55 results about "Taking blood pressure" patented technology

The present invention discloses a sphygmomanometer having 3D positioning function, which comprises a microprocessor chip which is coupled individually to a microprocessor chip which is coupled individually to a pressure sensor, an alarm unit, a storing unit, a 3D acceleration sensor chip, a display device, a driving device, and an air valve, so that when a person's blood pressure is measured, the 3D acceleration sensor chip detects the spatial position of the measuring cuff of the sphygmomanometer and sends the parameters related to the detected spatial position to the microprocessor chip. In the meantime, the microprocessor chip will retrieve a predetermined range of the parameters related to the spatial position from the storing unit, and compare such range with the value of the detected parameters. If the values of the detected parameters fall beyond the predetermined range of parameters, the microprocessor chip will issue an alarm through the alarm unit until the spatial position is correct. Thus the person who takes blood pressure measurement can always get the most accurate measurement.

Disclosed is a method for measuring an arterial blood pressure of a subject comprising detecting a pulse-wave-related signal of the subject; extracting a feature from the signals; determining a factor that can affect the arterial blood pressure of the subject; and determining the arterial blood pressure based on the feature with an automatic compensation for the factors. The disclosed method reduces the error in measuring the blood pressure based on characteristics of the pulse-wave-related signals.

The invention provides a self-service type cardiovascular function detecting system and a using method thereof. The system comprises an identity information acquisition component, a blood pressure and pulse wave signal acquisition component and a man-machine interaction component, and a man-machine interaction technology and an identity identification technology are combined. The using method of the self-service type cardiovascular function detecting system comprises the following steps: firstly, switching on the power supply and starting the system; secondly, verifying individual identity information; judging whether the verification succeeds; entering into a testing interface and preparing acquisition of blood pressure and pulse wave data; measuring the blood pressure; measuring the pulse wave; analyzing and storing the blood pressure and the pulse wave data; and storing, displaying and printing the testing result. The self-service type cardiovascular function detecting system has the functions of measuring procedure introduction, operation step-by-step guidance, detecting state prompting, detecting quality evaluation and the like; a user can perform corresponding operation according to the prompting of videos, flashes, images and words in analysis software; and the self-service detection of the cardiovascular function can be accomplished conveniently and rapidly without the assistance of professional personnel.

The invention provides a model training method and device and a blood pressure measurement method and device. The model training method includes the steps of obtaining heart beat signals, blood pressure information and personal information of a subject; extracting heart beat feature information from the obtained heart beat signals; adopting the extracted heart beat feature information and personalinformation as input features of a blood pressure measurement model, adopting the obtained blood pressure information as an output result of the blood pressure measurement module, and conducting training to obtain the blood pressure measurement model for measuring blood pressure of a user. According to the provided model training method and device and the blood pressure measurement method and device, by training the blood pressure measurement model capable of automatically measuring blood pressure to help the user measure the blood pressure, the purpose of continuous measurement of the bloodpressure is achieved, the problem that the daily life of the user under a cuff inflation measurement mode is interfered can be avoided, and the use experience is great.

The invention discloses a system capable of measuring blood pressure and a use method thereof. The system comprises a blood pressure measuring control chip, a Bluetooth module and a blood pressure measuring belt which are arranged in a blood pressure measuring device, and a mobile phone blood pressure control unit, a display module, a mobile phone Bluetooth module and a storage module arranged in a main body of a mobile phone; the method for measuring the blood pressure comprises the following steps of: 1) measuring a blood pressure value by the blood pressure measuring control chip; 2) transmitting the blood pressure value to the mobile phone blood pressure control unit in a wireless way; 3) displaying the blood pressure value data; 4) judging whether the blood pressure value is within a safety range, if so, performing step 5), if not, continuing step 6); and 7) storing the blood pressure value data. The invention saves the cost for measuring blood pressure and the time cost, is convenient to measure and beneficial to monitoring the blood pressure condition in real time, and has the functions of monitoring and warning.

The invention belongs to the technical field of medicine, and particularly relates to a preparation method for a living hypertension animal model caused by high-sugar and high-fat feed feeding. The model can be used for the screening, pharmacological studies and efficacy evaluation of medicaments for treating living hypertension. The living hypertension animal model can be established by feeding high-sugar and high-fat feeds (5 to 15 percent of sucrose, 5 to 15 percent of lard, 0.5 to 5 percent of cholesterol, 0.2 to 2 percent of bile salt and the balance of ordinary feeds) to normal SD rats in a model group every day for 8 to 17 weeks. The influence of the long-term feeding of the high-sugar and high-fat feeds on the blood pressure of the rats and functions of visceral organs such as the liver and the kidney is monitored by taking blood pressure indexes, mainly systolic pressure, as main model screening indexes and taking indexes in serum and urine as auxiliary indexes.

