CN101599110A - Emergency medical rescue wireless mobile information management method and platform - Google Patents
Emergency medical rescue wireless mobile information management method and platform Download PDFInfo
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Abstract
The invention discloses a kind of emergency medical rescue wireless mobile information management method and platform.Its centre point is to be based upon on the basis of the zone monitoring information wireless network management system in the wide scope.It comprises onset site patient basic condition, the quick typing of state of an illness information and sends hand-held PDA equipment, collection transmission, voice and video instant messaging, the GPS that the vehicle-mounted part of mobile ambulance is responsible for monitoring information, patient's essential information, treatment rescue information locatees, the mobile monitoring information management system of real-time road inquiry, and fixed-site first aid management and running center configuration is responsible for the first aid scheduling information management system of management and running and the real-time monitoring of comprehensive information.The present invention makes the whole digitizings of emergency relief procedural information, the different region patients of generations such as rescue in onset site, transport process, the hospital that sees and treat patients, the institute, scheduling controlling rescue medical information and share synchronously in real time, reach the first aid new model that the patient does not go ahead of the rest to information.
Description
Technical field
The present invention relates to a kind of long distance wireless moving first-aid information integrated and management method and system.
Background technology
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 emergency medical rescue wireless mobile information platform and medical first aid new model, solve in the technology, first aid management and running, institute's front courtyard of sharedization of medical information in patient's in-situ curing in the emergency medicine and the transport process and real-time online remote medical consultation with specialists technical matterss such as handing-over.
A kind of emergency medical rescue wireless mobile information management method, utilize wireless Internet as the message exchange media, adopt unified common data switching plane, utilize module programming, the data integration that the multiple hardwares platform is formed forms the information-based framework of Wide Area Network and the pattern of medical rescue zone monitoring emergency information management in unified Windows operation interface; Wherein, effective patient data that first aid in hospital information management system, first aid scheduling information management system generate down before onset site first aid information management system, vehicle-mounted transhipment monitoring information management system, the institute is transmitted in real time between above-mentioned each system, exchanges, is shared by wireless internt internet platform; The information acquisition of vehicle-mounted transhipment monitoring information management system and field first aid information management system partly sends the identification mode of data; On the basis that the medical area information network builds up, integrated mutually if when the patient has historical healthy electronic medical record, can transfer the historical health and fitness information of associated patient in each central station.
Above-mentioned a kind of emergency medical rescue wireless mobile information management method utilizes hand-held PDA input patient's the basic state of an illness and main suit, and the quick input interface of casualties information in colony's nocuity incident is provided; Entry information is sent into internet platform in real time, realizes sharing.
Above-mentioned a kind of emergency medical rescue wireless mobile information management method: utilize the software and hardware integration design of patient monitor and mobile computer, wireless Internet communication access and one-chip computer intelligent communication control assembly.Form the wireless mobile monitoring information management and the real-time Transmission of digital information way to manage; Have record first aid procedural information, use medicinal liquid, vital sign trend is traced, patient's life state assessment scoring, see and treat patients hospital's feature list, clinical path, first aid doctor's advice, instant messaging, information systems such as GPS location.
Above-mentioned a kind of emergency medical rescue wireless mobile information management method receives sufferer vital signs information (waveform and numerical value), the basic personal information of patient, treatment procedural information and demonstration, storage, review in first aid scene and the transport process in real time; Management ambulance state and patient transport state.Automatically generate the record document.Have instant messaging, change of illness state assessment trend analysis, digital information performances such as the hospital that sees and treat patients, typing patient personal information, the monitoring switching of many emergency tenders are specified in the GPS location.
