CN113662519A - Non-contact heart and lung monitor and heart and lung monitoring system - Google Patents
Non-contact heart and lung monitor and heart and lung monitoring system Download PDFInfo
- Publication number
- CN113662519A CN113662519A CN202110979327.8A CN202110979327A CN113662519A CN 113662519 A CN113662519 A CN 113662519A CN 202110979327 A CN202110979327 A CN 202110979327A CN 113662519 A CN113662519 A CN 113662519A
- Authority
- CN
- China
- Prior art keywords
- heart
- sound
- lung
- monitoring
- rate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4803—Speech analysis specially adapted for diagnostic purposes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7225—Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B7/00—Instruments for auscultation
- A61B7/003—Detecting lung or respiration noise
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B7/00—Instruments for auscultation
- A61B7/02—Stethoscopes
- A61B7/04—Electric stethoscopes
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Biophysics (AREA)
- Physiology (AREA)
- Signal Processing (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Cardiology (AREA)
- Pulmonology (AREA)
- Psychiatry (AREA)
- Acoustics & Sound (AREA)
- Artificial Intelligence (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Power Engineering (AREA)
- Radiology & Medical Imaging (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a non-contact heart-lung monitor and a heart-lung monitoring system, which can monitor heart and lung without the operation of medical staff, is convenient to use, is convenient to monitor a large number of patients and can reduce infection risk, and the heart-lung monitor and the heart-lung monitoring system comprise an instrument body, wherein a heart rate and respiration rate monitoring device and a detachable heart sound and lung sound monitoring device are integrated in the instrument body, the heart rate and respiration rate monitoring device is used for detecting the heart rate and the respiration rate of a user, the heart sound and lung sound monitoring device is used for detecting heart sound and lung sound, the heart rate and respiration rate monitoring device and the heart sound and lung sound monitoring device are connected with external terminal equipment through a communication module, and the heart-lung monitoring system comprises a heart rate and respiration rate monitoring system and a heart sound and lung sound monitoring system.
Description
Technical Field
The invention relates to the technical field of health monitoring, in particular to a non-contact cardiopulmonary monitor and a cardiopulmonary monitoring system.
Background
The heart-lung parameters are used as main physiological indexes for measuring the basic state of vital signs, the daily effective monitoring of the vital signs is very important, the working intensity and the pressure of modern young people are very high, some diseases are also younger, people often neglect the physical health of the people, a large number of families are lack of daily health continuous monitoring equipment, and if some potential diseases cannot be discovered as soon as possible, serious risks are generated to the health. The modern society is also seriously aged, the problem of solitary old-age care for the old is prominent, the old is often accompanied by some potential cardiopulmonary diseases, the old also needs to carry out daily regular monitoring on the body health, some families can purchase related monitoring equipment, but the problems of poor wearing comfort, inconvenient monitoring operation and the like cause that some equipment has low use probability and cannot play the due monitoring function.
Traditional cardiopulmonary function monitoring often adopts ECG monitor, ear-hanging stethoscope etc. and these instruments are split type structure, and the equipment that is used for different items such as heart sound, lung sound, rhythm of the heart, pulmonary rate to detect is independent instrument separately, often needs medical personnel's multiple operation, uses comparatively complicacy, and wears the comfort level not good. Particularly, when serious infectious diseases are faced, medical staff face to monitoring operation of a large number of patients every day, the contact frequency between the medical staff and the patients is increased, and the infection risk is increased.
Disclosure of Invention
The invention provides a non-contact heart-lung monitor, which is high in integration level, simple in monitoring operation, convenient to use, convenient to monitor a large number of patients and capable of reducing infection risks, and aims to solve the problems that an electrocardiogram monitor, an ear-hung stethoscope and the like for monitoring heart-lung functions in the prior art are complex in use, inconvenient to use, required to be operated by medical workers and easy to increase the risk of contact infection.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a non-contact cardiopulmonary monitoring instrument, its includes the instrument body, this internal integration of instrument has heart rate respiratory rate monitoring devices, heart rate respiratory rate monitoring devices is used for detecting user's heart rate and respiratory rate, its characterized in that, and it still integrates detachable heart sound lung sound monitoring devices, heart sound lung sound monitoring devices is used for detecting heart sound and lung sound, heart rate respiratory rate monitoring devices, heart sound lung sound monitoring devices pass through communication module and are connected with external terminal equipment.
It is further characterized in that the method further comprises the steps of,
the heart sound and lung sound monitoring device is embedded in the instrument body;
a heart rate and respiration rate monitoring system is integrated in the heart rate and respiration rate monitoring device;
a heart sound and lung sound monitoring system is integrated in the heart sound and lung sound monitoring device;
the heart sound and lung sound monitoring device is also used for detecting snore.
The utility model provides a be used for heart and lung monitoring system of non-contact heart and lung monitor, heart and lung monitoring system includes heart rate respiratory rate monitoring system, a serial communication port, heart rate respiratory rate monitoring system includes first controller, biological radar, front end processing circuit, first data processor, communication module, power module, biological radar electricity connection in proper order front end processing circuit, first data processor, first controller, communication module with first main control unit electricity is connected, power module is used for main control unit, communication module, biological radar power supply, biological radar is used for gathering user's heart rate and respiratory rate, front end processing circuit, first data processor are right in proper order heart rate, respiratory rate are handled the back, send for first controller, communication module includes first communication unit, first communication unit, And the first communication unit is used for sending the processed heart rate and respiratory rate to external terminal equipment, and the second communication unit is used for connecting the first main controller with the heart sound and lung sound monitoring device in a communication manner.