The invention relates to a kind of measuring apparatus and methods, which is contacting with the arterial vessel surface nearby the life body by transducer, and measuring the followings through life body vessel: blood pressure, pulse frequency, cardiac frequency, blood flow volume, blood drag force and vascular sclerosis parameter. It can also be applied in hand-held communication apparatus, or personal digital assistant, comprising: measuring probe to measure the life body vascular system physical characteristic parameter; ways to judge whether the transducer can detect the diastolization pressure; ways to calculate and ascertain diastolization pressure by the detected waveshape if the transducer hasn't detected it; and pressure or displacement transducer. The invention makes the blood pressure measuring device more simple, smaller and more convenient to use.

The invention discloses an adjustable sphygmomanometer cuff with rulers, which comprises an outer cuff and a built-in inflating airbag. The long edge and the wide edge at the periphery of the cuff are respectively provided with a ruler; the built-in inflating airbag consists of 13 independent inflating airbags with the length of 250mm; and one end of each inflating airbag is communicated with a horizontal inflating channel, while the other end is a blind end. An intersection part of the inflating channel and each inflating airbag has a ball bag structure in which a small entity ball is arranged, and the small entity ball can move along the inflating channel under the action of external force to block the inflating airbag and adjust the total width of the inflating airbag. Six ball bag structures are arranged at the position of 150-250mm of each inflating airbag, and small entity balls are arranged in the ball bag structures, can move along the inflating airbag under the action of external force to adjust the length of the inflating airbag. The rulers of the cuff measure the length of the upper arm and the arm circumference of a testee, the width and length of the inflating airbags required by the cuff are calculated, and the width and length of the cuff are adjusted by moving the small balls in the inflating channel and the inflating airbags so as to meet the requirements of clinical different individuals on blood pressure measurement.

The invention discloses an apparatus and method for measuring a blood pressure. In particular, the method and apparatus according to the invention are capable of eliminating motion artifacts induced by, for example, talking, irregular breathing, frequent swallowing, coughing, shaking, and so on motions of a subject. The method and apparatus according to the invention utilizes a set of fuzzy logic rules and a curve-fitting way to eliminate the motion artifacts.

The invention provides electronic equipment for measuring blood pressure. The electronic equipment for measuring the blood pressure comprises a measuring assembly, an air bag and a fluid pipeline. A fluid pump and a pressure sensor in the measuring assembly correspondingly communicate with the air bag through a first fluid pipeline and a second fluid pipeline, a first pipe opening of the first fluid pipeline and a second pipe opening of the second fluid pipeline are formed in the same side of the air bag, and the opening direction of one of the first pipe opening and the second pipe opening deviates from the other one, so that the first pipe opening and the second pipe opening are far away from each other. Therefore, interference of air flow of the air bag on the pressure sensor is reduced, and blood pressure measuring precision is improved.

A system for facilitating measurement of a person's blood pressure having: a) a cuff that is configured to: i) be operatively situated in relationship to a person's arm; and ii) strategically exert different pressure on the person's arm to controllably restrict blood flow therein; and b) a base assembly that supports the cuff. The base assembly is configured to allow selective placement of the cuff in first and second different positions relative to the person with the person in a measurement taking position. The cuff in the first position is configured to be operatively situated in relationship to the person's left arm. The cuff in the second position is configured to be operatively situated in relationship to the person's right arm.

A blood pressure measurement control method for controlling the measurement of a blood pressure according to an oscillometric method has the steps of determining whether to employ a depressurization measurement method or a pressurization measurement method to measure the blood pressure according to a person to be measured, performing a measurement process of the blood pressure in a depressurization process when determined to measure the blood pressure with the depressurization measurement method, performing a measurement process of the blood pressure in a pressurization process when determined to measure the blood pressure with the pressurization measurement method, and outputting the measured blood pressure value.

A mobile phone includes a control unit having two amplification circuits, an ADC, a control IC, a display circuit, and an inflation control circuit; first and second measurement units; and a releasably attached inflatable wrist band having a sphygmomanometer and an air pump. In response to wrapping the wrist band around the wrist of a user holding the mobile phone with the sphygmomanometer being in contact with the wrist and the hand holding the mobile phone being in contact with the measurement units, the first measurement unit measures body temperature and total calories, the second measurement unit measures pulse, the control IC enables the sphygmomanometer to measure blood pressure, signals about body temperature, total calories, pulse, and blood pressure are processed by the control IC to convert into corresponding data, and the display circuit sends the data representing the vital signs to a display of the mobile phone.