Above-mentioned a kind of emergency medical rescue wireless mobile information management method, the processing of data is to finish in different control modules respectively with the Distribution calculation tupe, each system is the vital sign and the emergency treatment information that collect of pre-service to greatest extent, and data necessary enters the internet platform transmission and shares.Each ambulance sufferer information is transmitted synchronously via data center server and is stored in server, and shared data is accepted simultaneously at all receiving stations just at work, demonstration, distributed store.The data center server monitoring comprises that preceding first aid in hospital workstation of institute and first aid despatching work stand in the request of the receiving station of all interior request msgs, send total data to the computing machine of asking website by the internet simultaneously.Receiving station in the work receives all shared data that transmit on the internet synchronously in real time, stores synchronized, separate patient's first aid information stream that the code book workstation need be observed, display waveform and independent numerical value, and the sufferer information before playback is observed arbitrarily, switch the patient monitoring treatment information of observing different ambulance transhipments arbitrarily, the exchange of information data has comprised the transmission exchange of Word message transmission exchange and vital sign information.Wherein data stream comprises the address information of patient's sufferer information and transmission data.Address structure is:
Address=monitoring number+IP address+port numbers;
Exchange has comprised the feature that numerical value is encrypted and transmission is compressed.Comprised the data acquisition of vital sign, the data of acquisition are integrated in the quick-witted energy of the one-chip computer communication control unit with circulation binary queue structure; One-chip computer quick-witted can communication control unit with the data structure of standard, unified data frequency, in conjunction with the name structure of native system in networking, logarithm applies closeization processing and compression factually, forms encrypting traffic; 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, and the event handling flow process of the quick-witted energy of one-chip computer communication control unit enters 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.
Above-mentioned a kind of emergency medical rescue wireless mobile information management method, in method for interchanging data, 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, just the different pieces of information unitized construction under normal communication state and the communication abnormality state.The prioritised transmission function of important Wave data behind the support communication delay.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，d
ata_channel4)+data_srypt
The Change transformation factor, the data_channel data channel.
A kind of emergency medical rescue wireless mobile information platform, the first module that the hand-held PDA equipment of patient's onset site is formed; Be arranged at Unit second that the mobile monitoring information management system in the ambulance is formed; Be arranged on Unit the 3rd of the first aid scheduling information management system composition of first aid dispatching center; Be arranged on Unit the 4th of the preceding first aid in hospital information management system composition of institute of the hospital that respectively sees and treat patients; The centre data that is arranged on any website of internet platform is handled Unit the 5th that storage server is formed: described first aid scheduling information management system mainly is made up of computing machine, large screen display, sound equipment, microphone, internet access device, ups power; Computing machine wherein by the institute of internet and on-the-spot hand-held PDA, the patient monitor of carrying out the mobile monitoring information management system on the ambulance of first aid task, mobile computer, the selected hospital that sees and treat patients before the computer realization communication of first aid in hospital information management system be connected; The first aid in hospital information management system is made up of some computing machines, large screen display, sound equipment, microphone, internet access device, ups power, the network printer before the described institute; Described mobile monitoring information integration management system has three part hardware: monitoring acquisition module, one-chip computer intelligent communication control module and information integration workstation; The monitoring acquisition module comprises the receptor probe that the corresponding vital sign parameter signals of changing patient is an electric signal, the computing monitoring module of the vital sign parameter signals corresponding with the processing of receptor probe output terminal connection, the rs232 communication interface of the one-chip computer intelligent communication control section that is connected with computing monitoring module output terminal, the encryption that is connected with the one-chip computer circuit, compression, the data processing memory circuit that small echo calculates, the dynamic data that is connected with data processing memory circuit output terminal connects the road buffer circuit, connect the wireless internet network Access Control circuit that road buffer circuit output terminal is connected with dynamic data; The mobile message integrated station is made up of mobile computer, GPS positioning equipment, Message Entry Device, display device, PDA handheld device, video camera circuit; Mobile computer receives the data stream that one-chip computer intelligent communication control circuit sends by the rs232 interface, send to show monitoring waveform and numerical value on the display device; Mobile computer receives 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 to be sent; The video image acquisition at scene is connected with mobile computer to the camera in the system, uploads in the host computer by mobile 3G technology and show.
