A sensor attached to a living body includes a sensor body that outputs a signal corresponding to biological information, and a cable that is connected to a sensor body and transmits the signal. The cable has a first portion having a first flexibility and a second portion having a second flexibility lower than the first flexibility. The second flexibility enables the second portion to be bent, and is able to retain a shape of the second portion in a bent state.

Hearing assistance systems, devices and methods including obtaining, by the device, multiple brain and bio-signals indicative of the auditory and visual attentional focus of the user, obtaining a mixed sound signal from multiple sound sources and applying, by the device, speech-separation and enhancement processing to the mixed sound signal to derive a plurality of separated signals that each contains signals corresponding to different groups of the multiple sound sources, and selecting one of the pluralities of separated signals either solely based on the obtained brain signals, or on a combination of bio-signals, including but not limited to eye gaze direction, head, neck and trunk orientation, etc. The separated signals may then be processed (i.e., amplified, attenuated) based on the needs of the user.

A non-invasive glucose sensor used for glucose detection in a subject is provided. The sensor includes a long channel source to excite a first location of a skin and a long channel detector to detect near infrared (NIR) energy emitted from the first location of the skin. A short channel source excites a second location of the skin and a short channel detector detects NIR energy emitted from the second location of the skin. The sensor further includes a long channel processor to process a long channel electrical signal into a glucose spectroscopic data and a short channel processor to process a short channel electrical signal into a background spectroscopic data. The sensor includes a spectroscopic processor to subtract the background spectroscopic data from the glucose spectroscopic data, and thereby to produce data indicative of a quantity of glucose present in the subject's blood.

Ear-wearable device of measuring physiological signals disclosed. The ear-wearable device may include a body to be placed on a back of an ear, an ear hook, having one end coupled to the body and placed in front of the ear to fix the body to the ear, an oximeter, configured for measuring a saturation of percutaneous oxygen and having a detection surface disposed near the other end of the ear hook, an in-ear thermometer being connected to the body by a flexible cord, and a wireless transceiver, configured for wirelessly transmitting measurements of the oximeter and the in-ear thermometer.

A pulse oximeter sensor with earhook assembly for placement along the outside of a person's ear supported by the ear flap and ear lobe into which is placed a sensors for receiving and transmitting human body's analytics such as pulse or blood oxygen saturation.

Provided according to embodiments of the invention are photoplethysmography probes designed for use on a user's nasal alar. Methods of using such photoplethysmography probes are also provided herein.

Systems and methods for determining if a wearable photoplethysmography device is correctly positioned in operating to medical signs of a user by using a classifier to determine if a signal is valid or invalid. In some embodiments, in using the classifier to determine in a signal is valid or invalid, a lean method of linear computational complexity and minimal memory complexity is provided for determining at the wearable photoplethysmography device if it is correctly positioned. In some embodiments, in using the classifier minimal computational complexity is used in determining at the wearable photoplethysmography device if it is correctly positioned.

A non-transitory computer-readable recording medium stores a driving support program that causes a computer to execute a process including: collecting vital sign information on a user from a vital sign measuring device; generating a drowsiness occurrence time pattern with respect to the user based on the collected vital sign information; and in response to a request in which a driver is specified from a source of the request, providing the drowsiness occurrence time pattern that is generated with respect to the user corresponding to the driver to the source of the request to the source of request or providing alerting information to the driver that is determined according to the drowsiness occurrence time pattern generated with respect to the user corresponding to the driver to the source of request.

The present disclosure relates to noninvasive methods, devices, and systems for measuring various blood constituents or analytes, such as glucose. In an embodiment, a light source comprises LEDs and super-luminescent LEDs. The light source emits light at at least wavelengths of about 1610 nm, about 1640 nm, and about 1665 nm. In an embodiment, the detector comprises a plurality of photodetectors arranged in a special geometry comprising one of a substantially linear substantially equal spaced geometry, a substantially linear substantially non-equal spaced geometry, and a substantially grid geometry.

Systems, devices and methods for noninvasive analysis of tissue, by irradiating a surface of the tissue with infrared radiation such that an interaction of the radiation with a component of the tissue other than water in two spectral bands is substantially identical, measuring an intensity of the radiation that emerges from the tissue in each of the spectral bands, determining change in at least one of shape and intensity of signals received by the at least one radiation detector, calculating a relative absorption by the tissue of radiation in one of the first and second spectral bands relative to absorption by the tissue of radiation in the other of the first and second spectral bands, and determining concentration of a predetermined substance, in accordance with the calculated relative absorption and in accordance with determined change in the received signal.