CN103138886B - Pre-hospital emergency end, pre-hospital emergency system and data transmission method of pre-hospital emergency end - Google Patents
Pre-hospital emergency end, pre-hospital emergency system and data transmission method of pre-hospital emergency end Download PDFInfo
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Abstract
The invention discloses a pre-hospital data transmission method, a pre-hospital emergency system and the pre-hospital emergency end. A data transmission method of the pre-hospital emergency end comprises the following steps: a control module of a medical device dividing required data which needs to transmit into different priority levels; adding the data of the same priority level to a corresponding transmission queue of the priority level; the control module transmitting the data of the transmission queue to a communication device according to transmission time intervals corresponding to the priority level of the transmission queue, the transmission time interval of the transmission queue with high priority level is less than the transmission time interval of the transmission queue with low priority level, and the transmission time intervals of all transmission queues are fixed and adjustable; and the communication device sending received data bags to a receiving end through wired or wireless network. The pre-hospital emergency end, the pre-hospital emergency system and the data transmission method of the pre-hospital emergency end reduce network congestion probability of the important transmission data, and improve real time capability and reliability of important medical data transmission.
Description
Technical field
The present invention relates to first-aid system and its data transfer before a kind of data transmission method, more particularly to medical system intermediate court
Method.
Background technology
It is that, to needing the patient of first aid to be guarded as early as possible and given treatment to, some pre hospital care systems (or system before institute) are carried
Go out, these pre hospital care systems generally include pre hospital care end and hospital end (or institute is inner), and pre hospital care end is arranged on first aid
Che Shang, generally includes some equipment with monitoring and function of emergency treatment, with facilitating patient is guarded as early as possible, obtains reflection disease
The physiological parameter of people's vital sign, and necessary treatment is diagnosed and is provided to the state of patient according to physiological parameter, and
The data that pre hospital care system is obtained also have very big reference role to carrying out first aid scheme in institute, therefore pre hospital care is anxious
Rescue an important step in medical procedure, it is non-during rescue that the monitoring of pre hospital care and diagnostic data are that patient entirely treats
Often important data file.During in order to ensure pre hospital care and follow-up first aid in hospital rescue quality, as early as possible by first aid end
In real time patient data is transferred to institute in so that expert provides patient diagnosis and guidance in institute, and is formulated in advance for diagnosis and treatment in institute and controlled
Treatment scheme gets the quality time, has become the inexorable trend in pre hospital care systems development process.
But the data that the first aid end by pre hospital care system rare at present obtains are transferred in time in institute.Because first aid end is obtained
The data for taking can include various vital sign datas, various reports and the treatment data of patient, or even can also include scene
Audio, video data and emergency tender gps data, due to belonging to real-time Wave data or view data, base these data more
In current Virtual network operator the fixed-bandwidth of user, the data at first aid end are distributed to due to making data volume including audio, video data
In the case of increasing, under the conditions of this constant transmissions, the data at first aid end are easy to run into networking number when being transferred in institute
According to the problem of blocking, data cannot be reached in institute in time, or even are lost, wherein for the emergency medical with important value
The problems such as judgement information occurs bust thiss, cannot transmit in time, medical Wave data transmission is blocked, and frequently occurs networking
The phenomenon that interruption, waveform pause or lose, cannot realize that real-time waveform shows in institute.
The content of the invention
The present invention provides data transmission method and pre hospital care system, pre hospital care end before a kind of institute, reduces important transmission
The network congestion probability of data, improves the real-time and stability of important medical data transmission.
According to the first aspect of the invention, there is provided data transmission method before a kind of institute, including pre hospital care end data transmission
Step, the pre hospital care end data transmitting step includes：
The data of the needs transmission for obtaining are divided into different priority by the control module of armarium according to pre-defined rule
Not；
The other data of same priority are added to into transmission queue corresponding with the priority level；
Control module sends out the data transmitted in queue according to transmission strategy corresponding with the priority level of the transmission queue
Give communication apparatus；
The data for receiving are sent to receiving terminal by communication apparatus by wired or wireless network.