It is further characterized in that the method further comprises the steps of,
the biological radar is an ultra wide band radar, a continuous wave radar or an FMCW radar;
the heart rate and respiration rate monitoring system further comprises a storage module, wherein the storage module is used for storing and recording data generated in an off-line state or in a poor network environment, and when the network state is recovered, the stored and recorded data are sent to the external terminal equipment through the first communication unit;
the heart rate and respiration rate monitoring system further comprises an indicator light, the indicator light is electrically connected with the first controller, and the indicator light is used for indicating the network connection state and the Bluetooth connection state;
the external terminal comprises a system platform or a mobile phone, the system platform comprises a human-computer interaction interface, and a monitoring APP is installed in the mobile phone;
the first communication unit comprises 4G/5G communication or WIFI communication;
the second communication unit is a Bluetooth device.
The cardiopulmonary monitoring system comprises a cardiopulmonary sound monitoring system and is characterized in that the cardiopulmonary sound monitoring system comprises a second controller, a microphone, a second communication unit, a second data processor and a key, the microphone is electrically connected with the preamplifier circuit, the second data processor and the second controller in sequence, the microphone is used for collecting the cardiopulmonary sound and the pulmonary sound, the preamplifier circuit and the second data processor amplify and process the collected cardiopulmonary sound and pulmonary sound signals in sequence and then send the signals to the second controller, and the second controller is in communication connection with the cardiopulmonary sound monitoring system through the second communication unit; the heart sound and lung sound monitoring system further comprises a key, the key is electrically connected with the second controller, and the key is used for controlling different functional modes of the heart sound and lung sound monitoring device.
It is further characterized in that the method further comprises the steps of,
the microphone is also used for collecting the snore;
the heart sound and lung sound monitoring system further comprises a post-amplification circuit and a second filter circuit, the second filter circuit is respectively and electrically connected with the second data processor and the post-amplification circuit, the second filter circuit and the post-amplification circuit sequentially filter and secondarily amplify the heart sound, the lung sound and the snoring sound processed by the second data processor, and the secondarily amplified heart sound, the lung sound and the snoring sound are sent to the heart rate and respiration rate monitoring system through the second communication unit;
the heart sound and lung sound monitoring system further comprises a breathing lamp, the breathing lamp is electrically connected with the second controller, and the breathing lamp is used for displaying different working frequency states; the working frequency state comprises a heart sound mode, a breathing mode and a Bluetooth disconnection mode;
the button includes four, the functional mode includes that heart sound monitoring function, lung sound monitoring function, snore monitoring function, bluetooth pair, four buttons respectively with the second controller is connected, is used for right heart sound monitoring function, lung sound monitoring function, snore monitoring function, bluetooth pair open or close.
A heart rate and respiration rate monitoring method using the non-contact heart lung monitor and the heart rate and respiration rate monitoring system, the method comprising:
a1, acquiring heart rate and respiratory rate;
a2, processing the heart rate and the respiratory rate, and sending the processed heart rate and respiratory rate to the first controller;
a3, sending the processed heart rate and respiratory rate to external terminal equipment;
a4, the user obtains the heart rate and the breathing rate through the external terminal equipment.
It is further characterized in that the method further comprises the steps of,
in the step A1, acquiring the micro-motion signals of the body surface of the heart and the lung through the biological radar;
in step a2, the heart rate and the respiratory rate are sequentially processed by the front-end processing circuit and the first data processor;
in step a3, the processed heart rate and respiratory rate are sent to an external terminal device through the first communication unit.
A heart sound and lung sound monitoring method, which applies the non-contact heart and lung monitor and the heart sound and lung sound monitoring system, is characterized in that the method comprises the following steps:
b1, selecting a corresponding functional mode;
b2, placing the heart sound and lung sound monitoring device at a corresponding position of the body according to the selected functional mode (the position refers to the heart and lung of the body);
b3, collecting the heart sound and the lung sound;
b4, amplifying and processing the heart sound, the lung sound and/or the snoring sound;
b5, sending the processed heart sounds, lung sounds and/or snoring sounds to the second controller;
b6, sending the heart sounds, the lung sounds and/or the snore sounds to the first controller, and sending the heart sounds, the lung sounds and/or the snore sounds to an external terminal device by the first controller.
It is further characterized in that the method further comprises the steps of,
in step B1, selecting a corresponding function mode through the key;
in step B3, the heart sounds, lung sounds and/or snoring sounds are collected by the microphone;
in step B4, the heart sounds, lung sounds and/or snoring sounds are sequentially amplified and processed by the preamplifier circuit and the second data processor;
in step B5, the processed heart sounds, lung sounds and/or snoring sounds are sent to the second controller through the second communication unit;
in step B6, the second controller sends the processed heart sounds, lung sounds and/or snoring sounds to the first controller via the second communication unit, and the first controller sends the heart sounds, lung sounds and/or snoring sounds to the external terminal device via the first communication unit.
In steps B5 and B6, the second controller sends the processed heart sound, lung sound and/or snoring sound to the first controller through a Bluetooth device; and the first controller sends the processed heart sound, lung sound and/or snoring sound to the external terminal equipment through 4G/5G communication or WIFI communication.
By adopting the structure of the invention, the following beneficial effects can be achieved: the present application integrates at least two devices for cardiac, pulmonary monitoring: heart rate respiratory rate monitoring devices, heart sound lung sound monitoring devices, heart rate respiratory rate monitoring devices is used for detecting user's rhythm of the heart, the respiratory rate, heart sound lung sound monitoring devices is used for detecting user's heart sound, the lung sound, therefore, the monitoring of rhythm of the heart and respiratory rate has not only been realized through this heart and lung monitor, and heart sound has been realized, the real-time supervision of lung sound, compare in current adoption independent ECG monitor, the mode of monitoring user's cardiopulmonary is carried out such as ear-hang stethoscope, heart sound respiratory rate monitoring devices is with heart sound lung sound monitoring devices to this application cardiopulmonary monitor, heart sound lung sound monitoring devices is integrated in same instrument, the degree of integrating has not only been improved, and monitoring operation is simple swift, convenient to use. Compare in current only through rhythm of the heart, respiratory rate to heart, lung monitor the mode, this application carries out integrated analysis, monitoring through a plurality of dimension data such as rhythm of the heart, respiratory rate, heart sound and lung sound, and the monitoring rate of accuracy is showing and is improving.
