CN100559382C - Emergent medical rescuing wireless mobile information systems and method for interchanging data - Google Patents
Emergent medical rescuing wireless mobile information systems and method for interchanging data Download PDFInfo
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Abstract
The invention discloses a kind of emergent medical rescuing wireless mobile information systems and method for interchanging data, it comprises monitoring and gathers transmitting apparatus and two unit of information integration workstation; Monitoring is gathered transmitting apparatus and has been comprised monitoring circuit, calculating control circuit, data processing circuit, dynamic data and connect parts such as road buffer circuit, wireless internet network Access Control circuit, power circuit; The information integration workstation is made up of mobile computer, GPS positioning equipment, Message Entry Device, display device, PDA handheld device, video camera circuit etc.It is as follows that the present invention has advantage: realize the comprehensive medical information collection of portable patient, and, have the functions such as monitoring network equipment of psychological ability of regulation and control, hospital's sizing screening, on, GPS location by the transmission of wireless internet network realization information realtime interactive; Calibration-based hearing loss evaluation transmission data transmission security, authenticity, reliability all hold good security; Guarantee that system can be applied in the ambulatory environment in scale.
Description
Technical field
The present invention relates to a kind of long distance wireless moving first-aid infosystem.
Technical background
Beijing is an international metropolis, and economic development is rapid, and urban construction is like a raging fire, and populous, and structure of personnel's complexity requires very high for the medical first aid level.To WORKERS OF BEIJING first aid give treatment to basic present situation and carried out after the market study, we can find that the relevant section office of many hospitals first aid are provided with incomplete, lack the complete doctor on duty of emergency aid and treatment section office, each hospital's first aid treatment ability difference is bigger, and significant wound and other diseases patient are difficult in time be transported to the hospital of treatment ability; Wound and the investigation of other diseases treatment flow process present situation pilot are found, sufferer patient obtains that urgent in-situ curing ratio is low, and the transhipment time is longer, and the centre ratio of transferring from one hospital to another is higher, in advance and hospital's patient's ratio of getting in touch lower, the reason of failing to get in touch mainly is that network is obstructed; Owing to lack necessary getting in touch with illness treatment hospital before coming institute to go to a doctor, the stand-by period that obtains effective treatment after the arrival hospital is longer, though installed radio transmission device and ECG monitor on the ambulance that has additional, but also can only carry out the contact of common voice and Word message, can not be with patient's heart rate, blood oxygen saturation, blood pressure, vital sign datas such as brain electricity, particularly effective cardiogram, the electroencephalogram real-time waveform is in each the treatment department transmission of alignment hospital, cause the hospital that receives treatment can not understand spot patient's concrete ill situation the very first time, comprise the in-situ curing situation, the realtime graphic of live video scene.Simultaneously, the doctor of spot can not obtain relevant seeking medical advice in some periods of patient's premorbid (if any) electronic medical information, can not obtain effectively, comprehensively medical treatment guidance.There is not the comprehensive medical information electronization record in first aid, the operation process.The sizing screening reference that does not have the hospital of outstanding treatment ability.The automatic real-time assessment, scoring, the trend map drawing ability that do not have conditions of patients.More there is not the realization of the real-time feedback regulation ability of brain function.Therefore be badly in need of one and overlap complete, safety, real-time, the integrated long distance wireless moving first-aid infosystem that comprises above-mentioned each functional module.
Summary of the invention
The purpose of this invention is to provide a kind of emergent medical rescuing wireless mobile information systems and method for interchanging data, after utilizing the technology of multinomial practicability integrated with solution, successfully finish sharedization of medical information in patient's in-situ curing in the emergency medicine and the transport process and the technical matters of real-time online remote medical consultation with specialists.
