CN109345790A - Medical device alerts information management system - Google Patents
Medical device alerts information management system Download PDFInfo
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- CN109345790A CN109345790A CN201811293197.7A CN201811293197A CN109345790A CN 109345790 A CN109345790 A CN 109345790A CN 201811293197 A CN201811293197 A CN 201811293197A CN 109345790 A CN109345790 A CN 109345790A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/007—Details of data content structure of message packets; data protocols
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
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Abstract
The present invention relates to a kind of medical device alerts information management systems, including PC machine and multiple Medical Devices, the system further includes one or more protocol converters, each protocol converter is connect with PC machine, each protocol converter is also connected with one or more Medical Devices, it further include program module, described program module and protocol converter make the system execute following steps: (1) according to the communications protocol and data structure information of various Medical Devices, correctly being read to various medical device communication data;(2) data conversion of medical device data interface is transmitted at ICP/IP protocol data through Ethernet interface by the protocol converter of secondary development;(3) data are carried out by RJ45 data-interface and PC machine to be connected, the long distance transmission of medical device alerts data with integrate;(4) Screening analysis of warning message.The present invention realizes the alarm intelligent management in ICU hospital bed and ward, reduces the workload of medical worker, while improving to patient monitoring dynamics.
Description
Technical field
The invention belongs to the technical fields of medical device applications, are specifically related to medical device alerts information management system,
Especially it is used for the medical device alerts information management system of ICU ward management.
Background technique
Medical Devices warning note can occur because of a variety of causes in use.When alarm occurs, medical staff is uncommon
Prestige can be inferred to alarm property, urgency level, reason etc. from the sound of alarm or vision signal.But due to medical environment
Complexity, various numerous alarm signals of generation make medical staff's sense of hearing and visually confusion reigned.Medical device alerts pipe
Reason has become one of medical quality control and management sixty-four dollar question.
Intensive care unit (intensive care unit, ICU) is the key that treatment rescue patient with severe symptoms's life department,
Its interior Medical Devices quantity is various in style, clinic alarm frequency report, numerous report outstanding problem, shows clinical alarm pipe in previous research
The successful implementation of many difficulties of reason, the project can solve substantially these outstanding problems:
1. the alarm identification that can solve clinical appearance is difficult: research shows that if a people will differentiate 6 kinds or more no simultaneously
It can have difficulties with alarm signal, experienced nursing staff cannot even recognize the crucial alarm of intensive care unit half.
Therefore, in the audio and video alarm environment of intensive care unit complexity, need to have priority to identify the alarm of distinct device.
2. can effectively solve alarm fatigue: research shows that the alarm that the Medical Devices of intensive care unit every generate daily is about
600 times, many equipment design concepts are really occurred even if the alarm having, and medical staff, which need not also intervene, to be intervened, and cause medical care
Personnel trust the shortage of alarm;Meanwhile false alarm rate too it is high can lead to healthcare givers to alarm ignore and alarm fatigue
(alarm fatigue).Some medical device designers at there is " elimination " state, cause medical staff can be through alarm design
Alarm can often be closed or volume is transferred to minimum.
3. energy purification I CU working environment: frequently alarm makes ICU bad environments, and the alarm that ICU Medical Devices generate is formed
The noisy environment that one stranger can not imagine.The survey report of the medical center Boston shows that 82% ICU medical staff feels
To working environment, very noisy (this phenomenon is properly termed as iatrogenic noise " 50 decibels or more ", document report, iatrogenic noise
Having on the physical signs of people influences, and is especially easy to cause to cardiovascular patient and causes atrial fibrillation);91% medical staff says,
If they are patients, they are not desired to receive treatment under such circumstances;73% medical staff expect more about
Training in terms of Medical Devices alarm setting.
Therefore, we will reinforce the same of Medical Devices alarming and managing and strict implement Medical Devices alarm design standard
When, it is necessary to it researchs and develops a set of alarm and integrates with analysis system to optimize application and management to Medical Devices warning message,
The generation for reducing the labor intensity and related adverse events of medical staff, optimizes the working environment of ICU.
