111 results about "Electrocardiographic monitor" patented technology

The invention relates to a 12 lead wireless remote cardiac electric monitoring system and pertains to the field of medical monitors. The system comprises two parts of a cardiac electric monitor and a monitoring center set in hospitals. The monitor comprises a data collection unit, a storage unit, a singlechip unit, a communication unit, a human-computer interaction unit and an electricity supply unit, wherein, the data collection unit adopts 12 lead synchronous cardiac electric monitoring, after the data collected by the data collection unit are treated by the A/D switching circuit, the cardiogram is displayed on a liquid crystal display (LCD) panel and then recorded in the storage module, meanwhile cardiac electric analysis is carried out, the analysis result is stored in the storage module, if users need to wirelessly transmit cardiac electricdata or a analysis report, the cardiac electricdata or the analysis report is read to the sending buffer, then the data is sent to the computer of the server of the monitoring center. The cardiac electric monitoring system is characterized by small volume, high degree of intellectualization, reliable performances, low cost and convenient operation and can obtain most cardiogram information required in clinic.

The invention relates to a low-power consumption portable electrocardiograph monitor and a control method thereof, which belongs to the field of medical appliances. The portable electrocardiograph monitor comprises an electrocardiosignal collection unit, an electrocardiosignal analysis and storage unit and an upper computer. The control method comprises the following steps of: step 1: carrying out digital filtering to collected signals by using a wavelet entropy optimal threshold denoising method; step 2: carrying out rejection of baseline drift to the signals processed by step 1 by using a morphological filtering method; and step 3: carrying out disease classification to the signals processed by step 2 by using a support vector machine algorithm. The invention has the advantage of high integrity, and has the characteristics of portability, compactness and economy.

A recognition algorithm of heart rhythm capable of electric shock cardioversion based on standard deviation fo the standardized slope absolute value, is suitable for disease diagnosis and treatment instrument or apparatus, including the steps: S1, preprocessing the electrocardiosignal; S2, recognizing whether the electrocardiosignal is the heart rhythm of cardiac arrest, if so, judging the heart rhythm as the heart rhythm incapable of electric shock cardioversion, otherwise, continuing the follow-up steps S3 and S4; S3, calculating the standard deviation of the standardized slope absolute value; S4, determining whether it pertains to the heart rhythm incapable of electric shock cardioversion or the heart rhythm capable of electric shock cardioversion based on the standard deviation of the standardized slope absolute value. The invention improves the sensitivity and specificity of recognizing the heart rhythm capable of electric shock cardioversion, simplifies the computational complexity of the algorithm, can be applied to the existing ECG guardianship equipment and automatic external defibrillator, and the like instruments requiring body surface electrocardiogram for recognizing the heart rhythm capable of electric shock cardioversion.

A portable ECG monitor and an overall system for remotely monitoring cardiac function of a patient is disclosed, together with a method of use. The portable ECG includes a multi-lead, multi-channel ECG monitor and a wireless communication device connected to the ECG monitor to receive patient ECG data and transmit the patient ECG data to a centralized facility, such as a hospital. The wireless communication device can include a mobile phone and/or an interactive Internet appliance. A method of remotely monitoring ECG data is also disclosed. The method and apparatus are particularly useful with patients experiencing symptomatic ischemia. The method includes providing a portable ECG device with wireless communication capabilities to such a patient, acquiring ECG data from the patient at a location remote from a health care facility, then transmitting the ECG data to the centralized facility, and assessing the ECG data at the centralized facility. The patient is then provided with instructions based on the ECG assessment. The centralized facility and the health care facility may be one in the same, or may be two different and distinct facilities.

A recognition algorithm of heart rhythm capable of electric shock cardioversion based on slope absolute value, is suitable for disease diagnosis and treatment instrument or apparatus, including the steps: S1, preprocessing the electrocardiosignal; S2, recognizing whether the electrocardiosignal is the heart rhythm of cardiac arrest, if so, judging the heart rhythm as the heart rhythm incapable of electric shock cardioversion, otherwise, continuing the follow-up steps S3 and S4; S3, calculating the distribution dispersion of the slope absolute value; S4, determining whether it pertains to the heart rhythm incapable of electric shock cardioversion or the heart rhythm capable of electric shock cardioversion based on the distribution dispersion of the slope absolute value. The invention improves the sensitivity and specificity of recognizing the heart rhythm capable of electric shock cardioversion, simplifies the computational complexity of the algorithm, can be applied to the existing ECG guardianship equipment and automatic external defibrillator, and the like instruments requiring body surface electrocardiogram for recognizing the heart rhythm capable of electric shock cardioversion.

