51 results about "Electronic stethoscope" patented technology

The present description relates generally to methods and systems for power management of a digital (e.g., electronic) stethoscope. In one example, an electronic stethoscope includes a chestpiece configured to be positioned on a patient, the chestpiece including a sensor, wherein the chestpiece further includes a computer processing unit (CPU) operatively coupled to a memory storing instructions that, when executed by the CPU, cause the CPU to automatically activate the electronic stethoscope in response to detecting a touch input via the sensor.

The invention provides a breath sound signal processing and evaluating method and system. The method comprises the following steps: firstly, collecting breath sound signals of a plurality of preset parts of the chest of a user through an electronic stethoscope, and collecting clinical symptom data through a user interface; a first feature set and a second feature set are then extracted from the breath sound signal, where the first feature set is extracted from six sites for preliminary analysis and the second feature set is extracted from four sites for in-depth analysis. And performing analysis based on the first feature set and the first machine learning model, and outputting a first indication value. Decision is made in combination with clinical symptom indication values, and deep analysis is started when any indication value reaches a threshold value. The deep analysis outputs a second indication value based on a second feature set and a second machine learning model. And finally, fusing a plurality of indication values to generate a comprehensive evaluation result.

An electronic stethoscope assembly comprises a plurality of patches and a controller. The plurality of patches include at least one sensor configured to measure physiological signals upon placement in contact with the patient and a transceiver configured to transmit physiological signal data. The controller is in communication with at least one of the plurality of patches to receive a set of physiological signal data therefrom for processing and analyzing of the set of physiological signal data so that the set of physiological signal data can be continuously collected and monitored to identify pathologies present in the set of physiological signal data.

This electronic auscultation device comprises: a first diaphragm that is in contact with a specimen; a second diaphragm that forms a closed space together with members including the first diaphragm while at least the first diaphragm is in contact with the specimen; and an output means for outputting a vibration signal indicating the vibration state of the second diaphragm. The size of the second diaphragm is smaller than the size of the first diaphragm, and the Young's modulus of the second diaphragm is smaller than the Young's modulus of the first diaphragm.

An electronic stethoscope includes a diaphragm that comes into contact with a living body, a sound sensor that receives vibration from the diaphragm and converts the vibration into an electric signal, and a tubular member that includes an inner wall surface to define an internal space. The tubular member includes a first inner wall surface that defines a first space, a second inner wall surface that defines a second space, and a boundary portion where the first inner wall surface is in contact with the second inner wall surface. A volume of the first space is larger than a volume of the second space. A cross-sectional area of a transverse section of the internal space is gradually decreased from a diaphragm side end toward the boundary portion in the first space and is gradually increased from the boundary portion toward a sound sensor side end in the second space.

This electronic auscultation device comprises: a diaphragm that vibrates, when in contact with a living body which is an object to be measured, together with the living body, the diaphragm having a light reflection part provided on a surface of the diaphragm opposite to a contact surface that contacts the object to be measured; a light source; a light receiving element that has a light receiving surface for receiving light emitted from the light source and specularly reflected by the light reflection part, and generates a signal corresponding to an amount of light reaching the light receiving surface; a selection unit that selects any of a plurality of modes including a first mode in which biological vibration including a first frequency band is measured, and a second mode in which biological vibration including a second frequency band lower than the first frequency band is measured; and a sensitivity adjustment unit for adjusting a sensitivity of the light receiving element. The sensitivity adjustment unit adjusts the sensitivity of the light receiving element so as to have a first sensitivity when the first mode is selected by the selection unit, and adjusts the sensitivity of the light receiving element so as to have a second sensitivity lower than the first sensitivity when the second mode is selected by the selection unit.

This electronic stethoscope device comprises: a diaphragm that comes into contact with the living body of a subject, the diaphragm having a light reflection surface on the surface on the side opposite from a contact surface of the diaphragm that comes into contact with the living body; a light-emitting diode that irradiates the light reflection surface of the diaphragm with light; an aperture part that narrows down the light emitted from the light-emitting diode; and a light-receiving part that receives the light which has passed through the aperture part and been reflected by the light reflection surface, and outputs a signal corresponding to the amount of light received. The diaphragm furthermore has a low-reflection surface around the light reflection surface, the low-reflection surface having a reflectance lower than that of the light reflection surface.