Hardware of the present invention is formed and is comprised two unit.First module is that transmitting apparatus is gathered in monitoring.Unit second is the information integration workstation.Monitoring is gathered transmitting apparatus and has been comprised monitoring circuit, calculating control circuit, data processing circuit, dynamic data and connect parts such as road buffer circuit, wireless internet network Access Control circuit, biofeedback module, power circuit.Annexation between the each several part is as follows:
By receptors such as on one's body electrocardio of patient, brain electricity, blood pressure, blood oxygen probe, conversion patient's corresponding vital sign parameter signals is an electric signal, this signal is sent into filtering, noise control, the amplification importation of monitoring circuit such as electrocardio, brain electricity, blood pressure, blood oxygen, breathing, body temperature, myoelectricity, vascular pulsation, after the computing separately of corresponding monitoring module (HXD_I), processing, via the RS232 communication port and the simulating signal delivery outlet of module, send into respectively in mould, number conversion circuit and the RS232 interface circuit of center calculation control section again.After the center calculation control section obtains digitized above-mentioned vital sign data, send into the data processing circuit of encryption, compression, small echo calculating respectively.Obtain processed data stream, send in the dynamic data link buffer queue.Dynamic data link buffer queue is data storage and the export structure that changes.According to the difference of network state, the structure difference of data in storage area.After the interrupt event that obtains the network state variation triggers, control the different permutation and combination of the data that collect by calculating control circuit.Under write command control, write the storage queue data.Data in the formation are under the control that reads instruction of calculating control circuit, output to wireless internet network Access Control circuit through FPDP: the calculation control part is after obtaining brain electric information, after writing dynamic data link buffer memory in real time and send as the initial basic feedback information in the biofeedback control flow, wait for the control command that reception host computer and information integration workstation are sent in real time, in the internal memory of calculating control circuit, take out the control corresponding schema code in view of the above, with different electro photoluminescence frequencies and intensity and light stimulus frequency and intensity, apply through driving output circuit, light stimulus is to patient's corresponding body part; Internet Access Control circuit part is finished the function of automatic dialing to network, network state identification, the modulation of TCP mode signal, subpackage, output.Data are sent into the information integration workstation by the RS232 interface when delivering to internet access part.
The information integration workstation is made up of mobile computer, GPS positioning equipment, Message Entry Device, display device, PDA handheld device, video camera circuit etc.
Mobile computer receives monitoring and gathers the data stream that transmitting element sends, and send to show monitoring waveform and numerical value on the display device.Receive the satellite positioning signal of GPS positioning equipment, by applied map software display device site on display device.Simultaneously, by the RS232 interface locating information is sent in the internet Access Control circuit and sent.Mobile computer according to the user of service by Message Entry Device and PDA handheld device the basic state of an illness with wireless or wired mode typing patient, rescue, treatment step and medication, and and the real-time literal Content of communciation of host computer, at any time generate the first aid record, and will write down all calibration-based hearing loss evaluation that document traces and literal instant messaging content and after encryption, send into by the RS232 interface and send in real time in the internet Access Control circuit and receive literal and the feedback control information that host computer is passed back, send into respectively again that display device shows and sound, light, the output circuit of electricity FEEDBACK CONTROL part.Mobile computer can select to show the content of hospital's sizing screening tabulation, expert consulting decision-making tabulation and patient's states assessment scoring tabulation by button.
Mobile computer by camera with the video image acquisition at scene in system, upload in the host computer by mobile 3G technology and to show.
Information integration workstation of the present invention, monitoring are gathered transmitting apparatus and are comprised the brain function feedback module that receives the regulating control command that host computer obtains after for the brain electric information computing that receives with wireless mode, music list memory circuit, word language conversion memory circuit, sound equipment that the information integration workstation comprises in the biofeedback module amplify control section, realize the stimulation output of sound.The output that transmitting apparatus comprises light in the biofeedback module, electrical stimulation pattern storage and drive controlling is gathered in monitoring, realizes the output of light, electro photoluminescence.
The workflow of brain function feedback module is as follows: monitoring is gathered the EEG signal collection in the transmitting element and is sent in real time in the host computer of information receiving end.Mobile computer receives host computer by internet Access Control circuit the brain electricity monitoring waveform that receives is implemented to analyze, handle, and adopts frequency spectrum and wavelet algorithm, extracts I35, I22 index (HXD_I).Send the real-time results of calculating gained back to mobile computer, mobile computer is play according to different music and psychological hint word languages in the brain state indices control background music tabulation wherein.Simultaneously, mobile computer is sent to monitoring by the rs232 interface with the light-operated and automatically controlled signal of host computer and gathers transmitting apparatus, the calculation control part that transmitting apparatus is gathered in monitoring is according to the numerical value of above-mentioned light-operated, automatically controlled signal, in internal storage location, obtain stimulus modality information, via light, electrical modulation circuit and isolated drive circuit, output on the corresponding organ of human body.