According to the second aspect of the invention, there is provided a kind of pre hospital care system, including pre hospital care end, the pre hospital care
End includes：
Functional module, for obtaining the vital sign parameter of patient；
Communication apparatus, for by with regard to the transmission data of patient by wired or wireless network transmission to receiving terminal；
Control module, for the vital sign parameter that receiving module is obtained, after processing vital sign parameter
The transmission data with regard to patient is obtained, the control module is configured to recognize the priority level of each data according to pre-defined rule,
And the other data of same priority are added to into transmission queue corresponding with the priority level, according to corresponding with each transmission queue
Transmission strategy is by the data is activation in transmission queue to communication apparatus.
According to the third aspect of the invention we, there is provided a kind of pre hospital care end, including：
Functional module, for obtaining the vital sign parameter of patient；
Communication apparatus, for by with regard to the transmission data of patient by wired or wireless network transmission to receiving terminal；
Control module, for the vital sign parameter that receiving module is obtained, after processing vital sign parameter
The transmission data with regard to patient is obtained, the control module includes：
Queue assignment unit is for recognizing the priority level of each data according to pre-defined rule and same priority is other
Data are added to transmission queue corresponding with the priority level；
Transmission unit, for giving logical by the data is activation in transmission queue according to transmission strategy corresponding with each transmission queue
News equipment.
Description of the drawings
Fig. 1 is the system structure diagram at pre hospital care end in an embodiment of the present invention；
Fig. 2 is the structural representation of the processor in an embodiment of the present invention；
Fig. 3 is the flow chart of transmission data in an embodiment of the present invention；
Fig. 4 is the structural representation of the processor in another kind embodiment of the invention；
Fig. 5 is the flow chart of transmission data in another kind embodiment of the invention；
Fig. 6 is the flow chart of receiving terminal receiving data in an embodiment of the present invention.
Specific embodiment
Accompanying drawing is combined below by specific embodiment to be described in further detail the present invention.
In the embodiment of the present application, the data of collection are divided into different by pre hospital care end according to significance level and real-time
Priority level, and it is added to transmission queue corresponding with the priority level, the queue of different priorities has different transmission plans
Slightly, priority level is higher, and the protection (Internet resources of such as real-time or acquisition) of its data transfer is better, and priority level is got over
Low, the protection of its data transfer is poorer, so as to increase the transmission quantity of the high data of priority level, reduces the low number of priority level
According to transmission quantity, limited Internet resources are more distributed to into the high data of priority level, improve high priority data and pass
Defeated real-time and stability.
In a particular embodiment, it is that different priority levels transmit the different Transmission Time Interval of queue assignment, priority
The Transmission Time Interval of the Transmission Time Interval of the not high queue queue low less than priority level, between the transmission time of individual queue
It is divided into and fixes or adjustable, the transmission strategy is for control module by the data transmitted in queue according to corresponding with the transmission queue
Transmission Time Interval is sent to communication apparatus；Or data are divided into into different priority levels according to real-time and importance, it is described
Transmission strategy is, to retransmitting after important data demand bust thiss, only to transmission success, unessential data demand to be transmitted
Retransmit after failure, it is still unsuccessful after set point number is retransmitted, then stop transmission；Or be set to the data in the first specified queue
Sample rate is adjustable, the data in the second specified queue is set to into video resolution and/or frame rate is adjustable, the transmission strategy
It is that the sample rate of the data in the first specified queue is converted according to predetermined condition, or converts regarding for the data in the second specified queue
Frequency division resolution and/or frame rate.
Fig. 1 is refer to, system pre hospital care system structure diagram is referring to Fig. 1, including pre hospital care end 100 and central authorities' control
System processed 200, pre hospital care end 100 includes armarium 10, communication equipment 20 and picture pick-up device 30 etc..
Armarium 10 refers to all kinds of Pre-hospital emergency equipment, including but not limited to monitor, defibrillation monitor, electrocardiogram
Machine, respirator, its internal composition includes but is not limited to control system, memory module, functional module, output module, wireless telecommunications
Module (being integrated into armarium inside or independent hardware support module) and power management etc..
