36 results about "Respiratory rate monitoring" patented technology

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.

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.

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.

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.

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.

The invention relates to the technical field of sleep monitoring, in particular to a heart rate and respiratory rate monitoring method and monitoring device thereof, a blanket and a mattress. The method comprises the steps: collecting a swing signal, caused by heartbeat and respiration, of an elastic part on the condition of lying on the elastic part by a human body; converting the acquired swingsignal into an angular velocity signal; converting the angular velocity signal into a frequency domain signal; acquiring a frequency value corresponding to a maximum value of the frequency domain signal in a preset respiratory rate range, namely the respiratory rate; and acquiring a frequency value corresponding to the maximum value of the frequency domain signal in a preset heart rate range, namely the heart rate. According to the invention, when a person lies down, a longitudinal impact is generated on the human body at the moment of cardiac impulse according to the heart BCG principle; thelying position swings up and down due to the change of the gravity center; the cardiac beat signal is converted into the angular velocity signal by collecting the swing signal and the angular velocitysignal is converted into the heart rate signal, so that the monitoring of the heart rate and the respiratory rate is completed.

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.

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.

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.

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.

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.

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.

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.

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.