Monitoring part of the present invention adopts magnificent Xiang to produce the multifunction combined custodial care facility of HXD_I, gather patient's vital sign parameter signals, through multiple computational analysis and control, after encrypting, compressing, described vital sign parameter signals is optionally sent into data the control of GPRS and cdma wireless internet Access Control circuit and is sent through having the data transmission blocks of real Time Network State Analysis ability.
Described transducing part comprises: the harvester of vital sign parameter signals such as brain electricity (waveform), electrocardio (waveform), non-invasive blood pressure, blood oxygen saturation, body temperature, breathing, frontalis electricity, tip perfusion index, vascular pulsation ripple.
The method for interchanging data of emergent medical rescuing wireless mobile information systems of the present invention, adopt unified common data switching plane mode, utilize module programming, the data integration that the multiple hardwares platform is formed is in the operation interface of windows XP, the collection of data is finished in different control modules respectively with the Distribution calculation tupe, comprised the data acquisition of vital sign, the data of acquisition are integrated in the calculation control unit with circulation binary queue structure; Calculation control unit is with the data structure of standard, unified data frequency, and in conjunction with the name structure of native system in networking, logarithm applies closeization processing and compression factually; The data stream of integrating enters in the link storage queue; Data window is 8 bety
L stream window=wavelet (m1+m2+m3+m4+addr+asyn+data1+data2) m1, m2, m3, m4 are the data that module transmits, asyn is that data is data and encrypted packet synchronously
GPRS and CDMA for the transmission of numeric type data, can use UDP bag (or TCP bag) in moving, adopt the mode that repeatedly sends, and guarantee that server can receive the valid data entity one time; Must adopt the TCP bag for the transmission of waveform image; Utilize the flow-control capability of one-chip computer, handle state and inner buffer size that GPRS inserts in real time, the direction of the stream of the real-time process of identification and self-roll-off network communication, and then control data automatically and calling network dialing; Nearly six minutes dynamic data link queue district is set, guarantees the raising of the complete sum fault-tolerant ability of data;
Data are waited for networking in the link storage queue, network state incident of network state trigger circuit triggers, the event handling flow process of calculation control unit enter different thread process unit respectively according to event property; Under normal condition, obtain link data, with the Transmission Control Protocol subpackage, the network address and the port that are provided with in network by wireless network send protocol package;
The Transmission Control Protocol bag +=(save_point-read_point) * real_data → read_point++save_point, read_point is a data pointer, real_data is a real time data;
If abnomal condition, system start-up are waited for dialing thread treatment scheme, the network insertion state identification circuit is regularly attempted network and is connected situation, simultaneously, triggers a data buffer memory incident, and the reorganization data structure; Network state identification determines that the busy still network outage of the webserver takes place, and triggers different message, starts again dial-up circuit or attempts connectivity services device thread;
L stream window=(m1+m1+m1+m1+addr+asyn+data) m1 is the critical data of transmission, and asyn is that data is an encrypted packet synchronously
The dynamic data link management has comprised internal storage data queue management, data encryption management, data compression management; Data structure dynamically changes, and dynamically mutual the coordination and the quick function that transmits of critical data that review data and current data send contained in the reorganization of data stream;
The data transmission of system adopts public network and wireless mode, the transmission of enciphered data.
The method for interchanging data of aforesaid emergent medical rescuing wireless mobile information systems, data encryption technology adopts multiplex mode, and dynamic proprietary encryption bag is set; Draw data encryption D16 as a result with wavelet algorithm, receiving end starts inverse wavelet transform, obtains encrypted result E16, compares the variation of two kinds of encrypted result, can reach the result of the judgment data true and false; Simultaneously,, can confirm the encryption data sequence that receives, correct data splitting according to concrete E16 numerical value;
Data encryption algorithm adopts multi-scale wavelet transform and restructing algorithm that specific one section vital sign waveform signal is handled, and generating function is taken as the first order derivative (splines) of smooth function, makes up 64 points, and yardstick is from 2
0To 2
6, carry out dyadic wavelet transform:
(Wf(2^j，x))j∈z
Reconstruction of function selects part binary translation result to recover:
f(x)＝∑Wf(2^j，x)*X2^j(x)
Wherein X2^j (x) rebuilds small echo;
For the wave function f (x) that calculates gained, adopt integral algorithm
e＝(∫f(x)dx)^2
Can obtain the power e of specific waveforms current potential;
The peak value of waveform current potential judges that employing is very big, minimal value waveform recognition algorithm, and the time point of acquisition is as weighting factor a.Obtain E=a * e;
Obtain after the exponentiate:
E16＝(1-1/esp(E/A))×100
A is a quantizing factor; E16 is an encryption exponent;
The dynamic data compression method has adopted the data recombination technology under the different conditions, has changed the data stream order under the particular state; Make the transmission that critical data can be reliable and stable under the different conditions;
Data_flow＝change(data_channel1，data_channel2，data_channel3，data_channel4)+data_srypt
The Change transformation factor, the data_channel data channel.
