396results about "Diagnostics using pressure" patented technology

An apparatus for treating or preventing a valvular disease, said apparatus comprising : - a ultrasound probe (2) located externally to a heart (H) of patient ( P), able to produce ultrasound waves focused inside said heart and suitable to generate, at a focal spot, a pressure sufficient to result in cavitation, - an imaging device (4) for mapping in real time a treatment region (C) of a cardiac valve of the patient, said treatment region comprising at least one leaflet of the cardiac valve, - a controller (5, 7, 8 ) configured for driving the ultrasound probe to emit a sequence of focused ultrasound waves, the controller being further configured for steering the focused ultrasound waves so as to scan the entire treatment region to soften the tissues of the treatment region. A method for treating or preventing valvular disease, carried out using said apparatus.

A four-dimensional tactile sensing system comprises a housing including a front-facing camera and at least one tactile sensor device positioned on the exterior surface of the housing, comprising an elastomer attached to a support plate a camera positioned proximate to the support plate, and opposite the elastomer, and at least one light source positioned proximate to the support plate and the camera, and opposite the elastomer. A four-dimensional tactile sensing device and tactile morphology method and algorithms are also disclosed.

The present invention relates to un system (10) for electrical stimulation of a subject, comprising: a sensing device (1) configured to detect mechanical and thermal information and to transmit them to a control unit (2), such control unit (2) in which a first algorithm associated to a first neurophysiological model capable of reproducing the behaviour of the subject's mechanoreceptors, a second algorithm associated with a second neurophysiological model capable of reproducing the behaviour of the subject's nociceptors, and a third algorithm associated with a third neurophysiological model capable of reproducing the behaviour of the subject's thermoreceptors are stored; the control unit (2) being configured to determine generation frequencies associated to different types of electrical stimulation waves, which relate to the different pieces of information which can be detected by the sensing device (1), and to transmit them to an electrical stimulator (3); such electrical stimulator (3), configured to generate and send the stimulation waves to an electrical stimulation interface (4) configured to deliver them to a subject.

The invention relates to the technical field of medical apparatus and instruments, in particular to a scar rehabilitation therapeutic apparatus for realizing treatment based on AI evaluation analysis, which comprises a host, an AI evaluation system and a magnetic treatment component, and is characterized in that the host comprises a shell and an electric control system; the AI evaluation system comprises a data acquisition module and a treatment planning module; the data acquisition module is used for acquiring human body scar area information, the treatment planning module identifies data acquired by the data acquisition module, scar information is obtained after the data are identified and processed, and a scar rehabilitation treatment scheme is planned according to the scar information; the electric control system controls the magnetic treatment assembly to perform scar rehabilitation treatment according to the scar rehabilitation treatment scheme; the magnetic treatment assembly comprises a magnetic fixing device, a magnetic driving device and a magnetic patch; the magnetic patch is attached to a human body scar area, and the magnetic driving device executes a scar rehabilitation treatment scheme under the control of the electric control system, so that the magnetic patch rotates and moves.

The invention discloses a spine tactile sensing system and method based on a multi-modal sensor, and the method comprises the steps: obtaining an original tactile signal, carrying out the preprocessing of the original tactile signal, carrying out the feature extraction based on the preprocessed original tactile signal, and obtaining a spatial distribution feature and a time dynamic feature; on the basis of tail end coordinates collected by forward kinematics of the tail end of the mechanical arm, space mapping of the tactile signals and the spine anatomical structure is constructed, and anatomical position features are obtained on the basis of the preprocessed original tactile signals and the space mapping; constructing task-oriented feature vectors based on the spatial distribution features, the anatomical position features and the time dynamic features, wherein the task-oriented feature vectors comprise a sliding state recognition feature vector and a spine ordinal number positioning feature vector; and constructing a multi-stage adaptive evolution hidden Markov model, and realizing spine ordinal number positioning in combination with the task-oriented feature vector. According to the method, through multi-dimensional feature fusion and dynamic model adjustment, anatomical prior knowledge and real-time tactile signals are combined, and spine segments are accurately recognized.

