Systems, methods, and devices include a platform with a transparent material which defines a first measurement surface. Light surfaces are positioned to provide light into the transparent material and cause a Frustrated Total Internal Reflection (FTIR) event responsive to contact at the first measurement surface. The system also includes one or more wearable devices having a base material operable to cover a portion of a human body. An inner surface of the base material defines a second measurement surface. Furthermore, one or more sensors disposed on the base material are operable to collect data at the second measurement surface. Additionally, the health parameter monitoring system presents at the display, such as a virtual reality (VR) headset, locomotion regimen information. The system collects first health parameter data from the first measurement surface based on the FTIR event; and/or second health parameter data from the second measurement surface.

Systems, methods, and devices include a health parameter detection device. The device includes a platform with a measurement surface being a first surface. The measurement surface is operable to contact a target area of a user. The device includes one or more light sources disposed adjacent to the transparent material and operable to transmit light into the transparent material. Also, the device includes an interior mirror forming a first angle with the measurement surface; and/or a camera, such that the camera is operable to receive a scattered light caused by a frustrated total internal of reflection (FTIR) event occurring at the measurement surface and reflecting from the mirror. The platform can form part of at least one of a treadmill machine, an elliptical machine, a rowing machine, a stair stepping machine, or a leg press machine.

Systems, methods, and devices include a neurological function assessment system involving a first assessment tool (e.g., hammer) with one or more first sensors. The system includes a second assessment tool being a wearable device operable to wrap around a body part of a subject. One or more second sensors are disposed on the wearable device operable to sense a target area at the body part. The system collects first sensor data, from the first assessment tool, corresponding to an assessment event at the first assessment tool; and collects second sensor data, from the second assessment tool, corresponding to the assessment event. Additionally, the system presents, at a display, an indication of an objective neurological assessment parameter value calculated based on the first sensor data and the second sensor data. An objective neurological assessment parameter value can be calculated based on the first sensor data and/or the second sensor data.

Systems, methods, and devices include a frustrated total internal refraction (FTIR) based scanning device. The FTIR based scanning device has a transparent media and one or more electromagnetic wave emitters operable to provide a scanning light into the transparent media during a sample scanning procedure. One or more electromagnetic wave sensors, cameras, and/or microscopes are directed at a detection surface of the transparent media. These detection component(s) receive scattered light passing from the sample contact surface through the detection surface. The device uses the scattered light to represent a surface topology or a material composition of a sample contacting the sample contact surface during the sample scanning procedure. Additionally, the one or more electromagnetic wave emitters can include a plurality of LEDs or electromagnetic wave emitters corresponding to a plurality of different wavelengths which are used to generate an image of a 3D topology from the scattered light.

Systems, methods, and devices include one or more acoustics-controlling device(s). The acoustics-controlling device(s) comprise implants, fixations, patches, and/or coatings formed of a metamaterial to create a particular behavior when exposed to sound waves. An acoustic metamaterial manipulates the acoustic waves that reach it. The metamaterial has a non-uniform material distribution, a non-uniform geometry, and/or a non-uniform material property, such as a non-uniform density, a non-uniform modulus of elasticity, a non-uniform bulk modulus, combinations thereof, and so forth. The system(s) include acoustic controlling patches and implants which control a path of an acoustic signal generated by one or more speakers. An acoustic-controlling patch can include an acoustic Fresnel lens or an acoustic Luneburg lens formed onto a substrate. Furthermore, manipulating the acoustic signal includes focusing the acoustic signal, forming an acoustic vortex from the acoustic signal, steering the acoustic signal, guiding the acoustic signal, or bending the acoustic signal.

Systems, methods, and devices include a wearable device to stimulate or analyze biological systems or implantable objects. The system includes a substrate material and a plurality of acoustic actuators disposed on the substrate material. The plurality of acoustic actuators are operable to generate an acoustic stimulation signal directed to a target area. The system also includes a plurality of acoustic sensors disposed on the substrate material and operable to receive an acoustic response signal from the target area. Furthermore, a plurality of electrical electrodes disposed on the substrate material are operable to generate an electrical stimulation signal directed to the target area and receive an electrical response from the target area. The substrate material forms a sleeve or a cuff, a glove, a head cap, a back harness, a waist binder, a torso binder, and/or an abdominal binder.

The invention relates to a device (100) and a corresponding method for thermoacoustic sensing, in particular thermoacoustic imaging, the device (100) comprising: a) an irradiation unit (10) configured to generate electromagnetic and/or particle energy exhibiting a first modulation, the first modulation comprising at least one frequency and to continuously emit the energy towards a target (1), whereby acoustic waves are continuously generated in the target, the acoustic waves exhibiting a second modulation, the second modulation comprising the at least one frequency and/or a harmonic frequency of the at least one frequency; b) a detection unit (20) configured to simultaneously detect the acoustic waves exhibiting the second modulation while the energy exhibiting the first modulation is being continuously emitted towards the target (1); and c) a processing unit (30) configured to determine at least one thermoacoustic value of an amplitude and/or a phase of the second modulation of the acoustic waves at the at least one frequency and/or at a harmonic frequency of the at least one frequency. The invention allows for fast and economic thermoacoustic sensing, in particular imaging of a region of interest of an object.

Spatial light response around a fingertip or toe of a subject in response to electrical stimulation can be associated to a specified remote particular body anatomy, location, component, or system such as for providing a particularized physiological status indicator or other particularized response indication that is particular to the specified particular body anatomy, location, component, or system.

A method for correcting fat-induced aberrations in ultrasound imaging comprises segmenting a thermoacoustic absorption image of a region of interest into at least one fat region and at least one non-fat region, creating a speed of sound map by assigning a speed of sound to each region based on tissue type of the region, correcting aberrations in the segmented thermoacoustic absorption image using the assigned speeds of sound thereby generating a corrected thermoacoustic image, and correcting an ultrasound image of the region of interest using the corrected thermoacoustic image and the speed of sound map.

An apparatus for determining a shape of a luminal sample including: a catheter including a lens, the catheter disposed within a strain-sensing sheath such that the lens rotates and translates; a structural imaging system optically coupled to the catheter; a strain-sensing system optically coupled to the catheter; and a controller coupled to the strain-sensing system and the structural imaging system. The controller determines: a first position of the catheter relative to the luminal sample at a first location within the strain-sensing sheath; a second position of the catheter relative to the luminal sample at a second location within the strain-sensing sheath; a first strain of the strain-sensing sheath at the first location; a second strain of the strain-sensing sheath at the second location; a local curvature of the luminal sample relative to the catheter; a local curvature of the catheter; and a local curvature of the luminal sample.