Communication equipment 20 refers to data transmitting/receiving equipment, and it may be installed rescue in-car and other first aid occasions.
Picture pick-up device 30 refers to the equipment that can obtain sound, video data.
Pre hospital care end data by sources can be divided three classes, and be described as follows：
1. vital sign, treatment data
Including but not limited to：Reflection patient vital signs (ECG SPO2 NIBP IBP TEMP CO2 etc.) parameter value,
Any operation, treatment event that electrocardio report, trend, event, and emergency staffs were implemented to patient etc. are led in waveform, 12；Also
The network task instruction for receiving can be included, refer mainly to be sent in institute instructs event.
2. machine data
The including but not limited to warning message of armarium, use information, software and hardware status information, system configuration information；
Can also include being received in assignment instructions, system configuration, systems soft ware of network etc.；Other equipment can also adopt including GPS etc.
The data of collection.
3. audio, video data
Including pre hospital care equipment and the audio/video information of the first-class equipment collection of attached shooting.
Central control system 200 can be the terminal units such as a server, or notebook computer, PDA.Central authorities
Control system 200 can include one or more data service systems.Data service system can also be comprising one or more management
System or software supporting that personnel are analyzed to Various types of data in Hospital, manage and control.
Pre hospital care end need will obtain medical data (including collection reflection vital sign patient physiological parameter,
Medical report, treatment data, event and machine data etc.) and/or patient field data (including audio, video data, emergency tender
Gps data and word description etc.) at least part of data central control system 200 is sent to by wirelessly or non-wirelessly network.
Central control system 200 includes one or more data servers.Data server can also include one or more management systems
Or software supporting that personnel are analyzed to Various types of data in Hospital, manage and control.
In one embodiment, Fig. 1 is refer to, armarium 10 includes functional module 11 and control module 14.Medical treatment sets
Standby 10 also include memory module 12 and input-output apparatus 13.Functional module 11 is used to obtain the vital sign parameter of patient, work(
The data of acquisition are obtained the data of the needs upload of patient Jing after control module 14 is processed and storage mould is stored in for energy module 11
In block 12.Control module 14 obtains data from functional module 11 and/or memory module 12, and communication can be sent to after being processed
Data are sent to long-range receiving terminal by equipment 20, communication apparatus 20 by wired or wireless network again, for example central authorities' control system
System 200.
In one embodiment, armarium 10 also includes wireless communication module 15, and control module 14 will need to be sent to
The data of long-range receiving terminal send communication apparatus 20 to by wireless communication module 15, and communication apparatus 20 is again by the data for receiving
Bag is sent to long-range receiving terminal by wired or wireless network.
In one embodiment, the control module 14 is additionally configured to recognize the priority of each data according to pre-defined rule
Not, for example the priority level of each data is distributed according to Data Source or data class, or it is real-time according to data importance or data
Property each data of distribution priority level, then control module 14 the other data of same priority are added to and the priority level pair
The transmission queue answered, control module 14 sends out the data packing in transmission queue according to transmission strategy corresponding with each transmission queue
Communication apparatus 20 is given, communication apparatus 20 will be received by wired or wireless network transmission with regard to the transmission data of patient to long-range
End (such as the central control system 200 in institute).
In a kind of instantiation, as shown in Fig. 2 control module 14 includes queue assignment unit 141 and transmission unit
142, queue assignment unit 141 is used to obtain data from functional module 11 and/or memory module 12, according to Data Source, number
The priority level of each data is recognized according to the real-time of type, data importance or data, and the other data of same priority are added
It is added to transmission queue 143 corresponding with the priority level.Transmission unit 142 is used for inquiry and prestores in the storage module 12
Transmission strategy and the corresponding table 121 of priority level, strategy is transmitted by the number in transmission queue according to corresponding with each transmission queue
According to being sent to communication apparatus 20.
