524 results about "Blood arterial" patented technology

The invention discloses an intelligent pressure regulation and control method and system for artery compression, and the method comprises the steps: collecting the arterial blood pressure waveform and vascular elasticity parameters of a puncture part of a patient in real time, and the multi-dimensional pressure data of a pressure sensor; constructing an initial pressure parameter set containing a pressure distribution gradient and a vascular response coefficient through a dynamic feature extraction algorithm; carrying out collaborative analysis on the initial pressure parameter set and blood flow characteristic parameters obtained through blood flow monitoring, and generating a regulation and control matrix containing an optimal compression force range and a time decay function; performing multi-target optimization processing on the regulation and control matrix through a parallel optimization algorithm to generate a real-time pressure control instruction set; based on the deviation value of the real-time pressure execution data fed back by the user interface and the blood flow monitoring data, a grading alarm mechanism is triggered, and a compression strategy is automatically corrected. By utilizing the embodiment of the invention, accurate regulation and control of the artery compression process can be realized, and the hemostatic effect is optimized and the medical quality is improved on the premise of ensuring the safety of a patient.

The invention discloses an anesthesia strategy generation system fusing time sequence data and a knowledge graph, and relates to the technical field of medical information processing. The method specifically comprises the steps that five types of vital sign data including arterial blood pressure, electrocardio and electroencephalogram are collected, correction is conducted in combination with traction marks and electrotome interference characteristics, and an analysis result is output; the inference analysis module executes double-track processing based on the analysis value, one track evaluates cortical suppression, shock and ventilation risks and generates a risk report, and the other track performs reverse arbitration when the blood oxygen data is abnormal; constructing a knowledge graph fusing the efficacy nonlinear cooperation equation, the age sensitive parameters and the drug administration sequence influence; and the strategy generation module integrates the multi-source data to generate a drug execution track, and executes fast and slow closed-loop regulation and control based on a risk report and an arbitration result. According to the invention, the adaptation capability of the system to individual differences, the abnormal signal identification and processing capability and the intelligent response level of the anesthesia strategy are improved, and the accuracy and safety of clinical anesthesia are significantly enhanced.

The embodiment of the invention provides a continuous blood oxygen monitoring system in extracorporeal circulation and a control method thereof. The continuous blood oxygen monitoring system comprises a vein sensor, an artery sensor, a blood flow sensor, an oxygen sensor, a carbon dioxide sensor, a controller and a display, the vein sensor monitors the vein blood oxygen saturation degree; the artery sensor monitors arterial oxygen saturation and hematocrit; the blood flow sensor monitors the blood flow of the artery pipeline; the oxygen sensor monitors the oxygen concentration of the oxygenator; the carbon dioxide sensor monitors the carbon dioxide concentration of the oxygenator; the display provides an interaction control, responds to a trigger operation acting on the interaction control, sends an interaction instruction to the controller, and updates information displayed in an interaction interface according to the control of the controller; the controller receives the interaction instruction and executes processing corresponding to the interaction instruction; the processing includes controlling display information of the display; the display information comprises information corresponding to the monitoring parameters. The scheme ensures the safety and effectiveness of the treatment process.

The invention relates to the technical field of medical data processing, and discloses a non-invasive hemodynamic assessment system for coronary artery stenosis degree, comprising an image acquisition module used for acquiring a coronary artery computed tomography angiography image of a patient; the physiological signal acquisition module is used for synchronously acquiring physiological signals of a patient, and the physiological signals comprise electrocardiosignals and non-invasive arterial blood pressure signals; and the data processing module is used for preprocessing and segmenting the coronary artery computed tomography angiography image. Electrocardiogram and non-invasive arterial blood pressure signals are collected through the sensor, risks and complications caused by invasive examination of traditional coronary artery radiography are avoided, the problem that patients unsuitable for invasive examination such as contrast agent allergy and renal insufficiency are difficult to evaluate is solved, the pain of the patients is relieved, and the acceptability of the patients is improved.

The embodiment of the invention provides an artery positioning detection method and device, electronic equipment and a storage medium, and the method comprises the steps: iteratively executing at least one round of the following steps in a process of continuously moving an image collection device at a target part until the integrity degree meets a preset condition: obtaining an image sequence collected by the image collection device in the round, stacking the image sequence into a stacked image, inputting the stacked image into a positioning network, and obtaining an image state output by the positioning network; and taking the last frame of image in the image sequence obtained when the integrity degree meets a preset condition as a target image, detecting the artery blood vessel in the target image, and determining a detection result indicating the health risk of the artery blood vessel. And identifying the image to assist the user in positioning the artery blood vessel, and detecting the artery blood vessel when the integrity degree meets a preset condition.