A recognition algorithm of heart rhythm capable of electric shock cardioversion based on grid projection distribution dispersion, is suitable for disease diagnosis and treatment instrument or apparatus, including the steps: S1, preprocessing the electrocardiosignal; S2, recognizing whether the electrocardiosignal is the heart rhythm of cardiac arrest, if so, judging the heart rhythm as the heart rhythm incapable of electric shock cardioversion, otherwise, continuing the follow-up steps S3 and S4; S3, calculating the distribution dispersion of the grid projection; S4, determining whether it pertains to the heart rhythm incapable of electric shock cardioversion or the heart rhythm capable of electric shock cardioversion based on the distribution dispersion of the grid projection. The invention improves the sensitivity and specificity of recognizing the heart rhythm capable of electric shock cardioversion, simplifies the computational complexity of the algorithm, can be applied to the existing ECG guardianship equipment and automatic external defibrillator, and the like instruments requiring body surface electrocardiogram for recognizing the heart rhythm capable of electric shock cardioversion.

A blood vessel characteristics measurement device is provided with a blood flow measurement unit held at a position opposite to a skin surface in a measured region of an examinee, an optical sensor unit built in the blood flow measurement unit, an electrocardiographic monitor, and a control device. The control device has a blood flow measuring means, a blood vessel displacement deriving means, and a blood vessel condition deriving means . The blood flow measuring means measures the displacement of a blood vessel and blood vessel surrounding tissue due to a blood flow in accordance with the intensity of light when light receiving units receive the light projected from a light emitting unit of a sensor unit. The blood vessel displacement deriving means derives the displacement of an inner wall of a blood vessel in accordance with a blood vessel and blood vessel surrounding tissue. The blood vessel condition deriving means seeks a pulse transmission speed in each measurement position in accordance with a phase difference between an electrocardiographic signal waveform of the electrocardiographic monitor and a detection signal waveform obtained from the receiving units, thereby deriving the displacement condition of the inner wall of the blood vessel from the pulse transmission speed.

The invention discloses a dynamic electrocardiographic monitoring system with local and remote monitoring functions. A chest monitoring lead is connected with a portable electrocardiographic monitor, the portable electrocardiographic monitor is respectively connected with a patient mobile device and a patient home computer, the patient mobile device and the patient home computer are respectively connected with a remote electrocardiographic monitoring server, and the remote electrocardiographic monitoring server is connected with a doctor working computer. The portable electrocardiographic monitor acquires electrocardiographic signals of a patient through the chest monitoring lead, the patient mobile device is connected into an internet through a wireless network and realizes real-time communication with the portable electrocardiographic monitor by the aid of a Bluetooth interface, the patient home computer is connected into the internet and communicates with the portable electrocardiographic monitor through a USB (universal serial bus) interface, and the doctor working computer communicates with the remote electrocardiographic monitoring server through the internet. The dynamic electrocardiographic monitoring system has the advantages that a dynamic electrocardiogram of the patient is acquired in real time by the portable electrocardiographic monitor, the patient can be monitored for a long time in a short distance, and movement of the patient cannot be limited.

The invention discloses an electrocardiographic monitoring method and an electrocardiographic monitor, and relates to electronic technology. The method comprises the following steps: a, monitoring the acceleration state of the electrocardiographic monitor; b, if the acceleration is greater than a preset value, detecting the electrocardiographic state; and c, and if the electrocardiographic state is abnormal, sending an alarm message to a remote monitoring center in a wireless mode. The invention can effectively monitor the electrocardiographic state of a user when the user falls down or has other accidents, and can give an alarm in real time when an abnormal condition occurs.