Described a kind of emergency medical rescue wireless mobile information platform, sensor probe partly comprises in the described mobile monitoring information management system: the harvester of vital sign parameter signals such as brain wave patterns, ecg wave form, non-invasive blood pressure, blood oxygen saturation, body temperature, breathing, frontalis electricity, tip perfusion index, vascular pulsation ripple.
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.System layout, build easy, reliable, no distance limit.See and treat patients hospital, dispatching center's whole information shares, and remote medical consultation with specialists path efficiently is provided, shorten rescue before setup time, improve the treatment success ratio, until the life of saving the patient.
5, the present invention utilizes minimum cost, and the most reliable system architecture is organic, mutual molten and within each system of platform with multiple technologies, embodies safe, practical, reliable, transparent technical characterstic.
Description of drawings
Fig. 1 is the system works schematic diagram of first aid transhipment infosystem among the present invention.
Fig. 2 is that data transmission of the present invention starts wait dialing thread processing flow chart.
Fig. 3 is that onset site first aid information of the present invention system realizes processing flow chart.
Fig. 4 is that first aid transhipment infosystem of the present invention realizes processing flow chart.
Fig. 5 is that the first aid in hospital infosystem realizes processing flow chart before the institute of the present invention.
Fig. 6 is that first aid schedule information of the present invention system realizes processing flow chart.
Fig. 7 is system works flow process figure of the present invention
Fig. 8 is an one-chip computer intelligent communication control system composition diagram of the present invention.
Fig. 9 is a system principle diagram of the present invention.
Embodiment
The present invention is based upon on the wide area Internet platform, referring to Fig. 1.Access point is set up data processing centre's server in any internet, set up first aid scheduling information management system workstation in the first aid dispatching center, each subsystem work station of first aid in hospital information management system before the hospital that respectively sees and treat patients sets up institute, on all ambulances, set up and move transhipment monitoring information management workstation, at the on-the-spot hand-held pda system of community medicine site configuration.Utilize wireless mode to insert the internet via GPRS and CDMA between each workstation, establishment special software system finishes mutual the transmission and instant messaging of multiple spot of rescue information.As shown in Figure 9.Workflow is as follows:
The information acquisition of patient's onset site is finished via hand-held PDA equipment, wherein contains classification state of an illness selective type snap information typing management software system and internet and inserts hardware components (PDA).Equipment is carried by the community medical service doctor who reaches the spot, and system software and hardware are integrated in the PDA equipment, and start clicks or sufferer content and essential information that handwriting mode input needs, click send after, complete operation.Information typing management software system process flow diagram is referring to Fig. 3.
The round-the-clock start of the computing machine of first aid scheduling information management system (ups power protection).Workflow is, computing machine receives patient's sufferer basic document that the on-the-spot doctor in back utilizes hand-held PDA to send of falling ill by the internet, after comprising information such as morbidity address, patient's identification card number, tentative diagnosis, patient main suit, disease (wound) feelings, with optical scintillation, literal, audible alarm, prompting has the patient that acute disease takes place, and shows the whole patient's onset site information that receive simultaneously.The dispatcher confirms position and nearest idle ambulance according to electronic chart and gps system, utilize caller system indication ambulance to start the first aid flow process, simultaneously, utilize patient's identification card number, search patient's historical medical record (have or do not have), according to this ill state of an illness of patient, by selecting the highest hospital of priority level as treatment hospital in the screening tabulation of diagnosis and treatment hospital, utilize Traffic Administration Bureau's website real-time road condition information as a reference, select the best travel route of ambulance, above-mentioned information is bound in the mobile computer that is published on the ambulance of carrying out the first aid task by the internet and is shown.Above-mentioned information synchronization sends to (sound, light are reported to the police) on the computing machine of the selected hospital emergency department first aid information ADMINISTRATION SUBSYSTEM of seeing and treating patients.Utilize the instant contact of medical worker on instant messaging management maintenance and the ambulance subsequently, show the ambulance physical location, the wait patient gets on the bus and accepts patient's vital signs information, the in detail basic state of an illness, conditions of patients scoring assessment and mobile treatment information, demonstration and real-time distributed storing in the local vector.Keep simultaneously and the instant contact of the hospital that sees and treat patients, obtain the complete information of whole first aid overall process.The module of first aid scheduling information management system is formed referring to Fig. 6.