An electronic auscultation device disclosed herein comprises: a diaphragm that comes into contact with a living body and vibrates together with the living body; a vibration detection unit that detects vibrations of the diaphragm; a generation unit that generates sound signal data, representing sounds generated by the living body, on the basis of a signal generated by the vibration detection unit; and a storage unit that starts storage processing for storing the sound signal data when the diaphragm is pressed by the living body.

An electronic stethoscope (100) for wearing on a body of a user includes a skin-mountable first circuit (110) includes a micro-electronic microphone (112) coupled thereto. The micro-electronic microphone (112) is configured to sense sounds from the body of the user (10) and to generate an analog signal representative thereof. A skin-mountable second circuit (130) is not contiguous with the first circuit (110), is spaced apart therefrom and includes circuitry that processes the analog signal from the electronic microphone (112). A flexible connector (140) electrically couples the first circuit (110) to the second circuit (130).

1. Name of the product in this design: Electronic stethoscope. 2. Purpose of this design: This design is used to collect and receive heart and lung sounds. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

To amplify vibration measured by using an optical sensor at an appropriate amplification factor.SOLUTION: The electronic stethoscope apparatus includes a diaphragm that comes into contact with a living body and vibrates together with the living body and is provided with a light reflecting portion on a surface opposite to a contact surface, a light source, and a light receiving surface that receives light emitted from the light source and specularly reflected by the light reflecting portion. A light receiving element that generates a signal according to an amount of light reaching a light receiving surface, a selection unit that selects any one of a plurality of modes including a first mode for measuring biological vibration including a first frequency band and a second mode for measuring biological vibration including a second frequency band lower than the first frequency band, an output unit that outputs a digital signal based on a signal generated by the light receiving element to the outside, and a light emission amount adjustment unit that adjusts a light emission amount of a light source, the light emission amount adjustment part adjusts the light emission amount of the light source to be a first light emission amount when the first mode is selected, and adjusts the light emission amount of the light source to be a second light emission amount smaller than the first light emission amount when the second mode is selected.SELECTED DRAWING: Figure 7

The invention relates to the technical field of medical apparatus and instruments, in particular to an intelligent newborn abdominal pressure monitoring device which comprises a rotary-body-shaped shell, the interior of the shell is vertically hollow, and an annular pasting piece is coaxially and fixedly connected to the edge of the bottom of the shell; a top cover is arranged at the top of the shell; a pressure sensor is fixedly connected below the top cover; the lower part of the pressure sensor is fixedly connected with a spring, the spring is vertically arranged, and the tail end of the spring is fixedly connected with a marble; the marble and the shell are coaxially arranged, and an electronic stethoscope is arranged in the marble; through the shell fixed to the body of a patient and the marbles connected with the springs, the abdominal pressure change condition of the patient can be accurately monitored for a long time under the condition that external force interference is avoided; by arranging an electronic stethoscope structure in the marble, borborygmus can be monitored synchronously, occurrence and development of diseases which can cause changes of abdominal pressure and borborygmus can be found in time, and the accuracy of diagnosis and differential diagnosis is further improved.

The invention provides a method and system for a hybrid analog-digital stethoscope. In one embodiment, an electronic stethoscope includes: a chest piece including a sound acquisition interface and a plurality of electronic components, where the plurality of electronic components includes one or more microphones and one or more speakers; the output tube is connected with the stethoscope head through a connector comprising a mode switching port, and when the mode switching port is located at a first position of a digital mode, the output tube keeps acoustic communication with one or more loudspeakers; and when the mode switching port is in the second position of the simulation mode, the output tube is kept in acoustic communication with the sound acquisition interface.