The invention designs an integrated bed plate device of a severe patient transfer bed. The integrated bed plate device is composed of an outer plate, an inner bed plate, nylon ropes, a tray and a supporting frame; the outer plate is hollow, four holes are formed in the two sides of the outer plate for mounting the outer plate on the transfer bed, and the inner bed plate is placed in the middle space; the nylon ropes are arranged at the four corners of the inner bed plate for lifting the inner bed plate; and a mounting frame is arranged at the other end of the inner bed plate and is composed oftwo rectangular square pipes, two round pipes and two blocky plates, analgesic pumps can be mounted on the round pipes of the mounting frame, the tray is arranged on the upper part of the mounting frame, and a simple ventilator and an electrocardiograph monitor can be placed on the tray. According to the integrated bed plate device of the severe patient transfer bed, when a patient is placed on the transfer bed and needs to be transferred, the transfer bed is directly pushed to reach the position, and then the patient can be transferred by lifting up the inner bed plate, and medical instruments do not need to be moved for many times; and the integrated bed plate device has the advantages of high security, simplicity, convenience and easy operation, can be used as a sickbed and the transfer bed, and can be widely applied to the occasion where the multiple instruments need to be carried when the severe patient is transferred.

The invention discloses a combined type electrocardiogram monitor. The combined type electrocardiogram monitor comprises an electrocardiogram monitor main body, wherein a paper slip outlet is internally molded at one side of the electrocardiogram monitor main body; a fixed seat is stuck at one end of a front surface of the electrocardiogram monitor main body through glue; the fixed seat is internally and rotatably connected to a winding shaft through a bearing; a first hand wheel is fixedly mounted at the end part, located at one side of the fixed seat, of the winding shaft; the winding shaftis designed in the fixed seat and a protection curtain is designed on the outer surface of the winding shaft, so that the problems that a display screen on the front surface is inconvenient to protectwhen the electrocardiogram monitor is not used and dust easily falls into the display screen are avoided; when the electrocardiogram monitor is not used, the first hand wheel can be held by a hand and the bearing drives the winding shaft to rotate in the fixed seat; when the fixed seat rotates, the protection curtain is opened to the front surface of the electrocardiogram monitor main body; thena rotary knob is screwed together to fix an edge strip with the electrocardiogram monitor main body and fix the protection curtain; and after the protection curtain is fixed, the display screen on thefront surface of the electrocardiogram monitor main body is stably protected.

The invention discloses a 12-lead real-time remote electrocardiogram monitoring system, which belongs to medical monitoring equipment. The 12-lead real-time remote electrocardiogram monitoring system consists of an electrocardiogram monitoring center and a portable electrocardiogram monitor/patient. The portable electrocardiogram monitor/patient mainly comprises an electrocardiogram data acquisition processing unit, a data communication unit and a power supply management unit. The electrocardiogram data acquisition processing unit can acquire 12-lead synchronous electrocardiogram signals, and consists of a standard 10-path electrocardiogram signal acquisition circuit. Human electrocardiogram signals are transmitted into the electrocardiogram data acquisition processing unit by an electrocardiogram electrode and 10 paths of 12-lead lines attached to a body surface, analogue amplification, common mode rejection amplification, filtration and A/D conversion are performed to obtain digital signals, the digital signals are compressed in real time by a central processing unit, and the compressed digital signals are transmitted to the electrocardiogram monitoring center by a data communication unit for the analysis of monitoring personnel. The portable electrocardiogram monitor of the 12-lead real-time remote electrocardiogram monitoring system is small in volume, high in integration level, highly intelligent, reliable in performance and simple and convenient to operate, and can acquire clinically required real-time electrocardiogram data.

The invention discloses an electrocardiograph monitor, and relates to an improvement of the electrocardiograph monitor. According to the electrocardiograph monitor, site real-time displaying can be achieved, real-tine data analysis can be achieved, the transmission speed is high, the long-time real-time transmission can be achieved, and cost is low. The electrocardiograph monitor comprises a control system, an A/D collecting card, a data collecting module, a signal processing circuit and a sensor. The electrocardiograph monitor is structurally characterized in that the control device is sequentially connected with the A/D collecting card, the data collecting module, the signal processing circuit and the sensor through an input interface of the control device.