Adopt this heart and lung monitor to carry out heart and lung monitoring time measuring, need not to be connected with the help of the operation of the other person, heart rate respiratory rate monitoring devices, heart sound lung sound monitoring devices pass through communication module and external terminal equipment, consequently, user or monitoring person can long-rangely acquire user's heart and lung relevant information through external terminal equipment to realized non-contact monitoring, convenient to use, and be convenient for monitor a large amount of patients, reduced the infection risk.
Drawings
FIG. 1 is a schematic front view of a non-contact cardiopulmonary monitor according to the present invention;
FIG. 2 is a schematic diagram of a rear view of the non-contact cardiopulmonary monitor of the present invention;
FIG. 3 is a schematic view of a structure of a heart sound and lung sound monitoring device according to the present invention;
FIG. 4 is a block diagram of a system configuration of the cardiopulmonary monitoring system of the present invention;
FIG. 5 is a flow chart of a method of heart rate and respiration rate monitoring according to the present invention;
FIG. 6 is a flow chart of a method for monitoring heart sounds and lung sounds according to the present invention;
FIG. 7 is a circuit schematic of a front-end processing circuit or preamplifier of the present invention;
FIG. 8 is a circuit schematic of the power module of the present invention;
FIG. 9 is a circuit schematic of the filter circuit of the present invention;
FIG. 10 is a circuit schematic of the post-amplifier circuit of the present invention;
fig. 11 is a waveform diagram of a heart-lung monitoring system of the present invention before and after processing of a heart-lung signal.
Detailed Description
See fig. 1, fig. 2, fig. 3, a non-contact cardiopulmonary monitor, it includes instrument body 1, the integration has heart rate respiratory rate monitoring devices in the instrument body 1, detachable heart sound lung sound monitoring devices 2, heart sound lung sound monitoring devices 2 inlays and installs in the 1 rear end of instrument body, the rear end of instrument body 1 is opened has the recess that matches with 2 shapes of heart sound lung sound monitoring devices in this embodiment, the recess bottom, the corresponding magnetism that installs in heart sound lung sound monitoring devices bottom adsorbs the charging head, heart sound lung sound monitoring devices 2 adsorbs through magnetism and is fixed in the recess, when not using heart sound lung sound monitoring devices 2, prevented that heart sound lung sound monitoring devices 2 from falling out in the instrument body 1, magnetism adsorbs charging head 2 and is connected with the battery electricity in the heart sound lung sound monitoring devices 2 simultaneously. Heart rate respiratory rate monitoring devices is used for detecting user's rhythm of the heart and respiratory rate, and heart sound lung sound monitoring devices 2 is used for detecting heart sound, lung sound and snore sound, and integrated heart-lung monitoring system in this heart-lung monitor, heart-lung monitoring system pass through communication module and are connected with external terminal equipment, and external terminal equipment is the system platform in cell-phone and the computer in this embodiment, and the front end of instrument body 1 is provided with on & off switch 3, warning light 4.
Referring to fig. 4, a cardiopulmonary monitoring system for the above-mentioned non-contact cardiopulmonary monitor, the cardiopulmonary monitoring system includes a heart rate and respiration rate monitoring system 5, the heart rate and respiration rate monitoring system 5 includes a first controller (indicated by MCU1 in fig. 4) 51, a biological radar 52, a front-end processing circuit 53, a first data processor (indicated by DSP1 in fig. 4) 54, a storage module 55, an indicator lamp 4, a communication module, and a power module 56, and the biological radar 52 is electrically connected to the front-end processing circuit 53, the first data processor 54, and the first controller 51 in turn. The power module 56 is used for supplying power to the main controller 51, the communication module and the biological radar 52. The biological radar 52 is used for acquiring the heart rate and the respiration rate of a user, the front-end processing circuit 53 and the first data processor 54 sequentially process the heart rate and the respiration rate and then send the processed heart rate and the respiration rate to the first controller 51, the communication module comprises a first communication unit 57 and a second communication unit 58 (the second communication unit is a bluetooth device), the first communication unit is used for sending the processed heart rate and the respiration rate to the mobile phone and the system platform 59, the second communication unit is used for connecting the first main controller 51 and the heart sound and lung sound monitoring system in a communication manner, in the embodiment, the biological radar 52 can be an ultra wide band radar (the ultra wide band radar is a radar with a fractional bandwidth FBW of a transmission signal larger than 0.25), a continuous wave radar or an FMCW radar, the biological radar can transmit electromagnetic waves according to a certain direction angle, the electromagnetic waves penetrate through a certain medium (such as a cavity, a floor, air, clothes and the like) and then are reflected back after contacting the living body, the echo has the heartbeat of the life body, breathe and signal such as body movement, consequently, the micro-motion signal that human heartbeat, breathing arouse is caught to biological radar's effect, and first communication unit is 4G/5G communication or WIFI communication, and the second communication unit is bluetooth communication of bluetooth equipment, and bluetooth equipment is used for audio data's transmission.
In this embodiment, the first controller 51 is configured to control each module, the model of the first controller 51 is STM32F401, and is configured to control the first data processor to perform result acquisition such as heart rate and respiratory rate, control the bluetooth device to connect and acquire audio data, control communication between 4G/5G communication or WIFI communication and a background server of an external terminal device (a background server of a system platform and a background server of a mobile phone), and control the storage module to store and read monitoring data during a network outage.
