CN105125348A - Intelligent urine-wetting alarm method and system - Google Patents

Intelligent urine-wetting alarm method and system Download PDF

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Publication number
CN105125348A
CN105125348A CN201410247330.0A CN201410247330A CN105125348A CN 105125348 A CN105125348 A CN 105125348A CN 201410247330 A CN201410247330 A CN 201410247330A CN 105125348 A CN105125348 A CN 105125348A
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urine
wet
patient
intelligent
wetting
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CN105125348B (en
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焦秉立
段晓辉
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Peking University
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Peking University
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Abstract

The invention provides an intelligent urine-wetting alarm method which can achieve functions of automatic monitoring and active calling. The method uses an intelligent identification alarm manner detecting capacitance and resistance changes and is high in sensitivity and identification accuracy. The invention further provides an intelligent urine-wetting alarm system which is a wireless urine-wetting alarm system with functions of automatic monitoring and patient manual calling. By using an identification alarm device based on capacitance and resistance change measuring, situations such as human body approaching, urinary incontinence and nursing completing can be identified sensitively and intelligently. The intelligent urine-wetting alarm method and system have the advantages that alarm signals can be timely transmitted to the mobile phones of accompany and nursing personnel in a wireless manner so as to remind the accompany and nursing personnel to perform nursing, the alarm signals are also transmitted to a server, the server can forward a patient's urine-wetting and the corresponding nursing conditions to relatives and friends or medical staff for supervising, and disease development of the patient can be analyzed. The invention further provides a high-identification-degree intelligent urine-wetting alarm system which can measure urine-wetting area.

Description

A kind of Intelligent urine wetting alarm method and system
Technical field
The present invention relates to medical treatment and nursing technique with the apparatus field, be specifically related to a kind of Intelligent urine wetting alarm method and system.
Background technology
Urinary incontinence is old FAQs, can have a strong impact on the quality of life of patient, causes serious psychological burden to them.If old man's incontinence, and old man independently cannot send signal, and the people of nurse just can not perceive this situation well, thus greatly can affect the comfort level of old man, also may can cause some serious disease.If need nurse personnel regularly to go to touch diaper, propose very high requirement to the nurse muscle power of personnel and energy again, direct impact nurses effect for a long time.So a kind of like this with active call function and can the existence of reminding implement for urine of automatic alarm be necessary.
The alarm based on moisture sensor of the product of current reminding implement for urine mainly each form, comprise the alarms such as light warning, acoustic alarm, the principal character of these products is, by wet sensitive electric circuit inspection to urine, then reported to the police by the form of display lamp or buzzer, nurse personnel just can discover.But these products are in use, still have following one or more deficiency:
1. algorithm is fixed, and it is lower to detect urine wet identification precision by traditional moisture sensor, and rate of false alarm is higher, and the practicality of product is affected.
2. a lot of equipment still requires that nurse personnel accompany by the side of, and the moment observes the alarm signal of sound or luminescence.
3. the mode of radio communication that what the reminding implement for urine that has adopted is, closely can only be connected, but family members cannot the long-range situation to nurse personnel exercise supervision with the receiving device of nurse personnel.
4. the mode of light warning or acoustic alarm easily has influence on the people of surrounding, particularly when patient is when being in hospital ward, very easily affects other patient.
5. need independent cleaning sensing after nursing, use unhygienic and inconvenient shortcoming.
6. do not support to record and supervise wet situation and nursing situation of the urine of old man, so that the nursing improved further for old man and treatment.
Summary of the invention
For overcoming the problems referred to above, an object of the present invention is to provide a kind of Intelligent urine wetting warning system, is a kind of wireless urine-wet alarm system with automatically monitoring and patient's manual calling function.By adopting the identification alarm device based on electric capacity two ends capacitance and resistance change measurement amount, the situation such as can identify the generation of human body proximity, urinary incontinence sensitiveer and intelligently and nursed.The mobile phone reminding wirelessly alarm signal can being issued in time entourage by bluetooth module is nursed timely, and is transferred to server.Then by server, the urine of patient is wet situation and corresponding nursing situation is transmitted to kith and kin or medical personnel exercise supervision, also can be used for the PD situation analyzing patient.
