563 results about "Blood pressure" patented technology

The invention provides a small-capacity air bag blood pressure detection system and a precise pressure control method thereof. A micro air pump is communicated with an air inlet of a small-capacity air bag through a pipeline, and a linear proportional valve is arranged on an air release opening of the small-capacity air bag and used for controlling the opening, closing and flow of the air release opening of the small-capacity air bag; the miniature air pump is normally opened and provides stable-flow input air flow for the small-capacity air bag, the valve opening degree of the linear proportional valve is changed by executing a self-adaptive differential constant-pressure control algorithm, then the air release speed of an air release opening of the small-capacity air bag is changed, and pressure adjustment of the small-capacity air bag is achieved by changing the difference between the inflation speed and the deflation speed. According to the invention, rapid pressure stabilization can be realized, and pressure overshoot is hardly generated after the pressure is stabilized; the pressure control precision of 1mmHg at any pressure regulation step length is realized; the problem that the traditional single-parameter closed-loop control cannot meet the precise control of each pressure interval is solved; the production cost is further reduced, and the out-of-hospital scene adaptability and the popularization degree of the equipment are improved.

The invention provides a sudden cardiac death high-risk group multi-modal data intelligent analysis and prediction method and system, and relates to the technical field of medical health monitoring, and the method comprises the steps: collecting multi-modal data, projecting an electrocardiogram to a three-dimensional coordinate system, extracting potential trajectory features, and calculating a space-time discrete index; performing dynamic response analysis on the blood pressure data, and matching with a space-time discrete index to calculate a cardiovascular coupling coefficient; and performing segmented correction according to the motion state data, monitoring a coupling coefficient deviation condition in real time, calculating a risk degree and generating an early warning. According to the method, heart abnormity can be found in advance, and sudden cardiac death can be effectively prevented.

The invention discloses an automatic positive pressure tube sealing device and a tube washing device in the technical field of medical auxiliary instruments. The automatic positive pressure pipe sealing device comprises a liquid supply mechanism, the liquid supply mechanism comprises a liquid storage pipe and a pushing assembly, and the pushing assembly is arranged in a containing cavity of the liquid storage pipe. The pushing assembly comprises a piston and a pushing rod, the piston is arranged in the containing cavity, an elastic piece is arranged between the pushing rod and the piston, mechanical energy generated when the pushing rod moves is converted into stable elastic potential energy, the elastic piece is used for slowly releasing the elastic potential energy, and the piston can apply pressure to liquid in the liquid storage pipe for a long time; the liquid in the liquid storage tube is in a positive pressure state for a long time and can be in a positive pressure state relative to the blood pressure of a human body for a long time, and blood is prevented from flowing back to the venous catheter. After the push rod moves towards the piston by a certain distance, the push rod and the liquid storage pipe can be kept relatively fixed, the elastic piece can release elastic potential energy in the direction close to the piston, the elastic potential energy of the elastic piece completely acts on the piston, and automatic pipe sealing operation is achieved.

The invention discloses a blood pressure measuring method, a user interface and a related device.According to the method, after blood pressure measuring operation is detected, whether a user has a heartbeat irregular symptom or not is judged based on historically-collected first data and / or second data collected after the blood pressure measuring operation is detected; and determining the blood pressure value of the user on the basis of the blood pressure values measured for multiple times under the condition of determining that the user has the symptom of irregular heartbeat. In this way, the user does not need to actively inform the device of the symptom of irregular heartbeat, the trouble of user operation is reduced, the device can automatically recognize the physical condition of the user, the blood pressure is measured in a targeted measurement mode according to the physical condition of the user, and accurate measurement of the blood pressure is achieved.

The application provides a blood pressure measuring device and an electronic device. The blood pressure measuring device comprises a main body, a processor, an air bag, an air supply and exhaust device, a driving device, an air pressure sensor and a flow meter. The main body comprises a cavity, the air bag has an air cavity, and the air bag is fixed to one end of the main body; the air supply and exhaust device is connected to the air cavity of the air bag through a first air path; the air pressure sensor is connected to the air cavity of the air bag through a second air path; the flow meter is used for detecting the gas flow value between the air supply and exhaust device and the air bag, or for detecting the gas flow value between the air pressure sensor and the air bag; and the processor can compensate the air pressure value detected by the air pressure sensor according to the gas flow value detected by the flow meter and the corresponding relationship between the gas flow value and the air pressure compensation value, so that the influence of the blood pressure measuring device on the measurement value of the air pressure sensor during the air charging and discharging process can be effectively reduced, and the blood pressure measurement result is relatively accurate.

