225results about "Diagnostics using vibrations" patented technology

A system, method, and appliance provide sleep-related disorder data collection, assessment, and visual representation. The appliance may be configured to be worn during a sleep cycle of an individual and may include or be operatively connected to various sensors that collect physiological data of the individual during the sleep cycle. Aspects of the system are configured to correlate data obtained from various sensors / data sources during an individual's sleep cycle, determine relevant events associated with sleep-related disorders based on the obtained data, provide summaries and information about the determined relevant events, and generate and provide dynamic visualizations of the individual's anatomy corresponding to the determined relevant events. A dynamic visualization may include a 3D model of the individual's airway and mandibular anatomy that, when played back, morphs to represent dynamics of the individual's anatomy during the relevant event.

The invention relates to the technical field of cognitive data processing, in particular to a physical stimulation driven lymphatic circulation and cognitive improvement method and system. The system comprises a physical stimulation frequency influence evaluation module, a stimulation mechanical vibration analysis module, a lymph circulation vibration calibration module and a stimulation frequency drive adjustment module. A pressure sensor and a temperature sensor can be used for monitoring corresponding physical stimulation pressure and stimulation skin surface temperature in real time and performing stimulation frequency influence evaluation and stimulation mechanical vibration analysis so as to generate a physical stimulation mechanical vibration effect; and acquiring a lymph circulation velocity and an electroencephalogram neural activity signal, performing neurocognitive level analysis and vibration response calibration, and performing lymphatic circulation cognitive regression analysis and stimulation frequency driving adjustment at the same time, so as to generate a physical stimulation frequency driving adjustment scheme corresponding to lymphatic circulation cognitive improvement. According to the method, the incidence relation among physical stimulation, lymphatic circulation and cognitive promotion can be accurately analyzed.

The technology relates to acoustic reflectometry systems and methods. An example system includes an acoustic sensor that includes a generator that emits acoustic pulses; and a sensor that detects the emitted acoustic pulses and reflections thereof. The system further includes a monitor, in communication with the acoustic sensor. The monitor performs operations including: receive patient data for a current patient receiving ventilation; provide the patient data as input to a trained clinical model; receive, as output from the trained clinical model, a clinically relevant threshold for an acoustically measurable parameter; process the detected incident and reflected waves to determine a value of the acoustically measurable parameter; compare the value of the acoustically measurable parameter to the clinically relevant threshold; and based on the comparison, generate a notification.

A method includes adjusting electrical energy of an extracorporeal shockwave generator, which delivers an entrance shockwave to a body that includes a target, in response to calculated or measured energy density at the target to deliver desired energy density to the target along a path. The calculated energy density at the target, called calculated target energy density, is derived from a calculated shockwave attenuation along the path to the target; and the measured target energy density is obtained by a sensor placed at the target or at a defined distance from the target.

Methods and devices for magnetic resonance imaging (MRI) and, more particularly, to a method and apparatus that is able to apply a mechanical load to the human knee in vivo within an MRI environment, and when combined with inverse constitutive modeling, enables the measurement of cartilage structure and mechanical function.

Techniques are disclosed for preparing an MR elastography of a liver, which includes creating a photographic recording of an examination object, determining a position of the liver on the basis of the photographic recording, providing an information item regarding a target position of an oscillation generator on the basis of the position of the liver, arranging the oscillation generator on the examination object dependent upon the information regarding the target position, introducing the examination object with the oscillation generator into a patient receiving region of a magnetic resonance device, capturing overview MR image data from the examination object, and selecting an examination region for transverse slices covering at least one subregion of the liver for a recording of MRE image data on the basis of the overview MR image data.

Disclosed is a device, system and method for detecting and monitoring abnormalities in soft tissue based on acoustic signals transmitted through the soft tissue. The device includes a pressure sensor configured to sense pressure applied to a location of soft tissue by the device; and an acoustic generator configured to generate and emit an acoustic signal comprising a range of frequency components into the location of soft tissue when the pressure sensed by the pressure sensor exceeds a threshold pressure, an acoustic sensor configured to detect an acoustic signal produced from the interaction of the emitted acoustic signal with the soft tissue and to convert the detected signal to an audio data signal; and a transceiver configured to transmit the audio data signal to an external computing device. The system comprises the device and the external computing device. The external computing device is configured to receive the audio data signal from the device; and determine, using a machine learning model trained on a sample dataset of labelled audio data signals, a classification for the received audio data signal based on its frequency content indicating whether or not the respective location of soft tissue exhibits an abnormality.