Referring to fig. 7, the front-end processing circuit 53 is used for filtering and amplifying the acquired heart rate and respiratory rate, the front-end processing circuit 53 includes amplifiers U2, U3, U4 and U5, a forward input terminal of the amplifier U2 is connected to a capacitor C5 and a resistor R6 in parallel, and is connected to a RADAR port (i.e., a bus output port) of the biological RADAR through a capacitor C5, and is connected to an inverting input terminal and an output terminal of the amplifier U5 through a resistor R6, a forward input terminal of the amplifier U3 is connected to a capacitor C9 and a resistor R10 in parallel, and is connected to an output terminal of the amplifier U2 through a capacitor C3, an inverting input terminal of the amplifier U3 is connected to resistors R1 and R2 in parallel, and is connected to an output terminal of the amplifier U1 through a resistor R1, a forward input terminal of the amplifier U1 is connected to a capacitor C1, a reference voltage VREF, and an output terminal of the amplifier U1 is connected to a capacitor C1 in parallel, R9 is connected with the positive input end of an amplifier U4, the positive input end of an amplifier U4 is also connected with a capacitor C11, the negative input end of the amplifier U4 is connected with resistors R3 and R4 which are connected in parallel, the output end of the amplifier U4 is connected through a resistor R4, the output end of an amplifier U4 is also connected with a resistor R8, a resistor R8 is connected with resistors R11 and C10 which are connected in parallel and an analog-to-digital conversion port ADC, and the front-end processing circuit 53 is connected with a data processing chip of the first data processor through the analog-to-digital conversion port ADC.
Referring to fig. 8, the power module is composed of a power supply BT1, a power management chip U20 and peripheral circuits thereof, main power supply voltages are 3.3v (vldo) and 3.8v (vbus), and as the performance requirements of the biological radar and MEMS microphone processing circuits on the power supply are high, the power management chip U20 is used for reasonable power distribution and independent power supply isolation of the sensitive circuits, so that mutual interference is avoided, and adverse effects of noise on results are reduced. The model of the power management chip U20 is LTC3553, the peripheral circuit of the power management chip U20 includes capacitors C4, C5, C9, C10, resistors R2, R3, R4, R5, R6, R23, a key switch S1, and a light emitting diode D1, 5 pins of the power management chip U20 are connected with the power supply terminal of the biological radar and used for supplying power to the biological radar, and the power management chip U20 charges the battery in the heart sound and lung sound monitoring device 2 through a magnetic adsorption charging head.
The storage module 55 is used for storing and recording data generated in an offline state or in a poor network environment, and when the network state is recovered, the stored and recorded data is sent to the mobile phone and the system platform through the first communication unit for perfecting and correcting the data in the mobile phone and the system platform; meanwhile, the cardiopulmonary monitor can also download a new version to a storage module (memory) through 4G/5G communication or WIFI communication, and when the cardiopulmonary monitor is idle and sufficient in electric quantity, the system is automatically upgraded and updated. The indicator lamp 4 is electrically connected to the first controller 51, and the indicator lamp 4 is used for indicating a network connection status and a bluetooth connection status, for example, the indicator lamp flashes to indicate that the network is in a distribution network, and lights up to indicate that the network connection is normal.
A heart-lung monitoring system for the non-contact heart-lung monitor, the heart-lung monitoring system includes a heart-sound and lung-sound monitoring system 6, the heart-sound and lung-sound monitoring system includes a second controller (indicated by MCU2 in fig. 4) 61, a microphone 62, a second communication unit 58, a second data processor (indicated by DSP2 in fig. 4) 64, a preamplifier circuit 63, and a key, the microphone 62 is electrically connected to the preamplifier circuit 63, the second data processor 64, and the second controller 61 in sequence, the microphone 62 is used to collect heart sounds, lung sounds, and snoring sounds, the preamplifier circuit 63 and the second data processor 64 amplify and process the collected heart sounds and lung sound signals in sequence, and then send the amplified and processed signals to the second controller 61, and the second controller 61 is connected to the heart-rate and respiration-rate monitoring system 5 through the second communication unit 58; the keys are electrically connected with the second controller 61 and are used for controlling different functional modes of the heart sound and lung sound monitoring device 2. In this embodiment, the number of the keys is four, the function mode includes a heart sound monitoring function 31, a lung sound monitoring function 32, a snoring monitoring function 33, and a bluetooth pairing 34, and the four keys are respectively connected to the second controller 61, and are used for turning on or off the heart sound monitoring function 31, the lung sound monitoring function 32, the snoring monitoring function 33, and the bluetooth pairing 34.
In this embodiment, the second controller 61 is mainly used for controlling bluetooth communication and the second data processor 64, controlling connection and interruption of bluetooth devices, and controlling function selection of keys, and the like, the model of the second controller is gd32f103 in this embodiment, and the structure of the pre-amplifier circuit 63 is the same as that of the front-end processing circuit 53 in this embodiment, see fig. 7, and is used for filtering and amplifying heart sounds, lung sounds, and/or snoring sounds.
The heart sound and lung sound monitoring system 6 further comprises a post-amplification circuit 65 and a second filter circuit 66, the second filter circuit 66 is respectively and electrically connected with the second data processor 64 and the post-amplification circuit 65, the second filter circuit 66 and the post-amplification circuit 65 sequentially filter and secondarily amplify signals processed by the second data processor, and the secondarily amplified heart sound, lung sound and snoring sound are sent to a second controller 61 in the heart rate and respiration rate monitoring system through Bluetooth communication; the second filter circuit 66 mainly aims at further improving the signal-to-noise ratio, and IN order to reduce the overall output noise, it is necessary to reduce the input noise, reduce the distortion IN the signal transmission and amplification process, and reduce the noise generated by the circuit itself, IN this example, the second filter circuit 66 adopts a differential mode, effectively suppresses the common mode interference signal, and improves the signal-to-noise ratio, the electronic components and the connection structure thereof included IN the second filter circuit 66 are shown IN fig. 9, the second filter circuit 66 includes capacitors C62-C67, resistors R28-R35, its ports M1, M2 are used for connecting the data processing chip IN the second data processor, ports O1+, O1 are the sound signal testing ports before filtering, and ports IN1-, IN2 are used for connecting the post-amplification circuit 65, the second filter circuit 66 can effectively filter the low-frequency sound signals below 20Hz IN the sound signals such as heart sound, lung sound and snoring sound, direct current interference is reduced, and monitoring accuracy is further improved.