The invention discloses a QRS wave group identification method based on differential zero-crossing detection method, which comprises the following steps of: filtering an acquired original electrocardiosignal by using a self-adaptive baseline drift filter, and removing direct current bias of the original electrocardiosignal to obtain an electrocardiosignal which fluctuates up and down near a value 0; using a 15Hz Butterworth low-pass filter to filter the electrocardiosignals, filtering out power frequency interference, and restraining myoelectricity interference; performing first-order difference and second-order difference on the filtered electrocardiosignal, analyzing probability distribution of numerical values after the first-order difference, and acquiring a threshold value for detecting an R peak; and sequentially finding out an S valley and a Q valley through second-order difference, calculating the heart rate and the wavelengths of Q, R and S waves according to the sampling frequency, extracting waveform characteristics, and completing the identification of the QRS wave group. According to the invention, the working efficiency can be improved, the calculated amount is small, the real-time performance is high, the requirement on the computing power of the main control chip is extremely low, and the method can be widely applied to household portable electrocardiograph monitors and telemedicine which are relatively low in price.

The present invention provides a carotid physiological parameter monitoring system, comprising: an electrocardiographic (ECG) monitoring device, a carotid pulse wave detector, and at least one controller. The ECG monitoring device is disposed on a user's left and right wrists or on the user's chest to obtain ECG waveforms. The carotid pulse wave detector is disposed on the user's neck at a position corresponding to the user's carotid arteries for obtaining carotid pulse waveforms. The controller is provided in at least one of the ECG monitoring device, the carotid pulse wave detector, and a mobile device, wherein the controller is configured to obtain the user's carotid physiological parameter(s) (which may include carotid pulse wave velocity or carotid blood pressure) by calculating with the ECG waveforms and/or the carotid pulse waveforms.

The invention relates to a reliably working electrocardiograph monitoring instrument with the angle adjusting function. The electrocardiograph monitoring instrument comprises a main body, an adjustingmechanism and a heat dissipation mechanism. The adjusting mechanism includes a bottom plate, a supporting shaft, a fixed sleeve, a lifting rod, a lifting plate, two mounting bearings, two supports and two limiting assemblies. The limiting assemblies include sliding rods, supporting rods, first springs, second springs, sliding blocks, friction discs, fixed pulleys and connecting wires. Besides, the heat dissipation mechanism includes a rotary disc, a heat conduction pipe, a transmission rod, a piston block, an air cylinder and at least two protruding strips. According to the invention, the angle of the electrocardiograph monitoring instrument can be adjusted by the adjusting mechanism and the practicability of the electrocardiograph monitoring instrument is improved; and with the heat dissipation mechanism, the heat dissipation efficiency of the electrocardiograph monitoring instrument is improved and the working reliability of the electrocardiograph monitoring instrument is enhanced.

The invention relates to a two-electrode electrocardiographic lead intelligent positioning system. An automatic correction method of an electrocardio electrode position of the intelligent positioningsystem comprises the following steps that S1, normal electrocardiographic signal characters are learned artificially intelligently, and an own criterion of a user is established; S2, the user recordsa waveform during measuring, analyzes the waveform, extracts a same parameter with a reference waveform, the parameter is compared with a reference parameter to compute a composition error; S3, the user records electrocardiographic digital information of the composition error in step S2 voluntarily for artificial intelligent comparison, so that the correct placement of the electrode lead is intelligently auxiliarily guided. The two-electrode electrocardiographic lead intelligent positioning system has the advantages that the correct placement of the electrode lead can be intelligently auxiliarily guided, thereby achieving the correct long time-history electrocardio dynamic monitoring of a two-electrode electrocardiographic monitor, early and effectively identifying cardiac ischemia, malignant arrhythmia and other angiocardiopathy hazardous events, and finally improving the rescue success rate of the angiocardiopathy hazardous events and reducing the death rate of the angiocardiopathy hazardous events.