It is as follows that the present invention has advantage:
1, realizes the comprehensive medical information collection of portable patient, and realize the information realtime interactive transmission and have monitoring network equipment---portable, the double regulation control formula full information wireless network mobile monitoring workstation of psychological ability of regulation and control, hospital's sizing screening, on, GPS location by wireless internet network;
2, final purpose of the present invention is to eliminate the distance of first aid scene and target hospital, the first aid process that is applied to that the medical resource of hospital is early stage as far as possible as much as possible.
3, system is in moving, and the complete medical information transmission of patient data transmission security, authenticity, reliability all hold good security.The environment that medical information transmits in moving is very abominable, and characteristics are communication signal instabilities, jolt, data are easy to be intercepted and captured.Require data encryption, require the System Fault Tolerance operation, require system intelligent degree height, require man-machine interface close friend, simple.The present invention has adopted the many high technology approach that comprise Digital Signal Analysis, guarantees that system can be applied in the ambulatory environment in scale.
4, global design of the present invention is based upon on the internet system.Adopt wireless interconnected network technology, realize that medical information is shared.Transmission of Information is set up a constant transmissions passage via the internet, sends data.
5, the present invention utilizes minimum cost, and the most reliable system architecture is organic, mutual molten and within an equipment with multiple technologies, embodies safe, practical, reliable, transparent technical characterstic.
Description of drawings
Fig. 1 is a circuit system fundamental diagram of the present invention.
Fig. 2 is that data transmission of the present invention starts wait dialing thread processing flow chart.
Fig. 3 is the realization processing flow chart of systemic-functions such as instant messaging management of the present invention.
Embodiment
The present invention has comprised multiple prior art in one, is integrated integrated information collection, management, control system.It comprises: biofeedback technology during patient monitor technology, hospital clinical informationization technology (CIS), clinical medicine path technique, numerical analysis and treatment technology, internet access technology, wireless communication technique, GPS location technology, instant messaging technology, embedded software technology, information integration technology and human body information are learned.
The development of above-mentioned technology has possessed the degree of complete practicability.Product all has ripe application example or relevant patent (as: ZL200620012227.9, ZL 200720151249.8, patents such as ZL 200520142195.X) in different field separately separately.
Hardware of the present invention is made up of monitoring part, computing part, sound equipment part, camera part, wireless transmission acceptance part, power unit, transducing part.
Monitoring module in the system adopts the multifunction combined custodial care facility of magnificent Xiang (HXD_I) with registration sales permission.Its multifunction module has comprised the monitoring of ordinary life sign and brain function index, simultaneously, for the secondary calculating of ordinary life sign, has obtained multinomial function monitoring index again.
The system requirements data encryption requires the System Fault Tolerance operation, requires system intelligent degree height, requires man-machine interface close friend, simple.The many high technology approach that comprise Digital Signal Analysis have been adopted in the solution of problem, guarantee that system can be applied in the ambulatory environment in scale.
Global design of the present invention is based upon on the internet system.Adopt wireless interconnected network technology, realize that medical information is shared.Transmission of Information is set up a constant transmissions passage via the internet, sends data.Block diagram such as Fig. 1 represent.
The integrated degree that has embodied system informationization of technology, the integration of technology are complicated technology difficult points the most wherein.The networking name structure, event-driven that must solve multiple technologies unified shader, Distribution calculation processing, standardized data structures, mobile monitoring information work station trigger and optimize Internet resources, reduce that network takies, intelligent network state recognition, dynamic link connection management or the like key processing technique.