Summary of the invention
The present invention provides a kind of warning message by multiple Medical Devices and brings together and be classified after carrying out arrangement integration
The medical device alerts information management system and medical device alerts approaches to IM of alarm, at all warning message analyses
It is focused on after reason and carries out alarming and managing in PC machine, medical worker is facilitated to monitor, and can guarantee the exhaustive of hospital bed monitoring simultaneously, protected
Hinder the safety of patient.
A kind of medical device alerts information management system provided by the invention, including PC machine and multiple Medical Devices, wherein
The system further includes one or more protocol converters, and each protocol converter is connect with PC machine, and each protocol converter also connects
One or more Medical Devices are connect, further include program module, it is following that described program module and logical view converter execute the system
Step:
(1) according to the communications protocol and data structure information of various Medical Devices, to various medical device communication data into
Row is correctly read;
(2) by the protocol converter of secondary development by the data conversion of medical device data interface at ICP/IP protocol number
It is transmitted according to through Ethernet interface;
(3) data are carried out with PC machine by RJ45 data-interface to be connected, realizes the medical device alerts data of all accesses
Long distance transmission and integrated;
(4) Screening analysis of warning message: the raw alarm information of Medical Devices is acquired;Warning message is carried out intelligent
Processing;False alarm information being screened, grade identification, physiological parameter analysis, the warning message for carrying out priority level is shown, into
The acquisition of row warning message and screening analysis.
Preferably, protocol converter includes W5500S2E-S1 module.
It preferably, further include setting Medical Devices alarm bound on the basis of false alarm rate analysis in step (4).
Preferably, the screening for carrying out warning message in step (4) by calculating alarm Threat is analyzed and management, specifically
Also alarm Threat calculation method is as follows:
If set of factors is U={ U1,U2, wherein U1For confidence level of alarming, U2For danger level of alarming;
If judge integrates as V={ V1, V2... ..., Vn }, wherein from V1Indicate that n of alarm Threat from high to low are commented to Vn
Valence grade;
Alarm confidence level U1State be divided into high, medium and low three kinds, value is respectively 1,0.6,0.2, alarm danger level U2With
Existing Medical Devices alarm risk class divides unanimously, is divided into high, medium and low three kinds of states, and value is also respectively 1,0.6 and 0.2;
The calculation formula of alarm Threat V are as follows: V=U1*U2;
By above-mentioned alarm confidence level U1, alarm danger level U2Value, the Threat V=that can must alarm 1,0.6,0.36,
0.2,0.12,0.04 };Red high risk alarming and managing is included in the alarm that Threat V value of alarming is 1, by Threat V value of alarming
It is included in yellow medium risk alarming and managing for 0.6 and 0.36 alarm, the report for being 0.2,0.12 and 0.04 by Threat V value of alarming
It is alert to be included in white prompt warning message management.
Preferably, Medical Devices include ventilator, patient monitor and the infusion pump for including one or more.
On the other hand, the present invention also provides a kind of medical device alerts approaches to IM, are used for the ward ICU warning message
Management, comprising the following steps:
(1) according to the communications protocol and data structure information of various Medical Devices, to various medical device communication data into
Row is correctly read;
(2) by the protocol converter of secondary development by the data conversion of medical device data interface at ICP/IP protocol number
It is transmitted according to through Ethernet interface;
(3) data are carried out with PC machine by RJ45 data-interface to be connected, realizes the medical device alerts data of all accesses
Long distance transmission and integrated;
(4) Screening analysis of warning message: acquisition raw alarm information;Intelligent processing is carried out to warning message;To accidentally
Warning message is screened, grade identifies, physiological parameter analysis, and the warning message with priority level is shown, carries out alarm signal
Breath acquisition and screening analysis.
It is preferred that step (4) in further include false alarm rate analysis on the basis of, setting Medical Devices alarm bound.It is excellent
Choosing, the screening for carrying out warning message in step (4) by calculating alarm Threat is analyzed and management, and specifically also alarm threatens
It is as follows to spend calculation method:
If set of factors is U={ U1,U2, wherein U1For confidence level of alarming, U2For danger level of alarming;
If judge integrates as V={ V1, V2... ..., Vn }, wherein from V1Indicate that n of alarm Threat from high to low are commented to Vn
Valence grade;
Alarm confidence level U1State be divided into high, medium and low three kinds, value is respectively 1,0.6,0.2, alarm danger level U2With
Existing Medical Devices alarm risk class divides unanimously, is divided into high, medium and low three kinds of states, and value is also respectively 1,0.6 and 0.2;
The calculation formula of alarm Threat V are as follows: V=U1*U2;
By above-mentioned alarm confidence level U1, alarm danger level U2Value, the Threat V=that can must alarm 1,0.6,0.36,
0.2,0.12,0.04 };Red high risk alarming and managing is included in the alarm that Threat V value of alarming is 1, by Threat V value of alarming
It is included in yellow medium risk alarming and managing for 0.6 and 0.36 alarm, the report for being 0.2,0.12 and 0.04 by Threat V value of alarming
It is alert to be included in white prompt warning message management.