In order to achieve the above object, native system adopts following technical scheme:
A kind of Intelligent urine wetting warning system, comprises a urine and to wet sensing unit, comprise simultaneously with patient may urinate two of wet location contacts not join domains;
The wet testing circuit of one urine, comprises an electric capacity;
One end of described electric capacity connects an above-mentioned wherein not join domain ground connection simultaneously, another not join domain be connected with the other end of electric capacity, and receive CPU;
Described CPU in order to the capacitance at electric capacity two ends and resistance value are converted into the signal of telecommunication, and by described electric signal transmission to server and protect cellphone subscriber at a glance.
Further, the described urine sensing unit that wets is disposable products, comprises the sheeting of some porous, in the middle of it, one or more layers has by conduction reticulate pattern, is divided into two discrete regions, and has two contacts.
Further, described CPU obtains data in order to process the signal of telecommunication, and it is correct to distinguish diaper wearing to data analysis, there is not urinary incontinence in patient, patient there occurs urinary incontinence, patient there occurs serious urinary incontinence, and patient care completes dresses the events such as correct again, and the time of this event occurs record.
Further, also comprise the bluetooth module be connected with CPU, in order to receive the data through CPU transmission, and wirelessly transmit aforementioned data and event information to nurse cellphone subscriber.
Further, described nurse mobile phone is wirelessly to server transmission data and event information.
Further, described bluetooth module also can directly to server transmission data.
Further, described server is no less than the data of a bluetooth module transmission in order to reception, record, identification and analysis and transmits data to other cellphone subscribers.
Further, also comprise the manual calling module be connected with CPU, patient can in order to Non-follow control to nurse cellphone subscriber or server transmission data.
As mentioned above, by taking said structure, the humidity change of human body proximity or the wet sensing unit of urine causes the change of capacitance and resistance value, through the process of CPU, this variable quantity judges that there occurs wearing puts in place, the events such as the wet generation of urine, transfer data to nurse cellphone subscriber, personnel nurse in time in prompting nurse, do not need nurse personnel regularly to go to touch diaper with hands therefrom, the time of having a rest that nurse personnel are enough can be ensured.Even if nurse personnel can leave momently, the interesting cases receiving old man's urinary incontinence also can be guaranteed.Bluetooth module is adopted to be reminded, so be not easy the people having influence on surrounding by the mobile phone of wireless transmission for nurse personnel.
As mentioned above, the sensing unit that wets of urine is wherein removable disposable design, with rear namely discardable, convenient and healthy.The inside that also can be directly installed on diaper uses as the diaper of integration, abandons together after being used to complete.
As mentioned above, server is while reception information, can timing communicate with urine-wet alarm device, read the current state of the wet sensing unit of urine, such as whether the installation of the wet sensing unit of urine is put in place and exercise supervision, whether normal etc. monitor be connected with the mobile phone of nurse personnel to urine-wet alarm device, the reliability of system can be ensured.
As mentioned above, utilize server to record wet situation and nursing situation of the urine of multiple patient, manage and analyze simultaneously, nursing and treatment situation can be improved, improve nursing quality;
As mentioned above, the long urine that server have recorded patient wets monitoring situation, and these data also can be used for the algorithm automatically improving Intelligent urine wetting warning system, improve the dependable with function of system.
Another object of the present invention is to the Intelligent urine wetting warning system providing a kind of reliability higher.
For achieving the above object, the scheme taked is:
On the basis of aforementioned intelligent urine-wet alarm system, the wet sensing unit of urine can containing the non-touching between two region organized more, be equivalent to wet diaper exists multiple urine to wet test point, be connected with multiple urine testing circuit that wets, receive on same CPU, can detect multiple possible urine test point that wets simultaneously, in conjunction with the position of the wet test point of these urine, the area that urine is wet can be known, if combine the wet degree information of urine, by algorithm, the reliability that Intelligent urine wetting detects can be improved further.
