CN200977153Y - Portable remote real-time monitor for high risk heart disease patient - Google Patents

Portable remote real-time monitor for high risk heart disease patient Download PDF

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CN200977153Y
CN200977153Y CN 200620045084 CN200620045084U CN200977153Y CN 200977153 Y CN200977153 Y CN 200977153Y CN 200620045084 CN200620045084 CN 200620045084 CN 200620045084 U CN200620045084 U CN 200620045084U CN 200977153 Y CN200977153 Y CN 200977153Y
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module
patient
monitoring
real
communication
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方祖祥
赖大坤
宋海浪
许之敏
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Li Shiqi
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Abstract

The utility model belongs to medical equipment technique field, more specific is a portable long-distance real-time monitoring instrument with first-aid and locating function for high-risk cardiac, comprising a plurality of functional modules such as a flush type master control module, a physiological parameter gathering module, a position locating module, a human-machine interaction module, a wireless communication module, a electrical shocks first-aid module, and plurality of accessories such as a antenna, a battery and a backstrap; the above modules are working in phase controlled by the master module, gather, dispose, analyze and transfer the monitoring information such as the electrocardiogram and the blood pressure in real time, and receive, display, and execute the diagnosis and treat information or order from the long-distance monitoring center. The long-distance portable real-time monitoring instrument of the utility model is carried by the high-risk cardiac; through the wireless communication system, the long-distance real-time monitoring, locating and first time diagnosis and treatment and the first aid treatment of the cardiac from the hospital monitoring center, the utility model achieves the aim to enhanced the sense of security of the cardiac, and extends the free running range of the cardiac, and cut down the hospitalization costs.

Description

Portable remote real-time monitor at high-risk cardiac
Technical field
This utility model belongs to the armarium technical field, is specifically related to a kind of long distance monitoring device, especially at high-risk heart patient's the portable remote real-time monitor with first aid and positioning function.
Background technology
Electrocardiogram is the routine of diagnosis of heart disease and effective means, high-risk heart disease is sick send out before, during sick sending out, so that virulent disease is sent out to cause faints or all there is multiple high-risk electrocardiogram performance in sudden death etc., it has reflected that the electrocardio on patient's face amount and the arrow face changes, can from a plurality of angles observe heart active situation, analyze and make a definite diagnosis the position of disease and the cause of disease.Yet heart disease, especially with coronary heart disease, cardiomyopathy, the high-risk heart disease of the patient's condition such as arrhythmia medical history, sudden cardiac death family history, heart transplantation history is arranged, usually have disease send out unexpected, of short duration, at random, high sudden death rate characteristics, the part acute symptom just may cause death in appearance in back 1 hour, virulent chamber property vibration even cause that in 12 minutes patient dies suddenly is so the electrocardiogram of short time (several minutes) detects and usually can't capture the dangerous information of promptly losing in a twinkle in conventional electrocardiographic examination.Utilize Electrocardiographic continuous real-time monitoring, analysis, help early discovery and in time diagnose this class disease, malignant diseases are sent out the patient implement timely rescue.In recent years, be accompanied by the develop rapidly of computer technology and microelectric technique, especially increasingly mature the and application of present mobile communication technology is popular, has caused people's very big concern based on the long-range mobile ecg telemonitoring device of present mobile communication technology.Compare with other electrocardiogram monitor system, long-range mobile ecg telemonitoring system has realized functions such as on-line monitor, remote alarm, long-range first visit, have simultaneously that communications is reliable, patient activity is free, self-security height, required medical expense be low, remarkable advantages such as medical resource utilization rate height.Long-range mobile monitoring device is carried by patient, continuous acquisition patient's ecg information, be uploaded to the monitoring center by mobile communications network, the doctor can check the several ecg informations that are positioned at the tutelage patient in different places simultaneously in hospital, when anomalous ecg occurring, automatic alarm prompt patient of system and doctor; When patient was carried out long distance monitoring, the doctor can issue information such as doctor's advice by mobile communications network, realized the continuous conventional cardiac monitoring to the movable patient of long-range freedom thus on the basis that expansion Holter formula is dynamically guarded.
Existing long-range mobile ecg telemonitoring device solves the deficiency of monitoring time of existing of traditional electrocardiogram monitor system with monitoring scope contradiction, yet have but that intensive care is simple, the communications mode is single, deficiencies such as diagnosis and relief link weakness; The more important thing is that existing this class device does not have effective and feasible method that the high-risk heart patient that heart patient, especially disease are sent out suddenly, sb.'s sickness becomes critical is carried out 24 hours the monitoring of remote live anywhere or anytime, a sick early diagnosis and omnidistance first aid protection.