The invention relates to the technical field of physiological parameter monitoring, in particular to a patient physiological feature monitoring method based on nursing sampling data. Comprising the following steps: acquiring body temperature, pulse and systolic pressure data in different periods, marking time and sources to generate a period-divided sequence, dividing sampling frequencies in combination with parameter variation and historical data to generate hierarchical labels, identifying trend directions to construct a classification list, extracting time node marking trends to generate a positioning table, and marking the time node marking trends according to the positioning table. And integrating the frequency trend relationship to construct an atlas identification set. According to the method, the anomaly tracking efficiency is improved by integrating parameter data in different time periods and marking source time, enhancing data relevance, dynamically evaluating parameter change characteristics and historical fluctuation levels, dividing adaptive sampling frequencies, optimizing monitoring density and reducing redundancy, identifying trend directions and classifying structures, and constructing positioning labels; the spectrum identification is constructed by integrating the frequency and trend relation, real-time early warning is supported, the nursing strategy and the patient state are synchronized, and high-time-efficiency accurate intervention is supported.

Systems and methods for implanting a shunt for regulating blood pressure between a patient's left and right atria are provided. The shunt comprises an anchor having a neck region, first and second end regions, and a conduit affixed with the anchor formed of a biocompatible material that is resistant to transmural and translation tissue ingrowth and that reduces a risk of paradoxical embolism. The shunt may be advanced through the sheath until the first region protrudes from the sheath and self-expands within the left atrium. The shunt and the sheath may then be retracted until the first region contacts the left side of the atrial septum. The sheath may further be retracted until the counterforce exerted by shunt tension on the atrial septum overcomes the friction of the retained portions of the shunt such that the second region is exposed from the sheath and self-expands within the second atrium.

There is disclosed a vital sign measuring device and method for obtaining an indication of a person's blood pressure via the person's finger by means of an inflatable measurement bladder adapted to contact only a portion of an underside of a finger defining a finger pad. A structure or other implement applies a downward force on a top portion of the finger opposite the finger pad. Blood pressure may be determined without the use of any electromagnetic radiation, such as miniature dynamic light sensing (mDLS). Apparatuses and methods for obtaining an indication of other vital signs, including hematocrit and total protein, are also disclosed.

The invention relates to a double-air-path control method, device and equipment for a binding system.The method comprises the steps that when it is detected that a human limb is placed in a cuff body support, a laminated air bag is inflated through a first air path, and when the obtained first air bag pressure value of an inner-layer air bag meets a first preset air bag pressure value, the first air bag pressure value of the inner-layer air bag meets a second preset air bag pressure value; generating a laminated airbag inflation stopping signal; when an inflation stopping signal of the laminated air bag is detected, inflation of the laminated air bag is stopped, and a current function instruction of the binding system is obtained; when the current function instruction is a blood pressure measurement instruction, the inner-layer air bag is inflated through a second air path, and when the obtained second air bag pressure value of the inner-layer air bag and the obtained pulse fluctuation value of the human limb meet the preset blood pressure measurement requirement, the laminated air bag and the inner-layer air bag are exhausted; compared with the prior art, according to the technical scheme, the automation degree of binding can be achieved, and the accuracy of follow-up measurement and the user experience are improved.

