327 results about "Oxyhemoglobin saturation" patented technology

The invention relates to a three-position and nine-indicator multi-information acquisition and recognition device based on finger feel pressure application and microarray sensing. The device is integrated with an MEMS microarray sensing contact probe, a miniature air pump, a standard II lead electrocadiography sensor and a detection electrode, a finger photoplethysmography senor and a bionic finger pressure probe, an air pressure finger cot, an air pressure wristlet, a miniature inflator pump, a wireless transmission device, an integrated circuit chip, a touch screen and a button lithium battery. According to the device, by adopting the MEMS technology, a microarray pressure sensor is designed to simulate the human under-finger touch information, acquire the properties in the aspects of position, pace, form, and dynamic of the pulse-taking information, and the properties and parameters, including pulse wave velocity (PWV), the blood pressure, the oxyhemoglobin saturation, the electrocardio, and the ultrasound, which can embody the physiological status of the organism form a dynamic synchronous data set. According to the theory of synthesis of the four diagnostic methods of the traditional Chinese medicine, the data is translated into relevant information such as vision, touch and the temperature sensation acquired by the traditional Chinese medical doctor, and so that the purpose of simulating the process of the synthesis of the four diagnostic methods of the traditional Chinese medicine is achieved by utilizing the digitized and quantized traditional Chinese medicine diagnosis.

The invention belongs to the field of mobile phone peripheral design and particularly provides a mobile phone medical device for human health monitoring and diagnosis. The device is plugged into a USB interface of a mobile phone through an USB interface, and the peripherals are allowed to communicate with the mobile phone. The control software of the mobile phone is used for controlling a processor of the peripherals to measure a user's parameters, including the heart rate, oxyhemoglobin saturation, temperature, iris, pulse and the like, and transmit computation results to the mobile phone, and the mobile phone analyzes a user's physical condition through databases and network databases of own software and displays the relevant parameters and results on the own display screen; if the user has abnormal symptoms, relevant treatment method, advances and medicines are recommended to the user through analysis, and simple and convenient medical treatment is implemented. By means of the processor and display screen of the mobile phone, hardware cost is reduced, operation is simple, and the high application value is provided.

The invention discloses a non-contact oxyhemoglobin saturation measuring device based on an imaging device. The device is mainly used for measuring non-contact oxyhemoglobin saturation. The device is composed of a video collecting unit, a signal processing unit and an oxyhemoglobin saturation result displaying unit. The video collecting unit is composed of two CCDs and a video image collecting card which is connected with the CCDs through a data line, wherein the CCDs are located before the human face and are provided with optical filters with different wave sections. The signal processing unit is composed of a PC host machine or a high-speed signal processing circuit. The video information including the human face is collected through the video collecting unit and is transmitted to the PC host machine or the high-speed signal processing system through the data line to be processed in a data mode, pulse waves can be drawn by calculating the change of grey average, in a time domain, of the human face area in a video image, and an oxygen saturation value can be obtained by calculating the two pulse waves with the different wave sections. The calculated result is displayed on the displaying unit through the data line.

The invention belongs to an oxyhemoglobin saturation detecting technology and relates to a hypoperfusion oxyhemoglobin saturation measuring method based on a self-correlation modeling method. According to the method, firstly, PPG (photoelectric plethysmogram) signals of red light and infrared light are subjected to digital filtering, in addition, the respective direct current components are calculated, then, the filtered signals are subjected to self-correlation, noise components in the signals are inhibited, the signal noise ratio is improved, finally, a parameter calculating method obtained by self-correlation signals through modeling is utilized for calculating the alternating current component, and in addition, the pulse rate, the oxyhemoglobin index and the oxyhemoglobin saturation are calculated. The method has the advantages that the noise interference of oxyhemoglobin signals is effectively inhibited, in addition, the method for parameter calculation through self-correlation signals is realized through modeling, and the accuracy of the pulse rate, oxyhemoglobin index and oxyhemoglobin saturation measurement at hypoperfusion is improved.

