CN105233368A - Infusion alarm and control method thereof - Google Patents
Infusion alarm and control method thereof Download PDFInfo
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- CN105233368A CN105233368A CN201510671930.4A CN201510671930A CN105233368A CN 105233368 A CN105233368 A CN 105233368A CN 201510671930 A CN201510671930 A CN 201510671930A CN 105233368 A CN105233368 A CN 105233368A
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- Prior art keywords
- controller
- transfusion bottle
- infusion
- alarm
- infusion alarm
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Abstract
The invention discloses an infusion alarm and a control method thereof. The infusion alarm comprises a hanging ring, a hanging hook, a power source, a tension sensor, a signal conditioning circuit, a controller, a working panel and a loudspeaker and the like. A control system is mainly configured in a mode that the controller is utilized to compare signals collected by the tension sensor and conditioned by the signal conditioning circuit with a set alarming threshold value; when liquid is going to drip off, output of the tension sensor reaches the set alarming threshold value, and the controller controls the loudspeaker to give out an alarming sound to prompt nursing personnel or accompanying personnel to timely close an infusion device; when mass, of liquid, monitored by the tension sensor is not reduced within two minutes or is reduced by an amount smaller than or equal to 4g, an alarm is also given out to avoid medical accidents caused by influence on dripping or even normal treatment due to the fact that a pipeline of the infusion device is pressed or bent by a patient carelessly. The infusion alarm is low in cost, high in accuracy, small in size, convenient to use, high in reliability and convenient for large-scale application by medical institutions.
Description
Technical field
The present invention relates to a kind of medical monitoring and automation field, be specifically related to a kind of infusion alarm and control method thereof.
Background technology
At present, venous transfusion is a kind of important route of administration in clinical treatment, has very important effect in the treatment.Patient, when infusing, needs nurse, to accompany and attend to or patient oneself often checks residual liquid quantity in infusion bottle, and change liquid as required or pull out transfusion needle.Because transfusion time is longer, patient or entourage neglect unavoidably, and can not flow sky by liquid in Timeliness coverage infusion bottle, cause vein blood back, cause unnecessary loss and misery, even threaten patient vitals.Therefore, the infusion alarm can automatically reminded when liquid will be totally lost just seems very necessary.
Though current existing infusion pump function ratio is comparatively comprehensive and precision is higher, equipment too expensive, be unfavorable for applying on a large scale; The existing infusion alarm structure utilizing photovoltaic principals to design is simple, easy to use, but easily because transfusion device pipeline tilts or bubble produces false alarm; The infusion alarm structure of existing employing spring scale repacking is simple, and cost is lower, but precision is too poor; Though the infusion alarm structure of existing employing pressure guidance is simple, precision is higher, there is the hidden danger of liquid contamination.
Summary of the invention
The object of the invention is the deficiency existed for above infusion alarm, provide that a kind of cost is low, precision is high, volume is little, easy to use, reliability is high, be convenient to infusion alarm and the control method thereof of medical institutions' widespread adoption, improve nursing quality, reduce medical-risk.
For achieving the above object, the present invention takes following technical scheme;
A kind of infusion alarm, comprising annunciator panel, being fixed on annunciator panel top for the suspension ring that are connected with drip stand be connected to bottom annunciator panel for hanging the hook of transfusion bottle;
Described annunciator panel is provided with function selecting button, for selecting and showing the display screen of different size transfusion bottle and cancel alarm button; Annunciator panel is built-in with control warning system;
Described control warning system comprise with link up with signal that the pulling force sensor, the signal conditioning circuit receiving pulling force sensor monitor signal, the Received signal strength that are connected nurse one's health circuit for judge transfusion bottle mass change situation controller, to be connected the loudspeaker that carry out reporting to the police with controller and for providing the power supply of electric energy as whole control system;
Described function selecting button, display screen are all connected with controller with cancellation alarm button.
As a further improvement on the present invention, described power acquisition AAA battery.
As a further improvement on the present invention, described signal conditioning circuit mainly adopts the output signal of operational amplifier to pulling force sensor to nurse one's health, and is treated to and meets the stable simulation voltage signal that controller accepts scope.
As a further improvement on the present invention, described controller adopts the single-chip microcomputer at least with a road AD passage and four road DI/DO passages.
As a further improvement on the present invention, the line traffic control that described cancellation alarm button draws patient's straightforward manipulation by wire cancels alarm button.