Another object of the present invention is to provide a kind of Intelligent urine wetting alarm method realized by above-mentioned Intelligent urine wetting warning system, monitoring and active call function automatically can be realized, adopt the Intelligent Recognition type of alarm of Detection capacitance and resistance variations, there is higher sensitivity and recognition accuracy.
For achieving the above object, the scheme that the present invention takes is:
A kind of Intelligent urine wetting alarm method, comprises the following steps:
1) by wet for urine sensing unit contact patient body;
Wet sensing unit of 1-1) helping a small child urinate by holding his legs apart pastes the inner side of diaper product;
Two conductive regions in the wet sensing unit of urine are connected respectively to measures electric capacity A, B two ends, A, B have a fixing electric capacity, is about 50pf, now there is not urine wet owing to urinating wet sensing unit, the equivalent resistance at A, B two ends is number megohm, by measuring the Parameters variation of capacitance and resistance value on this electric capacity, discharge time on such as electric capacity, a time parameter T1 can be obtained.
1-2) for patient dresses diaper;
After patient dresses upper diaper, the electrode of the wet sensing unit of urine due to human body proximity, the electric capacity at A, B two ends will become greater to 200pf, and the resistance at AB two ends does not change, measure the discharge time on this electric capacity, can obtain a time parameter T2 longer than T1.
When patient urinates wet situation, owing to urinating the electrode ends A of wet sensing unit, the resistance between B is by several megohms of bone dry, change to hundreds of kilohms, thus cause A, the change of discharge time on B 2 electric capacity, measure discharge time now, i.e. time parameter T3, along with the wet degree of urine increases, it is less that resistance can become, and makes this time parameter be reduced to T4 further, if patient has the situation of fecal incontinence to occur, it is T5 that this time parameter will be made smaller.
2) CPU timing is measured the discharge parameter of electric capacity, and according to the time series that discharge parameter changes, judge to urinate wet situation, to nurse, personnel transmit warning;
After CPU measures above-mentioned time parameter, because above-mentioned time parameter exists following relation: T2 > T1 > T3 > T4 > T5, following event can be distinguished: diaper is dressed correct by algorithm, there is not urinary incontinence in patient, patient there occurs urinary incontinence, patient urinates wet serious, patient care completes dresses the events such as correct again, thus the incontinence situation of record patient, record is carried out to the time that event occurs simultaneously.
In addition, CPU can also transfer data to server, is urinated change and the nursing information of wet situation by server analysis patient.
Analyze patient and urinate wet situation along with the situation of change during hospitalization, the wet interval occurred of such as urine is elongated, and the minimizing etc. of the wet number of times of urine, can have certain reference value to the PD of patient and therapeutic effect.
Analyze patient and urinate wet situation to the time of having nursed, can the nurse situation of nurse personnel be assessed and be supervised, such as patient urinates wet time point, have big difference with the time point of having nursed, represent that nurse personnel nurse timely, server will send information to family members' mobile phone or nurse's mobile phone.
By above-mentioned steps, the urine-wet alarm that can realize intelligence detects.
Accompanying drawing explanation
Fig. 1 is the system composition schematic diagram of one embodiment of the invention.
Fig. 2 is the outline drawing of the urine-wet alarm device in one embodiment of the invention.
Fig. 3 is that urine in one embodiment of the invention wets the fundamental diagram of testing circuit.
Fig. 4 is the nurse cellphone subscriber program flow diagram in one embodiment of the invention.
Fig. 5 is the server program flow chart in one embodiment of the invention.
In figure: the wet sensing unit of 100-urine; 200-urine-wet alarm device; The wet testing circuit of 210-urine; 211-electric capacity; 220-CPU; 230-battery module; 240-bluetooth module; 250-display lamp; 260-manual call module; 270-buzzer, 300-server; 400-nurses cellphone subscriber; Other cellphone subscribers of 500-.
Detailed description of the invention
For making above-mentioned feature and advantage of the present invention become apparent, special embodiment below, and coordinate institute's accompanying drawing to be described in detail below.