The invention discloses a medicine-and-food dual-purpose preparation for treating pneumoconiosis, clearing away the lung-heat and nourishing the heart and a preparation method for the medicine-and-food dual-purpose preparation. The medicine-and-food dual-purpose preparation is made of aizoon stonecrop herb, herba houttuyniae, polygonatum kingianum, polygonatum odoratum, platycodon grandiflorum, almond, radix glycyrrhizae, lilies, folium mori, white fungus, coix seed, citrus, mint and green tea. The medicine-and-food dual-purpose preparation can be used as a medicine and has the functions of clearing away the lung-heat, relieving cough and reducing sputum and the functions of promoting blood circulation to remove blood stasis, nourishing the heart and smoothing the sphygmus. The medicine-and-food dual-purpose preparation is also healthy food. The raw materials adopted by the medicine-and-food dual-purpose preparation are medicine-and-food medicines, can be eaten for a long time and cannot generate any toxic and side effect on a human body. The medicine-and-food dual-purpose preparation is healthy and health-protection; the lung organ is stimulated to secrete mucus and promote sputum excretion through functions of the components, and the self-cleaning function of the lung is realized; the blood is purified; the oxyhemoglobin saturation is enhanced; the heart can be protected from being injured; therefore, the medicine-and-food dual-purpose preparation has the effects of preventing and treating the pneumoconiosis and cardiovascular diseases.

The invention discloses a device for monitoring and managing sleep quality and promoting sleep. The device comprises a hand monitoring unit and a pillow monitoring unit. The hand monitoring unit evaluates the specific sleeping condition of a monitored person and starts a corresponding preset hand perceptual mode by acquiring and analyzing the pulse information, the heart rate information, the motion information, the oxyhemoglobin saturation information, the regular exercise amount and the sleeping posture information of the monitored person, the temperature information of the environment where the monitored person is located, and the brightness information of the sleeping environment. The pillow monitoring unit acquires all the information of the monitored person, and starts a corresponding preset pillow vibration mode. The device has the advantages of being capable of promoting sleep, precise in data, safe, environment-friendly, multifunctional, small, portable and the like. The device can conduct multi-dimensional monitoring on multiple indexes like sleep quality, exercise amount and basal metabolic rate, can dynamically and intelligently conduct individualized guidance and management on sleeping plans according to sleeping parameters acquired through previous multi-dimensional monitoring, and can be applied to the normal sleep population, the insomnia population, the sleep apnea-syndrome population and the population with a snoring history but not diagnosed as sleep apnea-syndrome yet.

The invention discloses a system for adjusting and treating the sleeping posture. The system comprises a pillow, a mattress, an oxyhemoglobin saturation monitoring device, a pressure sensor, an information analytic processor, an adjusting device and an alarm. When an oxyhemoglobin value of a sleeper is out of health range, the aim of adjusting the sleeping posture is achieved by continuously adjusting the heights and / or slopes of the pillow and the mattress until the oxyhemoglobin value of the sleeper reaches the health range, so that the obstructive sleep apnea syndrome of the sleeper is treated. Furthermore, when pressure information of the sleeper cannot be sensed in the preset time, the alarm gives out alarm and the safety of the system for adjusting and treating the sleeping posture is enhanced.

The invention discloses a sudden death early-warning method, device and system. The method comprises the steps of 1, extracting and detecting physiological information, wherein respiration, oxyhemoglobin saturation, heart rate and heart rate variability information of a testee are extracted, and totally the 6 monitoring indexes of the respiratory rate, the AHI index, the arterial oxygen saturation, the heart rate, the Poincare map indexes SDI and SD2 are obtained; 2, detecting abnormity of the physiological information, wherein various kinds of physiological information obtained in step 1 aresubjected to abnormity detection and early-warning level calculation; when abnormity is detected, step 3 is executed if the result shows abnormity, and detection continues if the result shows normality; 3, conducting sound, light and vibration alarming, wherein an alarm apparatus is driven to give out sound, light and vibration, and the corresponding early-warning level is offered; it shows that the higher the early-warning level is, the higher the risk of sudden death is, and when the early-warning level is larger than 3, the testee needs to see a doctor, and if the early-warning level is larger than 5, the testee needs to see a doctor urgently. The sudden death early-warning device comprises a respiratory sensor module, an oxyhemoglobin saturation sensor module, a heart rate sensor module and a microprocessor module.