The invention provides an intelligent diagnosis and treatment method, system and equipment based on individualized blood pressure management, a computer readable storage medium and application thereof, and relates to the field of intelligent medical treatment. The method comprises the following steps: acquiring blood pressure, electroencephalogram signals, cerebral blood flow velocity and arterial blood pressure data of a subject; analyzing based on the electroencephalogram signal and cerebral blood flow velocity data of the subject to obtain a neurovascular coupling index; obtaining an individualized blood pressure range based on the nerve and blood vessel coupling index and the arterial blood pressure data of the subject; whether the blood pressure of the subject is within the individualized blood pressure range or not is judged, and when the blood pressure of the subject is not within the individualized blood pressure range, information prompt for blood pressure control is output. According to the method disclosed by the invention, the blood pressure management is guided by determining the individualized blood pressure range of the cardiovascular and cerebrovascular disease patient, valuable resources are provided for researchers and clinicians in the field of cardiovascular and cerebrovascular disease diagnosis and treatment, and the method has important scientific research significance and clinical value.

The invention provides a blood pressure measuring method, wearable equipment and a storage medium. The method is applied to the wearable equipment, the wearable equipment comprises a blood pressure measuring device, and the blood pressure measuring device comprises an air bag. In the first time period, the wearable device inflates the air bag and obtains a first pulse wave signal, the air pressure in the air bag is gradually increased along with time in the first time period, and the first pulse wave signal is used for obtaining a first blood pressure measurement value; in a second time period, the wearable device inflates the air bag and obtains a second pulse wave signal, the air pressure in the air bag is kept unchanged or fluctuates in the first range in the second time period, and the second pulse wave signal is used for evaluating the cardiovascular risk; the wearable device outputs a first blood pressure measurement and cardiovascular risk. By means of the method, the wearable device can monitor the cardiovascular disease risk of the user while obtaining the peripheral arterial blood pressure value, and cardiovascular diseases are prevented.

The invention discloses a vasculopathy risk identification system based on a machine learning model. A control host acquires a blood oxygen value, a pH value, a lactic acid value and a pressure value in blood vessel blood of an evaluator and a blood vessel inner wall structure image; the blood vessel is a vein blood vessel, analyzing the tube diameter and the thickness of the intima, the medium and the adventitia based on the structure image, inputting the blood oxygen value, the pH value, the lactic acid value, the pressure value, the tube diameter and the thickness of the intima, the medium and the adventitia of the assessor into a target vein blood vessel machine learning model, and training and outputting a vein blood vessel lesion risk identification result; the blood vessel is an artery blood vessel, and the composition and form of the artery blood vessel are identified and the stenosis degree value of the vessel diameter is calculated when the vessel diameter, the thickness of the inner, middle and outer membranes and artery plaques exist in the artery blood vessel are analyzed based on the structure image; and inputting the blood oxygen value, the pH value, the lactic acid value, the pressure value, the tube diameter, the thickness of the intima, the middle and the adventitia of the blood vessel, the composition and the form of the artery plaque and the tube diameter stenosis degree value of the assessor into a target artery blood vessel machine learning model to train and output an artery blood vessel lesion risk identification result.

The invention relates to the technical field of medical auxiliary supplies, in particular to a wrist arterial blood pressure detection device and a using method.The wrist arterial blood pressure detection device comprises a blood pressure dial plate and a bridle, a pressurizing air bag is slidably arranged on the inner side face of the bridle, and one end of the pressurizing air bag is connected with an air pump; a detection mechanism is arranged on the bottom side face of the blood pressure dial plate, a pressure sensor is arranged in the detection mechanism, and the pressure sensor is electrically connected with an air pressure / frequency processor through a wire. The pressurizing air bag is arranged on the bridle through the multiple guide sliding blocks, the wrist can be pressurized in all directions at the same time, the detection efficiency is greatly improved, the infrared instrument determines the height of the wrist according to the position of a red dot, the wrist is conveniently adjusted to the position flush with the heart, the wrist adjusts the wrist according to the indication of the horizontal calibration instrument, and therefore the accuracy of detection is improved. And the detection precision is improved.