Based on the structure of this specific embodiment, when carrying out data transmission, its flow process is as shown in figure 3, comprise the following steps：
Step S11, the control module of armarium obtains in real time the data for needing to upload, by the number of the needs transmission for obtaining
It is divided into different priority levels according to according to pre-defined rule.Priority level has multiple, for pre hospital care system, transmission data
4 grades can be divided into, i.e., it is important to need real-time Transmission, important be not required to real-time Transmission, inessential need real-time Transmission and inessential be not required in real time
The data of transmission, such as it is important to need the data of real-time Transmission to include electrocardio real-time waveform data, breathing real-time waveform data GPS numbers
At least one of according to, the important data for being not required to real-time Transmission include ecg analysis report, case history, audio, video data and treatment number
At least one of according to, it is inessential to need the data of real-time Transmission to include in blood oxygen Wave data, blood pressure data and temperature data
At least one, the inessential data for being not required to real-time Transmission are including machine parameter etc..Its priority level sequence is reduced successively, is：Weight
Needing important data ＞ for being not required to real-time Transmission of data ＞ of real-time Transmission inessential needs data ＞ of real-time Transmission inessential not
Need the data of real-time Transmission.
Step S12, by the other data packing of same priority transmission queue corresponding with the priority level is added to；It is i.e. same
The data arrangement of one priority level is a queue, and the queue also has and the equal priority level of data therein.
Data in transmission queue, when needing to send data, are carried out by step S13 according to each self-corresponding transmission strategy
Read and be sent to communication apparatus.Transmission strategy can be set to different strategies according to practical situation, or while be suitable for various
Transmission strategy.In the present embodiment, it is the different Transmission Time Interval of different priority level transmission queue assignments, that is, when transmitting
Between be spaced and set based on priority level, the biography of the Transmission Time Interval of the high queue of the priority level queue low less than priority level
Defeated time interval, for example, is pre-created the corresponding table of Transmission Time Interval and priority level, and priority level is higher, transmission time
Interval is less, and priority level highest is set as real-time Transmission, the Transmission Time Interval of each priority level can be it is fixed,
Can be adjustable.In correspondence table, no matter the Transmission Time Interval of each priority level is fixed or adjustable, and clock keeps excellent
The Transmission Time Interval of the Transmission Time Interval of the high queue of the first rank queue low less than priority level.Control module is by reading
Take correspondence table and obtain the Transmission Time Interval of individual queue, and fetch data from individual queue according to time interval, and by data is activation
To communication apparatus.
The packet for receiving is sent to receiving terminal by step S14, communication apparatus by wired or wireless network.
In improved embodiment, the communication apparatus 20 receives the response message returned by receiving terminal, and response is believed
Breath returns to control module 14, in a kind of instantiation, as shown in figure 4, the control module 14 is also included at response message
Reason unit 144, the communication apparatus 20 receives the response message returned by receiving terminal, and response message is returned to into control module
Response message processing unit 144, the response message processing unit 144 judges whether to be received in setting time response letter
Breath, if not receiving response message in setting time, controlling transmission unit is according to priority level from low to high suitable
Data in ordered pair transmission queue stop sending.Transmission queue is stopped the packet wherein cached after transmission and continues to cache or quilt
Abandon.
Medical Wave data transmission is blocked, and frequently occurs the phenomenon that networking is interrupted, waveform pauses or loses, in transmission sound
Massive band width is taken when video information, the defects such as the transmission of other important medical informations are affected, the present embodiment will be different
Data distribute priority level according to pre-defined rule, (for example congestion, network signal occur not in network in the case where network is bad
It is good or in the case that bandwidth is not enough), be the almost real-time and reliability for ensureing data transfer, Various types of data transmission keeps certain
The precedence relationship being previously set, such as：Vital sign, treatment data ＞ GPS location data ＞ audio, video data ＞ machines
Data, first aid end stops the transmission of the data low to priority level, so as to reduce the data volume of upload, reduces network congestion
Probability, advantageously ensure that the transmission of the high data of priority level.
In another kind of embodiment, when network transmission quality is good, can again recover the transmission of some data.Cause
This, the control module 14 is additionally configured to when the data packet acknowledgement for judging current transmission postpones less than setting time, or packet loss
Retransmission rate is less than setting thresholding, and when currently having state of the transmission queue in stopping transmitting, according to priority level from high to low
Order the queue for being stopped transmission at present is restarted according to its set Transmission Time Interval carry out data transmission.