The post-amplifier circuit 65 includes electronic components and a connection structure of the electronic components as shown IN fig. 10, the post-amplifier circuit 65 includes an amplifier chip U8, capacitors C68-C73 connected to the amplifier chip U8, resistors R36-R40, and a diode D3, the specific model of the amplifier chip U8 is tap6100, a port IN1 IN the second filter circuit 66 is connected to pins 5, 6, 7, and 12 of the amplifier chip U8 through a resistor R36 and a capacitor C69, the port IN2 is connected to pin 4 of the amplifier chip U8, the sound signal filtered by the second filter circuit 66 enters the post-amplifier circuit 65 through ports IN1-, IN2-, and the post-amplifier circuit 65 amplifies two paths of differential inputs, and transmits the amplified signals to a data terminal or a bluetooth device through post-stage audio port O3+, O3-. The resistors R37 and R40 are pull-up resistors, the resistors R39 and R36 and the resistors R31 and R34 in the second filter circuit 66 respectively form voltage dividing resistors for voltage division, the ratio of the voltage division of the resistors R39 and R36 to the voltage division of the resistors R31 and R34 is the amplification factor of the amplification chip U8, the capacitors C69 and C73 are filter capacitors for preventing interference, the ports O3 and O3 are audio data interfaces for outputting amplified sound signals to audio interfaces or bluetooth devices, and the capacitor C71 is a low-pass filter capacitor for filtering noise, thereby further improving the monitoring accuracy of the cardiopulmonary detector.
The heart sound and lung sound monitoring system 6 further comprises a breathing lamp 67 and a battery 68, the breathing lamp 67 is electrically connected with the second controller, and the breathing lamp 67 is used for displaying different working frequency states; the operating frequency state includes heart sound mode, breathing mode, bluetooth disconnection mode, and breathing lamp flicker frequency shows heart sound mode soon, and the moderate breathing mode that shows of flicker frequency, breathing lamp constant show bluetooth disconnection mode. Battery 68 is arranged in for each module power supply among heart sound lung sound monitoring system 6, guarantees its normal work for each module provides 3.3V voltage, and the system platform includes human-computer interaction interface in this application, installs the monitoring APP in the cell-phone, and the monitoring person acquires heart rate, respiratory rate, heart sound and lung sound etc. through the human-computer interaction interface of system platform, and the user acquires health information such as heart rate, respiratory rate, heart sound and lung sound through the monitoring APP.
Referring to fig. 5, a heart rate and respiration rate monitoring method applies a non-contact heart and lung monitor and a heart rate and respiration rate monitoring system, before monitoring, the non-contact heart and lung monitor is placed on a bed head, the monitor is aligned with the upper half of a human body, and the heart and lung monitor can work by turning on an on-off key.
The monitoring method comprises the following steps: a1, acquiring body surface micro-motion signals of the heart and the lung through a biological radar 52 to acquire the heart rate and the respiratory rate;
a2, the heart rate and the respiration rate are processed in sequence by the front-end processing circuit 53 and the first data processor 54, and then sent to the first controller 51. A first filter circuit, an amplifying circuit and an analog-to-digital conversion circuit in the front-end processing circuit 53 sequentially filter, amplify and perform analog-to-digital conversion on the acquired heart rate and respiratory rate, the first filter circuit filters noise in signals and improves the signal-to-noise ratio of useful signals, and analog heart rate and respiratory rate signals are converted into digital signals through analog-to-digital conversion so as to be processed by a subsequent circuit; synthesizing the heart rate and respiration rate signals after the analog-digital conversion by using a first data processor to obtain a spatial amplitude intensity signal reflecting environmental information, preprocessing the spatial amplitude intensity signal, removing a background to obtain an effective respiration heartbeat signal and a high-frequency noise signal, positioning an effective distance interval by using the spatial distribution of the respiration heartbeat signal, extracting noise energy in the effective interval in the effective distance interval, and evaluating whether the body moves according to the noise energy; extracting respiration rate, and evaluating whether the patient is unmanned; and extracting time domain waveform morphological characteristics and frequency domain frequency band energy ratio, evaluating whether the signals are effective physiological signals which can be used for calculating the respiration rate and the heart rate, if so, utilizing spectrum estimation to position peak values in the characteristic frequency bands of the respiration rate and the heart rate, thereby determining the respiration rate and the heart rate, and if not, outputting an undetermined identification state of the signals.
A3, sending the processed heart rate and respiratory rate to a mobile phone and a system platform through 4G/5G communication or WIFI communication;
a4, the monitored person obtains the heart rate and the respiratory rate of the monitored person in real time through the system platform, and the monitored person or the family and the nursing staff obtain the heart rate and the respiratory rate in real time through the monitoring APP of the mobile phone.
See fig. 6, a heart sound, lung sound monitoring method, the method has applied non-contact cardiopulmonary monitor and heart sound and lung sound monitoring system, when needing to monitor heart sound, lung sound, the user only needs to take out the heart sound and lung sound monitoring devices that the cardiopulmonary monitor rear end inlays the dress, and place and can monitor in the corresponding position of human body, when heart sound and lung sound monitoring devices takes out from the back lid, automatically with the bluetooth that binds connect, the monitoring method includes:
b1, selecting the corresponding function mode through a key; the four buttons are respectively connected with the second controller 61 and used for turning on or off the heart sound monitoring function 31, the lung sound monitoring function 32, the snoring monitoring function 33 and the Bluetooth pairing 34;
b2, placing the heart sound and lung sound monitoring device at the corresponding organ position of the body according to the selected function mode;
b3, heart sound and lung sound are collected through a microphone, the heart sound and lung sound monitoring device can also be used for sleep monitoring, during monitoring, the heart sound and lung sound monitoring device is placed at a pillow, the microphone is connected to collect the snoring sound all night, and the sleep quality of a user is evaluated through the snoring sound.