Embodiment 1:
As shown in Figure 1, Intelligent urine wetting warning system comprises: the wet sensing unit 100 of urine, urine-wet alarm device 200, nurse cellphone subscriber 400, server 300, other cellphone subscribers 500.Other cellphone subscribers 500 can be multiple stage cellphone subscriber, as (not shown) such as families of patients mobile phone, nurse's mobile phones.What whole dotted line frame described is urine-wet alarm device 200.
The wet sensing unit 100 of urine is made up of the sheeting of the porous of more than three layers, outer thin slice has soft surface, to improve the comfort level of patient, in the middle of it, one or more layers there is use conduction reticulate pattern, described conduction reticulate pattern can be formed by electrically conductive ink printing, or adopting other conventional meanses to make, the present invention is not construed as limiting this.The wet sensing unit 100 of urine is divided into two discrete regions, and has two contacts, and the urine that can be wired in urine-wet alarm device 200 wets testing circuit 210.Bottom one deck thin slice is coated with adhesive sticker, and wet sensing unit 100 of can helping a small child urinate by holding his legs apart is bonded at position suitable inside diaper.Also can be arranged on the inside of common diaper, use as a kind of integrated diaper newly.The wet sensing unit 100 of urine after each, can directly abandon, convenient and healthy.
CPU220 is connected to the wet testing circuit 210 of urine, and is connected with manual call module 260, buzzer 270, display lamp 250, battery module 230 and bluetooth module 240.The profile of urine-wet alarm device 200 as shown in Figure 2, wire is connected with the wet sensing unit 100 of urine, there is on and off switch on its shell side, control battery module 230 to power, the top of shell also has manual call button, control manual call module 260 to report to the police, and be used to indicate the display lamp 250 of warning.
Intelligent urine wetting warning system shown in the present embodiment, the detection of the wet degree of its urine realizes by urinating wet sensing unit 100 and the wet testing circuit 210 of urine and CPU220, as shown in Figure 3, in figure, the electric capacity of AB 2 is about 50pf, the resistance at its two ends of drying regime is in for number megohm owing to urinating wet sensing unit, CPU220 measures and is designated as time T1=T its discharge time, when the wet sensing unit 100 of urine is attached on diaper, after patient's (i.e. tested object) puts on, because patient body is close to the wet sensing unit 100 of urine, A in figure will be caused, the capacitance variations that B is 2, capacitance generally can change to 200pf from 50pf, thus cause the electric capacity 211 discharge and recharge time be increased to original 4 times, discharge time is measured as T2=4T, when the humidity on the wet sensing unit 100 of urine changes time, be equivalent to this electric capacity A, the upper resistance in parallel of B 2 is from several megohms of drying regime, along with humidity change and the impact of body fluid conductive compositions, become several thousand ohms, decline about 10 times, thus make the discharge and recharge time of electric capacity 211 along with the increase of the wet degree of urine, and reduce 10 times, , this time parameter is measured by CPU220, obtain T3=4T/10=0.4T, along with the increase of the wet degree of urine, discharge time will reduce further, such as T4=0.2T, exist these different discharge times significantly different, i.e. T2 > T1 > T3 > T4, by the algorithm of CPU220 inside, diaper can be distinguished do not dress (T1), diaper dresses (human body proximity) (T2) that put in place, there is (T3) in urinary incontinence, the generation of events such as (T4) that urinary incontinence seriously occurs, when nursing completes, A, the electric capacity that B is 2 returns to dry electric capacity, resistance also returns to resistance during drying, the discharge and recharge time on electric capacity gets back to initial state (T2), by this state, system can judge that nursing completes.