Disclosed is a medical instrument for daily blood pressure measurement and ischemic preconditioning training of users. The medical instrument mainly comprises a measurement module, a circuit board control module and a man-machine interaction module, wherein the measurement module comprises an air pump, an air pressure sensor, a release valve, a six-way valve, a leak valve, a left cuff and a rightcuff, which are all connected through silicon rubber hoses; the circuit board control module comprises a power circuit, a power voltage detecting circuit, an overcharge protecting circuit, a signal collecting circuit, a filter circuit and a driving circuit; the man-machine interaction module comprises a liquid crystal display module, keys and a voice module. The medical instrument, namely, an ischemic preconditioning instrument integrates the functions of blood pressure measurement, training and inquiry, and through blood pressure measurement and ischemic preconditioning training, plays a positive role in preventing accidents of cardiovascular and cerebrovascular diseases such as cerebral infarction and sudden cardiac death, and meanwhile, by means of a manner of pressing both arms simultaneously, ensures maximization of ischemic preconditioning training effects.

The invention discloses a method for preparing a corn macromolecular polypeptide based on gastrointestinal digestion, and relates to the field of polypeptide preparation. The method comprises the following steps of: dissolving zein with ethanol; carrying out preheating in a water bath; slowly adding isothermal water; diluting the ethanol concentration of the solution; regulating the protein concentration; pretreating the zein with energy-gathering type ultrasound (cell cracker); regulating the temperature and the pH value after the pretreatment; adding pancreatin, and then carrying out enzymolysis; maintaining the pH value constant with a sodium hydroxide solution; regulating the pH value after the enzymolysis; evaporating the ethanol by rotary evaporation; supplementing water; carrying out enzyme deactivation; and carrying out spray drying to obtain a finished product of macromolecular corn polypeptide. According to the method provided by the invention, the zein is pretreated by adopting ultrasound, so that the homogeneity of an enzymatic hydrolysate is obviously improved; and meanwhile, the gastrointestinal digestion function of a human body is fully utilized, so that the macromolecular corn polypeptide is further degraded into small-molecular active peptides in the human body, and the biological activity (taking blood pressure lowering activity as an index) is obviously improved.

The invention provides a continuous blood pressure measurer. When the continuous blood pressure measurer is used for measuring blood pressure, features used for blood pressure equation estimate are selected from a large quantity of extracted feathers and are transmitted to a decision system, and an equation for estimating blood pressure is determined from a blood pressure equation set; then features for estimating coefficients of the blood pressure equation are selected from extracted features in feature extraction by the aid of feature selection, and the coefficients of the blood pressure equation are estimated via methods such as statistical estimation, numeric calculation and the like; and finally, features for estimating blood pressure are selected from the extracted features in feature extraction by the aid of feature selection, and are substituted into the blood pressure equation for realizing blood pressure estimate. A pulse wave velocity method based on multiple parameters and a method for creating the blood pressure equation set are utilized, blood pressure estimate is realized by the aid of a manual intelligent method, a mode recognition method and the like, measurement precision of blood pressure estimate is further improved, and a troublesome parameter calibration process is avoided.

A sphygmomanometer includes: a bag-shaped sensing cuff to be worn to wrap a measurement site; a back plate disposed on the sensing cuff along a surface opposite to the measurement site; a pressing member for pressing the back plate toward the measurement site; and a blood-pressure calculating part calculating a blood pressure based on a pressure of a fluid stored in the sensing cuff. Regarding a longitudinal direction perpendicular to a circumferential direction of the measurement site to be wrapped by the sensing cuff, a surface facing the measurement site in edge potions on both sides in a width direction along the longitudinal direction of the back plate is curved in a direction away from the measurement site toward tips.

The invention belongs to the technical field of horse health monitoring, and discloses an intelligent collar for horse health monitoring and a monitoring method. A body temperature monitoring module is used for detecting the body surface temperature of a horse through a temperature sensor; a heart rate monitoring module is used for measuring the heart rate of the horse by collecting the pulse information of the horse on the body surface of the horse; a blood oxygen amount monitoring module is used for monitoring the blood oxygen amount of the horse in real time through the body surface of thehorse; and a blood pressure monitoring module is used for inflating a blood pressure cuff through an air pump and detecting the blood pressure of the body surface of the horse through a blood pressuremonitoring probe. The intelligent collar integrates the detection of the body temperature, heart rate, blood oxygen amount and blood pressure of the horse, detection data can be processed and optimized through a single-chip microcomputer and transmitted to a mobile terminal of a monitoring person through a wireless transceiver, remote monitoring can be achieved, monitoring items are complete, thehealth state of the horse can be truly reflected, and the intelligent collar is simple in structure, convenient to use and high in informationization degree.