High priority data ordering relation can be adjusted according to data significance level and concrete application scene.It is wherein preferential
Sequentially high high priority data sends, and can occupy even stop and transmit the low data of other priorities, to ensure priority
High data are smoothly transmitted.On the basis of highest priority data can smoothly transmit, then ensure time high priority
Data is activation, by that analogy.
In certain embodiments, in queue according to the property of data, the sample rate that can pass through to reduce some data or
Video resolution or frame rate upload the data volume of data to reduce, such as caching the inessential waveform number for needing real-time Transmission
According to queue, the sample rate of the inessential Wave data for needing real-time Transmission can be set to adjustable so as to can be according to predetermined condition
Transformed samples rate, for example, (such as response or the network for returning is not received by when network transmission quality is bad in setting time
Packet loss exceed given threshold) or transmission data volume exceed a certain given threshold when, reduce this kind of number that the queue is cached
According to sample rate.And for example, for the queue for caching the inessential audio, video data for being not required to real-time Transmission, reality can be not required to by inessential
When the resolution of audio, video data transmitted and/or frame rate be set to it is adjustable so as to resolution can be converted according to predetermined condition
And/or frame rate, for example, (such as response or the net for returning is not received by setting time when network transmission quality is bad
Network packet loss exceedes given threshold) or the data volume of transmission when exceeding a certain given threshold, reduce that the queue cached is this kind of
The resolution and/or frame rate of data.
Based on the structure of above-described embodiment, various transmission strategies can be simultaneously suitable in application transport strategy, below with same
Shi Shiyong different Transmission Time Intervals illustrates when carrying out data transmission that it stops data and passes with reduction sample rate or resolution
The flow process of defeated and resume data transmission, as shown in figure 5, comprising the following steps：
Step S21, reads Data Concurrent from individual queue and gives communication apparatus according to the respective Transmission Time Interval for arranging,
Receiving terminal is uploaded to by network by communication apparatus.In an instantiation, control module will transmit the packet in queue
Sent by the way of the multiple-transmission-line journey by packet piecemeal when being sent to communication apparatus, provided in terms of optimization host-host protocol
The real-time of data transfer.
Step S22, control module receives the response message returned by receiving terminal.
Step S23, judges whether to receive response message in setting time.Receiving terminal receives communication apparatus and sends number
According to the response message returned after bag with regard to receiving the packet, response message is sent to control module by communication apparatus, control
Module judges whether the reception time of the response message exceedes the threshold time of setting, if it is, execution step S24, if
The reception time of the response message is not above the threshold time for setting, then continue executing with step S21.
Step S24, order of the control module according to priority level from low to high stops sending out to the packet in transmission queue
Send, then execution step S25.Transmission queue is stopped after transmission according to circumstances to continue to cache by the packet for wherein caching and waits
Transmission next time is directly dropped.
Step S25, if having the inessential Wave data for needing real-time Transmission, control module in the queue of current transmission
The sample rate for reducing medical waveform (such as blood pressure waveform or body temperature waveform) can be controlled, if had in the queue of current transmission
The inessential audio, video data for being not required to real-time Transmission, then control module can also reduce video resolution and/or frame rate.Generally
In the case of, it is to obtain high-quality medical waveform, the comparison that the sample rate of medical waveform is all arranged is high, due to some Wave datas
It is not critically important, and doctor's key is to see the trend of medical waveform, so after appropriate reduction sample rate, can't affect
The effect of medical waveform, therefore in the present embodiment, to sacrifice the display quality of medical waveform or video image transmission number is exchanged for
According to the decline of amount, to ensure the transmission of crucial and significant data.
Step S26, control module judges whether current network transmission quality is good enough, specifically judges the number of current transmission
Be less than setting time according to bag answering delay, or packet loss retransmission rate is less than setting thresholding, if it is execution step S27, otherwise after
It is continuous to fetch data from the current queue for allowing transmission data.
Step S27, according to priority level order from high to low the queue for being stopped transmission at present is restarted according to
Its setting Transmission Time Interval carries out data transmission.