The round-the-clock start of emergency department's first aid information supervisory computer (ups power protection) of first aid in hospital information management system before the institute.Workflow is, computing machine receives needs that the first aid scheduling information management system sends by the internet and sees and treat patients after patient's the instruction, via sound, light alert notice medical worker, all medical informations that show this morbidity of patient simultaneously, the medical worker accepts or excludes the patient in conjunction with the actual ability of seeing and treating patients of hospital, if confirm to accept, send confirmation to the dispatching center, and keep getting in touch immediately by Instant Messenger (IM) software with ambulance, dispatching center.Confirm the ambulance position and be about to arrive general time of hospital by gps system, wait for and accept the patient and get on the bus after all first aid informations, start long-range first-aid guide subsequently and rescue and prepare flow process.Utilize patient's identification card number, search patient's historical medical record (have or do not have), send consultation of doctors request via the internet to each relevant section office that rescue, all treatment information and state of an illness assessment, risk assessment, blood that each relevant section office utilizes first aid information ADMINISTRATION SUBSYSTEM separately to share synchronously in patient's moving first-aid process are prepared.Simultaneously, keep getting in touch at any time by Instant Messenger (IM) software and each side and and guide that the doctor implements first aid on the ambulance, after the consultation of doctors was reached a conclusion, relevant section office began synchronously to rescue and check and prepare (see figure 7).The patient is printed moving first-aid information record after arriving hospital immediately, and sign has been finished the flow process of moving first-aid.Automatically notice dispatching center ambulance is vacant.The patient finishes handing-over.See and treat patients hospital by being scheduled to rescue the specific section office that step is directly sent to the patient treatment, begin to rescue, the treatment information synchronization is back in the first aid scheduling information management system of dispatching center, and extremely rescue finishes, and obtains diagnostic result accurately, finishes whole first aid process.File and termination first aid flow process (as shown in Figure 5).
The car instruction back that goes out that vehicle-mounted mobile transhipment monitoring information management system is received the dispatching center at ambulance starts.Receive the basic state of an illness and the out of Memory of on-the-spot patient's morbidity simultaneously.Accept the historical electronic medical record of patient (if having), accept traffic information, the instant messaging contact of maintenance simultaneously and dispatching center, the hospital that sees and treat patients.After reaching the spot, start the mobile monitoring management flow, patient's all medical informations in transport process are sent to the dispatching center and the hospital that sees and treat patients synchronously in real time, system works flow process figure as described in Figure 4.
Hardware of the present invention is formed and is comprised six unit.First module is the monitoring collecting device.Unit second is an one-chip computer intelligent communication control section.Unit the 3rd is information integration workstation (a mobile monitoring information management system).Unit the 4th is the computing machine (scheduling and front courtyard internal information system of institute) of fixed-site.Unit the 5th is on-the-spot hand-held PDA.Unit the 6th is the centre data server system.Move transhipment monitoring information management system and comprised monitoring collecting device, one-chip computer intelligent communication control circuit and information integration workstation.The monitoring collecting device has comprised monitoring module, calculating control circuit, and one-chip computer intelligent communication control section comprises that computer data treatment circuit, communication state input circuit, dynamic data connect parts such as road buffer circuit, wireless internet network Access Control circuit, power circuit.Annexation between the each several part is as follows:
By patient's electrocardio on one's body, brain, blood pressure, receptors such as blood oxygen probe, conversion patient's corresponding vital sign parameter signals is an electric signal, this signal is sent into electrocardio, brain, blood pressure, blood oxygen, breathe, body temperature, myoelectricity, the filtering of monitoring such as vascular pulsation circuit, noise control, amplify the importation, computing separately through corresponding monitoring module (adopting the multifunctional assembled patient monitor of HXD_I of existing Hua Xiang company production and sales), after the processing, via the RS232 communication port and the simulating signal delivery outlet of module, send into the mould of one-chip computer intelligent communication control section respectively again, in number conversion circuit and the RS232 interface circuit.After one-chip computer intelligent communication control section obtains digitized above-mentioned vital sign data, send into the data processing memory 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: internet Access Control circuit part (France produce GTM) 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 the data stream that one-chip computer intelligent communication control section 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 the basic state of an illness, rescue, treatment step and the medication of Message Entry Device and PDA handheld device with wireless or wired mode typing patient, 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 display device more respectively and show.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.