A diagnostic system includes one or more support surfaces, on which a person to be examined can be positioned. To be able to make a diagnosis without specialist staff, electrodes are provided to be arranged on various regions of the support surface, particular on leg regions, on arm regions, on an upper body region and / or on a neck region. These electrodes are at least partly embodied as electrode pairs, wherein each electrode pair has a feed electrode and / or a measurement electrode. The feed electrode is arranged distally relative to the measurement electrode. A device is provided for feeding an electric current between the feed electrodes and the diagnostic system is configured to measure a voltage drop between the measurement electrodes in order to be able to determine impedances of body regions of a person located on the diagnostic system.

The embodiment of the invention provides a diabetic foot screening device, and relates to the field of foot inspection equipment. The diabetic foot screening device comprises a base, two detection plates, two needling assemblies and a driving mechanism, the interior of the base is hollow, the detection plates are symmetrically arranged on the upper surface of the base, a plurality of needle holes are formed in the detection plates, the needling assemblies are symmetrically arranged on the upper surface of the base, a plurality of needle holes are formed in the detection plates, and the needling assemblies are symmetrically arranged on the upper surface of the base. The two needling assemblies are installed in the inner cavity of the base respectively, the two needling assemblies correspond to the two detection plates in position respectively, and the driving mechanism is installed in the inner cavity of the base. During use, acupuncture detection can be sequentially performed on the feet of a user, a patient can clearly perceive the positions of the painful feet without changing the feet, and convenience and rapidness are achieved; meanwhile, step-by-step pressure application is facilitated, and the patient feels time; the pressure acupuncture depth can be visually observed, and acupuncture depth data when the patient perceives the pain sense can be rapidly obtained.

Several methods of automatically measuring blood pressure are disclosed, which may include applying a sphygmometer cuff coupled to a transducer or detector capable of detecting an imaging signal to an extremity of a patient. The detector may include an ultrasonic or photoacoustic means of determining blood pressure. A device for automatically measuring blood pressure utilizing several methods and having a variety of configurations for obtaining blood pressure data from a patient is also disclosed.

A method for monitoring peripheral blood flow of a patient using a wearable device includes monitoring peripheral blood flow of the patient under a first physiologic condition and monitoring peripheral blood flow of the patient under a second physiologic condition different than the first physiologic condition. A dimensionless relative index of the monitored peripheral blood flow of the patient i) under the second physiologic condition based on the monitored peripheral blood flow under the first physiologic condition, or ii) under the first physiologic condition based on the monitored peripheral blood flow under the second physiologic condition is generated. An indication of the dimensionless relative index is output.

Disclosed herein are systems and methods for classifying a tympanic membrane by using a classifier. The classifier is a machine learning algorithm. A method for classifying a tympanic membrane includes steps of: receiving, from an interrogation system, one or more datasets relating to the tympanic membrane; determining a set of parameters from the one or more datasets, wherein at least one parameter of the set of parameters is related to a dynamic property or a static position of the tympanic membrane; and outputting a classification of the tympanic membrane based on a classifier model derived from the set of parameters. The classification comprises one or more of a state, a condition, or a mobility metric of the tympanic membrane.

A wearable ring-shaped penile erection hardness measuring device and a method of measuring penile erection hardness are provided in the present application. The wearable ring-shaped penile erection hardness measuring device is configured to measure a hardness value of a penis to be tested, and includes an elastic ring-shaped body, an electronic component accommodating portion, and a processing unit. The elastic ring-shaped body can be worn on the penis to be tested, and includes a sensing portion, and a non-sensing portion connected to the sensing portion. The sensing portion includes an inner layer, an outer layer, a sensing protrusion, a thin film sensing element, and an accommodating space, and is configured to measure an applying force value from the penis to be tested. The electronic component accommodating portion is connected to the elastic ring-shaped body. The processing unit is used to convert the applying force value into the hardness value.

