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36 results about "Respiratory rate monitoring" patented technology
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Respirator
InactiveCN104874055AHigh degree of automationImprove medical efficiencyRespiratorsRespiratory organ evaluationAutonomous breathingPositive pressure
The invention discloses a respirator. Working modes of the respirator comprises a ventilation mode and an autonomous respiration mode. The respirator comprises a breathing rate monitor used for monitoring a breathing rate of a patient and comparing the breathing rate and a breathing rate threshold; an end-expiratory positive pressure monitor used for detecting the end-expiratory positive pressure of the patient and comparing the end-expiratory positive pressure and an end-expiratory positive pressure threshold; a rapid-shallow-breathing index monitor used for detecting a rapid-shallow-breathing index of the patient and comparing the rapid-shallow-breathing index and a rapid-shallow-breathing index threshold; an alarm device, and a controller. The input end of the controller is connected to the breathing rate monitor, the end-expiratory positive pressure monitor and the rapid-shallow-breathing index monitor, and the output end of the controller is connected to the alarm device. In the autonomous respiration mode, the controller controls the alarm device to give an alarm when at least one of the breathing rate, the end-expiratory positive pressure and the rapid-shallow-breathing index exceeds the corresponding threshold. The respirator is high in automation degree, does not depend on manual duty, and facilitates the improvement of medical care efficiency.
Owner:BEIJING AEONMED
Magnetic stimulation device of vagus nerve
InactiveCN106139405AEasy to acceptGood treatment effectElectrotherapyMagnetotherapy using coils/electromagnetsMedicineFrequency detection
The invention discloses a magnetic stimulation device of vagus nerve. The magnetic stimulation device of vagus nerve comprises a stimulation coil (101), a first respiration frequency detection electrode (102a), a second respiration frequency detection electrode (102b), a first electrocardiogram detection electrode (103a), a second electrocardiogram detection electrode (103b), a third electrocardiogram detection electrode (103c), a stimulation pulse generator (104), a respiration frequency monitoring module (105), an electrocardiogram monitoring module (106), a control module (107) and a display module (108). The stimulation coil (101) is pasted on the surface of the neck skin of a patient; an induced electric field is generated on the vagus nerve by using an external pulse magnetic field, so that the vagus nerve is simulated to be excited; the respiration frequency monitoring module (105) and the electrocardiogram monitoring module (106) are capable of monitoring respiration frequency and heart rate of the patient (109) in real time and automatically stopping simulating when the patient (109) has abnormal heartbeat and respiration.
Owner:INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
Vehicle anti-fatigue driving equipment based on big data and implementation method
InactiveCN111784972AEnsure normal monitoring operationImprove subjective initiativeVibration massageRespiratory organ evaluationDriver/operatorMassage
The invention discloses vehicle anti-fatigue driving equipment based on big data. The equipment comprises a big data fatigue monitoring system and an anti-fatigue reminding system which are integratedwith vehicle driving. The anti-fatigue reminding system comprises a driver seat, an electric shock stimulation plate and a vibratory massage anti-fatigue mechanism. A secondary safety protection bellyband is also arranged on the side surface of the driver seat. A safety belt integrated clamping plate used for fixing a second-level safety protection bellyband is arranged on the side face of the driver seat, a respiratory rate monitoring module is arranged on the portion, close to the tail end, of the second-level safety protection bellyband, and a bellyband tying monitoring module is arrangedon the safety belt integrated clamping plate. The implementation method of the anti-fatigue equipment comprises: identifying gender and age information of a driver; performing bellyband fastening reminding; monitoring the respiratory rate in real time; starting a vibratory massage anti-fatigue mechanism at regular time; performing fatigue stimulation. According to the scheme, the subjective initiative of an anti-fatigue implementation mode is improved, the fatigue of a driver can be actively relieved, and the effectiveness and stability of anti-fatigue implementation are improved.