Summary of the invention
The purpose of this utility model is at heart patient, especially high-risk heart patient to provide a kind of and can overcome the insufficient portable remote real-time monitor with first aid and positioning function of prior art in the special requirement aspect clinical monitoring, diagnosis and the relief.The purpose of this utility model is realized by following technical scheme:
A kind of portable remote real-time monitor with first aid and positioning function at high-risk cardiac is made of embedded main control module (1), physiological parameter acquisition module (2), location positioning module (3), human-computer interaction module (4), wireless communication module (5), electric defibrillation first aid module functional modules such as (6) and antenna (7), battery (8), braces adnexaes such as (9); Wherein, embedded main control module interconnects with above-mentioned each functional module respectively by the corresponding interface, co-ordination under unified scheduling controlling realizes reception, demonstration, the execution of real-time collection, storage, processing, analysis, transmission and the remote diagnosis information of monitoring information such as patient's body surface ecg, blood pressure.This monitor is carried by high-risk cardiac, pass through wireless communication system, monitoring information such as real-time Transmission electrocardio, blood pressure, and receive doctor's advice, diagnostic message and to the long-range accent ginseng and the program control order of equipment, early diagnosis and emergency treatment when realizing hospital monitoring center to patient's remote live monitoring, location and sick sending out reach and strengthen the patient oneself security, enlarge the free range of activity of patient, reduce the purpose that medical expense is born.
Specifically being constructed as follows of this monitor:
Described embedded main control module 1 is a core with the high performance chip microprocessor of low-power consumption, comprise clock, built-in storage, Flash memorizer, power circuit and peripheral interfaces such as UART, IIC, PCMCIA, USB, JTAG and GPIO, by the unified scheduling of embedded OS, realize the multi-task parallel execution;
Described physiological parameter acquisition module 2 is the three synchronous cardiac monitorings of triple channel of leading, it is gathered patient's electrocardiosignal in real time under the control of a general chip microprocessor by the three tunnel identical ecg signal acquiring circuit that singly lead, adopt cuff formula sphygomanometer collection patient blood pressure information simultaneously, they send into embedded main control module by unified IIC communication interface respectively after A/D conversion, coding are handled, the physiological parameter acquisition module can further expand physiological parameter monitoring such as blood oxygen, breathing;
Described location positioning module 3 comprises GPS global positioning satellite unit and short-range wireless beacon Passive Positioning unit, embedded main control module is connected with the GPS unit by the UART interface and receives the on-site latitude and longitude information of patient, and be connected the emergency framing signal of transmitting-receiving special frequency channel with short-range wireless beacon Passive Positioning unit by GPIO;
Described human-computer interaction module 4 is patient's operation interface and equipment working state, indication interface, and it comprises LCD screen, button, buzzer and LED light, is connected with embedded main control module by GPIO;
Described wireless communication module 5 is GPRS with pcmcia interface (or CDMA, 3G network) mobile communication network interface card and wireless WiFi LAN card, adopts the ICP/IP protocol stack to realize the liaison at embedded main control module and monitoring center;
Described electric defibrillation first aid module 6 is connected with embedded main control module by the GPIO mouth; the electric defibrillation programmed electrical stimulation order that receiving remote monitoring center doctor sends, the external electrical defibrillator of being installed on one's body through direct control patient after buffering amplification, the insulation blocking produces the electric pulse stimulation patient's heart.
The portable remote real-time monitor that utilizes said structure to constitute connects the long distance monitoring center by cordless communication network; can realize that the doctor carries out 24 hours the monitoring of remote live anywhere or anytime, a sick early diagnosis and omnidistance first aid protection to the heart patient, its work process is as follows:
At first, the high-risk heart patient of tutelage carries a remote real-time monitor, be operated in normal monitoring attitude and gather this patient's electrocardiosignal and blood pressure information in real time, adopt mode that circulation in short-term upgrades nearly the monitoring information temporary storage of the fixed length gap periods (gap periods was less than 10 minutes) of section time in the Flash of monitor memorizer; Be timed to when this commitment defini interval cycle, monitor is opened location positioning module, the wireless communication module that is in resting state automatically, receive one time the GPS locating information, and the equipment self working condition done once to detect automatically form work state information, together with being temporary in monitoring information in the Flash memorizer, adopt the TCP/IP host-host protocol to be uploaded to hospital monitoring center behind compressed in the lump, processing and the communication code, transmit finish closed position, back locating module, wireless communication module; Simultaneously in real time Treatment Analysis is gathered the characteristic parameters such as the Electrocardiographic P ripple of patient, QRS ripple, T ripple, ST section, P-P interval, P-R interval, S-T interval of gained, and monitoring information is carried out automatic diagnosis; When the patient produces key-press event, trigger and open the human-computer interaction module that is in resting state, self electrocardio, the blood pressure monitoring information that show the patient, and work state informations such as radio communication situation, GPS signal intelligence, device battery electricity consumption situation, close automatically after a period of time and be in resting state; The oneself detects the discovering device fault as monitor equipment working condition, then shows trouble location, sound alarm prompting patient.
Secondly, hospital monitoring center is in the communications reception state in real time, when the communication request of remote real-time monitor, establish a communications link and monitoring information such as patient's heart real time of uploading of receiving remote monitor, blood pressure, after decompression, communication Protocol Conversion are handled and are filed, restore patient's monitoring information such as three lead electrocardiogram, blood pressure, pulse, and be presented on the monitoring screen and this patient carried out real-time monitoring and diagnosis in time for doctor on duty.