A control method for infusion alarm, comprises the following steps:
Pulling force sensor Detection job when setting hook is non-loaded is M
0; According to actual transfusion bottle specification, select corresponding transfusion bottle model by function selecting button, controller sets the alarming threshold value M judging transfusion bottle mass change situation automatically
1;
Judge that controller receives pulling force sensor and monitors quality on hook at time T
1inside whether be greater than M
0; If not, be then judged as without transfusion bottle, controller controls whole system automatic shutdown; If so, be then judged as that transfusion bottle is infused;
In infusion process, pulling force sensor carries out Real-Time Monitoring to transfusion bottle quality, and by signal conditioning circuit by signal transmission to controller, controller is to current measurement value and setting alarming threshold value M
1compare in real time, if meet alert if, controller drives loudspeaker to report to the police; Alert if refers to:
The signal value received when controller is greater than setting alarming threshold value M
1time, and signal value T continuous time
3in not change, or continuous time T
3interior reduction is less than or equal to mass M
2time, report to the police;
When in duration T
2interior real-time measurement values is less than or equal to setting alarming threshold value M
1time, controller controls loudspeaker and reports to the police;
Cancel controller after reporting to the police again to compare in real time current measurement value and setting alarming threshold value.
Further, T
1be 5 minutes, T
2be 5 seconds, T
3be 2 minutes, M
2it is 4 grams.
Further, M
1the transfusion bottle of the corresponding different size of setting value, and M
1quality be M
0+ empty transfusion bottle quality+empty transfusion device quality+25 grams quality of remaining liq in transfusion device and transfusion bottle (25 grams be).
Further, described cancellation alarming step is cancelled for adopting operation to cancel alarm button cancellation or adopting line traffic control to cancel alarm button.
Relative to prior art, the invention has the beneficial effects as follows:
Infusion alarm of the present invention is for infusion alarming problem, adopt pulling force sensor and control warning system, utilizing automatic control mode to achieve automatization and the intellectuality of infusion alarming, relative to traditional alarm technique, there is higher reliability, and cost is low, easy to use; The present invention is because adopting Electrical Control Technology, and decrease complicated mechanism design, not only alleviate alarm quality, reduce alarm volume, the more important thing is easy to operate, degree of accuracy improves greatly.And cancellation alarm button is set, cancels warning in time.
Pulling force sensor is directly connected with the hook of suspension transfusion bottle, for Real-Time Monitoring transfusion bottle quality, improves more than 10 times relative to mechanical type infusion alarm precision of weighing.
Further, line traffic control is cancelled arranging of alarm button and is facilitated patient oneself to operate cancellation warning, convenient and practical.
The automatic control technology that control method of the present invention adopts, report to the police when will can not only drip off liquid, and can cause transfusion slowly or stagnate and report to the police to being accidentally pressed onto because of patient or folding to transfusion device pipeline, think that liquid is totally lost when the current measurement value of transfusion bottle quality is less than or equal to setting alarming threshold value; When transfusion bottle quality thinks when reduction is less than or equal to 4 grams in continuous 2 minutes that transfusion device pipeline is pressed onto or opisthotonos accidentally.Controller, for judging the situation of change of transfusion bottle quality, if meet alert if, drives loudspeaker to report to the police.At lower cost, achieve higher intellectuality, avoid because of not by the potential safety hazard brought of the timely medication of regulation.
Further, the present invention adopts automatic control system can Real-Time Monitoring self duty, when there is no transfusion bottle under continuous 5 minutes monitor hook, and can automatic shutdown.When not increasing nursing staff's workload, reach energy-conservation object.
Further, infusion alarm of the present invention and control system cost is low, precision is high, volume is little, simple to operate, reliability is high, be convenient to medical institutions' widespread adoption, for the research of Subsequent infusions alarm and control system provides a kind of new thinking, there is very important realistic meaning and researching value.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and preferred embodiment, the present invention is described in further detail.
Fig. 1 is structural representation of the present invention;
Fig. 2 is control system principle schematic of the present invention;
Fig. 3 is the control sequence flow chart of automatic control system of the present invention.
In figure, 1 is suspension ring; 2 is annunciator panel; 3 is function selecting button; 4 is display screen; 5 for cancelling alarm button; 6 is hook; 7 is line traffic control cancellation alarm button; 8 is pulling force sensor; 9 is signal conditioning circuit; 10 is controller; 11 is loudspeaker; 12 is power supply.
In Fig. 2, solid line represents power flow; Represented by dotted arrows signal flows to.