The invention provides a balloon inflation and deflation control method and a computer readable storage medium, the method is applied to a balloon inflation and deflation system, a balloon catheter of the balloon inflation and deflation system comprises a medium cavity and a blood cavity which are mutually independent, and a puncture sheath is provided with a lateral opening; the first sensor is connected with the medium cavity, the second sensor is connected with the lateral opening, and the third sensor is connected with the blood cavity; the method comprises the steps that a pumping mechanism is controlled to inject a filling medium into a balloon, and whether filling of the balloon is completed or not is determined according to a balloon internal pressure value detected by a first sensor and / or a balloon rear pressure value detected by a second sensor or a proximal end blood pressure value detected by a third sensor; determining the discharge amount of each stage according to the total filling amount when filling is completed and the preset discharge percentage of staged discharge; determining the discharge time of each stage according to a preset discharge speed and the discharge amount of each stage; and the pumping mechanism is controlled to discharge the filling medium in stages according to the preset discharge speed and the discharge time of each stage.

The invention discloses a traditional Chinese medicine composition for preventing and treating metabolism-related fatty liver diseases or metabolic syndromes. The traditional Chinese medicine composition is prepared from the following raw material medicines in parts by weight: 5-50 parts of sweet wormwood, 3-30 parts of scutellaria baicalensis, 5-50 parts of dandelion, 4-60 parts of platycodon grandiflorum, 5-50 parts of fructus aurantii, 3-80 parts of rhizoma pinelliae preparata, 3-70 parts of fructus amomi, 10-80 parts of stir-fried Chinese yam, 5-80 parts of poria cocos and 3-100 parts of raw coix seeds. The traditional Chinese medicine composition for preventing and treating the metabolism-related fatty liver diseases or the metabolic syndromes is simple in formula, proper in compatibility and mild in medicine property, is used for preventing and treating the metabolism-related fatty liver diseases or the metabolic syndromes, is used for improving liver fatty degeneration and inflammation, blood uric acid, blood fat, blood sugar and blood pressure, assisting weight loss and the like, and is safe to use and remarkable in curative effect.

A biometric handcuff device is disclosed, which identifies medical emergencies for those who are detained by police or security. The biometric handcuff device comprises a pair of law enforcement handcuffs that include a biometric sleeve inside the cuffs. The sleeve is constructed as a rubber insert that permanently stays in place within the cuffs. The biometric sleeve allows officers to track the breathing, blood pressure, and pulse of a handcuffed individual. The measurements taken may be observed remotely by police or medical personnel.

The invention provides a wearable patch based on flexible ultrasonic sensing and a use method, and relates to the field of medical monitoring equipment. The sensor comprises a sensing module, a self-adaptive signal processing module and a wireless data transmission module which are packaged by a flexible material and form an integrated flexible packaging layer, the sensing module comprises an ultrasonic transducer array, and the ultrasonic transducer array comprises a plurality of ultrasonic transducers; an ultrasonic transducer; the adaptive signal processing module comprises a microprocessor, an analog front end and a digital signal processor. Through fusion of a flexible electronic technology and ultrasonic sensing, the technical limitation of traditional rigid equipment is broken through, wearable, continuous and non-invasive blood pressure and blood flow synchronous monitoring is achieved, and an important technical scheme is provided for cardiovascular health management, disease early diagnosis and personalized medical treatment.

The invention relates to the technical field of medical data processing, in particular to an aortic dissection rupture risk early warning method based on a CTA image, and the method comprises the steps: determining the blood pressure abnormity trend representation degree corresponding to a target patient according to the systolic pressure distribution condition of the target patient in a preset historical time period, and predicting a possible high pressure time interval; obtaining a CTA image of a target patient, and determining a precursor rupture early warning index, a new rupture spread degree and a blood pressure image correlation degree; and on the basis of the systolic pressure, the overall correlation coefficient and the current CTA image of the target patient in the current period, aortic dissection rupture risk early warning is realized through a pre-trained aortic dissection rupture risk early warning network. When the network is used, the systolic pressure, the overall correlation coefficient and the current CTA image in the current period are combined, so that the richness of network input data is enriched, and the accuracy of aortic dissection rupture risk early warning is improved.