Concrete grammar the following detailed description of CPU220 measurement parameter above-mentioned discharge time is as described below: CPU220 selects a single-chip microcomputer, A end in AB two ends is connected with a digital pin of single-chip microcomputer, this pin can be arranged to export or income pin by single-chip microcomputer, the measurement of discharge time can be realized: [1] arranges this pin for exporting by following steps, and being set to high level, then the level quick charge of A point is 3.3V (assuming that the interface level of single-chip microcomputer is 3.3 level standards).[2] this pin is set for input, and starts timing.Single-chip microcomputer judges that the level of this pin is high level simultaneously, when the voltage of A point is along with the beginning of electric discharge, reduces gradually, until when reaching the low level input switching levels such as 1V of single-chip microcomputer, single-chip microcomputer can judge that the level of this pin becomes logic low.Single-chip microcomputer stops timing simultaneously, can obtain the time parameter of this electric discharge.This time parameter is relevant with equivalent resistance in parallel with the equivalent capacity at AB two ends, and electric capacity is larger, and discharge time is longer, and resistance is less, and discharge time is shorter.
Urine-wet alarm device 200 timing is measured the discharge parameter of electric capacity, such as every 1 second once, and intelligent decision analysis is carried out to the time parameter sequence obtained, draw the wet event information of urine, and the event information judged, packing is sent to nurse mobile phone 400, such as urinary incontinence event information, after nurse mobile phone 400 receives this information, this mobile phone is with vibrations, or the mode such as sound reminds nurse personnel to nurse in time, this mobile phone is by the information of the various events obtained simultaneously, as urinated the wet moment, the wet degree of urine etc. passes to server 300, make server 300 can carry out record to data, server 300 can notify the mobile phone of nurse on duty or the mobile phone etc. of Relatives of Patients Hospitalized automatically.Urine-wet alarm device 200 also can directly issue server 300, reminds nurse personnel by server 300.
Whether urine-wet alarm device 200, after nurse personal care completes, can be reinstalled according to the wet sensing unit 100 of urine, judge the situation of this time nursing, such as nurse the end time, nursing clean level etc., and report server 300 to record nursing situation.
When patient has call demand, also can press call button, directly with the mobile communication of nurse personnel, remind nurse personnel, this information also can be sent to record on server.
The function of nurse cellphone subscriber 400, other cellphone subscribers 500 and server 300 is all mainly realized by the programming of software.Handset program flow chart can with reference to figure 4, and the flow chart of server program can with reference to figure 5.
One station server 300 can accept multiple stage urine-wet alarm device 200 (not shown), thus reaches the effect that a station server manages multiple patient.If urine-wet alarm device 200 can not communicate with nurse cellphone subscriber 400, the buzzer of urine-wet alarm device 200 will be sounded and be pointed out nursing.Server 300 timing is connected with nurse mobile phone, if find the non-connection server 300 of nurse cellphone subscriber, can report to the police to other cellphone subscribers 500, remind nurse or families of patients assist process.Server 300 also can be connected with urine-wet alarm device in timing, realizes connection and the duty of automatic check urine-wet alarm device 200, if can not realize and the connection of nursing mobile phone, then points out nurse to process in time.
Server 300 can be analyzed wet situation and nursing situation of the urine of patient of record, to facilitate the improvement to patient and nurse work.Analyze patient and urinate wet situation along with the situation of change during hospitalization, the wet interval occurred of such as urine is elongated, and the minimizing etc. of the wet number of times of urine, can have certain reference value to the PD of patient and therapeutic effect.Analyze patient and urinate wet situation to the time of having nursed, can assess the nurse situation of nurse personnel and supervise, such as patient urinates wet time point, has big difference with the time point of having nursed, and represents that nurse personnel nurse timely.
Simultaneously, because server 300 can record degree and the process of the wet generation of urine, specific algorithm can be passed through, automatically the related algorithm of adjustment urine-wet alarm device 200, such as according to the dependent thresholds etc. of the difference adjustment urine-wet alarm of patient, thus effectively improve the reliability of urine-wet alarm, or according to the wet situation of history urine of patient, and the embody rule situation of diaper, such as urine wets three times or urine is wet reaches certain degree, just prompting is nursed, and increases the practicality of system.