B4, amplifying and analyzing the heart sound, the lung sound and the snoring sound in sequence through a pre-amplifying circuit and a second data processor; fig. 11 shows waveforms of the heart sound and lung sound monitoring system before and after processing the heart sound signals, in fig. 11, the abscissa represents time, and the ordinate represents sound amplitude, and it can be seen from the diagram that after the heart sound signals are processed by the preamplifier circuit and the second data processor, interference signals in the heart sound signals are effectively filtered, so that large and small signals in the heart sound signals can be clearly distinguished, and the signal-to-noise ratio is obviously improved. In the embodiment, the second data processor is used for processing snore, and the snore is used for sleep quality evaluation to obtain the sleep quality of a user; sleep quality is assessed by counting the duration of each snore, the overall night's snoring frequency, and the respiratory disturbance index (AHI), which includes the Apnea Index (AI) and the Hypopnea Index (HI), where typically an apnea is defined as a disappearance of airflow exceeding 10 seconds and accompanied by hypoxemia, and a diminution of airflow is defined as hypopnea, e.g., in 7 hours of sleep per night, the Apnea Index (AI) is the overall night's apnea times divided by 7 hours, the Hypopnea Index (HI) is the overall night's hypopnea times divided by 7 hours, and the respiratory disturbance index is the sum of the apnea index and the hypopnea index. The sleep quality is evaluated through a plurality of characteristics such as the duration of each snore, the snore frequency all night and the breathing disorder index (AHI), and the accuracy of the sleep quality evaluation is improved.
B5, sending the processed heart sound, lung sound and snoring sound to a second controller, and sending the processed heart sound, lung sound and snoring sound to a first controller by the second controller through Bluetooth equipment;
b6, the first controller sends the processed heart sound, lung sound or snoring sound to a mobile phone or a remote system platform through 4G/5G communication or WIFI communication, the heart rate, respiratory rate, heart sound, lung sound and snoring sound data are processed systematically and analyzed in big data through the mobile phone or the system platform, health risk assessment is carried out according to the heart rate, respiratory rate, heart sound, lung sound and other multidimensional information, when any one of the heart rate, respiratory rate, heart sound or lung sound of a user or a patient is detected to be abnormal, the user health is indicated to have medium risk, when two or more of the heart rate, respiratory rate, heart sound or lung sound of the user or the patient are detected to be abnormal, the user health is indicated to have high risk, and therefore preliminary diagnosis of the user health is achieved, and the user is reminded to seek medical advice in time.
The cardiopulmonary monitor also has the following advantages: (1) the function is many, easy operation, this application has multiple functions, not only can monitor rhythm of the heart and respiratory rate, but also can monitor heart sound and lung sound, can also monitor user's the condition of snoring to sleep night, through the rhythm of the heart, respiratory rate, heart sound, lung sound and sleep quality multidimension degree data analysis statistics, health judgement accuracy has been improved, user has been satisfied through this heart lung monitor to healthy continuous monitoring and management, only need place in the head of a bed, the radar is towards human alright work, high operation safety and convenient use.
(2) The constraint is little, experience is comfortable, and this heart and lung monitor is different from traditional monitoring facilities, does not have any cable constraint when using it to last monitoring rhythm of the heart, respiratory rate, snore, and monitoring heart sound and lung sound then only need short operation, does not have the influence to user experience.
(3) Judge accurate, the effect is directly perceived, and this heart lung monitor includes heart rate respiratory rate monitoring devices and heart sound lung sound monitoring devices, consequently contains dual detection mode, and the accuracy of judging reaches ninety-nine percent. The user can browse the health condition of oneself in cell-phone monitoring APP, including sleep quality, heartbeat frequency, respiratory rate, apnea number of times, heart sound, lung sound etc. have a better understanding to the healthy condition of oneself, help the user in time to adjust the action habit of oneself.
(4) The heart and lung monitoring instrument realizes physical signs monitoring such as heart rate and respiratory rate, sound information of the heart and the lung contains a large amount of physiological information, and has important clinical diagnosis value.
The heart and the lung are monitored by various dimensions such as heart rate, respiration rate, heart sound, lung sound, sleep quality and the like without the help of operation of outsiders, and non-contact monitoring is realized. Under the networking state, data analyzed by the heart and lung monitor, such as heart rate, respiratory rate, heart sound, lung sound and sleep quality (the sleep quality is obtained through snore sound analysis) are uploaded to a background server in real time through a communication module (4G/5G communication or WIFI communication), so that a user can download and obtain detailed data and change curves of the heart rate, the lung rate, the heart sound, the lung sound evaluation result, the sleep activity of the user, and an example of the heart sound signal change curve obtained by the heart and lung monitor is shown in fig. 11. And the user can also control the cardiopulmonary monitor through the communication module through the cell-phone monitoring APP, and the human-computer interaction functions such as bed-leaving early warning control are accomplished. The heart and lung monitor is suitable for being placed at home for long-term monitoring, and continuously pays attention to the health. Particularly, at present when the new crown epidemic situation is outbreak, the invention can be used in hospitals with deficient medical resources or high risk to effectively monitor the illness state of patients, prevent the patients from being serious from mild symptoms, reduce frequent contact of medical care personnel and reduce the infection risk.
The above is only a preferred embodiment of the present application, and the present invention is not limited to the above embodiments. It is to be understood that other modifications and variations directly derived or suggested to those skilled in the art without departing from the spirit and scope of the invention are to be considered as included within the scope of the invention.