One-chip computer intelligent communication control assembly includes the one-chip computer circuit, the rs232 communication interface, the Communication Control input interface that walks abreast, dynamic data connects the road buffer circuit, the wireless networking Access Control circuit (France produces GTM) that changes, send into one-chip computer by patient's vital sign information that vital sign acquisition module (HXD_I) is gathered by the rs232 interface, computing machine obtains communication state information (communicating interrupt and line be busy) according to the parallel input interface of Communication Control, determination data is formed form, encrypt, the secondary index of signal calculated, and with analog waveform data and independent digit Value Data mixing generation data stream in the patient's vital signs information that collects, Wave data is meant various continuous curve Wave datas, comprise cardiogram, electroencephalogram, vascular pulsation figure, refer to volume ripple figure or the like, the independent digit Value Data is meant the isolated data of monitoring, as: pressure value, heart rate value, blood oxygen levels or the like.Two kinds of data mixing are arranged, with the discrete principle of digitizing generate continue, data stream encrypted, the additional timing function attribute of independent digit Value Data simultaneously is as the Time Triggered information of central station.The data stream that generates stores in the dynamic data link buffer circuit, simultaneously, in buffer circuit, obtain data, send into wireless Internet communication place in circuit and send with the first-in first-out principle, and synchronized transmission shows vital sign waveform and numerical information to the mobile computer, finishes the patient monitor function.Above-mentioned a kind of emergency medical rescue wireless mobile information management method receives sufferer information, treatment information and demonstration, storage, review in first aid scene and the transport process in real time; Generate first aid record document in information-based mode, and printout; Has instant messaging, change of illness state assessment trend analysis, GPS location, digital information performances such as patient's reception notification is reported to the police, the monitoring switching of many emergency tenders.
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.Mobile computer utilizes mobile doctor's advice maker to generate and moves treatment doctor's advice list, with reference to the First aid procedures that first aid expert consulting software retrieval goes out, determine the emergency rescue measure.Utilize vital sign to assess the PD situation that scoring software calculates the patient in real time, and the generation trend map is sent back to.
Patient's vital sign parameter signals is partly gathered in the monitoring of vehicle-mounted mobile transhipment monitoring information management system of the present invention, 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 (adopting the monitoring module of HXD_I patient monitor).
The monitoring module of mobile monitoring information management system adopts the multifunction combined custodial care facility of magnificent Xiang (HXD_I) with registration sales permission in the system platform.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 information exchange requirement data encryption of platform 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 via server, sends data.Block diagram such as Fig. 9 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 platform is incorporated into and adopts unified common data exchanged form on the basis, internet.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
Transmission of the data of each system and state acceptance, order acceptance are the basic assurances of platform practicability in the platform.It also is one of the key link that can use safely of platform.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 (as shown in Figure 2).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 dynamic queue management of each receiving system workstation software and the application of data presentation antialiasing in the platform are the basic assurances that this invention can practicality.