The invention discloses a multifunctional safe flushing system for hemodialysis, and belongs to the technical field of blood purification. The system comprises an arterial blood extraction assembly, a venous blood transfusion assembly and a plasma purification treatment assembly, one end of the venous blood transfusion assembly is connected with one end of the arterial blood extraction assembly through a plasma separator, one end of the plasma purification treatment assembly is connected with the plasma separator, and the other end of the plasma purification treatment assembly is connected with the venous blood transfusion assembly. A multifunctional safe flushing mechanism is arranged at the position, close to the plasma separator, of the plasma purification treatment assembly. During flushing, due to the fact that the path from the multifunctional safe flushing mechanism to the adsorber in the plasma purification treatment assembly is short, the time needed for flushing is shortened, the effective treatment duration is guaranteed, the needed amount of saline water is reduced, the situation that the amount of human body fluid is excessively increased is avoided, and it is guaranteed that the saline water has the needed flushing pressure when flowing to the adsorber; and the washing effect on the adsorber is ensured.

The invention provides an implantable wireless passive blood pressure monitoring device, which relates to the technical field of blood pressure detection and comprises a blood pressure sensor and an in-vitro reading device, the blood pressure sensor comprises an outer inductance coil and an internal interdigital capacitor; the inductance coil is connected with the interdigital capacitor through a cross-layer line to form a capacitance-inductance LC loop; the inductance coil and the interdigital capacitor are packaged in the soft base material silicon rubber; the blood pressure sensor is used for being attached to the outer wall of an artery blood vessel, and the resonant frequency of the blood pressure sensor can change along with compression tensile deformation of the blood vessel; the in-vitro reading device is used for reading the resonant frequency of the blood pressure sensor; wherein the resonant frequency read by the in-vitro reading device is used for calculating a blood pressure value. The implantable wireless passive blood pressure monitoring device provided by the invention is used for providing a blood pressure monitoring mode with high measurement precision and small trauma so as to improve the accuracy and comfort of blood pressure monitoring.

Various example embodiments relate to a solution for determining a continuous arterial blood pressure waveform or the systolic and diastolic blood pressure noninvasively. Photoplethysmography, PPG, signals may be obtained from a PPG sensor. Flux signals may be obtained from a flux sensor. The arterial blood pressure waveform or the systolic and diastolic blood pressure may be determined based at least in part on the PPG signals and the flux signals.

The invention discloses a blood brain barrier water extraction rate imaging method and system based on artery marking and speed selection. By marking spinning of water molecules in artery blood and selectively detecting signals of residual marked blood which does not enter brain tissues in vein blood vessels, quantitative evaluation of blood-brain barrier water permeability is realized. According to the method, the neck artery blood flow is magnetized and overturned by adopting pseudo-continuous artery spin labeling, a speed selection module based on Fourier transform is applied in an acquisition stage to eliminate interference of brain tissue signals, pure vein labeling signals are obtained, and rapid and accurate measurement of water extraction fraction and permeability-surface area volume is realized. In addition, the signal-to-noise ratio and robustness are effectively improved by adopting dual suppression pulses of background tissues and blood. The method does not need an exogenous contrast agent, is non-invasive, short in scanning time and accurate and stable in measurement result, and has important clinical application value for early diagnosis of brain diseases and assessment of pathological changes of the blood brain barrier.

The invention discloses equipment for establishing a mouse hemorrhagic shock resuscitation model. The equipment comprises a surgery operation table, a body temperature maintaining device, a puncture module, an in-vitro blood heat preservation device, an artery puncture device, a blood transfusion / bloodletting device, a blood temporary storage device, an arterial blood pressure monitoring device and a three-way device. According to the invention, venipuncture catheterization is not needed in the blood transfusion / letting process, the purposes of blood transfusion / letting and real-time arterial blood pressure monitoring can be achieved only through arterial puncture catheterization, and the retention of veins can not only reduce the difficulty of the operation, but also ensure the backflow of tissue blood after the operation, so that the injury caused by the operation is reduced. According to the in-vitro blood heat preservation device, the in-vitro blood can be kept at a constant temperature, and the death risk of mice caused by body temperature changes can be effectively reduced. According to the blood transfusion / bloodletting device, the blood transfusion / bloodletting speed can be manually controlled, the problem that the blood transfusion / bloodletting speed cannot be controlled by manual bloodletting can be effectively solved, and heart failure caused by rapid and massive blood transfusion is avoided.

