A monitoring and/or therapy apparatus can include a contact layer having a stretchable or substantially stretchable substrate, at least one strain sensor coupled with the contact layer, and electronic circuitry electronically coupled with the at least one strain sensor configured to determine an amount of an elongation of the at least one strain sensor based on a change in a resistance or capacitance of the at least one strain sensor. The at least one strain sensor can include a plurality of stretchable tracks positioned on the substrate, and can be configured such that the resistance of the at least one strain sensor increases as the contact layer is elongated and/ or curved. In some arrangements, the apparatus and/or the substrate can be attached to or adjacent to a user’s joint, and/or a wound, and can be configured to have reduced pressure applied to the space under the contact layer..

Disclosed is a system and method for performing measurements on a biological subject, and in one particular example, to performing measurements of analytes in a biological subject by breaching a functional barrier of the subject using microstructures, wherein the one or more microstructures include an aptamer for binding one or more analytes.

Conformable and wearable sensors with integrated on-chip gate for the detection of biomolecules, chemicals, and other substrates and applications thereof are provided. Biosensor chips can be built with In2O3 nanoribbon field-effect transistors. Biosensor chips can conform to features of a human body, enabling ability for individuals to wear a biosensor.

A dry electrode for biometric measurement on a skin and a method for manufacturing are disclosed. The dry electrode has a substrate forming the scaffold of the dry electrode. The substrate has metal or semiconductor material; an electrically conductive film on a first surface of the substrate; and an attaching element for attaching the dry electrode. The electrically conductive film is directly deposited on the first surface of the substrate. The electrically conductive film is a graphene film.

Systems, devices, and methods are provided for a non-rigid wearable device comprising electrical circuitry and a support structure supporting the electrical circuitry. The support structure having rigid sections that rigidly support components of the electrical circuitry to protect components and/or solder joints from stress due to deflection and having non-rigid or flexible sections where there are no solder connections present on the electrical circuitry and/or where there are interconnecting traces present on the electrical circuitry that can tolerate stress due to deflection.

A wireless intraluminal device (102) and an associated system for treating and diagnosing patients are provided. In one embodiment, the wireless intraluminal device (102) includes a flexible elongate member (158) including a proximal portion (106) and a distal portion (108); a sensor assembly (116) coupled to the distal portion of the flexible elongate member; a cable (117) coupled to the sensor assembly and extending along the flexible elongate member; and a wireless transceiver (252) positioned within the flexible elongate member, wherein the wireless transceiver is in communication with the sensor assembly via the cable. A wireless communication component (104) wirelessly transmits a sensor measurement collected by the sensor assembly to a sensor measurement processing system (132) via a wireless link (150) for physiological data generation at the sensor measurement processing system.

An optical physiological sensor configured to be secured to a user's nose includes a first prong configured to be positioned proximate an outside portion of the nose, a second prong configured to be positioned proximate an inside portion of the user's nose, a winged portion coupled to the first prong and configured to contact tissue of the user, one or more emitters configured to emit light of one or more wavelengths into the tissue, and one or more detectors configured to detect at least a portion of the light emitted from the one or more emitters after attenuation through at least a portion of the tissue. In some configurations, the winged portion comprises a width that is greater than a width of the second prong. In some configurations, at least a portion of the winged portion is curved toward the second prong.

Poroelastic materials, methods of making such materials, biosensors comprising such materials, and methods of making and using such biosensors. According to one aspect, a poroelastic material is formed by a process that includes depositing a prepolymer composition on a substrate, annealing the prepolymer composition in a pressurized steam environment at a temperature and for a duration sufficient to form a porous medium having a solid matrix formed of a polymer derived from the prepolymer composition, infiltrating the porous medium with a liquid that includes electrically conductive nanomaterials such that the electrically conductive nanomaterials are located within pores of the porous medium, and evaporating the liquid such that the electrically conductive nanomaterials remain in and/or connected through the pores of the porous medium.

Described herein are functionalized garments that can be worn on the torso of a subject and can be configured with varying zones or areas of compressions and can provide increased signal-to-noise ratios and reduced motion artifacts in areas while allowing a substantially unimpeded freedom of motion.

A system for measuring an angle of a joint of a user includes a center hub, a first arm, a second arm, a magnet, and a sensor. The center hub includes a first hub and a second hub. The first arm is configured for attachment to a first limb portion of the user at a first outer end and to the first hub at a first inner end. The second arm is configured for attachment to a second limb portion of the user at a second outer end and to the second hub at a second inner end, wherein the first hub is pivotally coupled to the second hub. The magnet is coupled to the second hub. The sensor is disposed in the center hub and configured to detect a rotation of the magnet.