A system for characterizing tissue includes a probe that delivers a continuous and periodic mechanical vibration to a tissue of a subject; an ultrasound emitter that emits a sequence of ultrasound shots and an ultrasound receiver that receives corresponding echo signals to track how the tissue is moved by the periodic mechanical vibration delivered to the tissue; and a control module programmed to provide homogeneity information to an operator of the system, the homogeneity information being determined from at least some of the echo signals and being representative of the ability of the tissue to transmit elastic waves and of the homogeneity of the tissue with respect to the propagation of elastic waves.

A penis measurement system and method, wherein the system includes a user device and a penis measurement device. An external soft casing encases a main shell of the penis measurement device. When at least one strap of the external soft casing is strapped on a penis, the external soft casing fixes the main shell to be on top of the penis, allowing a detection airbag protruding from the main shell to press down onto the penis with a down-pressing pressure. The detection airbag deforms and presses onto a sensor chip in the main shell. A processing unit receives a pressure sensor signal from the sensor chip and a gyroscope signal from a gyroscope in the main shell, and accordingly outputs a hardness value and a gyroscope value to a user device through a communication unit. The system quantifies a hardness of the penis.

An apparatus for measuring reflected ultrasonic and optical signals may include: a light source; an optical assembly including at least one lens configured to focus reflected optical illumination from the target onto the detector; and an ultrasonic transducer aligned to transmit and receive ultrasonic radiation coaxially with the reflected optical illumination, and wherein the ultrasonic transducer at least partially blocks a path of the reflected optical illumination. The obstacle may be away from the focus of the optical component. Devices for measuring reflected ultrasonic and optical signals may be particularly useful for characterizing fluids behind the ear tympanic membrane to diagnose otitis media.

An oscillometry device comprises a casing. A user portion forms a conduit entering into the casing, the conduit adapted to receive a breath of a user and, an oscillometry measurement system operatively connected to the conduit in the casing and adapted to produce oscillometry measurement signals from the breath of the user. A user support interface projects from the casing in a common direction with the user portion, the user support interface vertically supporting the oscillometry device relative to a user when the user has his or her mouth on the user portion, the user support interface being made of a flexible deformable material.

The measuring probe of the present invention includes: a probe; a fulcrum accessory that supports the probe; an actuator that vibrates the probe; and a force sensor that outputs a voltage value corresponding to a reaction force acting on the actuator when the distal end of the probe is brought into contact with the auditory ossicles. The actuator applies vibration of a constant amplitude centered on a fulcrum near the center of gravity of the probe. The force sensor includes a piezoelectric sensor and a charge amplifier. The piezoelectric sensor converts the reaction force of the force applied by the actuator from the probe to the auditory ossicles into a charge signal. The charge amplifier converts the charge signal into a voltage and outputs the voltage. The measuring probe includes a rigidity / inertial force applying mechanism that applies to the measuring probe rigidity capable of maintaining a constant relative position between the fulcrum and the actuator and an inertial force capable of overcoming the vibration of the actuator.

A processor of an ear-worn device such as an earbud may receive acceleration data from an accelerometer of the earbud. The processor may determine a position of a body wearing the earbud based on the acceleration data. The processor may determine a pathology of the body. The processor may generate, based on the position of the body and the pathology, a therapy recommendation. The processor may output an indication of the therapy recommendation via the earbud or one or more other devices.