The technology of system is integrated the unified common data switching plane mode that adopts.Utilize module programming, the data integration that the multiple hardwares platform is formed is in the operation interface of windows XP, the collection of data is finished in different control modules respectively with the Distribution calculation tupe, comprised the data acquisition of vital sign, the data of acquisition are integrated in the calculation control unit with circulation binary queue structure.Calculation control unit is with the data structure of standard, and unified data frequency integrates the name structure of this machine in networking, and logarithm applies closeization processing and compression factually.The data stream of integrating enters in the link storage queue.Data window is 8 bety
L stream window=wavelet (m1+m2+m3+m4+addr+asyn+data1+data2) m1, m2, m3, m4 are the data that module transmits, asyn is that data is data and encrypted packet synchronously
System data sends and state is accepted, order acceptance is the basic assurance of system's practicability.It also is one of the key link that can use safely of system.GPRS and CDMA are not a stable internet access technology in moving.All too many levels can influence the effect that data transmit.For the transmission of numeric type data, can use the UDP bag.Adopt the mode that repeatedly sends, guarantee that server can receive the valid data entity one time.For the transmission of waveform image, require continuity and exclusiveness.Can not obliterated data.This is the difficult point of this technology.The encryption of data and compression are another difficult points of waveform transmission.The transmission of waveform image must be adopted the TCP bag.Utilize the flow-control capability of one-chip computer, handle state and inner buffer size that GPRS inserts in real time.The direction of the stream of the real-time process of identification and self-roll-off network communication, and then control data automatically and calling network dialing.Be provided with nearly six minutes data link dynamic queue district.Guarantee the raising of the complete sum fault-tolerant ability of data.The enforcement of this technology, and the application of management of the dynamic queue of receiving station workstation software and data presentation antialiasing are that this invention can practical basic assurance.
Data are waited for networking in the link storage queue.Network state incident of network state trigger circuit triggers, the event handling flow process of calculation control unit enter different thread process unit respectively according to event property.Under normal condition, obtain link data, with the Transmission Control Protocol subpackage, the network address and the port that are provided with in network by wireless network send protocol package.
The Transmission Control Protocol bag +=(save_point-read_point) * real_data → read_point++save_point, read_point is a data pointer, real_data is a real time data.
If abnomal condition, system start-up are waited for dialing thread treatment scheme, the network insertion state identification circuit is regularly attempted network and is connected situation, simultaneously, triggers a data buffer memory incident, and the reorganization data structure.Network state identification determines that the busy still network outage of the webserver takes place, and triggers different message, starts again dial-up circuit or attempts connectivity services device thread (see figure 2).
L stream window=(m1+m1+m1+m1+addr+asyn+data) m1 is the critical data of transmission, and asyn is that data is an encrypted packet synchronously
The dynamic data link management has comprised the internal storage data queue management, data encryption management, data compression management.Data structure dynamically changes, the reorganization of data stream.Contained dynamically mutual the coordination and the quick function that transmits of critical data that review data and current data send.
The data transmission of system adopts public network and wireless mode, the transmission of necessary enciphered data.Native system does not adopt the routine data encryption technology.A kind of dynamic data encryption method with independent intellectual property rights is proposed: the wavelet analysis data encryption technology.The basis of considering is the complexity of wavelet analysis technology and meticulous, decomposes and reduction characteristic, and powerful antijamming capability.The hardware design of system has taken into full account the enforcement of this technology.Data layout expands to eight channel data transmittabilities.Set the wavelet transformation and the exponentiate wavelet analysis result of particular piece of data in advance.The generating function wherein and the resolution of data conversion are maintained secrecy, and the channel number of each compositional data is unordered.At receiving end, signal is implemented inverse transformation, but the primary characteristic of restore data.The employing of this technology, interference that can erasure signal.The application of wavelet analysis technology also can be handled signal at receiving end, extracts some characteristic index of multiple signal, so that as the data basis of telepresence regulation and control.The employing of this technology is the basis of system's practicability.
Data encryption technology adopts multiplex mode, and dynamic proprietary encryption bag is set.Draw data encryption D16 as a result with wavelet algorithm.Receiving end starts inverse wavelet transform, obtains encrypted result E16, compares the variation of two kinds of encrypted result, can reach the result of the judgment data true and false.Simultaneously,, can confirm the encryption data sequence that receives, correct data splitting according to concrete E16 numerical value.
