals on the surface of the microelectrode, an insulating layer arranged on the surface of the microelectrode except the electrically conductive layers, and wherein material for the electrically conductive layers comprises one or more of nano platinum, nano iridium, conductive polymer and carbon nanotubes. The composite array electrode effectively eliminates the influence of edge effect such that the electric field distributes uniformly on the microelectrode surface of the composite array electrode, significantly improving electrochemical performance and detection capability of the electrode.

Exemplary embodiments of the present disclosure are directed towards a medical device for assessing, and predicting and operating the user's health by capturing the user's vital signs in real time. The medical device comprises a plurality of electrodes and a plurality of sensors positioned on various finger sheaths, wrist portions, and hand portions. The various finger sheaths, the wrist portions, and the hand portions are configured to allow the plurality of electrodes to detect a plurality of electrical potentials on different surfaces of a user's body parts and the plurality of sensors to collect vital signs on different surfaces of a user's body parts. at least one processing device configured to contact with the plurality of electrodes and the plurality of sensors, the plurality of electrodes and the plurality of sensors configured to transmit the detected plurality of electrical potentials and the plurality of vital signs from the different surfaces of the user's body parts to the processing device. The processing device configured to store the plurality of electrical potentials and the plurality of vital signs and process the detected plurality of electrical potentials and the plurality of vital signs to assess a user's health and an end user device configured to receive the plurality of processed electrical potentials and the plurality of vital signs form the processing device through a network.