87 results about "Electronic stethoscope" patented technology

The invention discloses an intelligent electronic stethoscope system based on wireless transmission and a data processing method thereof, and belongs to the technical field of electronic stethoscopes, the intelligent electronic stethoscope system comprises a heart sound acquisition module, a signal conditioning module, a power supply module, a wireless transmission module, an upper computer module and a database module; the microprocessor module serves as a core control unit, and the system can collect heart sound signals of a patient in real time and conduct amplification, filtering and spectrum analysis processing on the heart sound signals. The processed heart sound data is transmitted to a mobile device or a computer in real time through a wireless transmission module, so that doctors and users can check heart sound waveforms and related data conveniently; the system also supports the uploading of the data to a cloud database for remote diagnosis and query; the method not only can meet the requirements of modern medical treatment for high efficiency and convenience, but also can play an important role in improving the diagnosis precision and the remote diagnosis capability and reducing the infection risk.

Various methods and systems are provided for an automated clinical exam workflow. In one example, method comprises performing a signal quality check of an electronic stethoscope at a first recording location on a subject, recording physiological data for an exam at the first recording location via the electronic stethoscope in response to the signal quality check satisfying a quality threshold, and outputting a signal quality alert in response to the signal quality check not satisfying the quality threshold. In this way, clinically relevant data may be obtained with reduced user effort and fewer manual inputs.

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.

A portable physiological measurement device holdable by a user includes a housing with an elongated shape in one extension direction and including, in the extension direction, one end, a stethoscope positioned at the tip and including a diaphragm extending in a diaphragm plane, a display, arranged on the housing, the display extending in a direction orthogonal to the membrane plane, a physical interface, functionally connected to the display and positioned on the housing between the display and the membrane along the extension direction.

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.

The present description relates generally to methods and systems for wireless communication between a digital (e.g., electronic) stethoscope and other electronic devices (e.g., computing and listening devices). In one example, a method comprises operating an electronic stethoscope in one of an internal digital mode and a wireless digital mode based on a detected user action. In this way, the electronic stethoscope may be quickly adjusted between projecting sound via integrated speakers and transmitting sound to an external electronic device, enabling efficient remote monitoring of a patient.

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.

The invention discloses a remote monitoring system and method for an intelligent electronic stethoscope, and relates to the technical field of stethoscope signal monitoring and processing. The remote monitoring system of the intelligent electronic stethoscope comprises a low-frequency amplification gain stability analysis module, a low-frequency heart sound signal amplification accuracy analysis module and a low-frequency heart sound signal remote transmission module. According to the method, whether gain stability optimization is carried out or not is judged by carrying out low-frequency amplification gain stability analysis, then whether heart sound signal amplitude regulation is carried out or not is judged by carrying out low-frequency heart sound signal amplification accuracy analysis, and finally, whether low-frequency heart sound signal remote retransmission is carried out or not is judged by carrying out low-frequency heart sound signal remote transmission analysis. The effect of improving the heart sound signal remote monitoring accuracy of the electronic stethoscope is achieved, and the problem that in the prior art, due to insufficient gain adjustment, the heart sound signal remote monitoring accuracy of the electronic stethoscope is low is solved.

Introduced here are electronic stethoscope systems designed to simultaneously monitor sounds originating from within a body under examination and the ambient environment. An electronic stethoscope system can include one or more input units that are connected to a hub unit. Each input unit may have at least one auscultation microphone and at least one ambient microphone. To improve the quality of sound recorded by an input unit, a processor can apply a noise cancellation algorithm that considers as input the audio data produced by the auscultation microphone(s) and the audio data produced by the ambient microphone(s). The audio data may be digitized directly in the input unit, and then transmitted to the hub unit for synchronization. For example, by examining the audio data produced by the ambient microphone(s), the processor may discover which digital artifacts, if any, should be filtered from the audio data produced by the auscultation microphone(s). The processor may reside within the input unit or the hub unit.

Sounds produced by internal organs of the body can be used to monitor health conditions related to, for example, the heart and lungs. The present disclosure includes an electronic stethoscope that may be positioned by a user on locations of the body to record sounds from organs. The present disclosure also includes visual algorithms to guide positioning of the electronic stethoscope and audio diagnostic algorithms for providing analysis of recorded sounds.

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.