The invention provides a portable cardiogram monitor. The portable cardiogram monitor comprises a cardiogram processing module and a monitoring terminal. Through a microprocessor arranged in the cardiogram processing module, low power consumption of the cardiogram monitor is realized; through bluetooth-transmission based receiving software arranged in the monitoring terminal, real-time analysis, monitoring and display of cardiogram data received by the monitoring terminal are realized, and accordingly, real-time monitoring of the cardiogram monitor is realized; therefore, the cardiogram monitor is low in power consumption, small in size and portable. Moreover, the cardiogram monitor can respond timely according to real-time cardiogram data information of monitored patients, so that accidents are avoided.

The invention discloses a wire storage device for a cardiogram monitor. The device comprises an electrocardiograph shell, a storage box and wires. The storage box is fixedly installed at the lower endof the rear surface of the electrocardiograph shell, a top cover is connected to the upper end of the storage box through a hinge, and the inner bottom face of the storage box is provided with a slide groove; a slide rod is fixedly arranged in the slide groove, slide blocks slidingly sleeve the two ends of the slide rod, and a reset spring slidingly sleeves the middle of the slide rod; the two ends of the reset spring are fixedly connected with two slide blocks respectively, the slide blocks are slidingly matched with slide groove, the upper ends of the slide blocks are fixedly provided withcircular rods, and the wires wind the outer surfaces of the circular rods in an S shape. By designing the storage box, under the effect of the reset spring, the wires are automatically stored into thestorage box, when the device is used, the wires are pulled out of the storage box, and the situation is avoided that due to too long wires, the wires are rolled and dragged. The wires are effectivelyprotected from being damaged, and medical personnel conveniently operate and use the device.

The invention provides an electrocardiogram monitoring system which comprises an electrocardiogram monitor for monitoring real-time electrocardiogram anomalous dynamic changes of a patient, a wave signal collection controller for electrocardiosignal collection and electrocardiogram waveform display, and a central venous catheter assembly for being placed into a central vein system. The wave signal collection controller is in electric signal connection with the electrocardiogram monitor. The central venous catheter assembly is in signal transmission cable connection with the electrocardiogram monitor through a connecting cable. Due to the connecting cable, the central venous catheter assembly is connected with the electrocardiogram monitor through the connecting cable, electrocardiosignal waveforms generated in the central venous catheterization process can be detected and analyzed, the tip position of a central venous catheter can be judged through real-time detection data, the catheterization efficiency can be improved, the treatment risk can be lowered, and operation of medical workers can be convenient.

The invention relates to a stable cardiogram monitor convenient to carry. The cardiogram monitor comprises a main body, a cable, a plug, a display screen and at least two control keys and further comprises a winding mechanism and two strengthening mechanisms, wherein the strengthening mechanisms comprise support casings, regulating tubes, piston columns, springs, push blocks and limiting components; the winding mechanism comprises a driving component, a transmission component, a reel, a mounting bearing, a rotation casing and at least two cleaning strips; the limiting components comprise limiting grooves and limiting blocks; the driving component comprises a motor, a driving shaft, a first gear and a second gear; and the transmission component comprises a driving wheel, a driven wheel anda transmission belt. According to the stable cardiogram monitor convenient to carry, the cardiogram monitor can be absorbed on a table through the strengthening mechanism; the placement stability of the cardiogram monitor is improved; pay-off and take-up of the cable are achieved through the winding mechanism; and the convenience in carrying of the cardiogram monitor is improved.

The problem to be solved by the invention is to provide a portable cardiogram monitor based on Bluetooth data communication, so that the electrocardio of a person can be monitored by wearing the portable cardiogram monitor. The technical scheme is as follows: the portable cardiogram monitor based on Bluetooth data communication is characterized in that the portable cardiogram monitor is formed by connecting an electrocardio measurement module, a Bluetooth module, a touch screen and a monitor terminal sequentially; the electrocardio measurement module is composed of a sensor, a three-stage amplifying circuit and CPU (Central Processing Unit); and the Bluetooth module is a module taking ST32F103C6 as a core. The portable cardiogram monitor based on Bluetooth data communication has the beneficial effects that by wearing the portable cardiogram monitor based on Bluetooth data communication, the data information of the monitored person can be acquired timely, and the responses can be made in time to avoid the occurrence of accidents.