Once more, when the patient acute disease occurred and sends out, the remote real-time monitor analysis that it is entrained and detect abnormal electrocardiogram and blood pressure information was made tentative diagnosis further combined with various heart diseases and high-risk cardiopathic electrocardiogram performance; Wherein, send out alarm for tentative diagnosis for the disease that must in time handle produces disease immediately, monitor changes urgent monitoring attitude immediately over to: open automatically and be in resting state all functions module, the mode that adopts real-time transmission continuously and hospital and guard the center liaison and upload original monitoring information and real-time GPS geographical location information and audible and visual alarm at full speed and point out the patient.Warning information, in-depth analysis and the diagnosis patient real-time monitoring information that receives is further handled at the monitoring center; Picked out for the warning message that is diagnosed as non-disease disease, and issue the elimination alert command, control long distance monitoring instrument changes normal monitoring attitude over to; For being diagnosed as general disease and the non-hazardous disease of patient's life and health being sent out warning information, issue the information of making a definite diagnosis, the relevant points for attention of doctor's advice and put the long distance monitoring instrument and revert to normal monitoring attitude with the prompting patient.
At last, send out critical for part is sick, early diagnosis shows and is about to occur or makes a definite diagnosis demonstration occurred fluttering such as chamber property, chamber property fibrillation, cardiac arrest, the patient of the life-threatening pernicious symptom of one class such as cardiogenic syncope, monitoring center doctor in time gets in touch the nearest emergency center's report first aid warning information in patient region according to the geographical position of long distance monitoring instrument GPS indication, provide relief to instruct to the first-aid personnel who goes to relief, the SOS that the while Long-distance Control is opened the short-range wireless beacon Passive Positioning unit emission special frequency channel of long distance monitoring instrument cries for help framing signal assistance first-aid personnel to dynamic search of patient and quick the location, and finally realization is to patient's quick location and salvage at scene.Special sends out in the high-risk cardiac disorder person of a class critical especially, that must rescue immediately for disease, and under the situation that the first-aid personnel can not arrive in the very nick of time, the doctor in the local emergency center of report simultaneously, the external electrical defibrillator that can install with oneself by the long-range program control patient of electric defibrillation first aid module of long distance monitoring instrument, the electricity irritation of row Long-distance Control is implemented long-range first aid to this patient, and life gives emergency treatment to a patient.
This utility model is considered and has been realized satisfying the special functional demands of high-risk heart patient at aspects such as clinical monitoring, diagnosis and relief on the function basis of existing long-range mobile ecg telemonitoring device.Compare with existing long-range mobile ecg telemonitoring device, the utlity model has following advantage:
(1) the Hoter formula is dynamically guarded standby functions, improves the monitoring redundancy.This utility model, will transfer the Holter formula to dynamically to guard by adopting high capacity Flash memorizer, high compression algorithm, communication network from measures such as detections when long section time communication failure occurring with the monitoring center automatically; Assurance is to the redundancy of patient monitoring and the seriality of information, to deposit in the incidental at random high capacity Flash memorizer after the processing of real-time monitoring Information Compression, and prompting patient communication failure, (in as 168 hours) need go to the monitoring center in effective storage monitoring phase of long distance monitoring instrument, derive historical monitoring information by USB interface.
(2) automatic diagnosis warning function is in time pointed out patient and monitoring center doctor.Patient's ecg information can be handled and analyze to this utility model in real time, obtain characteristic parameters such as Electrocardiographic P ripple, QRS ripple, T ripple, ST section, p-p interval, P-R interval, S-T interval, judge and discern various high-risk heart disease electrocardiograms to show, to the timely alarm prompt patient of abnormal information with by wireless network prompting monitoring doctor.
(3) patient's geo-location precision height is searched first aid for the scene and is won the quality time.This utility model adopts based on GPS (GPS), and short-range wireless beacon Passive Positioning is that the co-located mode of assisting is searched for, tracking and position patient; Remedy low not enough, the raising positioning accuracy of GPS blind area or GPS positioning accuracy, effectively assist the quick search and rescue of first-aid personnel the patient.
(4) the long-range programmed electrical stimulation first aid of doctor function, effectively reduces acute disease and sends out mortality rate patient oneself security height.This utility model is for being equipped with the special high-risk patient of electrical defibrillator one class with oneself; dispose electric defibrillation first aid module; doctor's feasible Long-distance Control electricity irritation after making a definite diagnosis is implemented long-range first aid to this patient; save patient's life; effectively solve existing mobile monitoring device send out unexpected in disease, critical, the clinical practice difficult problem that patient can not save oneself and the first-aid personnel can not be on the scene immediately and be faced.
(5) low-power consumption micro comprehensive Design, battery-powered time is long, and the equipment operation is low in energy consumption, portable high.Components and parts of the present utility model all adopt low-power consumption, microminiaturized device, and under the Energy Saving Control of embedded OS, location positioning module, human-computer interaction module, wireless communication module, electric defibrillation first aid module most of the time all are in the power saving resting state; Design is considered in circuit module, structural member comprehensive integration simultaneously, lowers equipment self-weight, reduces overall dimensions.