The invention discloses a body area network-based respiratory disease remote diagnosis monitoring system which comprises a monitoring node, a portable device and a monitoring terminal, wherein the monitoring node is used for monitoring respiratory flow, oxyhemoglobin saturation and gesture of a user, and sending monitored data to the portable device in a wireless manner; the portable device is carried by the user and used for preprocessing the monitored data and sending the preprocessed monitored data to a monitoring terminal; and the monitoring terminal is used for storing and processing detection data sent by the portable device and obtaining evaluation data of relevant respiratory diseases of the user according to sign templates of the relevant respiratory diseases. The system disclosed by the invention can be convenient for the user to move daily, realizes remote monitoring, is convenient for popularization and use, and can be used for remotely diagnosing and monitoring special respiratory diseases.

The invention relates to a mobile portable first-aid monitoring device in the technical field of medical monitoring, which comprises a physiological collecting module and a physiological monitoring platform, wherein the physiological collecting module is connected with the physiological monitoring platform through a wireless communication technology to transmit physiological information and control information of a patient, the physiological information comprises electrocardio and respiration, pulse and oxyhemoglobin saturation, blood pressure, blood sugar, temperature, position and psychiatric status of the patient; and the physiological monitoring platform is connected with a remote first-aid center through a wireless sensing technology to transmit physiological information and positioninformation of the patient. The wireless connection is established among the physiological monitoring platform and the remote first-aid center as well as the physiological collecting module by utilizing a wireless communication module and a wireless network card module, therefore, the device has great portability and wide application; position and mental state information of the patient can be further obtained by using a position sensing module and a mental state monitoring module, more complete information is provided for the first-aid work, and the cure rate of the patient is improved.

The invention relates to the technical field of medical equipment, and especially relates to a sleep apnea monitoring and treatment system. The monitoring and treatment system comprises a breath airflow monitor for inducing a breath airflow, an oxyhemoglobin saturation monitor for detecting oxyhemoglobin saturation, an electrical stimulator for causing a human body genioglossus movement and receiving a submental muscle electrical signal, and calculation control equipment. The calculation control equipment is in communication connected with the breath airflow monitor and the oxyhemoglobin saturation monitor so as to collect a breath airflow signal and an oxyhemoglobin saturation signal, and the calculation control equipment is connected with the electrical stimulator so as to control the electrical stimulator to be switched between a function of causing the human body genioglossus movement and a function of receiving the submental muscle electrical signal. Therefore, the monitoring and treatment system of the invention can non-invasively and simply monitor occurrence of a sleep apnea condition, and can give treatments; and the system has high safety and applicability.

The invention discloses a portable noninvasive vital sign monitoring method based on intelligent equipment. The method comprises the following steps of installing and opening a vital sign monitoring program on the intelligent equipment; starting a data acquisition function of the vital sign monitoring program, using a three-shaft acceleration sensor or a three-shaft gyroscope sensor to acquire original data of beats at the position of the chest or the heart of a user, and using a camera or an image sensor to acquire image data at the tip of a finger; making the vital sign monitoring program use the intelligent equipment to conduct real-time data processing; making the vital sign monitoring program use a screen of the intelligent equipment to display a vital sign monitoring result. Through the mode, the portable noninvasive vital sign monitoring method based on intelligent equipment achieves monitoring of blood and blood vessel parameters of respiration, a heart rate, blood pressure, oxyhemoglobin saturation, blood viscosity and the like, and has the advantages of being high in portability, convenient to use, non-wearable, low in cost, free of cross infection and the like.