An electronic sphygmomanometer includes a cuff containing an air bladder, an air charger, an air discharger, a pressure sensor, a memory; a display, and CPU for executing programs stored in the memory and calculating a blood pressure value based on the pressure changes within the air bladder. The CPU further includes an estimation processing part for calculating an estimated blood pressure value based on the pressure change within the air bladder during the inflation of the air bladder at a first rate, a measurement processing part for measuring a blood pressure value based on the pressure change within the air bladder during the deflation of the air bladder at a second rate, and a determination processing part for comparing the estimated blood pressure value with the reference blood pressure value and determining whether the estimated blood pressure value is within a predetermined range from the reference blood pressure value.

A wearable device for measuring blood pressure comprises a housing with through-holes formed thereon, a processing unit disposed in the housing, a display connected to the processing unit, a plurality of sensors connected to the processing unit, the sensors being configured to transmit at least one physiological signal to the processing unit via the through-holes, and a time delay structure connected between one of the through-holes and one of the sensors and configured to lengthen a path distance between the skin surface and the sensor, wherein the processing unit is configured to determine a systolic arterial pressure and a diastolic arterial pressure by the at least one physiological signal and a Moens-Korteweg (MK) function, and to control the display to display the systolic arterial pressure and the diastolic arterial pressure to be read by the user.

The invention relates to a home management method and system for hemodialysis patients based on an informatization technology. The method is characterized in that 1) a management system comprising a patient end, a medical care end and a server is arranged, and the medical care end is wirelessly connected with the patient end through the server or directly connected with the patient end to form a two-way communication loop; 2) the patient end carries out weight measurement reminding, blood pressure measurement reminding, water drinking reminding and medicine taking reminding at regular time so as to enable a patient to carry out weight measurement, blood pressure measurement, quantitative water drinking and quantitative medicine taking at regular time, and if the weight, the blood pressure and the water intake of the patient exceed limits, an alarm is given out; and 3) the medical care terminal monitors the body weight, blood pressure, water intake and medicine taking of the patient and performs health propaganda and education to guide the patient to control the body weight, measure the blood pressure, control the water intake and a medicine taking amount, and the medical care terminal transmits propaganda and education videos or documents to the patient terminal to supervise and urge the patient to conduct learning, observe the learning progress and perform examination reminding. The method and the device have the outstanding substantial characteristic and remarkable progress of capability of monitoring the body weight condition, the water drinking condition and the blood pressure control condition of the patient.

The invention provides a super stethoscope. The super stethoscope is of a patch type structure, and the patch type structure comprises a flexible base material, acoustic sensors, electric sensors, optical sensors, mechanical sensors and an information processor, wherein the lower surface of the flexible base material is provided with a plurality of suction cups used for adsorbing the skin of the human body; the acoustic sensors are arranged in the suction cups and used for collecting heartbeat sounds or heartbeat states; the electric sensors are arranged in the suction cups and used for measuring the heart rhythm, the temperature and the humidity and measuring the concentration of electrolyte in sweat; the optical sensors are arranged in the suction cups and used for measuring the oxygen saturation, the blood pressure and the heart pulse and measuring the body temperature; the mechanical sensors are arranged on the upper surface of the flexible base material and used for measuring the motion state; and the information processor is arranged on the upper surface of the flexible base material, the input end of the information processor is connected with the output ends of the acoustic sensors, the electric sensors, the mechanical sensors and the optical sensors, and the information processor acquires collected data of the acoustic sensors, the electric sensors, the mechanical sensors and the optical sensors and sends the collected data to an AI terminal.

The invention discloses blood pressure measuring equipment. The blood pressure measuring equipment comprises an equipment main body, an air bag, an air nozzle and a piston, wherein an air pump is arranged in the equipment main body; a mounting hole and an air channel connecting hole communicating with the mounting hole are formed in a shell of the equipment main body; the air channel connecting hole communicates with an air outlet of the air pump; the piston is mounted in the mounting hole; the piston is provided with a piston sealing part capable of forming seal with the mounting hole locatedabove the air channel connecting hole; the air nozzle is provided with a through hole communicating with the air bag; and when the air nozzle is inserted into the mounting hole, the piston is presseddown until the piston sealing part is located below the air channel connecting hole, and the through hole communicates with the air channel connecting hole. By applying the blood pressure measuring equipment provided by the invention, the piston moves up and down in the mounting hole and is matched with the air channel connecting hole, so that the equipment main body can have a waterproof function when the air bag is removed under the condition that the air bag is not used at ordinary times; and when blood pressure needs to be measured, the air nozzle of the air bag is connected, and the blood pressure can be normally measured.