The present application introduces an acoustic collection device designed to extend the path through which sound waves can be collected by a microphone. The acoustic collection device may include a tubular body having: (i) a distal interface through which acoustic waves corresponding to sound inside the organism are collected; and (ii) a proximal interface through which the acoustic waves are presented to the microphone. A channel defined by an inner surface of the tubular body extends between the distal interface and the proximal interface. The channel allows acoustic waves to propagate from the distal interface to the proximal interface. The acoustic collection device may be connected to a housing of an electronic device for recording acoustic waves, or the acoustic collection device may be implemented in an input unit of an electronic stethoscope system.

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.

Sound generated by internal organs of a body may be used to monitor health conditions associated with, for example, the heart and lungs. The present disclosure includes an electronic stethoscope positionable by a user on a location of the body to record sound from an organ. The disclosure also includes a visual algorithm for guiding the positioning of the electronic stethoscope and an audio diagnostic algorithm for providing analysis of the recorded sound.

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.

Methods and systems for a hybrid analog-digital stethoscope is herein provided. In one example, an electronic stethoscope comprises a chestpiece including a sound collecting interface and a plurality of electronic components, wherein the plurality of electronic components includes one or more microphones and one or more speakers; an output tube coupled to the chestpiece via a connector comprising a mode switching port, wherein the output tube, when the mode switching port is in a first position for digital mode, is in acoustic communication with the one or more speakers and, when the mode switching port is in a second position for analog mode, is in acoustic communication with the sound collecting interface.

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.

1. Name of the design product: Electronic stethoscope. 2. Use of the design product: For medical devices. 3. Design key points of the design product: Lies in the shape. 4. Picture or photograph that best shows the design key points: Stereogram.

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.

A portable physiological measuring device (700) grippable by a manipulator is provided, comprising: - a housing of elongated shape along a direction of extension and comprising, along the direction of extension, an end, - a stethoscope (106R) positioned at the end and comprising a membrane extending in a membrane plane, - a display (112), arranged on the housing, the display (112) extending along a direction of extension orthogonal to the membrane plane, - a physical interface, functionally connected to the display (112) and positioned on the housing between the display (112) and the membrane along the direction of extension. Abstract figure: Figure 9

FIG. 1 is a perspective view of an electronic stethoscope showing my new design;FIG. 2 is a front view thereof;FIG. 3 is a back view thereof;FIG. 4 is a top side view thereof;FIG. 5 is a bottom side view thereof;FIG. 6 is a left side view thereof; and,FIG. 7 is a right side view thereof.

The invention belongs to the technical field of biomedical signal processing, and particularly relates to an automatic respiratory rate calculation method for respiratory sound processing of an electronic stethoscope, which comprises the following steps of: S1, acquiring a period of respiratory sound signal with the duration of Ts (Ts is greater than or equal to 15 seconds) and the sampling rate of fs by using the electronic stethoscope; s2, performing short-time Fourier transform on the obtained breath sound signal vector x; s3, calculating the amplitude S of the time-frequency spectrum matrix S; s4, carrying out homomorphic envelope st on the time domain vector # imgabs0 # of the intermediate frequency component; and S5, searching all peak values greater than a preset threshold Eth on the time domain homomorphic envelope st of the intermediate frequency component. By calculating the time domain homomorphic envelope of the intermediate frequency component, main interference components including heart sound can be automatically eliminated, the detection specificity of the breath sound signal component is greatly improved, and then the calculation precision of the breath rate is improved; respiratory cycle detection and respiratory rate calculation can be realized only by searching a peak value meeting a threshold condition on the time domain homomorphic envelope of the intermediate frequency component without any pattern recognition method with relatively high complexity.

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

The present invention relates to the technical field of medical devices, and discloses an intelligent arteriovenous fistula vascular murmur monitoring device, which includes an arm guard worn on the patient's arm. A number of monitoring mechanisms are provided on the arm guard. The monitoring mechanism includes a first housing and an electronic stethoscope. The electronic stethoscope is used to be attached to the arteriovenous fistula on the patient's arm to monitor vascular murmurs; a cylinder is provided on the first housing, a lifting rod is slidably provided on the cylinder, a connecting ball is provided on the lifting rod, and the connecting ball is rotatably connected to the electronic stethoscope. A number of vibration damping mechanisms are circumferentially provided on the first housing. This intelligent arteriovenous fistula vascular murmur monitoring device wears multiple electronic stethoscopes on the arm close to the body along with the arm guard to monitor and record the entire arteriovenous fistula in real time, and has a segmented vibration damping function, effectively monitoring the murmur of the patient during movement while maintaining the wearing comfort as much as possible.