Data encryption algorithm adopts multi-scale wavelet transform and restructing algorithm that specific one section vital sign waveform signal is handled, and generating function is taken as the first order derivative (splines) of smooth function, makes up 64 points, and yardstick is from 2
0To 2
6, carry out dyadic wavelet transform:
(Wf(2^j，x))j∈z
Reconstruction of function selects part binary translation result to recover:
f(x)＝∑Wf(2^j，x)*X2^j(x)
Wherein X^2j (x) rebuilds small echo.
For the wave function f (x) that calculates gained, adopt integral algorithm
e＝(∫f(x)dx)^2
Can obtain the power e of specific waveforms current potential.
The peak value of waveform current potential judges that employing is very big, minimal value waveform recognition algorithm, and the time point of acquisition is as weighting factor a.Obtain E=a * e.
Obtain after the exponentiate:
E16＝(1-1/esp(E/A))×100
A is a quantizing factor.E16 is an encryption exponent.
The dynamic data compression method has adopted the data recombination technology under the different conditions, has changed the data stream order under the particular state.Make the transmission that critical data can be reliable and stable under the different conditions.
Data_flow＝change(data_channel1，data_channel2，data_channel3，data_channel4)+data_srypt
The Change transformation factor, the data_channel data channel
Above-mentioned vital sign collection and wireless transmission have utilized multiple soft, hardware pattern.With Distributed Calculation processing, standardized data integration modal sets organization data stream.Start the multi-task parallel treatment mechanism with dynamic data storage management and message mechanism, reach the reliable and continuous of wireless transmission.
The informationization technology of system is the external expressive form that calibration-based hearing loss evaluation is shared.It also is the modern a kind of performance of system.Simultaneously, also be the technical bottleneck that system realizes.This invention has demonstrated fully unique charm integrated and the different field technological incorporation.Consider the characteristic of system's Wide Area Network application, and the distribution of the wide area of message exchange, informationalized realization is inside story mechanism exchange the most complicated in the message exchange framework and multi-multipoint data wireless transmission switch mode in the native system.
The monitoring data that the monitoring processing section of system collects are sent to mobile sufferer information work station simultaneously, and log-on data receives and shows stores two message.The thread that computer system starting is different comprises the realization of processing, the processing of GPS locating information, hospital's grading list, expert consulting, patient's states scoring, the basic state of an illness and the systemic-functions such as the typing of treatment process, the generation of information-based document and instant messaging management of guarding data.Treatment scheme as shown in Figure 3.
The integrated framework of system software technology has solved the difficult point that many information interactions are handled.The particularly realization of automaticdata exchange, the automation issues when having solved thread process such as document generation, assessment scoring, hospital's classification, voice broadcast, expert consulting effectively.
System adopts message mechanism, and system sets up a message queue, has priority control, message is waited for service in formation, obtain service response after, system sets up the internal storage data exchange area, afterwards, call the functional module of different software language establishment, realize the ability of multi-functional parallel processing.Like this system works flow process of framework has reached the dirigibility and the function modoularization preparation method of software programming to greatest extent.It is modern software workflow.
Claims (4)
1, a kind of emergent medical rescuing wireless mobile information systems is characterized in that it comprises two unit; First module is that transmitting apparatus is gathered in monitoring; Unit second is the information integration workstation; Monitoring is gathered transmitting apparatus and has been comprised monitoring circuit, calculating control circuit, data processing circuit, dynamic data and connect road buffer circuit, wireless internet network Access Control circuit, biofeedback module, power circuit part; Annexation between the each several part is as follows:
By patient's electrocardio, brain electricity, blood pressure, blood oxygen receptor probe on one's body, conversion patient's corresponding vital sign parameter signals is an electric signal, this electric signal is sent into filtering, noise control, the amplification importation of electrocardio, brain electricity, blood pressure, blood oxygen, breathing, body temperature, myoelectricity, vascular pulsation monitoring circuit, after the computing separately of corresponding monitoring module, processing, via the RS232 communication port and the simulating signal delivery outlet of monitoring module, send into respectively in mould, number conversion circuit and the RS232 interface circuit of center calculation control section again; After the center calculation control section obtains digitized above-mentioned vital sign data, send into the data processing circuit of encryption, compression, small echo calculating respectively; Obtain processed data stream, send in the dynamic data link buffer queue; Dynamic data link buffer queue is data storage and the export structure that changes; According to the difference of network state, the structure difference of data in storage area; After the interrupt event that obtains the network state variation triggers, control the different permutation and combination of the data that collect by calculating control circuit; Under write command control, write the storage queue data; Data in the formation