The wet sensing unit of urine can containing the non-touching between two region organized more, to wet test point corresponding to the multiple urine on wet diaper, the testing circuit that wets with multiple urine is respectively connected, receive on same CPU, can detect multiple possible urine test point that wets simultaneously, because the wet test point of these urine passes through algorithm, the method of such as simple majority, the generation that wet event can confirm to urinate wet event is further urinated if namely there is multiple point there occurs, simultaneously also can in conjunction with the position of the wet test point of urine, judge the wet area occurred of urine, the reliability that further raising Intelligent urine wetting detects.
As above-mentioned, the present embodiment lifts Intelligent urine wetting alarm method and system not only supports that patient carries out initiative alarming.Its CPU220 had automatic reception can also urinate the signal of wet sensing unit 100 and analyzes, distinguish diaper wearing and put (human body proximity) in place, urinary incontinence occurs, the situation such as to nurse, then reported to the police by the mobile phone of bluetooth module 240 to nurse personnel, this mobile phone is helped a small child urinate by holding his legs apart wet alarm condition and nursing situation upload server 300 notify relatives and nurse simultaneously, server 300 can carry out subsequent analysis based on the data of record, to facilitate following treatment and nursing, also automatically can adjust the algorithm of urine-wet alarm device 200, improve the reliability of system.

Claims (10)

1. an Intelligent urine wetting warning system, is characterized in that, comprises a urine and to wet sensing unit, comprise two not join domains;
The wet testing circuit of one urine, comprises an electric capacity;
Described wherein one not join domain connect one end of electric capacity and simultaneously ground connection, another not join domain be connected with the other end of electric capacity, and connect a CPU simultaneously;
Described CPU in order to the capacitance at electric capacity two ends and the variable quantity of resistance value are converted into the signal of telecommunication, and by described electric signal transmission to server and protect cellphone subscriber at a glance.
2. Intelligent urine wetting warning system according to claim 1, it is characterized in that, the described urine sensing unit that wets is disposable products, comprises the sheeting of some layers of porous, in the middle of it, one or more layers has conduction reticulate pattern, described two unconnected regions have two contacts respectively.
3. Intelligent urine wetting warning system according to claim 1, it is characterized in that, described CPU also obtains data in order to process the signal of telecommunication, differentiation event: diaper is dressed correct, there is not urinary incontinence in patient, patient there occurs urinary incontinence, and patient there occurs serious urinary incontinence, and patient care completes dresses correctly again; And record the time of generation event.
4. Intelligent urine wetting warning system according to claim 1, is characterized in that, described nurse cellphone subscriber is also in order to server transmission data and event information.
5. Intelligent urine wetting warning system according to claim 4, is characterized in that, also comprises the bluetooth module be connected with CPU, in order to receive the data of CPU transmission, and transmits aforementioned data and event information to nurse cellphone subscriber.
6. Intelligent urine wetting warning system according to claim 5, is characterized in that, described bluetooth module is also in order to directly to server transmission data and event information.
7. Intelligent urine wetting warning system according to claim 6, is characterized in that, described server is no less than the data of a bluetooth module transmission in order to reception, record, identification and analysis and transmits data to other cellphone subscribers.
8. Intelligent urine wetting warning system according to claim 1, is characterized in that, also comprises the manual calling module be connected with CPU, in order to Non-follow control to nurse cellphone subscriber or server transmission data.
9. Intelligent urine wetting warning system according to claim 1, is characterized in that, the described urine sensing unit that wets comprises the not join domain of more than three groups, accesses CPU after the testing circuit that wets respectively is connected with the urine of respective numbers.
10., by the Intelligent urine wetting warning system described in any one of claim 1-9, the Intelligent urine wetting alarm method of realization, comprises the following steps:
1) by wet for urine sensing unit contact patient body;
2) CPU timing is measured the capacitance at electric capacity two ends and resistance parameter, and according to the time series that capacitance and resistance parameter change, judge to urinate wet situation, to nurse, personnel transmit warning.
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CN105616048A (en) * 2016-03-17 2016-06-01 西安绿野医疗科技有限责任公司 Human body excretion detecting and monitoring method and system
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CN107301759A (en) * 2017-08-01 2017-10-27 陈尔博 Long-distance intelligent urine-wet alarm system and alarm method
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