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, dialing thread treatment scheme is waited in workstation startup in the monitoring information management system, and the network insertion state identification circuit is regularly attempted network and 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)
The critical data of m1 for transmitting, 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 each system in the platform adopts public network and wireless mode, the transmission of necessary enciphered data.The data transmission of platform 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 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
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.
Informationization technology in the method 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 of Platform Implementation.This invention has demonstrated fully unique charm integrated and the different field technological incorporation.Consider the characteristic of platform 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 method.
The monitoring data that collect of monitoring processing section that the transhipment infosystem is moved in first aid in the method are sent to the one-chip computer intelligent communication control section and the information integration workstation of system, and log-on data receives and shows two message of storage.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 4.
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.
Utilize patient monitor and mobile computer, wireless Internet communication access and one-chip computer intelligent communication control assembly software and hardware integration design composition as shown in Figure 8.
Claims (9)
1, a kind of emergency medical rescue wireless mobile information management method, it is characterized in that: utilize wireless Internet as the message exchange media, adopt unified common data switching plane, utilize module programming, the data integration that the multiple hardwares platform is formed forms the information-based framework of Wide Area Network and the pattern of medical rescue zone monitoring emergency information management in unified Windows operation interface; Wherein, effective patient data that first aid in hospital information management system, first aid scheduling information management system generate down before onset site first aid information management system, vehicle-mounted transhipment monitoring information management system, the institute is transmitted in real time between above-mentioned each system, exchanges, is shared by wireless internt internet platform; The information acquisition of vehicle-mounted transhipment monitoring information management system and field first aid information management system partly sends the identification mode of data; On the basis that the area medical information network system is built up, when if the patient had the experience of seeking medical advice and had formed historical healthy electronic medical record, can be real-time transmitted to emergency tender idling fortune infosystem by the internt internet platform, first aid in hospital infosystem before the institute, on the display unit of first aid schedule information system, and the medical information that the first aid process is taken place sends back the area medical information system, realize the integrated pattern of message exchange between each infosystem and the area medical information system, can the Real Time Observation associated patient on respectively being seen and treated patients in the system works station of hospital and dispatching center in first aid taking place and all health medical treatment information of generation in the past.
2, a kind of emergency medical rescue wireless mobile information management method as claimed in claim 1 is characterized in that: utilize hand-held PDA input patient's the basic state of an illness and main suit, and the quick input interface of casualties information in colony's nocuity incident is provided; Entry information is sent into internet platform in real time, realizes sharing.
3, a kind of emergency medical rescue wireless mobile information management method as claimed in claim 1, it is characterized in that: utilize patient monitor and mobile computer, comprise the one-chip computer intelligent communication control assembly of wireless Internet communication place in circuit, form the wireless mobile monitoring information management of digital information way to manage and biography mode in real time.
4, a kind of emergency medical rescue wireless mobile information management method as claimed in claim 1, it is characterized in that: be distributed in that any computing machine in the wide scope on the internt internet can be used as first-aid centre despatching work station and the institute of the hospital that sees and treat patients before the first aid in hospital workstation use, can receive sufferer information, the treatment information in the on-the-spot and transport process of first aid in real time and show, storage, review; Generate first aid record document in information-based mode, and printout.
5, a kind of emergency medical rescue wireless mobile information management method as claimed in claim 1, it is characterized in that: be distributed in that any computing machine in the wide scope on the internt internet can be used as first-aid centre despatching work station and the institute of the hospital that sees and treat patients before the first aid in hospital workstation use, can receive sufferer vital signs information (waveform and numerical value), the basic personal information of patient, the treatment procedural information in the on-the-spot and transport process of first aid in real time and show, storage, review; Management ambulance state and patient transport state, generate the record document automatically; Monitoring Wave data and independent digit Value Data mixed structure utilize the independent digit Value Data as time mark, flow time synchronized at the Data Receiving website according to this machine time specified data.