(6) auxiliary short range WiFi wireless LAN communication mode, the pulse batch data transmission means when normally guarding attitude reduce communication cost.This utility model is in the family, in the garden or be provided with the zone that the WiFi WLAN connects the monitoring center in the hospital, is WiFi wireless LAN communication mode automatically or by patient's manual switchover, saves the corresponding mobile communication cost; When simultaneously this utility model is in normal monitoring attitude, be not to hang over transmission monitoring information on the mobile radio communication in real time, but the pulsed batchwise transfer does not produce communication cost when not passing data always.
(7) custom encapsulation one cover application communication agreement on the ICP/IP protocol stack, secure wireless communication, reliable.This utility model on embedded ICP/IP protocol stack, custom encapsulation one set segmented communication handshake protocol package with the monitoring center liaison; Before each communication, both sides send corresponding feature indication sign indicating number protocol handshake, afterwards data are communicated transmission by the data packet format that customizes.
Description of drawings
Fig. 1 is a functional block diagram of the present utility model.
Fig. 2 is a kind of embodiment hardware system module connection diagram of the present utility model.
Fig. 3 is one of them passage electrocardiogram acquisition schematic block circuit diagram of Fig. 2 embodiment.
Fig. 4 is the circuit diagram of physiology parameter acquisition mould.Wherein, (a) being supply module, (b) is high tension protection circuit, (c) is Single Chip Microcomputer (SCM) system and RS232, (d) is a passage electrocardio amplification filtering circuit.
Fig. 5 is the software system structure sketch map of Fig. 2 embodiment.
Fig. 6 is the overall process flow chart of Fig. 5 embodiment software system.
Fig. 7 is the main thread detail flowchart of the overall process flow chart of Fig. 6 embodiment software system.
Fig. 8 is the physiological parameter collecting thread detail flowchart of the overall process flow chart of Fig. 6 embodiment software system.
Fig. 9 is the radio communication and the location detail flowchart of the overall process flow chart of Fig. 6 embodiment software system.
Figure 10 is the remote monitoring system sketch map of Fig. 2 embodiment by the interconnected formation of wireless communication system and monitoring center.
Figure 11 is the workflow sketch map of Figure 10 remote monitoring system of comprising this utility model embodiment.
Number in the figure: 1 is embedded main control module, and 2 is physiology parameter acquisition module, and 3 is the location positioning module, and 4 is human-computer interaction module, and 5 is wireless communication module, and 6 is that electric defibrillation is anxious asks module, and 7 is antenna, and 8 is battery, and 9 is braces.
The specific embodiment
Specifying a kind of embodiment of the present utility model below in conjunction with accompanying drawing constitutes:
With reference to accompanying drawing 2, adopt the embodiment of portable remote real-time monitor of the present utility model, its hardware system constitutes: the embedded main control module based on the ARM microprocessor is a core, is connected respectively to functional modules such as physiological parameter acquisition module, location positioning module, human-computer interaction module, wireless communication module, electric defibrillation first aid module by the corresponding interface; Unified by the chargeable lithium cell power supply, by coaxial antenna wireless connections long distance monitoring center, all circuit modules all place in the airtight portable box body of frivolous high strength except that antenna, are carried by the patient; Unified control, co-ordination in the embedded multiple task operating system of Linux, monitoring information such as collection in real time, store patient body surface ecg, blood pressure, treated, as to analyze back transmission long distance monitoring center receives and carries out remote diagnosis information and the program control order of first aid simultaneously.Wherein, the type selecting of each hardware module, circuit composition and the mode that communicates to connect are described in detail as follows respectively:
(1) described embedded main control module is a core with the low-power consumption high-performance microprocessor SAMSUNG S3C2410 of ARM9 framework, the sdram memory reservoir of expansion clock, 16MB, the Flash memorizer of 1GB, 1.8V, 3.3V, ± circuit units such as 5V power supply, and peripheral interfaces such as UART, IIC, PCMCIA, USB, JTAG and GPIO;
(2) described physiological parameter acquisition module is the three synchronous cardiac monitorings of triple channel of leading, and accompanying drawing 3 has provided this part specific embodiment circuit theory diagrams.Three body surface electro cardiscope monitor utmost points stick respectively between patient's left side shoulder bone and left clavicle, between right shoulder bone and right clavicle, on the skin surface on the left lower quadrant, obtain physiological parameter signals, insert the preposition amplifier section of Acquisition Circuit by 3 lead systems, behind high tension protection circuit, successively through the quadravalence low pass filter of 100Hz cut-off frequency, the wave trap of 50Hz and 0.5Hz amplify signal after the high pass filter filters of frequency is handled once more, three tunnel electrocardiosignaies after the pretreatment of above-mentioned small-signal modulate circuit again through the 400Hz sample rate, 14 accuracy A/D transducers are converted to digital signal and send into the AVR single-chip microcomputer; Be patient wear one cuff formula electric sphygmomanometer simultaneously, after amplification, filtering, A/D conversion, send into the AVR single-chip microcomputer equally.The monitoring information that all collect is in real time handled the back by single-chip microcomputer Unified coding, packing and is sent into embedded main control module by IIC communication protocol; In the physiological parameter acquisition module of present embodiment, adopted the electrode detection method that comes off, the situation that contacts of prompting and alarm patient cardiac monitoring electrode and skin guarantees good cardiac monitoring effect;
Fig. 4 is the circuit diagram of physiology parameter acquisition mould.Wherein, (a) be supply module, mainly constitute, be whole electrocardiogram acquisition module for power supply by three terminal regulator 7805 and CMOS monolithic voltage changer MAX660.(b) be high tension protection circuit, mainly constitute that protection system is not destroyed by defibrillation shock by gas discharge protecting tube (representing with Fuse among the figure) and Zener diode.(c) be Single Chip Microcomputer (SCM) system and RS232, the AVR singlechip chip ATmega8L that selects Atmel company for use is as kernel control chip, and selects for use MAX232 that the UART level conversion is become the RS232 level.(d) be a passage electrocardio amplification filtering circuit.(Amplifying and Filtering Module) is core with the filtering amplification module, cooperates necessary peripheral components, and electrocardiosignal is carried out suitable filtering and amplification.