In the present embodiment, in the case where network transmission quality is good, can be according to priority level order from high to low to mesh
Before the data that are stopped in the queue of transmission restart transmission so that the relatively low data of priority level can also be transferred to reception
End, the medical worker for receiving terminal provides more medical datas and field data, is conducive to doctor to be the patient at first aid end
Go out and more accurately diagnose.
Pre hospital care system also includes receiving terminal, such as central control system, and receiving terminal is used to receive system transmission before institute
Data block, be usually located in hospital or emergency center.In one embodiment, the data block that receiving terminal sends according to first aid end
Sequence notation the data block for receiving is recombinated, it would be desirable to the data is activation of display is shown to display end.It is described
The data for showing are needed to include real-time waveform data, for real-time waveform data, receiving terminal is configured to allow to show in waveform
The data at the current time not being transferred to are abandoned and continue to show the data of subsequent time, and platform requirement behind when showing
The data at the current time not being transferred to are retransmitted up to transmission success or retransmit still unsuccessful then stopping re-transmission after set point number,
Complete data or the incomplete data of preservation are preserved in history waveform.For needs show almost real time medical in user interface
The situation of information waveform or data, the handling process of receiving terminal is as shown in fig. 6, comprise the following steps：
Step S31, behind platform receives the real-time waveform data that first aid end is transmitted to receiving terminal, and is receiving real-time waveform
Sequence notation after data according to data block sets up data queue, makes data block that chronological waveform is combined in queue
Data, after the data buffering in queue is a certain amount of, is sent collectively to the Wave data in queue display end and is shown, this
Sample can avoid the discontinuity that display end waveform shows.
Whether step S32, judge the data number of blocks lacked in queue less than given threshold.In the present embodiment, data
The length (quantity of data block i.e. in queue) of queue works as data queue based on the data block variable amounts lacked in data queue
When meeting data block quantity term (the data number of blocks lacked i.e. in queue is less than given threshold) of disappearance, execution step S33,
Otherwise continue executing with step S31.
Step S33, is sent to the real-time waveform data in data queue display end and is shown.
In receiving terminal, it is allowed to abandon and continue display by the data at the current time not being transferred to when waveform shows
The data of subsequent time, are waited for so as to avoid the waveform when the data at current time are not transferred to from showing, it is impossible to aobvious
Show the data of subsequent time, so as to cause the sense that pauses.Additionally by the quantity for limiting missing data block in queue, it is ensured that user
The seriality of interface waveform or data display.
For the transmission strategy of individual queue, because data are divided into different excellent by control module according to real-time and importance
First rank, so transmission strategy may be arranged as retransmitting after important data demand bust thiss, only to transmission success,
It is still unsuccessful after set point number is retransmitted for retransmitting after unessential data demand bust thiss, then stop transmission.For weight
The data for being not required to real-time Transmission may also require that overall re-transmission again after bust thiss, only to transmission success, for important reality be needed
When the data transmission fails transmitted after can require the packet of a bust this.
Data check information and important physical signs of patient information can be transmitted using TCP/IP modes, it is ensured that data integrity, its
His information adopts UDP modes to transmit to improve transmission speed, and the data demand lost is retransmitted according to data check information, more
Mend the defect that UDP transmission produces loss of data.
Above content is to combine specific embodiment further description made for the present invention, it is impossible to assert this
It is bright to be embodied as being confined to these explanations.For general technical staff of the technical field of the invention, do not taking off
On the premise of present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the protection of the present invention
Scope.
Claims (16)
1. data transmission method before institute, including first aid end data transmitting step and receiving terminal data processing step, it is characterised in that
First aid end data transmitting step includes：
The data of the needs transmission for obtaining are divided into different priority levels by the control module of armarium according to pre-defined rule；
The other data of same priority are added to into transmission queue corresponding with the priority level；
Control module is sent to the data transmitted in queue according to transmission strategy corresponding with the priority level of the transmission queue
Communication apparatus；
The data for receiving are sent to receiving terminal by communication apparatus by wired or wireless network；
The receiving terminal data processing step includes：
Receiving terminal receives the data block that pre hospital care system sends；
The data block for receiving is recombinated according to the sequence notation of data block；
The data is activation for needing to show is shown to display end, the data for needing to show include real-time waveform number
According to for real-time waveform data, the receiving terminal is allowed the data at the current time not being transferred to when waveform shows
The data for showing subsequent time are abandoned and continue, and the data at the current time for requiring not to be transferred on backstage are retransmitted until transmission
Success, preserves complete data in history waveform.