Owner:北京敬一科技有限公司
Multifunctional intelligent pillow
The invention discloses a multi-functional intelligent pillow, wherein the intelligent pillow is internally provided with a sleep aid module, a respiratory frequency monitoring device, a mosquito repelling module, a sound detecting device and the like. When it is detected that a person is ready to go to sleep, the sleep aid module emits a lavender smell that is conducive to sleep, and can adjust the pillow to be soft and hard and high, so that a person is in a comfortable sleep environment. When people fall asleep, the snoring and mosquito and fly sound can be judged by classifying the indoorsound, and the snoring and mosquito repellent functions can be realized respectively. Multi-function smart pillow monitors the breathing frequency of people in sleep in real time. Under abnormal conditions, the vibrator wakes up or reminds people around. There are also modules such as music and wireless remote control, which can meet people's needs in many aspects.
Owner:TAIYUAN UNIV OF TECH
Non-invasive long-term apnea syndrome monitoring device
InactiveCN110477887AGet the number of turnsSensorsMeasuring/recording heart/pulse rateHuman bodySensor array
The invention discloses a non-invasive long-term apnea syndrome monitoring device. A sensor array generates a resistance change signal and transmits the resistance change signal to an acquisition circuit; the acquisition circuit transmits the resistance change signal to a preprocessing circuit; the preprocessing circuit carries out noise filtering on the resistance change signal and then transmitsthe resistance change signal to a microprocessor; an acceleration sensor module collects a turning-over body moving signal and transmits the turning-over body moving signal to the microprocessor; themicroprocessor separates respiration and heartbeat signals in the resistance change signal to obtain a respiration category and a heartbeat frequency and transmits the respiration category and the heartbeat frequency to a cloud platform; the cloud platform judges the sleep depth of a person on the bed within a period of time according to the respiration category, records the time period of apneasyndrome, and draws a sleep quality time diagram according to the number of times and frequency of turning-over and the heartbeat frequency. According to the monitoring device, influence-free heart rate and respiration frequency monitoring can be carried out on the human body, the turning-over frequency of a sleeper can be acquired, and analysis data of sleep quality and the apnea syndrome can beprovided for doctors or monitors.
Owner:ZHEJIANG SCI-TECH UNIV
Control system and control method of intelligent seat cushion
PendingCN106377244AHigh degree of intelligenceReal-time monitoring of sitting posture statusRespiratory organ evaluationSensorsControl systemComputer module
The invention discloses a control system of an intelligent seat cushion. The control system comprises multiple groups of acceleration sensors, a control box and an upper computer, wherein the control box internally comprises a main control module, a BLE (Bluetooth Low Energy) chip, a heart rate and respiratory rate monitoring module and a wireless communication module, and the BLE chip, the heart rate and respiratory rate monitoring module and the wireless communication module are connected with the main control module; the multiple groups of acceleration sensors are symmetrically arranged at two sides of the intelligent seat cushion and are connected with the control box through cables, and the cables are cured in the intelligent seat cushion; the control box is arranged on the back surface of the intelligent seat cushion and is in communication with the upper computer through the wireless communication module. The invention also discloses a control method of the intelligent seat cushion. The control method is characterized by comprising the following steps: carrying out real-time collection through the sensors and then carrying out computation and judgment through a built-in algorithm of the upper computer. According to the control device and the control method, disclosed by the invention, the physical condition and the sitting posture state of a user can be monitored in real time, the intelligent degree is high, and the user experience is better.
Owner:苏州春光名美家具有限公司
A monitoring device and system for breathing frequency, a respirator and an oxygen uptake machine
The invention discloses a monitoring device and system for breathing frequency, a respirator and an oxygen uptake machine. The monitoring device for breathing frequency includes a breathing monitoringmodule and an electric circuit processing module, and the electric circuit processing module includes a signal preprocessor module, a central control module, and a power supply module, wherein the breathing monitoring module is used for outputting a breathing electric signal according to the air flow generated by the inhalation or expiration of users; the signal preprocessor module is electrically connected with the breathing monitoring module, and is used for performing pretreatment on the breathing electric signal outputted from the breathing monitoring module; the central control module iselectrically connected with the signal preprocessor module, and is used for analyzing and calculating the breathing frequency of a user in a first preset time interval according to the breathing electrical signal pretreated by the signal preprocessor module; the power supply module is electrically connected with the central control module, and is used for providing electric energy. The breathingfrequency of users can be sensitively and accurately monitored by the monitoring device and system for breathing frequency, the respirator and the oxygen uptake machine.