System for attaching transducers to the head of a user for performing audiometry in air stimulation and in vibratory stimulation. It comprises support means (1, 10, 20, 24) for two audiometric transducers (21) in air stimulation, each positionable at one of the auditory auricles or the external auditory canal, and at least one audiometric transducer (3, 13, 23) in vibratory stimulation, positionable at the desired stimulation zone depending on the chosen conduction mode (for example, one of the mastoids of the skull, forehead, soft tissues). Method for calibrating the transducers in vibratory stimulation fixed on a fixing system such as above. Figure for the abstract: Fig. 6

An ear-worn device may include an accelerometer and / or an electroencephalography (EEG) sensor to provide recommendations based on user activity and / or physiological responses. The ear-worn device may use the accelerometer to capture acceleration data to assess the wearer's movement rate, and detect changes. Using data from the EEG sensor, the processor may detect eyelid blinks and other signals of fatigue. The processor may generate a treatment recommendation based on any combination of the movement rate, changes, eyelid blinks, and / or signals of fatigue.

Conventional proprioceptive studies use commercial vibrators. Such vibrators have major drawbacks as their amplitude and frequency adjustments are limited or outside the range of frequency that stimulates the specific human biological sensors making them non-specific to each individual or muscle. At times, they are also expensive and not wearable. The presently disclosed subject matter relates to system and method for custom-developed vibrational systems having various adjustable and flexible parameters such as amplitude, frequency, delay time, and other user requirement functions that can work simultaneously and can be applied to different individuals and to different muscle spots. The presently disclosed system and method are robust, compact, wearable, economical, and easy to operate.

Systems and methods are described for performing diagnostic procedures, such as vibrometric diagnostic procedures. An example system includes a handheld vibrometric device, a handheld controller, and a control and processing console. The handheld controller includes an input receiving mechanism for controlling the handheld vibrometric device and / or controlling a user interface generated by the console. The handheld controller is configured such that when the handheld vibrometric diagnostic device is supported by a first hand of an operator and the handheld controller is supported by a second hand of the operator, the input receiving mechanism is capable of being actuated by a digit of the second hand while maintaining support of the handheld controller by the second hand, in the absence of contact with the control and processing console and the handheld vibrometric diagnostic device, thereby facilitating control of the handheld vibrometric diagnostic device without mechanically perturbing the handheld vibrometric diagnostic device.

An optical measurement system in a subject, comprising an acoustic transducer, a laser that emits light within an infrared (IR), visible or ultraviolet wavelength range, an optical filter, a photodetector and an optical reflector.

Provided herein are system, devices, and methods for a pelvic floor rehabilitation device. The rehabilitation device includes a handle for holding and manipulating the pelvic floor rehabilitation device, a controller to receive instructions and to control operation of the pelvic floor rehabilitation device, a shaft extending from the handle, wherein at least part of the shaft dilates based on input from the controller, at least one sensor for collecting data during operation of the pelvic floor rehabilitation device, and at least one system from the group of an electromyography system, an ultrasound system, a camera, and a vibration system.

Systems, devices, and methods for performing mobile device-based oscillometric blood pressure measurements are disclosed. In some embodiments, the mobile device includes a vibration motor, an inertial motion unit (IMU), a camera, a processor, and a non-transitory computer-readable memory, and the processor is configured to at least: vibrate the vibration motor; acquire, via the inertial measurement unit of the mobile device, IMU data indicative of vibration damping caused by a user's body part applying a force to the camera; determine the applied force based on a force model and the IMU data; capture, via the camera of the mobile device, photoplethysmography (PPG) data of blood vessels in the body part simultaneously with the application of the force; and determine the user's blood pressure using oscillometric techniques based on the PPG data and the applied force.

The present invention discloses a method for measuring the masking level of a wide-spectrum, short-duration signal used in a bone-conduction auditory evoked potential (BAP) test. The method comprises: measuring the stimulation force level of a subject's bone vibrator; placing the BAP vibrator of the evoked potential instrument at the mastoid process on one side of the subject, outputting a short-duration signal at a set intensity as a stimulus; and simultaneously applying white noise of varying intensities to both sides of the subject; and calculating, based on the stimulation force level and the subject's response, the contralateral noise masking level sufficient to mask the BAP signal. This invention, for the first time, derives the contralateral masking level of a BAP wide-spectrum, short-duration signal, providing a reference value for the practical application of BAP.

