A portable system may measure and monitor physiological parameters of a human being by analysis of a body fluid. The system may include a consumable part in the form of a measuring patch to be adhered to the skin. The measuring patch may be equipped with a sensor system configured to provide measured values of physiological parameters by body fluid analysis. The system may further include a body-worn readout unit suitable for continuous use, which is configured to read out and monitor the measured values supplied by the measuring patch. The readout unit is further configured to be worn over the measuring patch adhered to the skin and to read out and monitor the measured values in this position.

A wearable sensor includes: a base member that has a through hole serving as a flow path of liquid and a recess connecting with an end portion of the through hole on an outlet side; a water absorbing structure disposed on a surface of the base member on the outlet side to come into contact with the liquid flowing into the recess from an opening of the through hole on the outlet side; a laser diode that radiates light toward the liquid flowing into the recess from the opening of the through hole on the outlet side; and a photodiode that receives light from the laser diode transmitted through the liquid or light reflected by the liquid. An amount of perspiration of a wearer of the wearable sensor is calculated based on light receiving characteristics of the photodiode.

The present application relates to a system for monitoring a physical activity performed by a subject, the system including: a pose sensor, a garment and one or more processing devices. The pose sensor is configured to sense one or more pose parameters. The garment includes a number of arrays of electrodes positioned on the garment that contact skin of the subject and generate electrical signals indicative of electrical potentials within respective muscles of the subject, each array of electrodes including a plurality of electrodes arranged in a grid. The processing devices are configured to: determine one or more muscle activation patterns, at least partially determine the subject pose and, determine an activity indicator indicative of the physical activity at least partially based on the determined one or more muscle activation patterns and at least partially based on the determined subject pose.

A machine learning device learns a thermal sensation of a subject. The machine learning device includes a first acquisition unit, a second acquisition unit, and a learning unit. The first acquisition unit acquires a first variable including a parameter related to biological information of the subject. The second acquisition unit acquires a second variable including a thermal sensation of the subject. The learning unit learns the first variable and the second variable in association with each other.

Systems, devices, methods, and kits for monitoring one or more physiologic and/or physical signals from a subject are disclosed. A system including patches and corresponding modules for wirelessly monitoring physiologic and/or physical signals is disclosed. A service system for managing the collection of physiologic data from a customer is disclosed. An isolating patch for providing a barrier between a handheld monitoring device with a plurality of contact pads and a subject is disclosed.

The application relates to a chemical monitoring system comprising a skin patch for detecting an analyte in perspiration and a processor adapted to receive parameter data and to return an output indicative of a presence of an analyte in a subject's body based on the parameter data. The skin patch (100) includes a first layer (105) permeable to perspiration; a second layer (110) coupled to the first layer, the second layer being adapted to receive the perspiration; wherein a property of the second layer changes upon receiving the analyte; an electrical detector coupled to the second layer, adapted to detect parameter data indicative of the property of the second layer; and a flexible electronic circuit (140) coupled to the second layer, comprising a readout circuit for reading parameter data from the electronic detector and a transmitter adapted to transmit the parameter data to a processor.

A sweat sensing system comprises a mesh for location over a sweat surface on which sweat is formed or collected, and a vibration system for vibrating the mesh to nebulize sweat droplets. The nebulized sweat droplets are condensed on a sensing surface, and a sweat sensor performs biomarker sensing of the sweat at the sensing surface.

The present invention presents a method of fabrication for a physiological sensor with electronic, electrochemical, and chemical components. The fabrication method comprises steps for manufacturing an apparatus comprising at least one electrochemical sensor, a microcontroller, and a transceiver. The fabrication process includes the steps of substrate fabrication, circuit fabrication, pick and place, reflow soldering, electrode fabrication, membrane fabrication, sealing and curing, layer bonding, and dressing. The physiological sensor is operable to analyze biological fluids such as sweat.

A method includes obtaining monitoring data recorded by first and second devices, the first and second devices being attached to the subject at different first and second sties, respectively. The monitoring data comprises signals associated with at least one physiological parameter of the subject. The method also includes extracting one or more features of the signals recorded by the first and second devices during a transitionary period when the first and second devices simultaneously monitor the at least one physiological parameter of the subject. The method further includes generating at least one correlation parameter by analyzing the extracted features of the signals recorded by the first and second devices for at least a portion of the transitionary period, the at least one correlation parameter when applied to signals recorded by the second device at least partially compensating for relative changes in signals recorded by the first and second devices.

A sweat sensing device includes a flexible body having a first, outwardly facing surface and a second, skin facing surface and a sweat channel formed in the body, the sweat channel having a first end defining a fluid inlet and a second end. A biochemical assay well formed in the sweat channel and an assay material is disposed in the biochemical assay well, the assay material positioned to react with sweat traveling through the sweat channel and to provide one of a visual indicator and an indicator detectable by a camera and connected processor of the flow of the sweat in the sweat channel.