Owner:NAZHIYUAN TECH TANGSHAN LLC
Radar-based non-contact respiration detection method for pigs
PendingCN112754444ASolve the costSolve the accuracy problemDiagnostic recording/measuringSensorsNoise removalRadar
The invention designs a radar-based non-contact respiration detection method for pigs. A millimeter wave radar is creatively applied to respiration detection for pigs, and a depth camera detection in the prior art is replaced. A respiratory rate and a heart rate of pigs are calculated through steps of data collection, data preprocessing, signal separation, mobile noise pollution judgment and processing, respiratory rate calculation, harmonic wave removal and the like, whether heartbeat harmonic waves are overlapped with the respiratory rate or not is judged according to the calculated respiratory rate and the calculated heart rate, and if the overlapping exists, a designed filter needs to be used for filtering out heartbeat harmonic waves in breathing data and recalculating the respiratory rate. In conclusion, the non-contact respiratory rate monitoring method solves problems that the cost is high and the precision is relatively low when the respiratory rate of the pigs is detected through a depth camera. Meanwhile, accuracy of an final respiratory rate result is further improved through cooperation of a multiple spectrum estimation method, a mobile noise removal and a heart rate filter method.
Owner:MUYUAN FOODS CO LTD
Intelligent health monitoring and early warning system and method based on sleeping big data
The invention provides an intelligent health monitoring and early warning system and method based on sleeping big data. According to the method, the body temperature information, respiration frequency, heart signal spectrum, sweat component information, sweating amount, turning time, amplitude and the oxygen content in blood and image information when a user sleeps are monitored by using a centralprocessing unit, an infrared body temperature sensor, a signal processing circuit, a humidity sensor, a sweat monitoring module, an electrocardiogram monitoring module, a moving monitoring module, ablood oxygen monitoring module, a respiration frequency monitoring module, a display module, a storage module, a wireless transmission module and a mobile terminal.
Owner:HUAIHUA UNIV
Device for monitoring acetone in exhaled gas of diabetic patient
The invention discloses a device for monitoring acetone in exhaled gas of a diabetic patient. The device is characterized by being composed of a skin-friendly layer, a breathing gas adsorption layer,an outermost layer and a breathing frequency monitor. Gas enters the breathing gas adsorption layer through the skin-friendly layer, and the gas adsorption layer adsorbs breathing gas; the breathing gas has a certain humidity, and a certain relation exists between the humidity and expiration frequency; and an acetone sensor on the outermost layer is used for testing the acetone degree of breathinggas and transmitting an acetone degree value to the breathing frequency monitor through a Bluetooth module. With the device of the invention adopted, the breathing gas can be collected, and the breathing frequency can be monitored at the same time, and working efficiency is improved; the breathing frequency monitor is a mobile phone provided with APP software and used for receiving acetone content data in respiratory gas.
Owner:CHANGCHUN UNIV OF SCI & TECH
Health index monitoring system based on automobile intelligent safety belt and data processing method thereof
InactiveCN113071446ATimely detection of abnormal physical conditionsImprove accuracyDiagnostic recording/measuringSensorsHealth indexDriver/operator
The invention relates to the technical field of health index monitoring, in particular to a driver heart rate and respiratory rate monitoring system based on an automobile intelligent safety belt and a data processing method of the driver heart rate and respiratory rate monitoring system. The automobile intelligent safety belt comprises a belt body of a two-layer structure, a flexible sensor and a data transmission device are fixed between an upper layer and a lower layer, an amplifying circuit of the data transmission device is connected with the flexible sensor, and the data transmission device is connected with a terminal, an automobile intelligent ECU system and a cloud platform. According to the health index monitoring system based on the automobile intelligent safety belt and the data processing method of the health index monitoring system, a system for monitoring body health indexes of a driver is combined with the safety belt, and the functions that the safety belt actively monitors the heart rate and respiratory rate of the driver, reminds and warns fatigue driving and body abnormity and analyzes driving habits are achieved. Through long-term data collection and analysis, a health and driving habit file of the driver is formed, the abnormal physical state of the driver is found in time, potential diseases are pre-judged, and the risk of disease outburst is reduced.