Claims (10)
1. The utility model provides a non-contact cardiopulmonary monitoring instrument, its includes the instrument body, this internal integration of instrument has heart rate respiratory rate monitoring devices, heart rate respiratory rate monitoring devices is used for detecting user's heart rate and respiratory rate, its characterized in that, and it still integrates detachable heart sound lung sound monitoring devices, heart sound lung sound monitoring devices is used for detecting heart sound and lung sound, heart rate respiratory rate monitoring devices, heart sound lung sound monitoring devices pass through communication module and are connected with external terminal equipment.
2. The non-contact cardiopulmonary monitor of claim 1, wherein the cardiopulmonary sound monitoring device is embedded in the apparatus body.
3. The non-contact cardiopulmonary monitor of claim 2, wherein the heart rate respiration rate monitoring device incorporates a heart rate respiration rate monitoring system; a heart sound and lung sound monitoring system is integrated in the heart sound and lung sound monitoring device; the heart sound and lung sound monitoring device is also used for detecting snore.
4. A cardiopulmonary monitoring system applied to the cardiopulmonary monitoring instrument of claim 1 or 3, the cardiopulmonary monitoring system comprises a heart rate and respiration rate monitoring system, the heart rate and respiration rate monitoring system comprises a first controller, a biological radar, a front-end processing circuit, a first data processor, a communication module and a power module, the biological radar is electrically connected with the front-end processing circuit, the first data processor and the first controller in turn, the communication module is electrically connected with the first main controller, the power module is used for supplying power to the main controller, the communication module and the biological radar, the biological radar is used for collecting the heart rate and respiration rate of a user, the front-end processing circuit and the first data processor are used for processing the heart rate and the respiration rate in turn and then sending the processed heart rate and respiration rate to the first controller, the communication module comprises a first communication unit and a second communication unit, the first communication unit is used for sending the processed heart rate and respiratory rate to external terminal equipment, and the second communication unit is used for connecting the first main controller with the heart sound and lung sound monitoring device in a communication mode.
5. The cardiopulmonary monitoring system of claim 4 wherein the biological radar is an ultra-wideband radar, a continuous wave radar, or an FMCW radar.
6. The cardiopulmonary monitoring system of claim 5, further comprising a storage module and an indicator light, wherein the storage module is used for storing and recording data generated in an offline state or in a poor network environment, and when the network state is recovered, the stored and recorded data is sent to the external terminal device through the first communication unit; the indicator light is electrically connected with the first controller and used for indicating the network connection state and the Bluetooth connection state.
7. The cardiopulmonary monitoring system of claim 6, wherein the external terminal comprises a system platform or a mobile phone, the system platform comprises a human-computer interaction interface, and a monitoring APP is installed in the mobile phone; the first communication unit comprises 4G/5G communication or WIFI communication.
8. A cardiopulmonary monitoring system applied to the cardiopulmonary monitoring instrument of claim 1, 2, 3 or 7, wherein the cardiopulmonary monitoring system comprises the cardiopulmonary monitoring system, and the cardiopulmonary monitoring system comprises a second controller, a microphone, a second communication unit, a second data processor and a key, the microphone is electrically connected with a preamplifier circuit, the second data processor and the second controller in sequence, the microphone is used for collecting the heart sounds and the lung sounds, the preamplifier circuit and the second data processor amplify and process the collected heart sounds and lung sound signals in sequence and then send the amplified and processed signals to the second controller, and the second controller is in communication connection with the heart rate and respiratory rate monitoring system through the second communication unit; the heart sound and lung sound monitoring system further comprises a key, the key is electrically connected with the second controller, and the key is used for controlling different functional modes of the heart sound and lung sound monitoring device.
9. The cardiopulmonary monitoring system of claim 8 wherein the microphone is further configured to collect the snoring sounds; the heart sound and lung sound monitoring system further comprises a post-amplification circuit and a second filter circuit, the second filter circuit is respectively electrically connected with the second data processor and the post-amplification circuit, the second filter circuit and the post-amplification circuit sequentially filter and amplify the heart sound, the lung sound and the snoring sound processed by the second data processor, and the heart sound, the lung sound and the snoring sound after secondary amplification are sent to the heart rate and respiratory rate monitoring system through the second communication unit.
10. The cardiopulmonary monitoring system of claim 9 further comprising a breath light electrically connected to the second controller, the breath light configured to display different operating frequency states; the working frequency state comprises a heart sound mode, a breathing mode and a Bluetooth disconnection mode; the button includes four, the functional mode includes that heart sound monitoring function, lung sound monitoring function, snore monitoring function, bluetooth pair, four buttons respectively with the second controller is connected, and with heart sound monitoring function, lung sound monitoring function, snore monitoring function, bluetooth pair one-to-one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110979327.8A CN113662519A (en) | 2021-08-25 | 2021-08-25 | Non-contact heart and lung monitor and heart and lung monitoring system |