Beneficial effect
Medical device alerts information management system and medical device alerts approaches to IM of the invention, realizes disease
The alarm intelligent management in room, especially ICU hospital bed and ward, reduces the workload of medical worker, while improving to disease
The monitoring dynamics of people.
Detailed description of the invention
Fig. 1 is the transformational relation figure of RS232 data and TCP/IP data;
Fig. 2 is W5500S2E module pin figure;
Fig. 3 is power-switching circuit figure;
Fig. 4 is RS232 level shifting circuit figure;
Fig. 5 is RJ45 interface circuit figure;
Fig. 6 is the schematic diagram of system integration frame;
Fig. 7 is ventilator collecting flowchart figure.
Specific embodiment
Structure of the present invention or technical term used in these are described further below.Following detailed
In thin description, the subsidiary reference word of legend is a part here, it can be actable specific to illustrate the present invention
The mode of concrete scheme illustrates.The present invention, which is not precluded, in we can also carry out other concrete schemes and without prejudice to this hair
Change structure of the invention in the case where bright use scope.
In the present invention, Medical Devices are the common Medical Devices in ward, including ventilator, syringe pump, patient monitor and infusion
Pump etc. carries out information collection by protocol converter, and the key of the information integration of various Medical Devices is distinct interface, different logical
The information of the warning message acquisition and data format of believing agreement merges.Information collection is for various physical interfaces, such as first
RS232, RS485, RJ45 Ethernet interface, USB interface etc. are completed collecting computer and are docked with the effective of Medical Devices.For
The Medical Devices of non-RJ45 interface need to be converted to RJ45 interface using converter, then connect with exchanger and acquisition computer.
The communications protocol of equipment interface determines the mode of data contact and the format of data packet.Medical Devices acquire data
Two important documents be: (1) equipment can issue data;(2) software can correctly parse data.Equipment, which issues data, equipment master
Dynamic data and the equipment of sending just issues two class of data after receiving instruction, and wherein latter situation needs to know its communications protocol.
The communication protocol standard of Present Medical is HL7 (Health Level 7), but the network association of most of brand Medical Devices
(TCP/UDP) and communication terminal slogan are discussed still by producer's self-defining.
Therefore, medical device data communication interface type is various, and many equipment use RS232 interface, such as syringe pump, early stage
Ventilator (such as Draeger Evita4 ventilator), and then as PHILIPS MP50, Datex/OhmedaCC5 patient monitor etc.
Be using RJ45 network interface come and meanwhile export vital sign and shape information;But also have using particular interface, such as Philips
M1205A patient monitor uses dedicated round mouth data-interface, and when acquisition must be equipped with the dedicated acquisition transition card of Philips.
In one embodiment of the present of invention, by taking RS232 agreement turns ICP/IP protocol as an example: RS232 frame format is can have 1
Start bit, 8 or 9 data bit and 1 or 2 stop position.Hardware provides even-odd check, can be even parity check, odd school by user configuration
It tests or no parity.The data format that we select is 8, no parity, has 1 stop position, i.e., passes a word every time
The data of section, and data are received using interrupt mode.When carrying out protocol conversion, RS232 data are received by interrupting, by the number
It is received in caching according to RS232 is saved in, by inquiring flag bit, acquisition needs to be converted to ICP/IP protocol data, i.e., by the number
It sends in caching according to TCP/IP is copied to, is polled in main program, when TCP/IP, which is sent, has data in caching, that is, sent
The data increase each layer of head and tail when data are by transport layer in ICP/IP protocol stack, network layer in each layer
Information is controlled, which is converted to ICP/IP protocol data, sends by Ethernet, and RS232 data are reported in TCP/IP
Encapsulation in text is as shown in Figure 1.When TCP/IP data need to switch to RS232 data, remove ICP/IP protocol in transport layer,
The control information end to end of network layer copies initial data to RS232 and sends in buffer area, sent.