Owner:三三智能科技(苏州)有限公司 +1
Medical patient sleeping quality monitoring system based on big data
PendingCN109938708ASimple structureImprove versatilitySensorsBlood characterising devicesOxygen monitoringSignal processing circuits
The invention provides a medical patient sleeping quality monitoring system based on big data. A central processing unit, an infrared body temperature sensor, a signal processing circuit, a humidity sensor, a sweat monitoring module, an ECG monitoring module, a blood pressure monitoring module, a blood oxygen monitoring module, a respiratory rate monitoring module, an image collecting module, an image processing module, a wireless sending module, a wireless receiving module, a controller, a big data server, a display module, a storing module, a wireless transmitting module and a mobile terminal are used for monitoring the body temperature information, respiratory rate, heart signal spectrum, sweat composition information, sweating amount, blood pressure, blood oxygen content and image information of a patient in sleeping.
Owner:FIRST AFFILIATED HOSPITAL OF KUNMING MEDICAL UNIV
Intelligent regulating artificial nose safety airbag control system
ActiveCN106860988ATimely detection of emergenciesReal-time monitoring of respiratory rateRespiratorsMeasurement devicesEngineeringRecovery rooms
The invention relates to an intelligent regulating artificial nose safety airbag control system. The intelligent adjusting artificial nose safety airbag control system comprises a manual rotating regulating airbag automatic inflation system, an automatic inflation module, a pressure and breath frequency monitoring module, a humidity monitoring module, an oxygen concentration monitoring module and a terminal CO2 concentration detection module. The intelligent regulating artificial nose safety airbag control system can well protect the cranial skin of a patient; besides, multiple installed monitoring modules can monitor numerical values of air pressure in the pipeline, the breath frequency of the patient, the oxygen concentration in the air pipeline and the like in an operation in real time, and the situation that pipe falling cannot be found is avoided; moreover, after the operation finishes, in the process that the patient goes to a recovery room or a ward from an operating theatre, the real-time breath condition of the patient and the oxygen concentration condition continues to be monitored to bring convenience for a doctor to timely find emergency of the patient and timely take an emergency measure; a module for monitoring the humidity of consumables in the filtering device in the artificial nose is installed in real time to facilitate real-time monitoring of the humidity of the artificial nose, and the consumption degree of the artificial nose is judged to avoid the situation that the artificial nose is still utilized when losing efficacy.
Owner:THE SECOND AFFILIATED HOSPITAL TO NANCHANG UNIV
Mask with respiratory rate monitoring function
PendingCN113576454ARealize instant detection functionEase of workRespiratory organ evaluationSensorsRespiratory healthTerminal equipment
The invention discloses a mask with a respiratory rate monitoring function. The mask comprises a mask body, a sensing module and a communication module, wherein the sensing module is a sensing fiber net arranged on the mask body, the sensing fiber net is constructed to enable gas generated by breathing to force the sensing fiber net to move relative to the mask body so as to generate friction static charges and form open-circuit voltage. The communication module is electrically connected with the sensing module and used for sending the open-circuit voltage to terminal equipment so that the terminal equipment can obtain respiratory rate data according to the open-circuit voltage. According to the mask with the respiratory rate monitoring function provided by the embodiment of the invention, the function of instantly detecting the respiratory rate can be realized, and the monitored respiratory rate data can be used for analyzing the respiratory health condition of a user. In addition, the mask is convenient to use, simple to operate during daily health monitoring, safe, practical, efficient and fast, and the working difficulty of medical staff is reduced.