(3) described location positioning module comprises global positioning satellite GPS unit and short-range wireless beacon Passive Positioning unit, embodiment adopts that ultralight is thin, the miniature GPS module of Beijing Orient couple stars T-GPS of super low-power consumption, its positioning accuracy is that 10 meters ~ 50 meters, velocity accuracy are 0.06 meter per second, refreshed once in per 1 second with the NMEA3.0ASCII agreement, receive and obtain patient location latitude and longitude information, movement velocity and time after the gps satellite framing signal is resolved, adopt the UART mouth to be uploaded to embedded main control module with the 9.6Kb/s baud rate; Simultaneously, the auxiliary short-range wireless beacon Passive Positioning unit that has been equipped with among the embodiment, be connected with embedded main control module by general purpose I/O, when concurrent, can produce or produce the SOS emergency framing signal of a specific wireless frequency range automatically by monitor by the program control order of long distance monitoring center doctor;
(4) described human-computer interaction module is patient's operation interface and equipment work indication interface, it comprises 1.8 o'clock TFT color LCD screens of one side, 1 buzzer, 3 buttons and 2 LED lights, be connected with master controller by GPIO, wherein the LCD screen shows the triple channel electrocardiogram of gathering gained, pressure value, monitoring information such as heart rate, doctor's advice, doctor's advisory information and GSM/GPRS, the GPS communication network, the battery operating position, equipment working state information such as Flash memorizer operating position, 3 buttons are realized on and off switch, the SOS button of crying for help, functions such as display interface control;
(5) described wireless communication module is GC95 GSM/GPRS with Sony-Ericson company of pcmcia interface (or other CDMA, 3G network) mobile communication network interface card and a wireless WiFi LAN card, adopts the ICP/IP protocol stack to realize the liaison at main control module and monitoring center;
(6) described electric defibrillation first aid module is connected with embedded main control module by the GPIO mouth; the electric defibrillation programmed electrical stimulation order that receiving remote monitoring center doctor sends; through directly controlling the external electrical defibrillator that the patient is installed after buffering amplification, the insulation blocking on one's body, perhaps bury in the intravital ICD electrical defibrillator of patient and produce the electric pulse stimulation patient's heart through remote measurement control after buffering amplification, the modulation.
With reference to accompanying drawing 5, adopt the embodiment of portable remote real-time monitor of the present utility model, the embedded system Linux that states the software system employing multitask that moves on the hardware system thereon is a core, increase senior level of abstraction functions such as file system, procotol and GUI storehouse, the hardware driving formation base software system of spread F LASH memorizer, LCD, IIC, PCMCIA etc.; The function of finishing is divided into eight core application tasks: tasks such as monitoring information gathering and first visit, date processing (analyze, compress, store), the program control management of equipment, man-machine interaction task (LCD, button, audible alarm), GRPS communication, WiFi wireless LAN communication, GPS reception and radio frequency positive location and electric defibrillation are program control.
With reference to accompanying drawing 6, the overall process flow chart of present embodiment software system, three Linux worker threads that comprise main thread, physiological parameter collecting thread, communication and location thread, under the unified scheduling of (SuSE) Linux OS, specifically finish eight core application tasks shown in the embodiment accompanying drawing 6, realize the executed in parallel of multitask on the macroscopic view; The detail flowchart of the present embodiment main thread that provides with further reference to accompanying drawing 7,8,9, physiological parameter collecting thread, communication and location thread; Thus, realize unified control, the coordinated allocation of embedded main control module, finally realize the functions such as emergency treatment when the mobile monitoring instrument is sent out high-risk heart patient's remote live monitoring, location and disease each operational module.