The protocol converter of this system is mainly the agreement turn that secondary development is carried out on the basis of W5500S2E-S1 module
Parallel operation, it is therefore an objective to make to be upgraded to Ethernet interface from serial ports using the Medical Devices of RS-232 data-interface.
W5500S2E-S1 module has upper and lower two parts, and totally three socket needles are as user's hardware interface, and wherein J1 is 1x7 single
2.54mm contact pin, J2 are the double 2.54mm contact pins of 2x7.Fig. 2 is the pin distribution map of W5500S2E-S1 module.
Meanwhile present invention is alternatively directed to W5500S2E-S1 module secondary development interface board, interface boards mainly to complete following function
Can:
1, supply voltage 5v turns 3.3v, and 5v voltage is drawn out of every Medical Devices, produces through RT9013-3.3 power module
Raw 3.3v powers to entire protocol converter, and circuit diagram is shown in Fig. 3;
2, using SP3232 integrated package RS232 interface level conversion, circuit diagram is shown in Fig. 4;
3, without the RJ45 interface of network transformer, see Fig. 5.
The present invention is in the system integration, and using point-to-point integration mode, this method is easy to use, realization is high-efficient, together
When can be realized in any level of integrated model, Fig. 6 is the schematic diagram of this system integrated framework, specifically, for non-
The Medical Devices of RJ45 interface are converted to the Ethernet RJ45 interface of ICP/IP protocol using the protocol converter of secondary development, right
The medical device data interface of each hospital bed collects on an interchanger, is then connected to host computer;Host computer has journey
Sequence module or software, by display alarm information in program module or software set, through the alarm screening software based on Threat point
After false alarm is rejected in analysis, relevant information is notified into physician by nurse on duty, or notifies supervisor by way of GPRS short message
Doctor.
For the Medical Devices of RJ45 interface, the medical device data interface of each hospital bed is converged by RJ45 data-interface
Collection is then connected to host computer on an interchanger;Host computer has program module or software, by program module or soft
Part centralized displaying warning message, after false alarm is rejected in the alarm screening software analysis based on Threat, by nurse on duty by phase
It closes information and notifies physician, or notify physician by way of GPRS short message.
In the present invention, evaluation to warning message Threat, we are divided into 1,2,3 ... ..., 6 grades, and grade point is bigger
Its threat degree is higher.The Threat of warning message includes the content of two aspects: alarm confidence level and alarm danger level.It is practical
In, the alarm in the ward ICU is flooded with miscellaneous false alarm and many has little significance, dispensable alarm, alarm
The number that the reasonable change of bound setting can be alarmed with strong influence, and the alarm number of reduction is much must not in fact
The alarm wanted, so, we can carry out screening in face of warning message in the acquisition layer of warning message, improve the credible of alarm
Degree.
The alarm of Medical Devices has a variety of different priority, urgent, medium and three kinds of ranks of prompt is generally divided into, in sound
Light shows also different due to the difference of alert levels: as PB840 ventilator is shown in red for emergency alarm and issues urgency
The continuous 5 acoustic alarm sound promoted is yellow for medium alarm indication and issues continuous 3 acoustic alarm sound, and is shown to prompt alarm
It is shown as white and issues 1 acoustic alarm sound.Alarming screening software can be accordingly in the danger level of alert process level judgement alarm.Now
The warning function of each Medical Devices is more and more stronger, but our face major issue of having at present is excessively high wrong report
Rate.This aspect increases hard work burden to medical staff, more seriously due to hard work and to alarm signal
The distrust of breath makes it possible to ignore the crucial warning message for really needing processing.