The invention discloses a cardiac valve postoperative management method based on cardiac function dynamic monitoring and analysis. A multi-modal dynamic monitoring system is innovatively constructed, a comprehensive sensor array and implantable monitoring equipment are fused, and multi-dimensional data such as electrocardio, blood pressure, myocardial strain and intracardiac pressure are comprehensively collected. A personalized digital heart model is built by means of a deep learning algorithm, a real-time risk assessment and early warning system is formed by combining big data and machine learning, and heart function changes and risks are accurately predicted. According to monitoring and analysis results, a drug treatment scheme is automatically and intelligently adjusted, and a personalized rehabilitation plan covering exercise, diet and psychological guidance is customized. By means of the method, precision and individuation of cardiac valve postoperative management are achieved, data integrity and accuracy are remarkably improved, the complication occurrence rate is effectively reduced, patient compliance is enhanced, and patient rehabilitation is powerfully promoted.

A blood pressure measurement device includes a case, a plurality of components including a pump provided in the case, a valve provided in the case, and a pressure sensor provided in the case, and a flow path plate unit in which a plurality of internal flow paths are formed, first ends of the plurality of internal flow paths being respectively connected to the plurality of components and second ends of the plurality of the internal flow paths being selectively connected to at least one of a plurality of cuffs and a plurality of testers configured to respectively test the plurality of components.

The invention provides an anesthesia auxiliary maintenance control system. The anesthesia auxiliary maintenance control system comprises a login module, a patient information input module, a management module, a patient vital sign acquisition module, a regulation and control switching module and an anesthetic injection condition module, the login module is used for completing user level-to-level management, a login self-checking function and a login recovery function; the patient information input module is used for inputting basic information of a patient and setting target data adjustment points of the patient, and the target data adjustment points comprise a blood oxygen adjustment point and a blood pressure adjustment point; the regulation and control switching module is used for realizing switching between manual regulation and control and automatic regulation and control; the management module is used for querying, displaying, modifying and storing historical operation records and realizing user management; the anesthetic injection condition module is used for setting and collecting the channel infusion speed.

The invention relates to the technical field of medical image processing, in particular to a cardiovascular surgery patient circulation state image real-time monitoring and early warning system. Comprising a video acquisition module, an image preprocessing module, a microcirculation evaluation module, a multi-part perfusion fusion module based on differential manifold, a trend prediction and early warning module and a clinical interaction and data integration module. A local perfusion index and a pulsation stability index are extracted after preprocessing, multi-part microcirculation signals are creatively mapped to a differential manifold for characterization, time-frequency dual-channel fusion driven by Riemannian geometry and an attention weighting mechanism are integrated into a whole-body perfusion comprehensive index, modeling is carried out based on a dynamic system on the manifold, and a whole-body perfusion model is established. Early warning can be provided before the conventional blood pressure is obviously reduced, precious time is gained for clinical intervention, invasive complications are avoided through a non-invasive monitoring mode, and whole-course continuous monitoring can be achieved.

The invention provides a blood pressure measuring method, electronic equipment and a storage medium. The wearable device is provided with one or more sensors, when blood pressure is measured, the wearable device can obtain sensor data and monitor the signal quality of the sensor data, and when the signal quality of the sensor data does not meet the requirement, the wearable device can prompt a user to adjust the posture. The signal quality of the sensor data meets the requirement. The wearable device may then estimate a blood pressure value of the user based on the sensor data for which the signal quality satisfies the requirement. Through the method, the comfort of measuring the blood pressure by the user through the wearable device is improved, and the accuracy of estimating the blood pressure value of the user based on the sensor data by the wearable device is also improved.

The utility model discloses a non-invasive blood pressure measuring system which comprises a machine box, an upper cover and an air heating assembly used for generating hot air, the upper cover is movably arranged on the machine box, a heating cavity is formed between the machine box and the upper cover, a heating partition plate is arranged between the machine box and the upper cover, a mounting cavity is formed between the heating partition plate and the machine box, and the air heating assembly is arranged in the mounting cavity. A detection cavity is formed between the heating partition plate and the upper cover; the air heating assembly is arranged in the mounting cavity, and a plurality of circulating air openings are evenly formed in the heating partition plate. Hot air is generated through the air heating assembly, enters the detection cavity through the circulating air opening of the heating partition plate, flows and heats the detection cavity, and then returns to the air heating assembly through the circulating air opening, so that circulating air heating is achieved; circulating air ports are formed in the left and right sides of the heating partition plate, so that the problem that heating power is concentrated locally is avoided.