output to wireless internet network Access Control circuit through FPDP under the control that reads instruction of calculating control circuit; The calculation control part is after obtaining brain electric information, after writing dynamic data link buffer memory in real time and send as the initial basic feedback information in the biofeedback control flow, wait for the control command that reception host computer and information integration workstation are sent in real time, in the internal memory of calculating control circuit, take out the control corresponding schema code in view of the above, with different electro photoluminescence frequencies and intensity and light stimulus frequency and intensity, apply electricity, light stimulus corresponding body part to the patient through driving output circuit; Internet Access Control circuit part is finished the function of automatic dialing to network, network state identification, the modulation of TCP mode signal, subpackage, output; Data are sent into the information integration workstation by the RS232 interface when delivering to internet access part;
The information integration workstation is made up of mobile computer, GPS positioning equipment, Message Entry Device, display device, PDA handheld device, video camera circuit;
Mobile computer receives monitoring and gathers the data stream that transmitting element sends, and send to show monitoring waveform and numerical value on the display device; Receive the satellite positioning signal of GPS positioning equipment, by applied map software display device site on display device; Simultaneously, by the RS232 interface locating information is sent in the internet Access Control circuit and sent; Mobile computer according to the user of service by Message Entry Device and PDA handheld device the basic state of an illness with wireless or wired mode typing patient, rescue, treatment step and medication, and and the real-time literal Content of communciation of host computer, at any time generate the first aid record, and will write down all calibration-based hearing loss evaluation that document traces and literal instant messaging content and after encryption, send into and send and receive literal and the feedback control information that host computer is passed back in the internet Access Control circuit in real time by the RS232 interface, send into display device demonstration and sound more respectively, light, electricity biofeedback module is through the output circuit output of FEEDBACK CONTROL part;
Mobile computer by camera with the video image acquisition at scene in system, upload in the host computer by mobile 3G technology and to show;
The data interchange platform mode of native system is to utilize module programming, the data integration that the multiple hardwares platform is formed is in the operation interface of windows XP, the collection of data is finished in different control modules respectively with the Distribution calculation tupe, comprised the data acquisition of vital sign, the data of acquisition are integrated in the calculation control unit with circulation binary queue structure; Calculation control unit is with the data structure of standard, unified data frequency, and in conjunction with the name structure of native system in networking, logarithm applies closeization processing and compression factually; The data stream of integrating enters in the link storage queue; Data window is 8 bety
L stream window=wavelet (m1+m2+m3+m4+addr+asyn+data1+data2) m1, m2, m3, m4 are the data that module transmits, asyn is that data is an encrypted packet synchronously
GPRS and CDMA for the transmission of numeric type data, can use UDP bag or TCP bag in moving, adopt the mode that repeatedly sends, and guarantee that server can receive the valid data entity one time; Must adopt the TCP bag for the transmission of waveform image; Utilize the flow-control capability of one-chip computer, handle state and inner buffer size that GPRS inserts in real time, the direction of the stream of the real-time process of identification and self-roll-off network communication, and then control data automatically and calling network dialing; Nearly six minutes dynamic data link queue district is set, guarantees the raising of the complete sum fault-tolerant ability of data;
Data are waited for networking in the link storage queue, network state incident of network state trigger circuit triggers, the event handling flow process of calculation control unit enter different thread process unit respectively according to event property; Under normal condition, obtain link data, with the Transmission Control Protocol subpackage, the network address and the port that are provided with in network by wireless network send protocol package;
The Transmission Control Protocol bag +=(save_point-read_point) * real_data → read_point++save_point, read_point is a data pointer, real_data is a real time data;
If abnomal condition, system start-up are waited for dialing thread treatment scheme, the network insertion state identification circuit is regularly attempted network and is connected situation, simultaneously, triggers a data buffer memory incident, and the reorganization data structure; Network state identification determines that the busy still network outage of the webserver takes place, and triggers different message, starts again dial-up circuit or attempts connectivity services device thread;
L stream window=(m1+m1+m1+m1+addr+asyn+data)
The critical data of m1 for transmitting, asyn is that data is an encrypted packet synchronously
The dynamic data link management has comprised internal storage data queue management, data encryption management, data compression management; Data structure dynamically changes, and dynamically mutual the coordination and the quick function that transmits of critical data that review data and current data send contained in the reorganization of data stream;
The data transmission of system adopts public network and wireless mode, the transmission of enciphered data.