The alarming and managing of this system and method is used alarms on the basis of confidence level and danger level dual identification
Threat assessment.Alarm confidence level refers to a possibility that warning message really occurs, and alarm danger level refers to the notified breath of alarm
If to the degree of danger of patient when true generation.The size of alarm Threat is actually dangerous by alarm confidence level and alarm
The decision of two elements is spent, to make the project implementation with more operability, this system uses a kind of alarm Threat calculating side of simplicity
Method:
If set of factors is U={ U1,U2, wherein U1For confidence level of alarming, U2For danger level of alarming;
If judge integrates as V={ V1, V2... ..., Vn }, wherein from V1Indicate that n of alarm Threat from high to low are commented to Vn
Valence grade, the value of n is 6 in this research;Confidence level also needs to refine.
Alarm confidence level U1State be divided into high, medium and low three kinds, value is respectively 1,0.6,0.2, alarm danger level U2With
(red alarm is high risk to existing Medical Devices alarm risk class, yellow alarm is medium risk, white is warning note letter
Breath) it divides unanimously, it is divided into high, medium and low three kinds of states, value is also respectively 1,0.6 and 0.2;
The calculation formula of alarm Threat V are as follows: V=U1*U2。
By above-mentioned alarm confidence level U1, alarm danger level U2Value, the Threat V=that can must alarm 1,0.6,0.36,
0.2,0.12,0.04 };Red high risk alarming and managing is included in the alarm that Threat V value of alarming is 1, by Threat V value of alarming
It is included in yellow medium risk alarming and managing for 0.6 and 0.36 alarm, the report for being 0.2,0.12 and 0.04 by Threat V value of alarming
It is alert to be included in white prompt warning message management.
In specific embodiment:
With research objectFor 4 ventilators, instrument itself has different priorities setting to alarm, and with not
It is divided into high, medium and low three priority (see the table below) with background color and exclamation mark:
Such as: Airway Pressure Low (airway pressure is low) is high priority alarm, then danger level value is 1;
Volume not Constant (capacity is non-constant) is middle priority alert, then danger level value is 0.6;
Pressure limited (pressure limit) is low priority alarm, then danger level value is 0.2.
Confidence level: refer to the really degree that alarm occurs, it is analyzed all Medical Devices warning messages of each bed
As a result.Bed infant has patient monitor, ventilator, infusion pump etc. in monitoring (treatment) simultaneously, then can analyze warning message, employment
Work aptitude manner identifies false alarm, is divided into high, medium and low three ranks to confidence level, value is 1,0.6,0.2 respectively.
Following principle is followed to the judgement of every bed alarm confidence level:
1. identical parameters pass through the parameter of the parameter confidence level > non-invasive monitoring of invasive monitoring.Such as: ventilator exhales last CO2
The respiratory rate (RR) monitored normally, but is alarmed by the respiratory rate (RR) that ECG monitor monitors, then can determine whether the heart
Electric monitor monitors to be false alarm, minimum 0.2 is taken to the confidence level for being identified as false alarm;
2. identical alarm in same time interval (20s) is then denoted as an alarm, i.e., subsequent alarm is that front is alarmed
Repetition, identical subsequent alarms make false alarm management, and confidence level value is 0.2;
3. 30 days data before statistics gatherer to warning message database, to the report of clinical processing in time (processing in 60s)
Alert confidence level is set as high (value 1), clinic is not dealt with (untreated in 600s) alarm be automatically set as it is low credible
It spends (value 0.2);What processing timeliness was in interlude is set as middle confidence level (value 0.6).
Thus the alarm Threat (Threat=danger level × confidence level) of the various warning messages of the bed can be calculated: meter
It obtains, Threat value is respectively as follows: 1,0.6,0.36,0.2,0.12,0.04, is 0.2,0.12,0.04 for Threat
It is included in low Threat alarm;0.6, it 0.36 alarms for middle Threat;1 alarms for high Threat.
The ICU medical device alerts information that system is mainly collected is from the weight such as patient monitor, ventilator, infusion/syringe pump
The parameter of point monitoring.It completes the investigation of ICU alarming and managing status and necessity is integrated to warning message is making the same of analysis
When, ICU relevant device data interface, the investigation of communication protocol and data collection work are completed, and satisfactorily complete data-interface
Investigation and Hardware match scheme.
In specific one embodiment of the invention, Fig. 7 is ventilator data acquisition flow figure to show to ventilator
The data of warning message acquire.The data acquisition flow of other kinds of Medical Devices is also similar.