The application discloses a cardiovascular maintenance functional wine based on a composite fermentation process and a preparation method thereof. Through synergistic fermentation of rosewood flavones, five-grain nutrients and rhizoma notopterygii blood-activating components, a cardiovascular maintenance wine with multiple effects of blood pressure regulation, microcirculation improvement, nerve protection and anti-inflammation is developed. Process parameters are optimized and designed to ensure efficient reservation and release of active components, and the cardiovascular maintenance wine is suitable for daily auxiliary conditioning of sub-healthy people and cardiovascular risk groups.

An electronic device and an apparatus for estimating blood pressure are provided. The apparatus may include a memory storing one or more instructions and a processor configured to execute the one or more instructions to extract a cardiac output (CO) feature, a first candidate total peripheral resistance (TPR) feature, and a second candidate TPR feature from a biosignal; determine one of the first candidate TPR feature and the second candidate TPR feature as a TPR feature based on a change direction of the CO feature and a change direction of the first candidate TPR feature between a blood pressure measurement time and a calibration time; and estimate blood pressure based on the TPR feature and the CO feature.

The fluid circuit (3) of the blood pressure measuring device (1) includes: a first cuff (71) connected to the secondary side of a pump (14) that supplies fluid to the secondary side; a first flow dam (21) connected to the secondary side of the first cuff (71); a second flow dam (22) disposed on the secondary side of the first flow dam (21) and connected to the atmosphere; and a second cuff (73) disposed between the first flow dam (21) and the second flow dam (22).

The invention provides a cardiac postoperative respiratory function monitoring system and method. The method comprises the steps that photoelectric volume pulse wave signals of a patient during cardiac postoperative breathing are collected through an intelligent optical sensor; extracting a heart rate variability signal of the patient, and determining a quantitative index of respiratory sinus arrhythmia of the patient through the heart rate variability signal; determining the arterial pressure variability of the patient according to the arterial pressure waveform, and fusing the arterial pressure variability and the quantitative index of the respiratory sinus arrhythmia to obtain the cardiopulmonary coupling strength; according to the cardiopulmonary coupling strength and the shallow and fast breathing index of the patient, combining a pre-trained failure prediction model during breathing machine withdrawal, outputting a failure risk value during machine withdrawal of the patient; and outputting a machine withdrawal decision support report of the patient according to the failure risk value and a preset individualized early warning threshold value. According to the scheme, the cardiac postoperative withdrawal risk can be evaluated based on the dynamic cooperation mechanism between the cardiovascular system and the respiratory system.

The blood pressure measuring device comprises a base, an arc-shaped bearing part, a fixed air bag cuff, a movable air bag cuff and a combined telescopic mechanism, the arc-shaped bearing part is arranged in the base, the fixed air bag cuff is fixed in the arc-shaped bearing part, one end of the movable air bag cuff is fixed at a fixed position in the base, and the other end of the movable air bag cuff is fixed at a fixed position in the base. The power mechanism and the execution mechanism of the second extension mechanism are separately arranged, the heavy power mechanism is allowed to be installed on the base, and the load of the first extension arm can be reduced.

The graphical user interface (GUI) of the present design is an image that has the function of displaying information about the body, such as measurement results related to blood pressure measurement.

The graphical user interface (GUI) of the present design is an image that has the function of displaying information about the body, such as a clock, blood pressure measurement results, and progress status.

Various arrangements for measuring blood pressure using radar are presented herein. Radio frequency (RF) signals may be emitted and RF reflection signals can be received in response. The RF reflection signals can be analyzed at a first distance range and a second distance range to identify a first time of a pulse pressure wave at an aortic valve of a user and a second time of the pulse pressure wave at an extremity of the user, respectively. A pulse transmit time (PTT) of the pulse pressure wave from the aortic valve of the user to the extremity of the user using the first time and the second time can be determined. Using the PTT, a blood pressure of the user can then be determined.

A method for adaptively scheduling non-invasive blood pressure measurement time intervals based on using a risk model to compute a risk of a patient suffering a pre-defined one or more adverse clinical events, for example within a pre-defined time window, and also based on a clinician risk assessment for a patient.