The multimodal wearable band uses mechanical vibrations to stimulate sensory neurons in the wrist or ankle, reducing the severity of tremors, rigidity, involuntary muscle contractions, and bradykinesia caused by neurological movement disorders, and relieving the user of movement disorder-induced freezing. The device uses sensors to determine the user's stimulation pattern and provides an output that is used by a processing unit to determine when stimulation is needed, and then uses one or more mechanical transducers to correspondingly stimulate the user's neural pathways, reducing the severity of the user's symptoms. The device can also be adapted to integrate with third-party devices.

An audiometry test method comprising the following steps:Simultaneous application of a test sound to an ear (210) with a test intensity, and of a masking sound, with a masking intensity, to a contralateral ear (220) to mask the test sound,the process being characterized in that it comprises the following steps:Repeat the following steps:Determining a current Rinne,Determining that the current Rinne is compatible, if there is a current intensity, such that if the masking intensity is equal to the current intensity and the Rinne of the (210) or contralateral (220) ear is equal to the current Rinne, then the test sound is not perceived by the contralateral ear (220) and the masking sound does not prevent the perception of the test sound by the ear (210),Determining masking intensity from maximum compatible current Rinne.

The present invention relates generally to a system and method for measuring the structural characteristics of an object. The object is subjected to an energy application processes and provides an objective, quantitative measurement of structural characteristics of an object. The system may include a device, for example, a percussion instrument, capable of being reproducibly placed against the object undergoing such measurement for reproducible positioning. The system does not include an external on / off switch or any remote on / off switching mechanism. The system also includes a disposable feature or assembly for minimizing cross-contamination between tests. The structural characteristics as defined herein may include vibration damping capacities, acoustic damping capacities, structural integrity or structural stability.

According to the vibration sense testing device and method, a tested finger is stably supported through a testing support, the stability and accuracy in the measuring process are ensured, a physiological characteristic testing module can collect physiological parameter changes of a subject in the detecting process in real time, a vibration starting device can generate vibration stimulus of different intensities and frequencies, and the testing accuracy is improved. The test requirements of different vibration sensing thresholds are met, the reaction collection button can accurately capture reaction signals of a subject, the real-time performance and accuracy of a measurement result are ensured, the host control operation module allows setting of personalized measurement parameters so as to adapt to the requirements of different subjects, and the test efficiency is improved. By collecting and analyzing physiological parameters and reaction signals of a subject, the vibration intensity which can be sensed by finger parts of the subject can be comprehensively evaluated, powerful support is provided for personalized health monitoring and early discovery of peripheral neuropathy, the whole testing process is automatically controlled by a control host, the complexity of manual operation is reduced, and the testing efficiency is improved. And the test efficiency is improved.

Two or more microphone arrays in an ear-worn device such as an earbud may detect a sound generated by a source body. A processor of the earbud may generate, based on the sound, a noise cancellation data package including an anti-phase sound. The processor may transmit the noise cancellation data package to a second earbud to cancel the sound for another body.

A determination method for a psychiatric disorder includes: acquiring a first reference value, a second reference value, a first comparison value, and a second comparison value, the first reference value being a heart rate variability index of a healthy person under a first sound stimulus environment, the second reference value being a heart rate variability index of the healthy person under a second sound stimulus environment different from the first sound stimulus environment, the first comparison value being a heart rate variability index of a user under the first sound stimulus environment, the second comparison value being a heart rate variability index of the user under the second sound stimulus environment; and executing comparison processing among the first reference value, the second reference value, the first comparison value, and the second comparison value to determine a possibility that the user has a psychiatric disorder.

The present invention discloses a method and an apparatus for acquiring motion information. A frequency domain transformation is performed on a detection signal of a vibration propagating in a medium to obtain a frequency domain signal, then a signal that is outside of a defined vibration velocity range is removed from the frequency domain signal, that is, only a vibration signal is retained, and then a position-time diagram is obtained along a defined vibration propagation direction. It is not necessary to perform motion estimation on propagation of the vibration by a complicated calculation, and it is only necessary to determine the presence or absence of the vibration by processing in the frequency domain, and then the position-time diagram is obtained, which is a highly efficient method for acquiring motion information.