2. the method for claim 1, it is characterised in that for the different transmission of different priority level transmission queue assignments
Time interval, the Transmission Time Interval of the high queue of priority level is less than the Transmission Time Interval of the low queue of priority level, respectively
The Transmission Time Interval of queue be it is fixed or adjustable, the transmission strategy for control module by the data transmitted in queue according to
The corresponding Transmission Time Interval of transmission queue is sent to communication apparatus；Or data are divided into into difference according to real-time and importance
Priority level, the transmission strategy is to retransmitting after important data demand bust thiss, only to transmission success, to inessential
Data demand bust thiss after retransmit, retransmit set point number after it is still unsuccessful, then stop transmission；Or by the first specified queue
In data be set to that sample rate is adjustable, the data in the second specified queue are set to into video resolution and/or frame rate can
Adjust, the transmission strategy is that the sample rate of the data in the first specified queue is converted according to predetermined condition, or convert second and specify
The video resolution and/or frame rate of the data in queue.
3. method as claimed in claim 2, it is characterised in that when network transmission quality is less than predetermined condition or transmitted data amount
During more than setting value, regarding for the data in the sample rate of the data in the first specified queue, or the second specified queue of reduction is reduced
Frequency division resolution and/or frame rate.
4. method as claimed in claim 2, it is characterised in that the transmission data be divided into it is important need real-time Transmission, it is important not
Need real-time Transmission, it is inessential need real-time Transmission and the inessential data for being not required to real-time Transmission, the pre-defined rule is according to following
Sort Priority is not reduced successively：It is important to need the data of real-time Transmission, the important data for being not required to real-time Transmission, inessential need real-time
The data of transmission and the inessential data for being not required to real-time Transmission, priority level highest is set as real-time Transmission.
5. the method as any one of claim 1-4, it is characterised in that also include, communication apparatus is received and returned by receiving terminal
The response message for returning, and response message is returned to into control module；The control module judges whether to be received in setting time
It is right according to priority level order from low to high if not receiving response message in setting time to response message
Packet in transmission queue stops sending；Or the control module judges whether to receive priority level in setting time
The response message of highest packet, if it is not, then according to priority level order from low to high to the number in transmission queue
Stop sending according to bag.
6. method as claimed in claim 4, it is characterised in that transmission queue be stopped the packet that wherein caches after transmission after
Continuous caching is dropped.
7. method as claimed in claim 4, it is characterised in that when the control module judges the data packet acknowledgement of current transmission
Postpone to be less than setting time, or packet loss retransmission rate less than setting thresholding, and currently have shape of the transmission queue in transmission is stopped
During state, order of the control module according to priority level from high to low restarts to be set according to it to the queue for being stopped transmission at present
Determine Transmission Time Interval to be transmitted.
8. the method for claim 1, it is characterised in that control module the packet in transmission queue is sent to it is logical
Sent by the way of the multiple-transmission-line journey by packet piecemeal during news equipment.
9. the method for claim 1, it is characterised in that the receiving terminal control backstage is receiving real-time waveform data
Afterwards data queue is set up according to the sequence notation of data block, the length of data queue is based on the data block number lacked in data queue
Amount is variable, when data queue meets the data block quantity term of disappearance, the real-time waveform data in data queue is sent to
Display end is shown.