Owner:深圳德夏科技发展有限公司
Wearable optical sensor for respiratory rate monitoring
A respiratory monitor, systems of respiratory monitoring, and methods of calibrating sensing equipment are described. The respiratory monitor may be configured to identify respiratory patterns while ignoring normal noise aberrations from a sensing device. The monitor may be configured for more comfortable use by a patient. Calibration techniques are also described. These calibration techniques may be employed to adjust sensing systems and to correct for unwanted noise in output signals of sensing equipment.
Owner:ARIZONA STATE UNIVERSITY
Nasal high-flow respiratory rate monitoring method and respiratory support equipment thereof
ActiveCN113368351AEffectively evaluate the effect of useImprove intelligenceRespiratorsMedical devicesFast Fourier transformRespiratory frequency
The invention provides a nasal high-flow respiratory rate monitoring method and respiratory support equipment thereof, and the respiratory rate monitoring method comprises the steps: acquiring M pressure values through a pressure sensor of the high-flow respiratory support equipment to obtain a second pressure standard deviation SD of the M pressure values in a current state, and comparing the second pressure standard deviation with a pressure standard deviation threshold value under corresponding flow in a no-load state so as to determine whether the high-flow respiratory support equipment is in a respiratory use state or not; and when it is judged that the high-flow respiratory support equipment is in the respiratory use state, acquiring N flow AD values through a flow sensor of the high-flow respiratory support equipment, conducting discrete fast Fourier transform on the N flow AD values, and acquiring a point i corresponding to a highest amplitude frequency is obtained, thereby obtaining a current respiratory rate; By the adoption of the monitoring method, the real-time respiratory rate can be obtained only through the pressure sensor and the flow sensor of the high-flow respiratory support equipment; the use effect of the high-flow respiratory support equipment can be effectively evaluated, and the product intelligence is improved.
Owner:THE FIRST MEDICAL CENT CHINESE PLA GENERAL HOSPITAL +1
Heart rate and respiratory rate monitoring method and monitoring device thereof, blanket and mattress
Owner:GUANGZHOU 37 DEGREE SMART HOME CO LTD
Inhalable dust concentration detection device and method
The invention relates to an inhalable dust concentration detection device and method, which belong to the technical field of dust concentration detection. The device comprises a dust filtering device, a dust concentration detection device, a human body breathing characteristic simulation device, a sensor and a control center, wherein the sensor comprises a differential pressure sensor, a flow sensor and a human respiratory rate monitoring device; the dust filtering device, the dust concentration detection device and the human body breathing characteristic simulation device are sequentially connected through a pipeline; the control center is connected with the differential pressure sensor, the flow sensor and the human body breathing frequency monitoring device, human body breathing frequency information, the gas flow in the pipeline and the differential pressure at the two ends of the dust filtering device are integrated, the motion state of the human body breathing characteristic simulation device is adjusted, and the gas flow speed of the pipeline is approximately close to the breathing gas amount of a worker. The device can simulate and detect the concentration of dust absorbed by a human body after individual protection, and provides data support for occupational health of workers.
Owner:CHINA COAL TECH & ENG GRP CHONGQING RES INST CO LTD
Fatigue monitor based on big data and monitoring method
InactiveCN111803098AEnsure normal monitoring operationImprove subjective initiativeVibration massageRespiratory organ evaluationDriver/operatorRespiratory frequency
The invention discloses a fatigue monitor based on big data. The monitor comprises a big data fatigue monitoring system and an anti-fatigue reminding system which are integrated with vehicle driving,the anti-fatigue reminding system comprises a driver seat, an electric shock stimulation plate and a vibratory massage anti-fatigue mechanism, a secondary safety protection bellyband is also arrangedon the side surface of the driver seat, a safety belt integrated clamping plate used for fixing the secondary safety protection bellyband is arranged on the side face of a driver seat, a respiration rate monitoring module is arranged on the portion, close to the tail end, of the secondary safety protection bellyband, and a bellyband fastening monitoring module is arranged on the safety belt integrated clamping plate. An implementation method of the fatigue monitor comprises the following steps: recognizing gender and age information of a driver; performing bellyband fastening reminding; monitoring the respiration rate in real time; generating a personal respiration spectrogram according to the actual respiration state; and carrying out comparison twice on the monitored respiration rate andthe personal respiration spectrogram. According to the scheme, the subjective initiative of an anti-fatigue implementation mode is improved, the fatigue of the driver can be actively relieved, and the effectiveness and stability of anti-fatigue implementation are improved.