The invention relates to an intelligent blood pressure monitoring device and method for an old atrial fibrillation patient. The device comprises a blood pressure measuring module, an electrocardiogram measuring module and a processing module. The blood pressure measuring module is used for measuring arterial blood pressure data of a target object; the electrocardiogram measurement module is used for collecting electrocardiogram data of a target object and generating electrocardiogram data; and the processing module is used for performing time alignment on the electrocardiogram data and the arterial blood pressure data, dynamically adjusting the measurement frequency and duration of the blood pressure measurement module based on the change of the electrocardiogram data, and selecting the arterial blood pressure data which meets the time interval requirement and is slightly influenced by atrial fibrillation as measurement data. By combining the electrocardiogram data, the stable period of the heart rhythm can be identified, and the reliability and practicability of the measurement result are ensured. According to the invention, by dynamically adjusting the measurement frequency and duration and selecting data which is slightly influenced by atrial fibrillation, the unnecessary measurement times are effectively reduced, and meanwhile, the accuracy of blood pressure data is improved.

A source stochastic signal is deconstructed into one or more components using a decomposition process. The decomposition process deconstructs the source stochastic signal into at least one component which encodes the oscillatory behavior of the source stochastic signal. The one or more components are mapped, using one or more trained models, to a pair of target components which encode the estimated oscillatory behavior and estimated steady-state behavior of a target stochastic signal. The target stochastic signal is then reconstructed from the oscillatory behavior target signal by shifting the oscillatory behavior target signal so that its average value aligns with the average value of the steady-state behavior target signal. The source stochastic signal and the target stochastic signals can be biological signals having a related or common origin, such as photoplethysmogram (PPG) signals and arterial blood pressure (ABP) waveforms.

The present invention discloses a continuous arterial blood pressure waveform detection system and equipment based on single-channel fingertip PPG, and relates to the field of blood pressure detection devices. The detection system includes several functional modules including a calibration module, a feature input module, a signal processing module and a signal processing module. The system can collect the PPG signal of the subject to be tested and pre-process the collected PPG signal, and then call the pre-established elastic cavity model and Tube-Load model with different population characteristics to form a hybrid model, and input the PPG signal of the subject to the established hybrid model to obtain the real-time continuous blood pressure waveform of the subject. The method and device of the present invention can better overcome the shortcomings of the existing blood pressure detection model, and can realize real-time detection of blood pressure waveform.

The embodiment of the invention discloses an aneurysm rupture risk prediction device, a model training device and a storage medium. The prediction device comprises a first three-dimensional model construction module used for constructing a three-dimensional fluid model and a three-dimensional solid model based on target artery three-dimensional imaging data; the first fluid-solid coupling simulation model building module is used for building a computational fluid dynamics simulation module based on a three-dimensional fluid model, building a static solid analysis simulation module based on a three-dimensional solid model and then building a one-way fluid-solid coupling simulation model; the first index parameter acquisition module is used for taking the blood flow velocity distribution in the target arterial blood vessel in space and time as the input of the fluid-solid coupling simulation model to obtain a hemodynamic index parameter and a solid mechanics index parameter; and the risk prediction module is used for predicting the rupture risk of the aneurysm based on the hemodynamic index parameters and the solid mechanics index parameters. According to the technical scheme, the prediction accuracy of the aneurysm rupture risk can be improved.

An arterial catheter system may include a catheter assembly, which may include a catheter adapter. The arterial catheter system may include an arterial catheter extending from a distal end of the catheter adapter. The arterial catheter system may include a needle assembly, which may include a needle hub and an introducer needle. The arterial catheter system may include an arterial hemoshield device coupled to the catheter assembly. The arterial catheter system may include a fluid pathway within the arterial catheter, the catheter adapter, and the arterial hemoshield device. A first fluidic resistance within a portion of the fluid pathway within the arterial hemoshield device may be greater than a second fluidic resistance within the fluid pathway distal to the portion of the fluid pathway.

The utility model relates to a puncture device for invasive arterial blood pressure monitoring, which comprises an artery puncture part for puncturing the blood vessel of a patient and an angle control part for adjusting the puncture angle of the artery puncture part, the angle control part is provided with a support frame, the support frame is provided with a rotating rod in a penetrating manner, and the rotating rod can rotate along the axis of the rotating rod. One end of the rotating rod is connected with a guide groove capable of synchronously rotating with the rotating rod, the other end of the rotating rod can be structurally matched with a locking assembly arranged on the surface of the supporting frame to lock the rotating rod, and under the condition that the guide groove rotates to a preset angle, a needle cylinder arranged on the artery puncture part can be placed on the inner side of the guide groove; the artery puncture part can puncture the blood vessel of a patient at a preset angle under the guiding effect of the rollers arranged on the inner side wall of the guiding groove on the needle cylinder.