Detailed description of the invention
A kind of infusion alarm, when can drip off soon liquid simultaneously and transfusion device pipeline be forced into or fold to and affect fluid drip two kinds of situations and accurately report to the police, infusion alarm comprises the parts such as suspension ring 1, hook 6, power supply 12, pulling force sensor 8, signal conditioning circuit 9, controller 10, working panel 2, loudspeaker 11.Wherein: suspension ring 1 and hook 6 are respectively used to the connection of infusion alarm and drip stand and transfusion bottle; Power supply 12 adopts AAA battery, for providing electric energy for whole alarm control circuit; Pulling force sensor 8 is directly connected, for Real-Time Monitoring transfusion bottle quality with the hook 6 hanging transfusion bottle; Signal conditioning circuit 9 mainly adopts the output signal of operational amplifier to pulling force sensor 8 to nurse one's health, and is treated to and meets the stable simulation signal that controller 10 accepts scope; Controller 10 adopts the single-chip microcomputer at least with 1 road AD passage and 4 road DI/DO passages.
Controller 10 is for judging the situation of change of transfusion bottle quality, and concrete determination methods is as follows:
If meet alert if, loudspeaker 11 are driven to report to the police; Whole system automatic shutdown is controlled, to save electric energy when controller 10 monitors and hook do not hang transfusion bottle more than 5 minutes; Described working panel 2 comprises function selecting button and display screen 4, for selecting and show the transfusion bottle of different size; Alarm is drawn one by wire and is cancelled alarm button 7, so that nurse and family members aside not in particular cases, patient can cancel and reporting to the police by straightforward manipulation.
When dripping off soon for liquid respectively below and transfusion device pipeline be forced into or fold to and affect the situation that fluid drip two kinds of situations carry out accurately reporting to the police and be described:
Embodiment 1
Below for the warning of infusion alarm when transfusion bottle liquid will drip off, illustrate the operation principle of infusion alarm of the present invention and control system thereof.The transfusion preparatory stage, nursing staff, according to actual transfusion bottle specification, selects respective selection by operating function select button.In infusion process, in transfusion bottle, amount of fluid constantly reduces, pulling force sensor 8 pairs of transfusion bottle quality carry out Real-Time Monitoring, and pass through signal conditioning circuit 9 by signal transmission to controller 10, controller 10 pairs of current measurement values and setting alarming threshold value compare in real time, when real-time measurement values continues within 5 seconds, to be less than or equal to setting alarming threshold value, controller 10 controls loudspeaker 11 and reports to the police, and pointing out nursing staff, to accompany and attend to or the timely close transfusion device of patient carries out transfusion bottle switching or pulls out the operations such as pin.
Embodiment 2
Be forced into or fold to warning when affecting normal infusion for infusion alarm at transfusion device pipeline below, illustrate the operation principle of infusion alarm of the present invention and control system thereof.In normal infusion process, patient may be there is because the situation such as to stand up accidentally is pressed onto transfusion device pipeline or transfusion device pipeline opisthotonos affect normal infusion, even causing transfusion stagnation, affecting normal administration, under serious conditions, may malpractice be caused.Controller 10 constantly receives the monitor signal of pulling force sensor 8 by signal conditioning circuit 9, when controller 10 to signal value not yet reach setting alarming threshold value, and signal value does not change or changes very slowly for continuous 2 minutes, and in (in 2 minutes, mass change is less than or equal to 4 grams) time, reports to the police in time, pointing out nursing staff, to accompany and attend to or patient checks transfusion device state in time, in order to avoid affect normal therapeutic.
Finally it should be noted that above embodiment only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (9)
1. an infusion alarm, is characterized in that: comprise annunciator panel (2), be fixed on annunciator panel (2) top and be used for the suspension ring (1) that are connected with drip stand and be connected to bottom annunciator panel (2) for hanging the hook (6) of transfusion bottle;
Described annunciator panel (2) is provided with function selecting button (3), for showing the display screen (4) of different size transfusion bottle and cancelling alarm button (5); Annunciator panel (2) is built-in with control warning system;
The signal that described control warning system comprises the pulling force sensor (8) be connected with hook (6), the signal conditioning circuit (9) of monitor signal receiving pulling force sensor (8), Received signal strength nurse one's health circuit (9) for judge transfusion bottle mass change situation controller (10), to be connected the loudspeaker (11) that carry out reporting to the police with controller (10) and for providing the power supply (12) of electric energy as whole control system;
Described function selecting button (3), display screen (4) are all connected with controller (10) with cancellation alarm button (5).
2. a kind of infusion alarm according to claim 1, is characterized in that: described power supply (12) adopts AAA battery.
3. a kind of infusion alarm according to claim 1, it is characterized in that: described signal conditioning circuit (9) mainly adopts the output signal of operational amplifier to pulling force sensor (8) to nurse one's health, and is treated to and meets the stable simulation voltage signal that controller (10) accepts scope.
4. a kind of infusion alarm according to claim 1, is characterized in that: described controller (10) adopts the single-chip microcomputer at least with a road AD passage and four road DI/DO passages.