Owner:北京敬一科技有限公司
A Respiration Rate Monitoring Method Based on Photoplethysmography
ActiveCN101732050BImprove accuracyImprove anti-interference abilityRespiratory organ evaluationVolume waveRespiration rate
The invention discloses a method for monitoring respiration rate based on photoplethysmography, which is characterized in that it includes the following steps: firstly collect the photoplethysmogram digital signal of blood volume change in the skin surface microvascular bed of the measured part, and the signal is unfiltered Process the original photoplethysmogram signal containing respiratory information and with a sampling frequency of 500Hz and above; then preprocess the collected photoplethysmogram using mathematical morphology methods; then use the feature point positioning method to detect the volume of the preprocessed signal The peak point and valley point of each beat of the pulse wave; calculate the time interval variable of each beat and the difference variable between the intensity of the peak point and the valley point of each beat; finally perform breathing beat detection on the obtained time interval variable and amplitude variable , to calculate the respiration rate.
Owner:XI AN JIAOTONG UNIV
Respiration monitoring method based on wireless link information
InactiveCN103315741AQuick installation and layoutEasy to disassembleTransmission systemsRespiratory organ evaluationMonitoring systemSick person
The invention provides a respiration monitoring method based on wireless link information, belongs to the fields of health monitoring, patient and the old caring, wireless communication and wireless networks and relates to non-contact respiration monitoring method based on the wireless link information. The respiration monitoring method comprises the steps of utilizing multiple wireless links formed by multiple wireless scanning nodes and distributed on the periphery of a bed, monitoring periodic influence of human body respiration to the signal strength of the multiple wireless links to estimate a change cycle of the signal strength of the wireless links and then estimating respiratory rate of a human body. A system adopted by the respiration monitoring method consists of N wireless scanning nodes, wireless convergence nodes, a universal personal computer (PC), a respiratory rate monitoring method and the bed for bearing a human body. The respiration monitoring method adopts non-contact monitoring, does not need any facility installed on a monitored human body, enables the monitoring system to be humanized and is suitable for monitoring of infants and postoperative patients, and a non-contact monitoring technology has wide application prospect.
Owner:DALIAN UNIV OF TECH
Respiration monitoring method based on wireless link information
InactiveCN103315741BQuick installation and layoutEasy to disassembleTransmission systemsRespiratory organ evaluationMonitoring systemSick person
The invention provides a respiration monitoring method based on wireless link information, belongs to the fields of health monitoring, patient and the old caring, wireless communication and wireless networks and relates to non-contact respiration monitoring method based on the wireless link information. The respiration monitoring method comprises the steps of utilizing multiple wireless links formed by multiple wireless scanning nodes and distributed on the periphery of a bed, monitoring periodic influence of human body respiration to the signal strength of the multiple wireless links to estimate a change cycle of the signal strength of the wireless links and then estimating respiratory rate of a human body. A system adopted by the respiration monitoring method consists of N wireless scanning nodes, wireless convergence nodes, a universal personal computer (PC), a respiratory rate monitoring method and the bed for bearing a human body. The respiration monitoring method adopts non-contact monitoring, does not need any facility installed on a monitored human body, enables the monitoring system to be humanized and is suitable for monitoring of infants and postoperative patients, and a non-contact monitoring technology has wide application prospect.
