An optical sensing module suitable for wearable devices, the optical sensing module comprising: a silicon or silicon nitride transmitter photonic integrated circuit (PIC), the transmitter PIC comprising: a plurality of lasers, each laser of the plurality of lasers operating at a wavelength that is different from the wavelength of the others; an optical manipulation region, the optical manipulation region comprising one or more of: an optical modulator, optical multiplexer (MUX); and additional optical manipulation elements; and one or more optical outputs for light originating from the plurality of lasers.

A sensor of a biological information measurement device is easily and reliably attached to a living body with an appropriate pressing force. The biological information measurement device comprises a base, an adhering unit that is provided in a bottom surface portion of the base and sticks to a living body surface of a subject with a predetermined sticking force, a first sensor unit that is provided in a displaceable manner with respect to the base for measuring biological information of the subject, and a pressing unit for elastically pressing the first sensor unit to the living body surface against the predetermined sticking force in a case where the adhering unit sticks to the living body surface.

Sensor systems can be used to measure an analyte concentration. Sensor systems can include a base having a distal side configured to face towards a person's skin. An adhesive can couple the base to the skin. A transcutaneous analyte measurement sensor can be coupled to the base and can be located at least partially in the host. A transmitter can be coupled to the base and can transmit analyte measurement data to a remote device.

A sensor network for measuring physiological parameters of a mammal subject includes a plurality of spatially separated sensor systems that is time-synchronized to each other. Each of the plurality of spatially separated sensor systems is attached to a respective position of the mammal subject and includes a sensor member for measuring at least one physiological parameter, a system on a chip (SoC) having a microprocessor coupled to the sensor member for receiving data from the sensor member and processing the received data, and a transceiver coupled to the SoC for wireless data transmission and wireless power harvesting. The sensor network also includes a microcontroller unit (MCU) adapted in wireless communication with the plurality of spatially separated sensor systems for wirelessly transmitting data to and from the plurality of spatially separated sensor systems.

An auscultation device includes an electrocardiogram (ECG) device, a sound receiver device, a synchronization device and a processor. The ECG device is configured to receive an ECG signal. The sound receiver device is configured to receive a heart sound signal. The synchronization device is configured to transmit a synchronization signal to the

ECG device and the sound receiver device, so that the ECG device starts to receive the ECG signal and the sound receiver device starts to receive the heart sound signal in time synchronization. Moreover, the processor is configured to generate an ECG according to the ECG signal, generate a heart sound diagram according to the heart sound signal, and generate a synchronization timing diagram according to the ECG and the heart sound diagram.

An apparatus for personal health maintenance has a sensor attached at least indirectly to a carrier member in turn attachable to a user or subject and configured for measurement of at least one physiological parameter of the user. A reservoir contains a preselected composition. An electronic processor is operatively connected to the sensor for receiving a signal therefrom encoding a measurement of the physiological parameter, the processor being configured for determining a divergence of the physiological parameter from a predetermined magnitude, the processor being operatively connected to a dispensing mechanism for ejecting, from the reservoir, an amount of the composition to be administered to the user to reduce divergence of the physiological parameter from the predetermined magnitude. The dispensing mechanism includes an expandable polymer composite layer with gas-filled micro-bubbles or microspheres expandable by operation of a heating element.

A device and a means to measure the periodic change in blood supply volume, from which the heart rate can be inferred. The device is useful for equipment intended to track the physical activity of animals, including humans, particularly if they are engaging in some sort of physical activity designed to improve the physical performance of the animal. One possible application is to improve the accuracy of the fitbit devices used by dark skinned humans.

Provided are tissue-mounted devices and methods for monitoring a thermal transport property (e.g., thermal conductivity, thermal diffusivity, heat capacity) of tissue, such as skin. The devices conformally mount to the tissue and have one or more thermal actuators and a plurality of sensors. The actuator applies heat to the tissue and the sensors to detect a spatio temporal distribution of a physiological tissue parameter or physical property resulting from the heating. This spatio temporal information may be correlated with a rate, velocity and/or direction of blood flow, the presence of a vascular occlusion, circulation changes due to inflammation, hydration level and other physiological parameters.

Near Infrared Spectroscopy is employed to non-invasively detect blood glucose concentrations, in a multi-sensing detection device. A multi-layered artificial neural network is used to assess these relationships of non-linear interference from human tissue, as well as differences among individuals, and accurately estimate blood glucose levels. Diffuse reflectance spectrum from the palm at six different wavelengths analyzed with a neural network, results in a correlation coefficient as high as 0.9216 when compared to a standard electrochemical glucose analysis test.

A high-reliability analyte detection device, includes: a bottom shell ; a sensor, with the sensor being assembled on the bottom shell, the sensor including a signal output end and a detection end, wherein the signal output end is provided with at least two mutually insulated first electrical connection areas, and the signal output end is curved or bent toward the bottom surface of the bottom shell; a transmitter, with the transmitter and the bottom shell being engaged with each other, and the transmitter being provided with at least two mutually insulated second electrical connection areas which correspond to the first electrical connection areas, wherein the first electrical connection areas are electrically connected to the corresponding second electrical connection areas; and an elastic member, with the signal output end being in contact with the elastic member.