With reference to accompanying drawing 10, the present embodiment that utilizes above-mentioned software and hardware system to constitute is by the realtime remote monitoring system of the interconnected cover that can constitute of wireless communication system and monitoring center at high-risk heart patient.
With reference to accompanying drawing 11, present embodiment is carried by the patient, realize that by this remote monitoring system the doctor carries out 24 hours the monitoring of remote live anywhere or anytime, a sick early diagnosis and omnidistance first aid protection to the heart patient, its operation principle is as follows: at first, the present embodiment remote real-time monitor is operated in normal monitoring attitude, gather this patient's three lead triple channel electrocardiosignal and blood pressure signal in real time with 400Hz sample rate, 14 A/D conversion accuracy modes; Handle the back by the AVR single-chip microcomputer Unified coding of acquisition module, packing and send into the main control module by the IIC interface, and adopt mode that circulation in short-term upgrades nearly the monitoring information temporary storage of the fixed length gap periods (gap periods was less than 10 minutes) of section time in the Flash of monitor memorizer; Be timed to when this commitment defini interval cycle, monitor is opened the location positioning module that is in resting state automatically, (embodiment is GP configuring RS communication network interface card and short range WiFi wireless LAN communication simultaneously for wireless communication module, can automatically switch or force to switch communication mode according to patient location network condition monitor) by the patient, receive one time the GPS locating information, and the equipment self working condition done once to detect automatically form work state information, together with being temporary in monitoring information in the Flash memorizer, compressed in the lump, adopt the TCP/IP host-host protocol to be uploaded to hospital monitoring center behind processing and the communication code, transmit closed position, the back locating module that finishes, wireless communication module; Characteristic parameters such as the Electrocardiographic P ripple of patient, QRS ripple, T ripple, ST section, P-P interval, P-R interval, the S-T interval of gained are gathered in real-time analysis simultaneously, and monitoring information is carried out automatic diagnosis; When the patient produces key-press event, trigger and open the human-computer interaction module that is in resting state, self electrocardio, the blood pressure monitoring information that show the patient, and work state informations such as radio communication situation, GPS signal intelligence, device battery electricity consumption situation, close automatically after a period of time and be in resting state; The oneself detects the discovering device fault as monitor equipment working condition, then shows trouble location, sound alarm prompting patient.
When this monitor monitors with the long section of monitoring center appearance time communication failure, will transfer the Holter formula automatically to and dynamically guard, will deposit in the incidental at random high capacity Flash memorizer after the processing of real-time monitoring Information Compression, and prompting patient communication failure; Embodiment disposes 1GB capacity Flash memorizer, gather the electrocardio and the blood pressure of gained after 3 passages, 400Hz sample rate, 14 A/D conversion accuracies, 3: 1 compression ratios that can deposit maximum 168 hours compresses and dynamically guard information, the patient goes to the monitoring center to derive this section monitoring information by the USB mouth in can be during this period, guarantees the seriality of monitoring information.
Secondly, hospital monitoring center is in the communications reception state in real time, when the communication request of remote real-time monitor, establish a communications link and monitoring information such as patient's heart real time of uploading of receiving remote monitor, blood pressure, after decompression, communication Protocol Conversion are handled and are filed, restore patient's monitoring information such as three lead electrocardiogram, blood pressure, pulse, and be presented on the monitoring screen and this patient carried out real-time monitoring and diagnosis in time for doctor on duty.
Once more, when the patient acute disease occurred and sends out, the remote real-time monitor analysis that it is entrained and detect abnormal electrocardiogram and blood pressure information was made tentative diagnosis further combined with various heart diseases and high-risk cardiopathic electrocardiogram performance; Wherein, for producing disease immediately, the disease that must in time handle sends out alarm for tentative diagnosis, monitor changes urgent monitoring attitude immediately over to: open automatically and be in resting state all functions module, adopt the mode that transmits in real time continuously and hospital monitoring center liaison to upload original monitoring information and real-time GPS geographical location information at full speed, and pass through buzzer alarm prompt patient, display alarm information on LCD.Warning information, in-depth analysis and the diagnosis patient real-time monitoring information that receives is further handled at the monitoring center; Picked out for the warning message that is diagnosed as non-disease disease, and issue the elimination alert command, control long distance monitoring instrument changes normal monitoring attitude over to; For being diagnosed as general disease and the non-hazardous disease of patient's life and health being sent out warning information, issue the information of making a definite diagnosis, the relevant points for attention of doctor's advice and put the long distance monitoring instrument and revert to normal monitoring attitude with the prompting patient.