In terms of the analysis of warning message and screening, by artificial distributed collection, artificial Screening analysis means to the report of ICU
Alert information has carried out preliminary analysis, and analysis work is mainly divided to two aspects: 1. by rationally adjusting alarm upper and lower limit method, reducing
The little alarm of clinical practice meaning.Correlation analysis discovery, with SPO2For, low alarm setting value is adjusted downward to 88% from 90%,
SPO2The big appointment decline 30% or so of lower limit alarm times;2. artificial screening is carried out to warning message, to reject unnecessary report
Alert information.
True alarm with clinical practice meaning only accounts for the 15% of alarm sum, calculates by the screening model that this system uses
Method can be included in the red alarm management that Threat is 1, and (the alarm screening model algorithm that this system uses will alarm Threat value
It is divided into 1,0.6,0.36,0.2,0.12,0.04 6 rank, 1 is most danger classes);Little true of clinical meaning alarm and
False alarm accounts for the 85% of alarm sum, can be by part by the screening model algorithm that this system uses in conjunction with the degree of danger of alarm
Alarm be included in Threat be 0.6,0.36 yellow alarm management, remainder alarm can be included in Threat be 0.2,0.12,
0.04 white information prompts management area.
Claims (5)
1. a kind of medical device alerts information management system, including PC machine and multiple Medical Devices, which is characterized in that the system is also
Including one or more protocol converters, each protocol converter is connect with PC machine, each protocol converter be also connected with one or
Multiple Medical Devices further include program module, and described program module and protocol converter make the system execute following steps:
(1) according to the communications protocol and data structure information of various Medical Devices, various medical device communication data are carried out just
True reading;
(2) data conversion of medical device data interface is passed through at ICP/IP protocol data by the protocol converter of secondary development
Ethernet interface transmission;
(3) data are carried out with PC machine by RJ45 data-interface to be connected, realizes the length of the medical device alerts data of all accesses
Distance Transmission and integrated;
(4) Screening analysis of warning message: the raw alarm information of Medical Devices is acquired;Warning message is carried out at intelligence
Reason;False alarm information is screened, grade identification, physiological parameter analysis, the warning message for carrying out priority level is shown, is carried out
Warning message acquisition and screening analysis.
2. medical device alerts information management system according to claim 1, which is characterized in that protocol converter includes
W5500S2E-S1 module.
3. medical device alerts information management system according to claim 1, which is characterized in that step further includes in (4)
On the basis of false alarm rate analysis, setting Medical Devices alarm bound.
4. medical device alerts information management system according to claim 2, which is characterized in that step passes through meter in (4)
Alarm Threat is calculated to carry out the screening analysis of warning message and management, specifically also alarm Threat calculation method is as follows:
If set of factors is U={ U1,U2, wherein U1For confidence level of alarming, U2For danger level of alarming;
If judge integrates as V={ V1, V2... ..., Vn }, wherein from V1The n evaluation etc. of alarm Threat from high to low is indicated to Vn
Grade;
Alarm confidence level U1State be divided into high, medium and low three kinds, value is respectively 1,0.6,0.2, alarm danger level U2With it is existing
Medical Devices alarm risk class division unanimously, are divided into high, medium and low three kinds of states, and value is also respectively 1,0.6 and 0.2;
The calculation formula of alarm Threat V are as follows: V=U1*U2;
By above-mentioned alarm confidence level U1, alarm danger level U2Value, the Threat V=that can must alarm 1,0.6,0.36,0.2,
0.12,0.04 };Red high risk alarming and managing is included in the alarm that Threat V value of alarming is 1, is by alarm Threat V value
Yellow medium risk alarming and managing is included in 0.6 and 0.36 alarm, the alarm for being 0.2,0.12 and 0.04 by Threat V value of alarming
It is included in white prompt warning message management.
5. medical device alerts information management system described in one of -4 according to claim 1, which is characterized in that Medical Devices packet
Include one or more ventilator, patient monitor and infusion pump.
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CN110115562A (en) * | 2019-05-14 | 2019-08-13 | 中国人民解放军陆军特色医学中心 | A kind of Multi-stage alarming prompt system and method applied to intensive care unit |
CN110164104A (en) * | 2019-07-01 | 2019-08-23 | 珠海格力电器股份有限公司 | Fault early warning method, device and equipment based on failure sorted |
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