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.

The invention discloses a bimodal pressure sensor array and device.The bimodal pressure sensor array comprises a piezoelectric actuator, an elastic piezoresistive substrate array and a pressure sensor unit which are arranged from inside to outside, and the pressure sensor unit comprises a piezoelectric film array layer; the pressure measurement is realized based on the piezoelectric response of the piezoelectric film array layer and the vibration of the piezoelectric actuator; based on the piezoelectric response of the piezoelectric film array layer, the vibration of the piezoelectric actuator and the deformation of the elastic piezoresistive substrate array, the direction and angle measurement is realized. Pressure measurement and bending angle measurement can be simultaneously realized on a single device, and the unique dual-function sensing technology has huge application potential in the medical field.

An inflatable medical system having an implantable, inflatable cuff, a fluid reservoir in fluid communication with the cuff, a fluid transfer device having a powered pump adapted for selective moving fluid between the reservoir and the cuff, at least one pressure sensor in operative communication with fluid in the cuff for providing a pressure signal indicative of fluid pressure in the cuff, a controller for receiving the pressure signal from the pressure sensor and controllably actuating the fluid transfer device, and an external actuator in wireless communication with the controller, the external actuator adapted for wirelessly providing a urination signal to the controller, such that upon receipt of the urination signal, the controller causes fluid to be moved from the cuff to the reservoir.

The invention discloses a pulse detection device and an automatic pulse taking method, and relates to the technical field of medical instruments.The pulse detection device comprises a pulse detection body used for being worn on the hand and further comprises a first fingerstall, a second fingerstall and a third fingerstall which are worn on the index finger, the middle finger and the ring finger of a doctor respectively, and the first fingerstall, the second fingerstall and the third fingerstall are connected; piezoresistive pressure sensors are arranged at finger pulps of the first fingerstall, the second fingerstall and the third fingerstall respectively, the pulse detection body further comprises a signal conditioning circuit arranged at the position of the hand back, the piezoresistive pressure sensors are electrically connected with the signal conditioning circuit, and the signal conditioning circuit is used for detecting a first state when the first state is detected. And the processor is used for converting from the standby mode to the working mode, receiving a signal of the piezoresistive pressure sensor, processing the signal and sending the processed signal to the upper computer, and is also used for converting from the working mode to the standby mode when a second state is detected. The pulse condition data and the floating, middle and sinking pressure can be automatically collected when a doctor takes the pulse, the doctor does not need to control, the complete information such as the pulse diagnosis state, the floating, middle and sinking pressure and the cun-guan-chi pulse condition can be detected, and fusion of manual pulse taking and sensor pulse taking is achieved.

The invention relates to a flexible sensor, a muscle tension detection device and a detection method thereof. The flexible sensor comprises a sensor main body, a force sensitive layer and a probe, wherein the sensor main body is prepared from a soft material; the lower end of the probe is used for abutting against a target muscle part, and the upper end abuts against the lower end of the middle of the sensor body. The edge of the sensor main body is used for being fixed on the skin beside a target muscle part so as to enable the probe to be tightly propped against the target muscle part; the force-sensitive layer is arranged at the upper end of the middle of the sensor body. The probe goes deep into the skin and is close to the target muscle position, when the target muscle tension of the measuring part changes, the probe position, namely the probe probing depth, changes, the deformation of the upper force sensitive layer changes, the deformation of the force sensitive layer can be output, the strain of the force sensitive layer can be obtained through calculation, and then the modulus of the muscle is calculated. The real-time data of the muscle tension is obtained, and the accuracy of muscle tension detection is improved by shortening a force conduction path and enhancing the signal capturing efficiency.