| PCT/CN2021/130291 WO2023024270A1 (en) | 2021-08-25 | 2021-11-12 | Non-contact cardiopulmonary monitor and cardiopulmonary monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110979327.8A CN113662519A (en) | 2021-08-25 | 2021-08-25 | Non-contact heart and lung monitor and heart and lung monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113662519A true CN113662519A (en) | 2021-11-19 |
Family
ID=78545944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110979327.8A Pending CN113662519A (en) | 2021-08-25 | 2021-08-25 | Non-contact heart and lung monitor and heart and lung monitoring system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113662519A (en) |
| WO (1) | WO2023024270A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114587347A (en) * | 2022-03-25 | 2022-06-07 | 深圳市华屹医疗科技有限公司 | Lung function detection method, system, device, computer equipment and storage medium |
| WO2024093829A1 (en) * | 2022-10-31 | 2024-05-10 | 歌尔科技有限公司 | Terminal device control method and apparatus, terminal device, and medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120184825A1 (en) * | 2011-01-17 | 2012-07-19 | Meir Ben David | Method for detecting and analyzing sleep-related apnea, hypopnea, body movements, and snoring with non-contact device |
| US20140194793A1 (en) * | 2010-05-14 | 2014-07-10 | Kai Medical, Inc. | Systems and methods for non-contact multiparameter vital signs monitoring, apnea therapy, apnea diagnosis, and snore therapy |
| CN105962890A (en) * | 2015-12-06 | 2016-09-28 | 宣建民 | Sleep monitor |
| CN106264501A (en) * | 2016-10-13 | 2017-01-04 | 杭州电子科技大学 | A kind of bio-signal acquisition system based on continuous wave Doppler radar |
| US20190099156A1 (en) * | 2016-03-28 | 2019-04-04 | Robert Bosch Gmbh | Sonar-Based Contactless Vital and Environmental Monitoring System and Method |
| CN111904458A (en) * | 2020-08-27 | 2020-11-10 | 广东汉泓医疗科技有限公司 | Cardiopulmonary sound auscultation detector assisting in accurate auscultation, auscultation system and auscultation method |
| WO2020252317A1 (en) * | 2019-06-12 | 2020-12-17 | Kadidal Sushir | Portable health monitoring apparatus, system, and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3057438B2 (en) * | 1998-09-11 | 2000-06-26 | 日本アビオニクス株式会社 | Non-contact cardiopulmonary function monitoring device |
| GB0118728D0 (en) * | 2001-07-31 | 2001-09-26 | Univ Belfast | Monitoring device |
| CN102078201A (en) * | 2010-07-28 | 2011-06-01 | 上海理工大学 | Portable wireless electronic stethoscope |
| CN109646042A (en) * | 2019-01-29 | 2019-04-19 | 电子科技大学 | A kind of wearable heart sound and lungs sound monitoring device based on piezoelectric transducer |
| CN111870273A (en) * | 2020-07-13 | 2020-11-03 | 中国人民解放军联勤保障部队第九二〇医院 | Remote lung sound monitoring device, system and method |
-
2021
- 2021-08-25 CN CN202110979327.8A patent/CN113662519A/en active Pending
- 2021-11-12 WO PCT/CN2021/130291 patent/WO2023024270A1/en unknown
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140194793A1 (en) * | 2010-05-14 | 2014-07-10 | Kai Medical, Inc. | Systems and methods for non-contact multiparameter vital signs monitoring, apnea therapy, apnea diagnosis, and snore therapy |
| US20120184825A1 (en) * | 2011-01-17 | 2012-07-19 | Meir Ben David | Method for detecting and analyzing sleep-related apnea, hypopnea, body movements, and snoring with non-contact device |
| CN105962890A (en) * | 2015-12-06 | 2016-09-28 | 宣建民 | Sleep monitor |
| US20190099156A1 (en) * | 2016-03-28 | 2019-04-04 | Robert Bosch Gmbh | Sonar-Based Contactless Vital and Environmental Monitoring System and Method |
| CN106264501A (en) * | 2016-10-13 | 2017-01-04 | 杭州电子科技大学 | A kind of bio-signal acquisition system based on continuous wave Doppler radar |
| WO2020252317A1 (en) * | 2019-06-12 | 2020-12-17 | Kadidal Sushir | Portable health monitoring apparatus, system, and method |
| CN111904458A (en) * | 2020-08-27 | 2020-11-10 | 广东汉泓医疗科技有限公司 | Cardiopulmonary sound auscultation detector assisting in accurate auscultation, auscultation system and auscultation method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114587347A (en) * | 2022-03-25 | 2022-06-07 | 深圳市华屹医疗科技有限公司 | Lung function detection method, system, device, computer equipment and storage medium |
| WO2024093829A1 (en) * | 2022-10-31 | 2024-05-10 | 歌尔科技有限公司 | Terminal device control method and apparatus, terminal device, and medium |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023024270A1 (en) | 2023-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106937808B (en) | Data acquisition system of intelligent mattress | |
| CN105286909A (en) | Wearable heart sound and electrocardio feature information collecting and monitoring system | |
| GB2454960A (en) | Data recording for patient status analysis | |
| CN111973151B (en) | Infectious disease monitoring system and method based on wearable intelligent bandage | |
| CN102579020A (en) | Respiration and heartbeat monitoring system based on piezoelectric cable sensor | |
| CN208709857U (en) | A kind of apnea detection system | |
| WO2023024270A1 (en) | Non-contact cardiopulmonary monitor and cardiopulmonary monitoring system | |
| CN113633260B (en) | Polysomnography, computer equipment and readable storage medium | |
| CN208582430U (en) | Multifunctional medical care stethoscope | |
| CN204909911U (en) | Multi -functional automatically regulated bed with sleep data acquisition system | |
| WO2016168979A1 (en) | Vital sign analysis method and system | |
| CN110876621A (en) | Sleep apnea syndrome detecting system based on neural network | |
| CN105662459A (en) | Wearable lung sound detection device | |
| CN104799849A (en) | Portable sleep apnea syndrome monitoring method and device | |
| CN110269604A (en) | A kind of sleep monitor system | |
| CN106175770A (en) | Apneic determination methods and system during a kind of sleep | |
| CN113598758A (en) | Non-contact sleep monitoring method and system | |
| CN105796055A (en) | Portable wireless snore monitoring system | |
| CN203000913U (en) | Device of conducting oxyhemoglobin saturation and heart rate continuous detection and automatic alarm through smart mobile phone | |
| CN103654742A (en) | Multi-parameter identification system for monitoring human health conditions | |
| CN201968675U (en) | ARM (Advanced RISC Machine)-based body surface stomach electric signal collecting analyzer | |
| CN210300977U (en) | Human physiological index detection equipment and intelligent mattress | |
| Wongdhamma et al. | Wireless wearable multi-sensory system for monitoring of sleep apnea and other cardiorespiratory disorders | |
| US20230118304A1 (en) | System, method, portable device, computer apparatus and computer program for monitoring, characterisation and assessment of a user's cough | |
| CN201135429Y (en) | Digital monitoring bed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211119 |