10. a kind of pre hospital care system, including first aid end and receiving terminal, it is characterised in that the first aid end includes：
Functional module, for obtaining the vital sign parameter of patient；
Communication apparatus, for by with regard to the transmission data of patient by wired or wireless network transmission to receiving terminal；
Control module, for the vital sign parameter that receiving module is obtained, obtains after processing vital sign parameter
With regard to the transmission data of patient, the control module is configured to recognize the priority level of each data according to pre-defined rule, and will
The other data of same priority are added to transmission queue corresponding with the priority level, according to transmission corresponding with each transmission queue
Strategy is by the data is activation in transmission queue to communication apparatus；
The receiving terminal is used to receive the data block that system before institute sends, according to the sequence notation of data block by the data for receiving
Block is recombinated, it would be desirable to which the data is activation of display is shown that the data for needing to show include in real time to display end
Wave data, for real-time waveform data, the receiving terminal is configured to allow not to be transferred to waveform shows when
The data at current time are abandoned and continue to show the data of subsequent time, and behind platform requires the current time not being transferred to
Data are retransmitted until still unsuccessful then stopping re-transmission after transmission success or re-transmission set point number, preserves complete in history waveform
Data preserve incomplete data.
11. pre hospital care systems as claimed in claim 10, it is characterised in that control module is different priority level transmission
The different Transmission Time Interval of queue assignment, the Transmission Time Interval of the high queue of priority level is less than the low queue of priority level
Transmission Time Interval, the Transmission Time Interval of individual queue is fixed or adjustable, and the transmission strategy will be transmitted for control module
Data in queue are sent to communication apparatus according to Transmission Time Interval corresponding with the transmission queue；Or control module is by data
Different priority levels are divided into according to real-time and importance, the transmission strategy is to after important data demand bust thiss
Retransmit, it is still unsuccessful after set point number is retransmitted to retransmitting after unessential data demand bust thiss only to transmission success,
Then stop transmission；Or the transmission strategy converts the sampling of the data in the first specified queue for control module according to predetermined condition
The video resolution and/or frame rate of the data in rate, or the second specified queue of conversion.
12. pre hospital care systems as claimed in claim 11, it is characterised in that transmission data be divided into it is important need real-time Transmission,
It is important be not required to real-time Transmission, it is inessential need real-time Transmission and the inessential data for being not required to real-time Transmission, the pre-defined rule be by
Do not reduce successively according to following Sort Priority：The important data of real-time Transmission, the important data for being not required to real-time Transmission, inessential of needing
Need the data of real-time Transmission and the inessential data for being not required to real-time Transmission.
The 13. pre hospital care systems as any one of claim 10-12, it is characterised in that the communication apparatus is received
The response message returned by receiving terminal, and response message is returned to into control module, the control module is configured to judgement is
It is no that response message is received in setting time, if not receiving response message in setting time, according to priority
Order not from low to high stops sending to the packet in transmission queue；Or the control module judges whether in setting
The interior response message for receiving priority level highest packet, if it is not, then according to priority level from low to high suitable
Packet in ordered pair transmission queue stops sending.
14. pre hospital care systems as claimed in claim 13, it is characterised in that the control module is additionally configured to when judgement
The data packet acknowledgement of current transmission postpones to be less than setting time, or packet loss retransmission rate less than setting thresholding, and currently has transmission team
During the state that row are transmitted in stopping, the queue for being stopped transmission at present is opened again according to priority level order from high to low
Begin to carry out data transmission according to its setting Transmission Time Interval.
15. pre hospital care systems as claimed in claim 10, it is characterised in that control module will transmit the data in queue
Bag is sent when being sent to communication apparatus by the way of the multiple-transmission-line journey by packet piecemeal.
16. pre hospital care systems as claimed in claim 10, it is characterised in that the receiving terminal controls its backstage and receiving
Data queue is set up according to the sequence notation of data block after real-time waveform data, the length of data queue lacks based in data queue
The data block variable amounts of mistake, when data queue meets the data block quantity term of disappearance, by the real-time ripple in data queue
Graphic data is sent to display end and is shown.
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| CN201110398572.6A CN103138886B (en) | 2011-12-05 | 2011-12-05 | Pre-hospital emergency end, pre-hospital emergency system and data transmission method of pre-hospital emergency end |
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| CN201110398572.6A CN103138886B (en) | 2011-12-05 | 2011-12-05 | Pre-hospital emergency end, pre-hospital emergency system and data transmission method of pre-hospital emergency end |
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