A system includes a first device having a handle, a head coupled to the handle, a bumper supported by a first end of the head and adapted to be used to strike a patient tendon, a force sensor coupled to the bumper and adapted to generate force data in response to force encountered by the bumper and to generate force data, a first accelerometer coupled to generate head acceleration data in response to movement of the head, and first circuitry to capture the force data and acceleration data. The system may further include second device having a housing adapted to be coupled to the patient limb, a second accelerometer supported by the housing to generate limb acceleration data, and second circuitry to capture the acceleration data.

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.

A portable customizable smart orthotic for wound care, trauma and critical care. The cranial orthotic includes an exterior shell, with or without an accompanying bladder providing additional cushion to the wound environment. The cranial orthotic is adapted to sense pressures and biometrics associated with the wound environment and as well as heat or cool portions of the wound environment. A communications module accompanies the smart cranial orthotic.

The present invention relates to a device for skin parameter measurement, comprising a housing structure (112) defining an interior cavity (120) and a first opening (122) at a skin contact end (124) of the interior cavity (120), a movable part (113, 117) connected to the housing structure (112) via an elastic connecting arrangement (126), the movable part (113, 117) being movable with respect to the housing structure (112) and configured to protrude the skin contact end (124) through the first opening (122) of the housing structure when no external force is applied to move the movable part (113, 117) with respect to the housing structure, the movable part (113, 117) further comprising a second opening (116), an optical sensing unit (118) for performing measurement of a first skin parameter when the device is in contact with a skin surface, the optical sensing unit being provided within the interior cavity of the housing structure and comprising an illuminating unit (118A) for illuminating the skin surface by emitting light through the second opening (116) of the movable part and an imaging unit (118B) for receiving light reflected by the illuminated skin surface, and an electrical sensing unit (136) for measuring a second skin parameter, wherein the electrical sensing unit (136) is arranged at a front end section of the movable part (113, 117) defining the second opening (116).

The invention relates to a device for measuring the vascular endothelium parameters and a method for processing the measurement signal, in order to determine the index of reactive hyperaemia as a result of vascular endothelial function. The device is characterised in that the air pump (PM) is connected by a pneumatic distributor (MP) to a exhaust valve (ZS) and by the first valve (Z1) to the first pressure cuff (M1), by the second valve (Z2) to the second pressure cuff (M2), by the third valve (Z3) to the third occlusion cuff (M3), and by the tank valve (ZZ) to an air tank (ZP), wherein the pneumatic distributor (MP) is provided with the third pressure sensor (CZ3), and the first differential pressure sensor (CZ1) is located between the air tank (ZP) and the first pressure cuff (M1 ), and the second differential pressure sensor (CZ2) is located between the air tank (ZP) and the second pressure cuff (M2), additionally the air pump (PM), the first differential pressure sensor (CZ1 ), the second differential pressure sensor (CZ2), and the third pressure sensor (CZ3), as well as the first, second, and third, exhaust valve, and tank valve (Z1, Z2, Z3, ZS, ZZ) are connected to the controller (K). The application relates also to a method for processing the measurement signal.

The disclosure relates to, in part, a method of diagnosing whether a patient is afflicted with attention-deficit / hyperactivity disorder (ADHD) and / or selecting ADHD treatment for a patient afflicted with ADHD and / or monitoring response of ADHD symptoms in patient to an ADHD treatment.

The present invention discloses a portable auxiliary diagnostic instrument for urticaria, comprising a main unit and a handle control component, wherein the main unit is electrically connected to the handle control component, wherein the handle control component comprises a shell, a temperature inducing device, a scratch inducing device and a pressure inducing device, wherein the temperature inducing device is located on both sides of the interior of the shell, the scratch inducing device is located on both sides of the exterior of the shell, and the pressure inducing device is located on the inner side of the temperature inducing device. The present invention has the advantages of simple structure and high integration, and is provided with a scratch inducing device to accurately diagnose artificial urticaria, a temperature inducing device to accurately diagnose cold and hot urticaria, and a temperature inducing device to accurately diagnose delayed and pressure urticaria, and is convenient for standardized diagnosis of inducible urticaria, and quantitatively integrates pressure, temperature, scratch and other inducing detection into one, and is easy to use and popularize.