The invention discloses a vascular endothelial function detecting device based on fingertip temperature change. The vascular endothelial function detecting device is used in the field of medical instruments and comprises a device main machine with a main control circuit board and a function module led out from the device main machine and connected with the main control circuit board. The function module comprises a blood blocking module for controlling of brachial artery blood flowing, a temperature measuring module for measuring fingertip temperature change and an oxyhemoglobin saturation measuring module for measuring fingertip oxygen content of blood. A complex algorithm using the fingertip temperature change to deduce blood vessel diameter change rate is built in the main control circuit board, complex processes of a measuring method achieve automation and intelligentization, detecting cost and device price are reduced, most people can achieve self-management of cardiovascular health state at home, monitoring cost is effectively reduced, operation process is simplified, support can be provided for families and primary hospitals to conduct cardiovascular disease early prevention and diagnosis, and the device has great significance for early prevention of cardiovascular diseases.

The invention discloses an aged care robot with comprehensive health management, medical early warning and first-aid functions. The aged care robot comprises a robot body and wearable equipment. The wearable equipment is worn on an aged user, the robot body can detect the body temperature, heart rate, blood pressure, oxyhemoglobin saturation and other body features of the aged user, the danger level of the old is judged according to the body features, and different measures are adopted according to the danger level. In addition, the disease of the old can be judged according to the body features, whether the old is in a heart arrest state or not can be judged by themselves, if the old is in the heart arrest state, first aid is given to the old through a cardio-pulmonary resuscitation mode,and therefore the life of the suddenly died old is saved in time.

The invention discloses an oxyhemoglobin saturation detection method and an oxyhemoglobin saturation detection system. The oxyhemoglobin saturation detection system comprises a preprocessing device, a standard model establishing device, an SSF processing device, a waveform characteristic judging device, a device for extracting waveforms of pulses one by one, a signal quality index calculating device, a device for calculating a distance between adjacent peaks of pulse signals, an R value calculating device, an R value Kalman filtering device and an oxyhemoglobin saturation calculating device. In the system adopting the oxyhemoglobin saturation detection method of the technical scheme, because sampled data close to the slope and maximum points of the waveforms of the pulses is selected as sample points for calculating the oxyhemoglobin saturation during calculation, the sample points better represent the oxygen content of blood in a human body, and calculation errors caused by noise interference when peak points / valley points serving as characteristic value points are extracted are avoided, so the noise interference can be effectively reduced, the signal-to-noise ratio of the oxyhemoglobin saturation is improved and the detection accuracy of the oxyhemoglobin saturation is improved.

The invention relates to an oxyhemoglobin saturation detecting device combined with a hanging type earphone, which comprises an earphone part and an oxyhemoglobin detecting part, wherein the earphone part comprises a C-shaped ear-hanging part and an earplug part; the oxyhemoglobin detecting part comprises an LED (Light Emitting Diode) light source part, a photoelectric detection part and a first micro-control processor; one of the LED light source part and the photoelectric detection part is arranged in the C-shaped ear-hanging part, so as to be corresponding to the rear side of an auricle of an ear of a detected person; the other one of the LED light source part and the photoelectric detection part is arranged in the earplug part, so as to be corresponding to the front side of the auricle of the ear of the detected person; a control and processing circuit is housed in the C-shaped ear-hanging part; a red light and a near-infrared light are emitted by the LED light source part; after the red light and the near-infrared light pass through the auricle, the red light and the near-infrared light are received by the photoelectric detection part; and a received detecting data is sent to the first micro-control processor by the photoelectric detection part and is sent to an external part after the received detecting data is processed.

The invention discloses a photoacoustic imaging device which is used for measuring the oxyhemoglobin saturation. The photoacoustic imaging device comprises a laser device, an optical waveguide, a first light split element, a second light split element, a first switch, a second switch, a transmission reflecting mirror, a photodiode, an objective, a water prism, a water groove, an ultrasonic transducer, an amplifier, a data collecting module, a control module and a calculation module. The laser device emits a nanosecond pulse laser of one wavelength and is coupled with the optical waveguide. The optical waveguide has the non-linear optical effect, and the pulse laser has two wavelengths after passing through the optical waveguide. The first light split element divides a laser with the two wavelengths into two lasers with a single wavelength. The first switch and the second switch are used so that only one laser of the photoacoustic imaging device can reach a sampler at any moment, and therefore signals excited by the laser of the two different wavelengths can be obtained. The photoacoustic imaging device is low in manufacturing cost, convenient to operate and reliable.