Owner:DALIAN UNIV OF TECH
Establishing method and using method of respiration guiding database
PendingCN113823381AAccurate data collectionReasonable specification of data analysisPhysical therapies and activitiesMedical data miningData packEngineering
The invention discloses an establishing method and a using method of a respiration guiding database, and relates to the field of sleep aiding. The establishing method of the respiration guiding database comprises the following steps: obtaining physical sign basic values of a plurality of testees, and carrying out grouping operation on the testees according to the physical sign basic values; and performing continuous multi-night all-night sleep experiments on the testees in a single group, synchronously collecting numerical values of electroencephalogram, myoelectricity, electro-oculogram and respiratory rate, summarizing multi-night data of each testee to form a data packet, and performing processing and other operations on the data in each night in the data packet. The using method of the respiration guiding database comprises the following steps: inputting an individual feature value when a user uses the respiration guiding database, and enabling a program to extract a corresponding prediction model according to a homogeneity group corresponding to the user feature value; and starting respiratory rate monitoring equipment, and when the respiratory rate monitoring equipment runs, calculating a corresponding respiratory rate average value within a preset time by taking a preset second duration as a unit, and the like.
Owner:杭州云睡吧健康管理有限公司
Wearable optical sensor for respiratory rate monitoring
ActiveUS11083394B2Strain gaugeRespiratory organ evaluationIntensive care medicineRespiratory rate monitoring
A respiratory monitor, systems of respiratory monitoring, and methods of calibrating sensing equipment are described. The respiratory monitor may be configured to identify respiratory patterns while ignoring normal noise aberrations from a sensing device. The monitor may be configured for more comfortable use by a patient. Calibration techniques are also described. These calibration techniques may be employed to adjust sensing systems and to correct for unwanted noise in output signals of sensing equipment.
Owner:ARIZONA STATE UNIVERSITY
A respiratory rate monitoring method based on nanowave technology
InactiveCN109199389AAccurate measurementAccurately record breathingDiagnostic signal processingRespiratory organ evaluationRespiration rateRespiratory rate monitoring
The invention relates to a respiration rate monitoring method based on nano-wave technology, comprising the following steps: determining a reference target and sending a nano-wave signal to the reference target; receiving the echo signal reflected by the reference target with two receiving antennas with different positions to obtain a wavepath difference; converting the transmitted nanowave signalinto narrow-band small-angle irradiation, and then emitting nanowave signal; receiving a new echo signal and obtaining a slight change of the final target body according to the wave path difference;counting the number of small changes in the body of the final target in a fixed period of time to obtain the respiration rate of the target. The method is capable of accurately measuring and recordingrespiration at a distal end.
Owner:上海宇佑船舶科技有限公司
Respiration rate monitoring method, device, equipment and medium
PendingCN114159050AAccurate calculationRespiratory organ evaluationSensorsBand-pass filterEngineering
The embodiment of the invention relates to the field of smart home, and discloses a respiratory rate monitoring method and device, equipment and a medium. The method comprises the following steps: acquiring a heart impact sampling signal with a preset sampling frequency; inputting the ballistocardiogram sampling signal into a plurality of band-pass filters with different frequency ranges for filtering processing to obtain filtering data with maximum signal energy in a preset time length; obtaining a wave crest and a wave trough of the filtering data with the maximum signal energy; according to the distance between the wave crests, the distance between the wave troughs and the preset sampling frequency, the respiration rate is calculated. According to the method, the dynamic band-pass filter is used, the respiration signals are extracted from the BCG in real time, and the accuracy of respiration rate calculation is effectively improved.
Owner:深圳数联天下智能科技有限公司
Pillow capable of automatically adjusting oxygen concentration
PendingCN114668272APlay a role in adjuvant therapyFirmly connectedPillowsRespiratorsPhysical medicine and rehabilitationSleep state
The invention discloses an oxygen concentration automatic adjusting pillow which comprises a pillow body, the pillow body comprises a soft sponge mat composite layer and a silica gel box body at the bottom, the pillow further comprises a miniature oxygen generation device, a respiratory rate monitoring device and a control end, the miniature oxygen generation device is connected with the silica gel box body through an oxygen outlet pipe, and the control end is connected with the soft sponge mat composite layer. The respiratory rate monitoring device is installed on a nose clip structure capable of being connected with the nose of the human body, the control end is located in the silica gel box body, and the respiratory rate monitoring device and the control end are in wireless control connection. The pillow is combined with the oxygen generating device, the sleep state of a patient can be monitored in real time, oxygen with a proper flow can be supplied to the patient when necessary, and therefore the auxiliary treatment effect is achieved.