The present disclosure relates to a method of reconstructing an arterial blood pressure (ABP) signal corresponding to the morphological feature of a combination signal of ECG and PPG on the basis of the morphological feature. The method of reconstructing an ABP signal according to an embodiment of the present disclosure includes: generating an ECG-PPG signal by combining ECG and PPG signals corresponding to an ABP signal; generating a plurality of ECG-PPG signals for learning by applying a plurality of noises, which is different in intensity, to the ECG-PPG signal; training a neural network model to receive the ECG-PPG signals for learning and output the ABP signal; and reconstructing an ABP signal of a target user by inputting an ECG-PPG signal of the target user into the neural network model.

A method, a computer-readable medium and a system for reconstruction of a patient-specific central aortic pressure waveform morphology using a non-invasive distal pressure measurement and a non-invasive recording of a distal pressure waveform are disclosed. Measurements of patient's systolic and diastolic pressures as well as patient's heart rate are made at a distal position, for example using the radial artery. The invention makes use of patient-specific demographic and health data, e.g., gender, age and / or current medication. The patient-specific central arterial pressure waveform morphology is calculated using a lumped-parameter multi-compartment model of the Windkessel type. The method does not assume structural rigidity of a transfer relationship, but it assumes an evolutionary law that provides the relationship between distal and proximal pressures. The invention provides values of a central arterial blood pressure and of a proximal flow rate which are useful in diagnosis of an elevated heart pressure or hypertension or both. The method has been validated using clinical trials. The method of the invention reproduced the values obtained using invasive methods from the clinical trials.

The present invention discloses a nursing pressing hemostasis device: comprising a core pressing mechanism, the core pressing mechanism comprising an upper annular frame; side connecting ears are symmetrically provided on both sides of the upper annular frame; and also comprising an adjustable strap, the two ends of the adjustable strap being fixed on the side connecting ears; precise positioning and pressure application: the ingenious design of the upper annular frame, the sliding track and the core functional shell in the core pressing mechanism ensures that the annular outer elastic pressing pad and the inner elastic pressing pad can be precisely aligned with the patient's arterial blood vessels. The stable sliding of the guide block in the long guide groove not only provides precise guidance for the movement of the core functional shell, but also enables the pressing pad to flexibly adjust its position according to actual needs, thereby ensuring precise pressure on the arterial blood vessels, greatly improving the success rate and effect of hemostasis, and effectively reducing hemostasis failure or delay caused by inaccurate pressing position.

The invention discloses an extravascular stent, and relates to the technical field of medical instruments. The extravascular stent comprises a first sleeve joint piece, a second sleeve joint piece and a third sleeve joint piece, the first sleeving piece is suitable for being arranged on the periphery of a vein in a sleeving mode, a plurality of deformation grooves are formed in the first sleeving piece, the area between every two adjacent deformation grooves is hollowed out, and the deformation grooves are used for enabling the first sleeving piece to adapt to the diameter change of the vein; the second sleeving piece is connected with one side of the second end of the first sleeving piece, and the second sleeving piece is suitable for being connected to the periphery of the artery blood vessel on the upstream side in a sleeving mode; the third sleeving piece is connected with the other side of the second end of the first sleeving piece, and the third sleeving piece is suitable for being connected to the periphery of the artery blood vessel on the downstream side in a sleeving mode. According to the extravascular stent provided by the invention, the structural design is improved, the mounting convenience of the extravascular stent is improved, the operation time is shortened, the adaptability of the extravascular stent to the diameter change of a vein is improved, the material cost is saved, and the treatment cost is reduced.

An arterial blood module (16) that is removably connectable to an arterial blood collection element (14) is disclosed. The arterial blood module includes a housing (30), a needle (32), a cap (34) removably securable over the needle, a mixing chamber (36), and a safety shield (38) engaged with a portion of the housing and transitionable from a first shield position in which a portion of the needle is exposed to a second shield position in which the needle is shielded by a portion of the safety shield. In one embodiment, the present disclosure includes an arterial blood collection system (10) that includes an arterial blood collection element (14) defining a collection chamber (20) and an arterial blood module (16) removably connectable to a portion of the arterial blood collection element.