The invention discloses a health service robot capable of achieving oxyhemoglobin saturation detection. The health service robot comprises a robot body, a master control unit, a movement control unit, a binocular vision capturing unit, a human-machine interaction unit, an environment perception sensor unit, a medical detection unit and a power supply unit. The medical detection unit comprises an oxyhemoglobin saturation detection device. The oxyhemoglobin saturation detection device is arranged on the front face of the palm center of the robot body. The master control unit is connected with the movement control unit, the binocular vision capturing unit, the human-machine interaction unit, the environment perception sensor unit and the medical detection unit through a bus communication protocol and a serial communication protocol. The power supply unit is used for supplying power to the other units. According to the health service robot, the robot moving technology and the medical detecting technology are combined, and the health service robot has the beneficial effects of being good in human-machine interaction, convenient to move and use and long in service life.

The invention provides a control method of an oxygen therapy instrument. A pressure sensor is added in an air outlet of the oxygen therapy instrument to detect the respiratory conditions of a user, during inspiration of the user, oxygen is output by controlling a proportional valve, and during expiration of the user, oxygen output is closed. The control method of the oxygen therapy instrument hasthe advantages that under the situation that the user needs the same oxygen flow, the oxygen therapy instrument of the method reduces the power of oxygen production by 2 / 3, and then the noise of oxygen production and the size of the oxygen therapy instrument can also be correspondingly reduced; continuous oxygen delivery can cause dry injury of the mucous membrane in the local respiratory tract, and during expiration, oxygen output is stopped so that the breath of the patient can be more smooth; the breath state can be accurately judged, the control precision of the oxygen flow is high, the adjustment of the oxygen output amount is sensitive, the comfort of the oxygen inhalation is improved, and side effects are reduced; a blood oxygen detection module is added to detect the oxyhemoglobinsaturation of the user during use and monitor the treatment condition of the user in real time, and the oxygen flow is intelligently adjusted according to the oxyhemoglobin saturation to save energy under the best treatment effect.

The invention provides a ring type oxyhemoglobin saturation measuring instrument. The ring type oxyhemoglobin saturation measuring instrument comprises a finger sleeve (1) and a body (3) mounted in the finger sleeve (1). The finger sleeve (1) is used for enabling the body (3) to be worn on the finger, and the body (3) is used for measuring oxyhemoglobin saturation. The finger sleeve (1) is further provided with an elastic structure capable of being stretched. The ring type oxyhemoglobin saturation measuring instrument can be suitable for fingers of different thicknesses for measuring by replacing the finger sleeves (1) of different sizes, wearing is convenient, disengaging can not happen easily, and the ring type oxyhemoglobin saturation measuring instrument is suitable for being continuously worn and used for a long time.

The invention discloses a system for adjusting, treating and screening the sleeping posture. The system comprises a pillow, a mattress, an oxyhemoglobin saturation monitoring device, a pressure sensor, an information processing device, an adjusting device, a remote monitoring center and an alarm. When an oxyhemoglobin value of a sleeper is out of health range, the aim of adjusting the sleeping posture is achieved by continuously adjusting the heights and / or slopes of the pillow and the mattress until the oxyhemoglobin value of the sleeper reaches the health range, so that the obstructive sleep apnea syndrome of the sleeper is treated. Furthermore, when pressure information of the sleeper cannot be sensed in the preset time, the alarm gives out alarm and the safety of the system for adjusting, treating and screening the sleeping posture is enhanced. Meanwhile, a database generated by a remote monitoring center contributes to monitoring sleep information of the sleeper by medical workers and screening the sleeping posture which is optimally suitable for the sleeper.

The invention discloses a construction worker vital sign monitoring system and method. the construction worker vital sign monitoring system comprises an intelligent wristband and a monitoring terminal, wherein the intelligent wristband is provided with a sensor module capable of measuring blood pressure, heart rate, body temperature, oxyhemoglobin saturation and breath frequency, and a positioningmodule; the intelligent wristband is connected to the monitoring terminal via a wireless module; the system further has a database server; the database server is connected to the intelligent wristband; the monitoring terminal is connected to the database server via a network module; and the monitoring terminal is connected with an acoustic-optical alarm module. Construction worker vital signs canbe effectively monitored by the system and an alarm can be given out in time; potential safety dangers can be eliminated for construction workers and accidents can be prevented; construction workerscan be saved in time and rescue time is earned; construction worker life and property safety can be guaranteed; traditional construction worker safety management is greatly optimized; and constructional engineering production efficiency can be improved.