5. a kind of infusion alarm according to claim 1, is characterized in that: the line traffic control that described cancellation alarm button (5) draws patient's straightforward manipulation by wire cancels alarm button (7).
6. the control method of a kind of infusion alarm according to claim 1, is characterized in that, comprise the following steps:
Pulling force sensor (8) Detection job when setting hook (6) is non-loaded is M
0; According to actual transfusion bottle specification, select corresponding transfusion bottle model by function selecting button (3), controller (10) automatically setting judges the alarming threshold value M of transfusion bottle mass change situation
1;
Judge that controller (10) receives pulling force sensor (8) and monitors quality on hook (6) at time T
1inside whether be greater than M
0; If not, be then judged as without transfusion bottle, controller (10) controls whole system automatic shutdown; If so, be then judged as that transfusion bottle is infused;
In infusion process, pulling force sensor (8) carries out Real-Time Monitoring to transfusion bottle quality, and passing through signal conditioning circuit (9) by signal transmission to controller (10), controller (10) is to current measurement value and setting alarming threshold value M
1compare in real time, if meet alert if, controller (10) drives loudspeaker (11) to report to the police; Alert if refers to:
The signal value received when controller (10) is greater than setting alarming threshold value M
1time, and signal value T continuous time
3in not change, or continuous time T
3interior reduction is less than or equal to mass M
2time, report to the police;
When in duration T
2interior real-time measurement values is less than or equal to setting alarming threshold value M
1time, controller (10) controls loudspeaker (11) and reports to the police;
Cancel controller (10) after reporting to the police again to compare in real time current measurement value and setting alarming threshold value.
7. the control method of a kind of infusion alarm according to claim 6, is characterized in that, T
1be 5 minutes, T
2be 5 seconds, T
3be 2 minutes, M
2it is 4 grams.
8. the control method of a kind of infusion alarm according to claim 6, is characterized in that, M
1the transfusion bottle of the corresponding different size of setting value, and M
1quality be M
0+ empty transfusion bottle quality+empty transfusion device quality+25 grams.
9. the control method of a kind of infusion alarm according to claim 6, is characterized in that, described cancellation alarming step is cancelled for adopting operation to cancel alarm button (5) cancellation or adopting line traffic control to cancel alarm button (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510671930.4A CN105233368B (en) | 2015-10-15 | 2015-10-15 | A kind of infusion alarm and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510671930.4A CN105233368B (en) | 2015-10-15 | 2015-10-15 | A kind of infusion alarm and its control method |
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| Publication Number | Publication Date |
|---|---|
| CN105233368A true CN105233368A (en) | 2016-01-13 |
| CN105233368B CN105233368B (en) | 2019-04-26 |
Family
ID=55031349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510671930.4A Expired - Fee Related CN105233368B (en) | 2015-10-15 | 2015-10-15 | A kind of infusion alarm and its control method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618244A (en) * | 2009-07-09 | 2010-01-06 | 葛锋 | Implementation method of digital transfusion monitoring and alarming system |
| CN101785886A (en) * | 2010-03-09 | 2010-07-28 | 张飞 | Real-time monitoring method and real-time monitoring device for infusion |
| CN102631727A (en) * | 2012-03-21 | 2012-08-15 | 缪学明 | Infusion monitoring apparatus and monitoring method thereof |
| CN103480063A (en) * | 2013-09-13 | 2014-01-01 | 中北大学 | Digital display transfusion alarming assistant |
| CN104721919A (en) * | 2015-04-03 | 2015-06-24 | 杨家良 | Infusion monitoring alarm used in hospital ward |
| CN205041897U (en) * | 2015-10-15 | 2016-02-24 | 中国人民解放军第四军医大学 | Perfusion alarm |
-
2015
- 2015-10-15 CN CN201510671930.4A patent/CN105233368B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618244A (en) * | 2009-07-09 | 2010-01-06 | 葛锋 | Implementation method of digital transfusion monitoring and alarming system |
| CN101785886A (en) * | 2010-03-09 | 2010-07-28 | 张飞 | Real-time monitoring method and real-time monitoring device for infusion |
| CN102631727A (en) * | 2012-03-21 | 2012-08-15 | 缪学明 | Infusion monitoring apparatus and monitoring method thereof |
| CN103480063A (en) * | 2013-09-13 | 2014-01-01 | 中北大学 | Digital display transfusion alarming assistant |
| CN104721919A (en) * | 2015-04-03 | 2015-06-24 | 杨家良 | Infusion monitoring alarm used in hospital ward |
| CN205041897U (en) * | 2015-10-15 | 2016-02-24 | 中国人民解放军第四军医大学 | Perfusion alarm |
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| CN105233368B (en) | 2019-04-26 |
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Granted publication date: 20190426 Termination date: 20191015 |