The invention provides an electronic stethoscope signal acquisition system based on anomaly recognition, and relates to the technical field of data intelligent recognition, and the method comprises the steps: carrying out the anomaly loss analysis of a plurality of stethoscope signal data sets based on a signal twinning network, and generating a plurality of abnormal feature twinning databases; inputting the plurality of abnormal feature twin databases into a deep learning network for training to obtain a plurality of abnormal recognition networks; global training is carried out, and a global anomaly recognition network is constructed; performing anomaly recognition on the target signal flow based on a global anomaly recognition network, and outputting a target anomaly feature result; and performing signal clustering acquisition control based on a target abnormal feature result. The technical problems that due to the fact that the refining degree of signal data collection of the electronic stethoscope is low, the data analysis dimension and complexity are large, and the data recognition and analysis efficiency and accuracy are low can be solved, the fineness and accuracy of signal collection can be improved, and therefore the efficiency and accuracy of signal recognition and analysis are improved.

To output a vibration signal having a high SN ratio.SOLUTION: The electronic stethoscope apparatus includes a first diaphragm that is brought into contact with a living body surface, a second diaphragm that forms a sealed space together with a member including the first diaphragm at least while the first diaphragm is in contact with the living body surface, and an output unit that outputs a vibration signal indicating a vibration state of the second diaphragm, wherein a size of the second diaphragm is smaller than a size of the first diaphragm and a Young's modulus of the second diaphragm is smaller than a Young's modulus of the first diaphragm.SELECTED DRAWING: Figure 2

Presented herein are computer programs and associated computer-implemented techniques for deriving insights into a patient's health by analyzing audio data generated by an electronic stethoscope system. A diagnostic platform can be responsible for examining this audio data generated by an electronic stethoscope system in order to gain insights into a patient's health. The diagnostic platform can employ heuristics, algorithms, or models that rely on machine learning or artificial intelligence to perform auscultation in a manner that is demonstrably superior to traditional methods that rely on visual analysis by a healthcare professional.

This electronic stethoscope device comprises: a diaphragm that vibrates together with a subject to be measured when the subject to be measured comes into contact therewith; a vibration detection unit that detects vibration of the diaphragm and outputs a signal corresponding to the vibration; a pressure detection unit that detects pressure on the diaphragm by the subject to be measured; a generation unit that generates acoustic data corresponding to the vibration of the diaphragm on the basis of the signal outputted from the vibration detection unit; and a correction unit that corrects the acoustic data on the basis of a reference value determined on the basis of a signal outputted from the vibration detection unit while no pressure on the diaphragm by the subject to be measured is detected.

The present application relates to the technical field of medical diagnostic equipment, and more particularly to an electronic stethoscope and a constant temperature control system thereof, specifically comprising a main controller, a state acquisition module, a power dynamic adjustment module, a multi-partition temperature control module, a partition cooperative temperature control module and a backend early warning module; the present application determines the effective contact state of the auscultation head through contact sensing signals, switches the standby preheating mode and the working constant temperature mode correspondingly, realizes the reasonable distribution of energy, reduces the overall energy consumption of the equipment, simultaneously adjusts the power of each partition through multi-partition independent closed-loop power regulation, realizes real-time sampling and targeted regulation and control of the temperature of each partition, avoids the problems of over-regulation or under-temperature, continuously collects the contact sensing signals, realizes intelligent switching of the mode, and matches the differentiated initial heating power Pi of each partition under the normal temperature / low temperature environment, takes into account the needs of preventing overheating in the normal temperature zone and rapid heating in the low temperature zone, and each partition can perform heating operation according to its initial power.

Stores high-quality audio signal data. [Solution] The electronic stethoscope includes a diaphragm that contacts and vibrates with the living body, a vibration detection unit that detects the vibration of the diaphragm, a generation unit that generates sound signal data representing the sound generated by the living body based on the signal generated by the vibration detection unit, a detection unit that detects the pressure of the diaphragm by the living body, and a storage unit that starts a storage process to save the sound signal data in response to the detection of pressure of the diaphragm by the living body. It is equipped with.