A method of measuring tissue characteristics using a fluid line in fluid communication with subcutaneous tissue includes: applying a pressure distribution or a flow distribution to subcutaneous tissue via the fluid line, wherein the fluid line is isolated from atmospheric pressure; in response to the applied pressure distribution or the applied flow distribution, measuring a pressure value or a flow rate value over time; and calculating, using the at least one processor, at least one of: a time constant of pressure decay; fluid resistance of the tissue; permeability of tissues; mechanical compliance of the tissue; osmotic pressure of tissue interstitial fluid; capillary pressure in subcutaneous tissue; and the ionic strength of the interstitial fluid.

The invention discloses a soft tissue assessment method and device implemented based on a massage robot. The method comprises the steps that the massage robot is controlled to conduct finger pressure testing and finger kneading testing on different soft tissues in a target area; obtaining the massage strength and height of the massage fingers in the test process, and forming a strength-height curve, a strength-time curve and a height-time curve; respectively extracting curve characteristic values according to the two curves; comprise wave crest and wave trough difference values, waveforms, tangent slopes, secant slopes, frequency distribution and the like; directly carrying out hardness calculation by utilizing a formula or inputting original data into a hardness detection model constructed based on machine learning by utilizing the curve characteristic values extracted by the method, calculating hardness values of corresponding soft tissues according to the detection data, and classifying the hardness values; and integrating the classification result and the hardness value corresponding to the target area to form a soft tissue health assessment report.

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.

The invention relates to a real-time intelligent pressure monitoring scar diagnosis and treatment device and system. The device comprises a pressure generation device, a rigid structure matched with the pressure generation device in shape and a flexible touch sensor located in the rigid structure. The inner layer of the flexible touch sensor is provided with a flexible conductive contact array, and the outer layer of the flexible touch sensor is provided with a flexible integrated electrode array. According to the device, the local pressure borne by the pathological scar is accurately measured at the micro-nano scale, adjustment can be carried out in real time according to the stress condition, treatment of the pathological scar is facilitated, pressure research on the pathological scar is also facilitated, the pathogenesis of the pathological scar is clarified, and the device has good application prospects.

The present invention relates to a device for measuring skin parameters, comprising: a shell structure defining an inner cavity and a first opening at the skin contact end of the inner cavity; a movable component movable relative to the shell structure and configured to protrude the skin contact end through the first opening of the shell structure when no external force is applied to move the movable component relative to the shell structure, the movable component also including a second opening; an optical sensing unit for performing a first skin parameter measurement when the device is in contact with the skin surface, the optical sensing unit being arranged in the inner cavity of the shell structure and including a lighting unit and an imaging unit, the lighting unit being used to illuminate the skin surface by emitting light through the second opening of the movable component, the imaging unit being used to receive light reflected by the illuminated skin surface; and an electrical sensing unit for measuring a second skin parameter, wherein the electrical sensing unit is arranged at a front end portion of the movable component defining the second opening.

The present invention relates to a system and method for monitoring blood pressure with a powered linear actuator. A tissue property sensing system includes a sensing assembly that is movable along a drive screw and includes an outer shaft, an anvil, a central driver, a piston, and a tension spring. The piston includes a distal arm having a distal portion and a head extending from the distal portion. The piston is movable within the outer shaft to move the head relative to the anvil between an open configuration and a closed configuration, wherein in the closed configuration, the head of the piston and the anvil are positioned to clamp tissue and block blood flow in the tissue. The tension spring is coupled to the central driver and the piston to urge the piston toward the central driver and the head of the piston toward the anvil.