At last, send out critical for part is sick, early diagnosis shows and is about to occur or makes a definite diagnosis demonstration occurred fluttering such as chamber property, chamber property fibrillation, cardiac arrest, the patient of the life-threatening pernicious symptom of one class such as cardiogenic syncope, monitoring center doctor in time gets in touch the nearest emergency center's report first aid warning information in patient region according to the geographical position of long distance monitoring instrument GPS indication, ambulance vehicles are assigned in request, and provide relief to instruct to the first-aid personnel who goes to relief, the SOS that the while Long-distance Control is opened the short-range wireless beacon Passive Positioning unit emission special frequency channel of long distance monitoring instrument cries for help framing signal assistance first-aid personnel to dynamic search of patient and quick the location, and finally realization is to patient's quick location and salvage at scene.Special sends out in the high-risk cardiac disorder person of a class critical especially, that must rescue immediately for disease, and under the situation that the first-aid personnel can not arrive in the very nick of time, the doctor in the local emergency center of report simultaneously, the external electrical defibrillator that can install with oneself by the long-range program control patient of electric defibrillation first aid module of long distance monitoring instrument, the electricity irritation of row Long-distance Control is implemented long-range first aid to this patient, and life gives emergency treatment to a patient.
In the above-described embodiments, electrical defibrillator, the GPS module, the GPRS module, the WiFi wireless communication module, hardware module and Linux such as battery powered module, the ICP/IP protocol stack, file system, software systems such as GUI storehouse, conventional remote ecg mobile monitoring principle, the long-range programmed control method of electric defibrillation and the electrocardio of high-risk distension related to the heart disease are analyzed contents such as identification and diagnostic method automatically and are conventional technology, so provide and do not elaborate, specifically can realize with reference to correlation technique data and existing long-range mobile ecg telemonitoring Apparatus and system based on present mobile communication technology.

Claims (6)

1. portable remote real-time monitor at high-risk cardiac, it is characterized in that by functional module: embedded main control module, physiological parameter acquisition module, location positioning module, human-computer interaction module, wireless communication module and electric defibrillation first aid module, and accessory battery, antenna and braces constitute; Wherein:
(1) described embedded main control module (1) is a core with the chip microprocessor, comprises clock, built-in storage, Flash memorizer and power circuit, and expansion has peripheral interfaces such as UART, IIC, PCMCIA, USB, JTAG and GPIO and memorizer;
(2) described physiological parameter acquisition module (2) is the three synchronous cardiac monitorings of triple channel of leading, under the control of a general chip microprocessor, gather patient's electrocardiosignal in real time by the three tunnel identical ecg signal acquiring circuit that singly lead, adopt cuff formula sphygomanometer collection patient blood pressure information simultaneously, they unify to send into embedded main control module by the IIC communication interface respectively after A/D conversion, coding are handled; The physiological parameter acquisition module can further expand blood oxygen, the monitoring of physiology of respiration parameter;
(3) described location positioning module (3) comprises GPS global positioning satellite unit and short-range wireless beacon Passive Positioning unit, embedded main control module is connected with the GPS unit by the UART interface, receive the on-site latitude and longitude information of patient, be connected the emergency framing signal of transmitting-receiving special frequency channel with short-range wireless beacon Passive Positioning unit by GPIO;
(4) described human-computer interaction module (4) is patient's operation interface and equipment working state indication interface, and it comprises LCD screen, button, buzzer and LED light, is connected with embedded main control module by GPIO;
(5) described wireless communication module (5) adopts the ICP/IP protocol stack to realize the liaison at embedded main control module and monitoring center for having GPRS or CDMA, 3G network mobile communication network interface card and the wireless WiFi LAN card of pcmcia interface;
(6) described electric defibrillation first aid module (6) is connected with embedded main control module by the GPIO mouth; the electric defibrillation programmed electrical stimulation order that receiving remote monitoring center doctor sends; through directly controlling the electrical defibrillator that the patient is installed after buffering amplification, the insulation blocking on one's body, produce the electric pulse stimulation patient's heart.
2, portable remote real-time monitor according to claim 1, it is characterized in that: the electrocardiosignal that described embedded main control module (1) is gathered in real time to physiological parameter acquisition module (2) is handled and is analyzed, obtain the characteristic parameters such as P ripple, QRS ripple, T ripple, ST section, P-P interval, P-R interval, S-T interval of patient's heart real time figure, and judge and discern various high-risk heart disease electrocardiograms performances, when diagnostic result occurs sending the alarm prompt patient when unusual, warning information is uploaded to the monitoring center.
3, portable remote real-time monitor according to claim 1, it is characterized in that: also have the Holter formula and dynamically guard the unit, when long section time communication failure appears in itself and monitoring center, automatically transferring the Holter formula to dynamically guards, electrocardio, the blood pressure information of gathering deposits in the incidental at random Flash memorizer in real time, and prompting patient communication failure, in effective storage monitoring phase of long distance monitoring instrument, go to the monitoring center, derive historical monitoring information by USB interface.
4, portable remote real-time monitor according to claim 1, it is characterized in that: got in touch with by GSM/GPRS or CDMA, 3G mobile network mobile communication and two kinds of communications of WiFi LAN and hospital monitoring center, its communication mode switches according to patient location signal intelligence and adopts automated manner or manual mode.
5, portable remote real-time monitor according to claim 1 is characterized in that: on embedded ICP/IP protocol stack, and custom encapsulation one set segmented communication handshake protocol package and monitoring center reliable communication; Each section of communication protocol packet comprises: packet header opening flag section, User Recognition section, information type section, data segment, error checking section and bag tail identification fields.