The invention relates to a calibration device for an oxyhemoglobin saturation analog meter. The calibration device comprises a dual-wavelength LED (light emitting diode) light source, an optical detector, a main unit and a computer, wherein the dual-wavelength LED light source is opposite to the optical detector; the dual-wavelength LED light source and the optical detector are connected with the main unit; the main unit outputs driving signals to drive the dual-wavelength LED light source to emit red light and near infrared light; the optical detector detects that optical signals emitted to a surface of the optical detector are converted into voltage signals which are inputted to the main unit; the main unit is connected with the computer, and receives an R curve command outputted from the computer; an R value, an oxyhemoglobin saturation value and a pulse frequency value are calculated according to the received voltage signals; and moreover, the oxyhemoglobin saturation value and the pulse frequency value are inputted to the computer; and the computer analyzes and processes data of the oxyhemoglobin saturation value and data of the pulse frequency value, and a calibration report is generated. By using the calibration device, oxyhemoglobin saturation and pulse frequency indexes of various oxyhemoglobin saturation analog meters can be calibrated.

The invention discloses a self-adapting automation method based on brain function state. The self-adapting automation method comprises the steps of: determining the arrangement of an encephalogram electrode, a near infrared optical spectrum light source and a near infrared optical spectrum probe; establishing an artificial neural network model according to a linear characteristic parameter, a non-linear characteristic parameter, an oxyhemoglobin saturation index and a simulative task performance index, and optimizing the artificial neural network model through a genetic algorithm to obtain a cognitive function state detecting model; determining whether adjusting the task distribution mode of a person and an automatic system and early warning an operator according to a real-time cognitive function state index, a task demand index, a cognitive function state index warning threshold value and a state duration threshold value; and if so, adjusting the task distribution mode of the person and the automatic system, early warning the operator, and ending the process. Compared with the traditional automatic man-machine system, the self-adapting automation method disclosed by the invention distributes the tasks in a self-adapting manner to reduce the occurrence rate of human errors and effectively improve the working efficiency and safety of the man-machine system.

The invention discloses wireless wrist cardiovascular system monitor equipment. The wireless wrist cardiovascular system monitor equipment comprises a shell, a wrist strap, a multi-physiological parameter measurement module, an A / D (Analog to Digital) data acquisition module, a microprocessor module, a display module, a storage module and a wireless transmission module. The multi-physiological parameter measurement module consists of an electrocardiosignal measurement module, a blood pressure measurement module, an oxyhemoglobin saturation measurement module and a body temperature measurement module. The multi-physiological parameter measurement module is connected to the microprocessor module through the A / D data acquisition module, and is used for carrying out data acquisition, analysis and processing in the microprocessor module. The microprocessor module is further connected to the display module, the storage module and the wireless transmission module, analysis result is displayed on the display module positioned on the shell, collected data and the analysis result can be stored in the storage module and can be transmitted to a server end through the wireless transmission module. The equipment adopts a wrist wearing manner, is convenient to carry and use, can measure and display physiological parameters related to a cardiovascular system at the same time, and can transmit the data wirelessly.

The invention provides a medical intelligent bracelet enabling the oxyhemoglobin saturation of a human body to be measured conveniently. The medical intelligent bracelet comprises a first watch strap, a second watch strap and a watch body, the length of the second watch strap is larger than that of the first watch strap, a display screen and a power source are arranged on the watch body, the first watch strap and the second watch strap are provided with first grooves, USB plugs and first containing cavities, the first containing cavities are provided with buckle assemblies, and the buckle assemblies comprise abutting rods, springs and first clamping hooks. The first watch strap and the second watch strap are provided with convex portions and rectangular grooves, iron blocks are arranged in the rectangular grooves, and the convex portions comprise supporting blocks and magnets. USB interfaces, convex blocks and second clamping hooks are arranged on the watch body, a third containing cavity is formed in the watch body, and a second circuit board, a microprocessor, a Bluetooth device and a memorizer are arranged in the third containing cavity. According to the medical intelligent bracelet, any watch straps capable of monitoring needed health indexes can be assembled, and meanwhile, the medical intelligent bracelet is convenient to operate and comfortable to wear.