The invention relates to the technical field of biomedical materials, in particular to a solid-liquid two-phase embolism agent with a surface cilium structure and a preparation method thereof. Comprising an oil-phase liquid embolism material and a Janus cilia microsphere with a hydrophilic cilia structure, the oil-phase liquid embolism material is wrapped by the Janus cilia microspheres, and during wrapping, hydrophilic cilia structures in the Janus cilia microspheres are outwards exposed in a water phase, so that the surface of the solid-liquid dual-phase embolism agent has cilia structures; the cilia structure can improve the interaction force between embolism material particles and between the embolism material particles and a blood vessel wall, has excellent viscoelasticity and deformability, can reach finer artery blood vessels, realizes efficient thick and thin artery embolism, and improves the tumor embolism chemotherapy efficiency; the cilia structure is combined with a solid-liquid two-phase system, so that the embolism effect is improved, the stability of the embolism agent is enhanced, the action time is prolonged, the biocompatibility is optimized, and the application prospect is wide.

The utility model belongs to the technical field of intelligent watches, and discloses a healthy intelligent watch capable of monitoring blood pressure in real time, which comprises an intelligent watch main body, a display screen is arranged on the upper surface of the intelligent watch main body, and the left side and the right side of the intelligent watch main body are respectively connected with a connecting block and an optical sensor in a buckled mode. The optical sensor is fixedly installed on the lower surface of the intelligent watch main body, and the optical sensor is in signal connection with the intelligent watch main body. Continuous signal collection is performed on the skin of a user through an optical sensor on the lower wall of the watch in a certain time period, and signal processing is performed on continuous images in a certain time period, so that the light absorption change of the skin at the time point is obtained, and the flow velocity change of arterial blood is obtained through the light absorption change of the skin. And the change value of the blood pressure is calculated through the fluid model, so that the real-time monitoring of the blood pressure of the user is realized.

The invention relates to the technical field of membrane materials, in particular to an asymmetric PMP hollow fiber oxygenation membrane and a preparation method and application thereof. The PMP hollow fiber oxygenation membrane comprises a main body, one side of the main body is an inner surface facing an inner cavity, and the other side of the main body is an outer surface; the outer surface has a compact surface; the initial foaming point of hydrofluoroether of the oxygenation membrane is not lower than 2MPa, and the porosity of the oxygenation membrane is 40%-70%; the oxygen flux of the oxygenation membrane is 1 ml / (cm < 2 > * min * bar)-2.5 ml / (cm < 2 > * min * bar), and the separation ratio alpha (CO2 / O2) of carbon dioxide to oxygen of the oxygenation membrane is not lower than 1.8; the oxygenation membrane has appropriate oxygen flux and a high separation ratio alpha of carbon dioxide and oxygen, the oxygenation capacity of the oxygenation membrane is truly and greatly improved, the difference between the oxygenation membrane and the lung of the human body is shortened, and the oxygenation membrane can be used as an artificial lung to provide arterial blood for the organs of the human body and enable the organs of the human body to still work normally.

The invention discloses a plateau oxygen supply controller and method based on an event-triggered learning mechanism, and belongs to the technical field of plateau oxygen supply. The plateau oxygen supply controller comprises a blood oxygen saturation acquisition module and an event-triggered learning controller module of oxygen supply concentration; an oxyhemoglobin saturation SpO2 sequence is obtained through an oxyhemoglobin saturation acquisition module, and an arterial blood oxygen partial pressure PaO2 sequence is obtained through calculation according to an oxygen separation curve equation; the oxygen supply concentration percentage FiO2 is obtained; and the learning controller module is triggered by the event of the oxygen supply concentration to optimize the oxygen supply concentration percentage FiO2 through the minimum quadratic performance index. According to the plateau oxygen supply controller and method based on the event-triggered learning mechanism, the oxygen supply controller is designed for the resource-limited plateau hypoxia exercise process, so that the oxyhemoglobin saturation is effectively adjusted, and strong adverse reactions occurring in the hypoxia exercise process are relieved.

The present invention relates to a method to determine cerebral autoregulation (CA) state in a subject. The method of the invention comprises the provision of high frequency measures of Arterial Blood Pressure (ABP) and Intracranial Pressure (ICP) and their characterization using an artificial neural network trained on reference concurrent measurements of ABP and ICP corresponding to a reference CA state. The invention further relates to a device for monitoring a subject's CA state configured for the implementation of the method of the invention and to a computer-readable storage medium for CA state monitoring device, comprising an artificial neural network trained on reference concurrent measurements of ABP and ICP corresponding to a reference CA state.