6, portable remote real-time monitor according to claim 1 is characterized in that: described physiological parameter acquisition module has comprised electrode lead system, pre-amplifying module, rearmounted amplification module and data transaction and packing processing module; Wherein, pre-amplifying module is connected to form by the quadravalence low-pass filter circuit of high tension protection circuit, preamplifier, 100Hz cut-off frequency, and rearmounted amplification module is connected to form by high pass filter, the adjustable gain main amplifier circuit of 50Hz wave trap, 0.5Hz cut-off frequency; The physiological parameter signals that is obtained by three body surface electro cardiscope monitor utmost points inserts pre-amplifying module by 3 electrode lead systems, behind high tension protection circuit, once more signal is amplified after the high pass filter filters of frequency is handled through the quadravalence low pass filter of 100Hz cut-off frequency, wave trap and the 0.5Hz of 50Hz successively, three tunnel electrocardiosignaies are converted to digital signal and send into the AVR single-chip microcomputer through 400Hz sample rate, 14 accuracy A/D transducers again after the pretreatment of above-mentioned small-signal modulate circuit; Be patient wear one cuff formula electric sphygmomanometer simultaneously, after amplification, filtering, A/D conversion, send into the AVR single-chip microcomputer equally.
CN 200620045084 2006-08-24 2006-08-24 Portable remote real-time monitor for high risk heart disease patient Expired - Fee Related CN200977153Y (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008101409A1 (en) 2007-02-16 2008-08-28 Sun Medical-Scientific (Shanghai) Co., Ltd. Non-electrode-lead ultra-thin micro multifunctional heart rate adjusting device
CN101869475A (en) * 2010-06-23 2010-10-27 中北大学 Intelligent monitor
CN101938513A (en) * 2010-08-12 2011-01-05 安徽华升康医疗科技股份有限公司 Wireless transmission device for human physiological parameters
CN101947134A (en) * 2010-09-30 2011-01-19 福建新大陆电脑股份有限公司 Monitor, monitoring method, monitoring system of physiological information
CN102048580A (en) * 2009-11-02 2011-05-11 俞青 User terminal of telemedicine system
CN103239222A (en) * 2013-04-17 2013-08-14 深圳市科曼医疗设备有限公司 Electrocardio signal acquisition device and method
CN103876708A (en) * 2013-11-25 2014-06-25 北京大学人民医院 Wireless mobile information exchange method for pain stress and subjective feeling and pain treatment
CN104203138A (en) * 2012-04-05 2014-12-10 E·卡根 Modular medical instrument
CN105105762A (en) * 2015-09-22 2015-12-02 赖大坤 Telemetering monitoring method and system of multiparameter automatic early warning and rapid positioning response
CN106510684A (en) * 2016-10-28 2017-03-22 重庆城市管理职业学院 Wearable angina monitoring instrument
CN108815707A (en) * 2018-04-25 2018-11-16 广州磁力元科技服务有限公司 Remote alarm cardiac defibrillation monitor
US11470059B2 (en) * 2020-10-14 2022-10-11 Schweitzer Engineering Laboratories, Inc. Systems and methods for establishing secure communication in an electric power distribution system

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008101409A1 (en) 2007-02-16 2008-08-28 Sun Medical-Scientific (Shanghai) Co., Ltd. Non-electrode-lead ultra-thin micro multifunctional heart rate adjusting device
CN102048580A (en) * 2009-11-02 2011-05-11 俞青 User terminal of telemedicine system
CN101869475A (en) * 2010-06-23 2010-10-27 中北大学 Intelligent monitor
CN101938513A (en) * 2010-08-12 2011-01-05 安徽华升康医疗科技股份有限公司 Wireless transmission device for human physiological parameters
CN101947134A (en) * 2010-09-30 2011-01-19 福建新大陆电脑股份有限公司 Monitor, monitoring method, monitoring system of physiological information
CN104203138A (en) * 2012-04-05 2014-12-10 E·卡根 Modular medical instrument
CN103239222A (en) * 2013-04-17 2013-08-14 深圳市科曼医疗设备有限公司 Electrocardio signal acquisition device and method
CN103876708A (en) * 2013-11-25 2014-06-25 北京大学人民医院 Wireless mobile information exchange method for pain stress and subjective feeling and pain treatment
CN103876708B (en) * 2013-11-25 2017-02-01 北京大学人民医院 Wireless mobile information exchange system for pain stress and subjective feeling and pain treatment
CN105105762A (en) * 2015-09-22 2015-12-02 赖大坤 Telemetering monitoring method and system of multiparameter automatic early warning and rapid positioning response
CN106510684A (en) * 2016-10-28 2017-03-22 重庆城市管理职业学院 Wearable angina monitoring instrument
CN108815707A (en) * 2018-04-25 2018-11-16 广州磁力元科技服务有限公司 Remote alarm cardiac defibrillation monitor
US11470059B2 (en) * 2020-10-14 2022-10-11 Schweitzer Engineering Laboratories, Inc. Systems and methods for establishing secure communication in an electric power distribution system

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