This electronic auscultation device comprises: an output means for outputting a biological sound signal representing a biological sound based on vibrations of a biological surface; a detection means for detecting the state of movement of the electronic auscultation device; and an adjustment means for adjusting the level of the biological sound signal with a gain set on the basis of the state of movement of the electronic auscultation device detected by the detection means. The adjustment means sets the gain to a first gain if the state of movement is a first state, sets the gain to a second gain higher than the first gain if the state of movement is a second state in which the stability of the movement is higher than that in the first state, and sets the gain to a third gain lower than the second gain if the state of movement is a third state in which the stability of the movement is higher than that in the second state.

A solar-powered Global Navigation Satellite System (GNSS) Subscriber Identity Module (SIM) chip device for tracking and monitoring animals and assets is disclosed that allows an individual to track an animal or object. The device is designed as an ultra-low power and lightweight tag that runs only when needed. To do so, the device includes an electronic ear tag, a cellular communication module, a camera module, an electronic stethoscope, a radio-frequency identification (RFID) scannable chip, and a two-way audio communication system. The electronic ear tag corresponds to the main structure of the device that supports the operation of the electrical and electronic components. The cellular communication module enables the device to connect to a cellular network through which the necessary data is being transmitted. The camera module, the electronic stethoscope, the RFID scannable chip, and the two-way audio communication system facilitate the remote monitoring of the target animal wearing the device.

To provide an electronic stethoscope that suppresses the influence of optical properties. [Solution] A detection device for detecting vibrations of a target to be detected, comprising: a diaphragm having a reflective surface that moves in accordance with the vibrations of the target to be detected; a light-emitting unit that emits light toward the reflective surface; a light-receiving unit that receives the light reflected by the reflective surface and outputs a signal corresponding to the light; an aperture unit that narrows the light emitted by the light-emitting unit before it reaches the light-receiving unit; a calibration execution means that performs at least one of the following as calibration: correction of the light intensity of the light-emitting unit and correction of the light-receiving sensitivity of the light-receiving unit; and a control unit that starts a calibration processing flow for performing calibration when predetermined execution conditions are met.

The application discloses an intestinal sound monitoring device, and belongs to the technical field of intelligent medical instruments. In order to solve the problem that the existing device relies on the experience and feeling of medical staff, the monitoring effect is different for different people, the pressing force fluctuates easily due to fatigue or skill difference, and the position needs to be repeatedly adjusted, the application comprises an electronic stethoscope body assembly, one end of the electronic stethoscope body assembly is fixedly connected with a protective shell assembly, a piezoelectric sensor is slidably connected to the protective shell assembly, the piezoelectric sensor is coaxially arranged with the protective shell assembly, and a water bag type expansion assembly is connected to the protective shell assembly. The application realizes real-time monitoring of skin contact pressure through a flexible piezoresistive pressure distribution sensing array, and a controller automatically adjusts the local liquid inlet amount of the water bag type expansion assembly, thereby solving the problem of uneven manual pressing force, making the pressure distribution more uniform, reducing signal distortion, dynamically adjusting the liquid filling amount based on sensor data, realizing automatic compensation, and reducing manual intervention.

An electronic stethoscope includes a casing, a sound sensor that is provided at the casing and that obtains a sound of an organism and converts the sound of the organism into an electrical signal, light-emitting elements that are provided in the casing and that have respective light-emitting surfaces that emit light beams; and a light-guiding member that guides the light beams of the light-emitting elements to outside of the casing. The light-guiding member has an inner surface that includes light-receiving portions that face the light-emitting surfaces and upon which the light beams L of the light-emitting elements are incident, and an outer surface that is exposed to the outside of the casing by extending along an outer peripheral surface of the casing, and that radiates to the outside of the casing the light beams that are incident upon the outer surface through the light-receiving portions.