The invention discloses a method and system for preventing fatigue driving. The method comprises the following steps: acquiring a plurality of groups of oxyhemoglobin saturation original signals of a driver under the normal physical condition; carrying out signal conditioning on the plurality of groups of oxyhemoglobin saturation original signals, and calculating to obtain a plurality of oxyhemoglobin saturations; calculating to obtain the average value of the oxyhemoglobin saturations; setting an oxyhemoglobin saturation threshold value according to the average value of the oxyhemoglobin saturations; acquiring oxyhemoglobin saturation original signals of the driver in real time; and carrying out signal conditioning on the oxyhemoglobin saturation original signals acquired in real time, calculating to obtain the oxyhemoglobin saturations, and warning the driver if the oxyhemoglobin saturations acquired in real time are continuously lower than the first time preset by the oxyhemoglobin saturation threshold value. According to the method and the system provided by the invention, electrode plates are not needed for acquiring the oxyhemoglobin saturation original signals, so that the driver can not have the body discomfort and antipathy, and therefore, the practicability is strong.

The invention discloses a driver fatigue detection method based on a rough set and a D-S evidence theory. The method mainly includes the steps of using a sensor to collect data including a heart rate,pulses, an oxyhemoglobin saturation and breath signals to construct primary fatigue feature parameters; adopting a rough set property simplification method to extract the optimal fatigue feature parameter, using the fatigue feature parameters to create a fatigue property decision table, carrying out data discretization on the fatigue decision table, creating a differential matrix to perform property simplification, and correspondingly creating a fatigue decision set; after data output by the decision set is subjected to normalization processing, adopting a fuzzy neural network for being fusedwith the D-S theory, and making a decision on a driver fatigue result. According to the physiological features of the human body, an intelligent information processing method is combined to recognizethe fatigue features of a car driver, the method has obvious social and economic benefits and a significant meaning on reduction of traffic accidents caused by fatigue driving.

The invention relates to an automatic judging system for a monitored part of the oxyhemoglobin saturation of the tissue. The judgment for the position of a sensor is obtained, so that a correspondingoxyhemoglobin saturation calculation model can be selected during the calculation for the oxyhemoglobin saturation, and the accurate oxyhemoglobin saturation result is obtained. According to the system, the original light intensity data collected by the sensor is converted to obtain more useful intermediate parameters, then through a random forest classification model, the mapping relation betweenthe intermediate parameters and the category of the detected part is established, thus the classification evaluation for the detected part is realized, the manual intervention is reduced, and the measurement precision is improved.

The invention relates to a radial artery dual-airbag intelligent compression hemostasis device which comprises a wristband, a radial artery airbag, an ulnar artery airbag, an oxyhemoglobin saturation monitoring probe, a pressure sensor, a program control air pump, a program control switch and a control terminal. The radial artery airbag and the ulnar artery airbag are arranged on the wristband in a spaced mode and connected with the program control air pump. Connecting pipe fittings of the airbags and the program control air pump are provided with an air outlet and a pressure sensor. The program control switch is arranged at the air outlet. The control terminal comprises a single-chip microcomputer, a man-machine interaction operation button and a displayer. The radial artery oxyhemoglobin saturation monitoring result can be converted into signals of waveform, oxyhemoglobin saturation value and sound intensity of pulse waves, the single-chip microcomputer determines the pressure exerted on a patient radial artery according to the signals, the inflation pressure in the airbags is fed back and adjusted through the program control air pump and the program control switch, and the blood vessel complications and damage which are caused to a patient when the pressure in the airbags is too high or too low and the pressing time is too long or too short are avoided.