Owner:SHANGHAI AST REHABILITATION AIDS
Respiratory frequency monitoring device and method
ActiveCN112932460ADiagnostic signal processingRespiratory organ evaluationRespiratory frequencyEmergency medicine
The invention provides a respiratory rate monitoring device and method. The respiratory rate monitoring device comprises a first sensing module, a second sensing module and a third sensing module; the first sensing module obtains a first displacement angle; the second sensing module obtains a second displacement angle; the third sensing module obtains a third displacement angle; a first respiratory frequency is obtained according to the change relation of the third displacement angle along with time; a second respiratory frequency is obtained according to the conversion relation of the oxyhemoglobin saturation and the respiratory frequency; and a third respiratory frequency is obtained based on the first respiratory frequency and the second respiratory frequency by adopting a Kalman filtering data fusion algorithm. According to the respiratory frequency monitoring device and method provided by the technical schemes, the respiratory frequency monitoring device is small in size and can be portable and worn anytime and anywhere, achieves remote monitoring and facilitates daily respiratory frequency monitoring of a patient; and the Kalman filtering data fusion algorithm is adopted to process the first respiratory frequency and the second respiratory frequency, so that the respiratory frequency monitoring accuracy is improved.
Owner:CHONGQING UNIV
Breathing depth and breathing frequency measuring device and method based on inertial measurement units
ActiveCN113768491AMeasured with high precisionAvoid motion distractionsDiagnostic signal processingRespiratory organ evaluationHuman bodyRespiratory depth
The invention discloses a breathing depth and breathing frequency measuring device and method based on inertial measurement units. The breathing depth and breathing frequency measuring device comprises an outer shell used for providing a relative reference system, an inner shell serving as a chest breathing depth and breathing frequency measuring device, a first inertial measurement unit and a second inertial measurement unit. Firstly, relative reference is provided for movement of the chest through connection of the inner shell, the outer shell and a spring, and then the same inertial measurement unit and the same acceleration signal processing algorithm are adopted to obtain the breathing depth and the breathing frequency of a human body, so that the device can avoid interference generated by movement of the human body during breathing measurement, therefore, the device and the method capable of realizing real-time high-precision measurement of the breathing depth and the breathing frequency of the human body are obtained, and the problems that the existing breathing frequency monitoring is lack of real-time performance, the precision is greatly influenced by the motion state of the human body, and the breathing depth is lack of the device and the method for measuring the breathing depth are solved.
Owner:XI AN JIAOTONG UNIV
Conversation table capable of detecting and displaying respiratory rate and heart rate in real time in non-contact manner
The invention discloses a conversation table capable of detecting and displaying respiratory rate and heart rate in real time in a non-contact manner, which comprises a conversation table, a microwave radar, a display screen, a network module, a POE power supply module and an application platform. Theconversation table can be applied to conversation places with non-invasive physical sign monitoring and higher real-time requirements. Through theheart rate radar, non-contact heart rate and respiratory rate monitoring is achieved, multiple purposes are achieved through one table, no extra equipment needs to be added, and cost is saved; in addition, the device can be applied to application places such as psychological counseling; besides, the heart rate radar used reaches the accuracy of a medical level, has the characteristics of high sensitivity and low power, has a detection range of 0-2 m, allows body movement of a certain amplitude compared with other contact type physical sign monitoring office tables, avoids limb contact, has far weaker microwave radar radiation than a mobile phone signal, is harmless to a human body, and can realize real-time and continuous monitoring of the changes of the heart rate and the respiratory rate.
Owner:中共黔南自治州纪律检查委员会
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