6, a kind of emergency medical rescue wireless mobile information management method as claimed in claim 1, it is characterized in that method for interchanging data is, the processing of data is to finish in different control modules respectively with the Distribution calculation tupe, each system is the vital sign and the emergency treatment information that collect of pre-service to greatest extent, and data necessary enters the internet platform transmission and shares; Each ambulance sufferer information is transmitted synchronously via data center server and is stored in server, and shared data is accepted simultaneously at all receiving stations just at work, demonstration, distributed store.One-chip computer intelligent communication control section is handled the vital sign parameter signals data that patient monitor is gathered in the mobile monitoring instrument.Realize the pre-service of exchanges data.The exchange of data has comprised the transmission exchange of Word message transmission exchange and vital sign information.Exchange has comprised the feature that numerical value is encrypted and transmission is compressed.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 flows window=wavelet (m1+m2+m3+m4+addr+asyn+data1+data2)
M1, m2, m3, m4 are the data that module transmits, and 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, and the event handling flow process of the quick-witted energy of one-chip computer communication control unit enters 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.
7, a kind of emergency medical rescue wireless mobile information management method as claimed in claim 6 is characterized in that: in method for interchanging data, 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, just the different pieces of information unitized construction under normal communication state and the communication abnormality state.The prioritised transmission function of important Wave data behind the support communication delay.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，d
ata_channel4)+data_srypt
The Change transformation factor, the data_channel data channel.
8, a kind of emergency medical rescue wireless mobile information platform is characterized in that it comprises: the first module that the hand-held PDA equipment of patient's onset site is formed; Be arranged at Unit second that the mobile monitoring information management system in the ambulance is formed; Be arranged on Unit the 3rd of the first aid scheduling information management system composition of first aid dispatching center; Be arranged on Unit the 4th of the preceding first aid in hospital information management system composition of institute of the hospital that respectively sees and treat patients; The centre data that is arranged on any website of internet platform is handled Unit the 5th that storage server is formed; Described first aid scheduling information management system mainly is made up of computing machine, large screen display, sound equipment, microphone, internet access device, ups power; Computing machine wherein by the institute of internet and on-the-spot hand-held PDA, the patient monitor of carrying out the mobile monitoring information management system on the ambulance of first aid task, mobile computer, the selected hospital that sees and treat patients before the computer realization communication of first aid in hospital information management system be connected; The first aid in hospital information management system is made up of some computing machines, large screen display, sound equipment, microphone, internet access device, ups power, the network printer before the described institute; Described mobile monitoring information management system has three part hardware: the monitoring acquisition module, and one-chip computer intelligent communication control assembly and information integration workstation are mobile workstation; The monitoring acquisition module comprises receptor probe that the corresponding vital sign parameter signals of change patient is an electric signal, be the rs232 communication interface with pop one's head in computing monitoring module, the computing monitoring module output terminal of the corresponding vital sign parameter signals of the processing of output terminal connection of receptor, be connected with one-chip computer intelligent communication control assembly.One-chip computer intelligent communication control assembly comprises the data encryption of gathering, compression, the one-chip computer data processing circuit that small echo calculates, the dynamic data that is connected with the data processing circuit output terminal is connected the road buffer circuit, connects the wireless internet network Access Control circuit (France produces GTM) that road buffer circuit output terminal is connected with dynamic data, with the rs232 interface of mobile message integrated station communication; 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 one-chip computer intelligent communication control assembly by the data stream that the rs232 interface sends, and send to show monitoring waveform and numerical value on the display device; Mobile computer receives 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 to be sent; The video image acquisition at scene is connected with mobile computer to the camera in the system, uploads in the host computer by mobile 3G technology and show.
9, a kind of emergency medical rescue wireless mobile information platform as claimed in claim 8, it is characterized in that: sensor probe partly comprises in the described mobile monitoring information management system: the harvester of vital sign parameter signals such as brain wave patterns, ecg wave form, non-invasive blood pressure, blood oxygen saturation, body temperature, breathing, frontalis electricity, tip perfusion index, vascular pulsation ripple.
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