The invention belongs to the technical field of medicine, and particularly relates to a preparation method for a living hypertension animal model caused by high-purine feed feeding. The model can be used for the screening, pharmacological studies and efficacy evaluation of medicaments for treating living hypertension. The living hypertension animal model can be established by feeding high-purine feeds to normal SD rats every day for 8 to 17 weeks. The influence of the long-term feeding of the high-purine feeds on the blood pressure of the rats and functions of visceral organs such as the liver and the kidney is monitored by taking blood pressure indexes, mainly systolic pressure, as main model screening indexes and taking indexes in serum and urine as auxiliary indexes.

The invention discloses a blood pressure measuring device based on an intelligent cuff. The blood pressure measuring device is composed of a cuff outer layer (1), an inner-layer air bag (2), a flexible integrated circuit board (3), a pressure ball (4), a limiting ring (5) and the like, wherein the sensor assembly part of the flexible integrated circuit board (3) is arranged in the inner layer air bag (2); and (3) a power supply module part of the flexible integrated circuit board is arranged outside the inner-layer air bag (2), so that a battery can be conveniently replaced or charged. The flexible integrated circuit board (3) is composed of an MCU controller (16), a pressure sensor (11), an acceleration sensor (12), a microphone sensor (13), an acquisition module (14), a power supply module (15), a transmission module (17) and the like. The blood pressure is measured by acquiring air pressure and pulse sound data in the cuff and adopting a method of combining a Korotkoff sound method and an oscillography method. And the blood pressure is transmitted to terminal equipment through Bluetooth or WIFI or other wireless / wired modes, including but not limited to terminal equipment such as a mobile phone, a tablet computer, a computer and the like (18). The current pressure value and the current blood pressure result are displayed in real time through the terminal equipment, and the pulse pulsation sound can be played and used for judging the Korotkoff sound method. The intelligent sphygmomanometer is the same as a common cuff in appearance, convenient to carry and capable of replacing a traditional mercury sphygmomanometer and an electronic sphygmomanometer.

The invention discloses a method for preparing a milk macromolecular polypeptide based on gastrointestinal digestion, and relates to the field of polypeptide preparation. The method comprises the following steps of: carrying out heating denaturation on milk protein in an oil bath, cooling the milk protein to room temperature, and pretreating the milk protein by using energy-gathering type ultrasound; and after the pretreatment, adjusting the temperature to 40-60 DEG C, adding neutral protease, carrying out enzymolysis to a certain degree of hydrolysis, then carrying out enzyme deactivation, and carrying out spray drying after cooling to prepare a macromolecular milk polypeptide finished product. According to the method provided by the invention, the milk protein is prepared into macromolecular milk polypeptide to eliminate discomfort reactions of a human body; the gastrointestinal digestion function of the human body is fully utilized to further degrade macromolecular milk polypeptidein the human body, and the biological activity (taking blood pressure lowering activity as an index) is obviously improved; heat and ultrasonic waves are combined to pretreat the milk protein to improve the homogeneity of an enzymatic hydrolysate; and compared with direct enzymatic hydrolysis, the amount of the milk protein which is not enzymatically hydrolyzed is significantly reduced.

The sphygmomanometer comprises a cuff (2) and a measuring host, and is characterized in that the cuff (2) is bound to the arm of a user through an automatic binding mechanism, the automatic binding mechanism can automatically judge whether the wearing tightness of the cuff (2) is proper or not, the measuring host measures the blood pressure value through oscillography, and the blood pressure value is measured through the Bluetooth. And the measured value is sent to the mobile terminal through the Bluetooth module. The contact degree of the cuff and the arm is measured through the pressure sensor, so that it is ensured that the cuff and the arm are not in tight or loose contact, and the accuracy of follow-up measurement data is ensured.

Provided is a technology for measuring a user's blood pressure by using light sources, in which the blood pressure measuring apparatus includes: a light emitter configured to emit one or more lights having different penetration characteristics toward a user; a light receiver configured to receive the lights that have penetrated through the user, and acquire photo-plethysmography (PPG) signals from the received lights; and a blood pressure measurer configured to measure a phase difference between the acquired PPG signals, and measure a blood pressure based on the measured phase difference.