2, a kind of emergent medical rescuing wireless mobile information systems as claimed in claim 1, it is characterized in that: monitoring is gathered transmitting apparatus and is comprised the brain function feedback module that receives the regulating control command that host computer obtains after for the brain electric information computing that receives with wireless mode, and music list memory circuit, word language conversion memory circuit, sound equipment that the information integration workstation comprises the stimulation output of the realization sound in the biofeedback module amplify control section; The output that transmitting apparatus comprises light, electrical stimulation pattern storage and drive controlling in the biofeedback module that realizes light, electro photoluminescence output is gathered in monitoring.
3, a kind of emergent medical rescuing wireless mobile information systems as claimed in claim 1, it is characterized in that: transducing part comprises: the harvester of brain wave patterns, ecg wave form, non-invasive blood pressure, blood oxygen saturation, body temperature, breathing, frontalis electricity, tip perfusion index, vascular pulsation ripple vital sign parameter signals.
4, a kind of emergent medical rescuing wireless mobile information systems as claimed in claim 1 is characterized in that: data encryption technology adopts multiplex mode, and dynamic proprietary encryption bag is set; Draw data encryption D16 as a result with wavelet algorithm, receiving end starts inverse wavelet transform, obtains encrypted result E16, compares the variation of two kinds of encrypted result, can reach the result of the judgment data true and false; Simultaneously,, can confirm the encryption data sequence that receives, correct data splitting according to concrete E16 numerical value;
Data encryption algorithm adopts multi-scale wavelet transform and restructing algorithm that specific one section vital sign waveform signal is handled, and generating function is taken as the first order derivative of smooth function, makes up 64 points, and yardstick is from 2
0To 2
6, carry out dyadic wavelet transform:
(Wf(2^j，x))j∈z
Reconstruction of function selects part binary translation result to recover:
f(x)＝∑Wf(2^j，x)*X2^j(x)
Wherein X2^j (x) rebuilds small echo;
For the wave function f (x) that calculates gained, adopt integral algorithm
e＝(∫f(x)dx)^2
Can obtain the power e of specific waveforms current potential;
The peak value of waveform current potential judges that employing is very big, minimal value waveform recognition algorithm, the time point of acquisition
E16＝(1-1/esp(E/A))×100
A is a quantizing factor; E16 is an encryption exponent;
The dynamic data compression method has adopted the data recombination technology under the different conditions, has changed the data stream order under the particular state; Make the transmission that critical data can be reliable and stable under the different conditions; Data_flow=change (data_channel1, data_channel2, data_channel3, data_channel4)+data_srypt
The Change transformation factor, the data_channel data channel.
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| CN101803916B (en) * | 2010-03-23 | 2014-07-16 | 中兴通讯股份有限公司 | Terminal and method for acquiring electrocardiogram data information |
| CN103312782A (en) * | 2013-05-15 | 2013-09-18 | 晁彦公 | Remote intelligent first-acid system and remote intelligent first-acid method |
| CN103676712B (en) * | 2013-11-22 | 2016-06-08 | 广东招润投资发展有限公司 | A kind of intelligence control system and intelligent control method thereof of clinical medicine laboratory inspection quality |
| CN103876743B (en) * | 2013-12-04 | 2017-02-01 | 北京大学人民医院 | Sleep apnea information exchange method for realizing automatic computation function by wireless mobile internet |
| CN103892815B (en) * | 2014-04-28 | 2016-02-17 | 广东欧珀移动通信有限公司 | A kind of Human Physiology Monitoring Indexes method and monitoring system |
| CN104469327B (en) * | 2014-12-23 | 2018-03-13 | 上海工程技术大学 | A kind of remote measuring and controlling method and apparatus of rehabilitation nursing robot bed |
| CN105534521A (en) * | 2016-01-28 | 2016-05-04 | 南京邮电大学 | Electroencephalogram real-time monitoring control system and method based on positioning |
| CN106874667A (en) * | 2017-02-11 | 2017-06-20 | 肇庆全商联盟信息科技有限公司 | A kind of medical data storage system based on Multifunctional mobile medical vehicle |
| EP3881337A1 (en) * | 2018-11-12 | 2021-09-22 | Koninklijke Philips N.V. | A system and method to process waveform data in medical devices |
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