To appropriately control the level of the output sound of an electronic auscultation device.SOLUTION: Determining a motion state of the electronic auscultation device as one of a first state, a second state in which stability of the motion is higher than stability of the motion in the first state, and a third state in which stability of the motion is higher than stability of the motion in the second state, based on a detection value of the detection unit; And adjusting means for adjusting a level of the biological sound signal with a gain determined based on the determined motion state of the electronic stethoscope apparatus, wherein the adjusting means changes the gain toward a first gain when the motion state of the electronic stethoscope apparatus is determined to be a first state, changes the gain toward a second gain when the motion state of the electronic stethoscope apparatus is determined to be a second state, and changes the gain toward a third gain when the motion state of the electronic stethoscope apparatus is determined to be a third state, and the second gain is larger than the first gain and the third gain.SELECTED DRAWING: Figure 4

This detection device for detecting vibration of a detection target includes: a diaphragm having a reflection surface that moves in accordance with the vibration of the detection target; a light emitting unit that emits light toward the reflection surface; a light receiving unit that receives the light reflected by the reflection surface and outputs a signal corresponding to the light; an aperture unit that narrows the light emitted by the light emitting unit before reaching the light receiving unit; a calibration execution means for executing, as calibration, at least one among correction of a light amount of the light emitting unit and correction of light receiving sensitivity of the light receiving unit; and a control unit that starts calibration processing for executing the calibration when a predetermined execution condition is satisfied.

An electronic stethoscope with a method of listening to sounds made by a heart, a lung, or blood flow along with using soundwaves transmitted from a transducer to observe a person's circulatory system wirelessly displayed onto a nearby monitor without switching devices.

A detection apparatus is configured to detect vibration of a subject. The detection apparatus includes a diaphragm configured to be displaced in response to vibration of the subject, a light emitter configured to emit light toward the diaphragm, a photodetector configured to receive light reflected by the diaphragm and generate a signal corresponding to the reflected light, a casing configured to internally house the light emitter and the photodetector, and a grip configured to rotate about a rotation shaft relative to the casing, the grip including a portion grippable by a user. The light emitter and the photodetector are respectively arranged at one end and another end of the casing with respect to an axial direction of the rotation shaft.

This electronic auscultation device comprises: a diaphragm that comes into contact with a living body and vibrates together with the living body and that is provided with a light reflection part on a surface opposite to a contact surface, of the diaphragm, that comes into contact with the living body; a light source; a light-receiving element that has a light-receiving surface for receiving light which has been emitted from the light source and reflected by the light reflection part, and that generates a signal corresponding to the light which has reached the light-receiving surface; a selection unit that selects any one of a plurality of modes including a first mode for measuring biological vibration including a first frequency band and a second mode for measuring biological vibration including a second frequency band which is lower than the first frequency band; an amplification unit that amplifies the signal, which has been generated by the light-receiving element, with a first amplification factor and a second amplification factor which is lower than the first amplification factor; and an output unit that outputs a first signal which has been amplified by the amplification unit with the first amplification factor when the first mode was selected by the selection unit, and outputs a second signal which has been amplified with the second amplification factor when the second mode was selected by the selection unit.

To sufficiently pick up a biological sound of a low sound pressure level in an electronic stethoscope for collecting a biological sound.SOLUTION: An electronic stethoscope 10 has a diaphragm 12 coming into contact with a living body, a sound sensor 14 receiving vibration propagated from the diaphragm 12 and converting the vibration into an electric signal, and a tubular member 16 having an inner wall surface defining an internal space S in which the vibration is propagated from the diaphragm 12 toward the sound sensor 14. The internal wall surface of the tubular member 16 includes a first internal wall surface 16c defining a first space S1 on a diaphragm side, a second internal wall surface 16d defining a second space S2 on a sound sensor side, and a boundary part 16e at which the first internal wall surface 16c and the second internal wall surface 16d are in contact with each other. The volume of the first space S1 is larger than the volume of the second space S2. The cross-sectional area of the cross section of the internal space S decreases from the diaphragm side end S1a toward the boundary part 16a in the first space S1, and increases from the boundary part 16e toward a sound sensor side end in the second space S2.SELECTED DRAWING: Figure 2