CN103913280B - Judge to fold method and the Anesthesia machine machine control leak testing method that capsule is full of - Google Patents
Judge to fold method and the Anesthesia machine machine control leak testing method that capsule is full of Download PDFInfo
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Abstract
The present invention discloses a kind of judgement and folds the method that capsule is full of, and comprises the following steps：Step A, control unit control Anesthesia machine are to folding capsule inflation；Step B, pressure sensing cell detection fold intracapsular pressure value；Step C, comparing unit compare the airway pressure force value that the pressure value that step B is surveyed is produced with the gravity folded when capsule is full of, if the pressure value is more than or equal to the airway pressure force value, then judging unit judges that folding capsule is full of, if the pressure value is less than the airway pressure force value, judging unit judges to fold capsule underfill.The method can detect whether folding capsule is full of, it is to avoid due to folding capsule not full of causing the inaccurate problem of leak-testing.Invention additionally discloses a kind of Anesthesia machine machine control leak testing method, the method is the test carried out on the premise of folding capsule is full of, and airway pressure is reached requirement, and then cause that test accuracy is high.
Description
Technical field
Method and utilization judgement side that capsule is full of are folded the present invention relates to Anesthesia machine field, more particularly to a kind of judgement
The Anesthesia machine machine control leak testing method of method.
Background technology
In closed anesthesia machine, machine control leak-testing is very important one, must be detected in startup self-detection
Project, if leakage rate is exceeded, Anesthesia machine cannot normal work.The conventional method of machine control leak-testing is：In air flue
During pressure 3KPa~4KPa, a period of time is maintained, observe the decline situation of pressure, according to Anesthesia machine compliance value, calculated and let out
Leakage quantity, minute leakage rate=compliance C × pressure variety Δ P/ time t × 60, wherein, compliance refers under external force
The expansivity of elastic fibrous tissue, is that the volume produced by the per unit pressure change measured under quiescent conditions changes, and is that analysis is exhaled
The Static State Index of desorption system elastic resistance.When needing to carry out machine control leak-testing, by driving gas to inflation outside folding capsule, and
It is pressed downward folding capsule, so that fold intraluminal pressure raising, i.e., airway pressure is raised, when Anesthesia machine starts test, it is necessary to gas
Pressure is 3KPa~4KPa in road；If start inflation when fold capsule be not full of, at this moment driving gas be pressed downward fold capsule can
Airway pressure can be made not reach 3KPa~4KPa, so need folding capsule that full state is in before machine control leak-testing, from
And cause that whether inspection folds capsule full of with regard to turning into an important operation.
At present, whether it is only that prompting is full of capsule is folded in Anesthesia machine machine control leak-testing, and folds capsule full of being
Completed according to operator's observation, do not tested, adopted and following defect at least occurs in this way：1st, operator loses
Forget to check the full state for folding capsule so that during folding capsule may enter Anesthesia machine machine control leak-testing under underfill state,
The test accuracy of influence machine control leak-testing；2nd, manual observation can not reach the state of entirely accurate, that is, folding capsule still has
During Anesthesia machine machine control leak-testing may be entered under underfill state, the test accuracy of machine control leak-testing is influenceed.
The content of the invention
One object of the present invention, is to provide a kind of judgement to fold the method that capsule is full of, by the detectable folding of the method
Whether folded capsule is full of, and overcome causes the inaccurate problem of Anesthesia machine machine control leak-testing due to folding capsule underfill.
Another object of the present invention, is to provide a kind of judgement to fold the method that capsule is full of, and it can not increase additionally
Complete to fold the test whether capsule is full of in the case of test device, both met the quality requirement of test, can also save test
Cost.
Another object of the present invention, is to provide a kind of Anesthesia machine machine control leak testing method, and the method is to fold
The test that capsule is carried out on the premise of being full of, test accuracy is high.
It is that, up to this purpose, the present invention uses following technical scheme：
It is a kind of to judge to fold the method that capsule is full of, comprise the following steps：
Step A, control unit control Anesthesia machine are to folding capsule inflation；
Step B, pressure sensing cell detection fold intracapsular pressure value；
Step C, comparing unit make the airway pressure force value that the pressure value that step B is surveyed is produced with the gravity folded when capsule is full of
Compare, if the pressure value is more than or equal to the airway pressure force value, judging unit judges that folding capsule is full of, if the pressure
Value is less than the airway pressure force value, then judging unit judges to fold capsule underfill.
Used as a kind of preferred scheme for judging to fold the method that capsule is full of, the pressure sensing cell is airway pressure
Sensor.
A kind of Anesthesia machine machine control leak testing method, comprises the following steps：
Step S10, control unit control Anesthesia machine detect that folding is intracapsular to folding capsule inflation by pressure sensing cell
Pressure value；
Compare：
Step S21, comparing unit make surveyed pressure value compare with the first preset pressure threshold value；
If step S22, the pressure value are more than or equal to the first preset pressure threshold value, judging unit judges to fold
Capsule is full of, and performs step S30；
If step S23, the pressure value are less than the first preset pressure threshold value, judging unit judges that folding capsule does not fill
It is full, perform step S40；Or,
Step S21, comparing unit make surveyed pressure value with the first preset pressure threshold value and the second preset pressure threshold value point
It is not compared；
If step S22, the pressure value are less than the first preset pressure threshold value, and default more than or equal to described second
Pressure threshold, then perform step S30 or perform step S40；
If step S23, the pressure value are less than the second preset pressure threshold value, step S40 is performed；
If step S24, the pressure value are more than or equal to the first preset pressure threshold value, judging unit judges to fold
Capsule is full of, and performs step S30；
Step S30, into machine control leak-testing state；
Step S40, control unit control Anesthesia machine continue to inflate to folding capsule, and repeat step S20.
Used as a kind of preferred scheme of the Anesthesia machine machine control leak testing method, the first preset pressure threshold value is not small
The airway pressure force value that gravity when the folding capsule is full of is produced.
Used as a kind of preferred scheme of the Anesthesia machine machine control leak testing method, control unit is led in the step S40
Crossing quick offering oxygen way makes folding capsule continue to inflate.Further, control unit control portion support device passes through quick offering oxygen way
Folding capsule is set to continue to inflate.
As a kind of preferred scheme of the Anesthesia machine machine control leak testing method, control unit control in the step S40
Anesthesia machine processed continues to inflate to folding capsule, and controls gas flow by electronic flowmeter.
Used as a kind of preferred scheme of the Anesthesia machine machine control leak testing method, the pressure sensing cell is airway pressure
Force snesor.
Used as a kind of preferred scheme of the Anesthesia machine machine control leak testing method, the pressure sensing cell is located at institute
State the pressure sensor of electronic flowmeter rear end.
Contrast prior art, beneficial effects of the present invention：
1st, the present invention detects by folding intracapsular pressure value, and the pressure value that will be measured with when folding capsule and being full of
The airway pressure force value that produces of gravity be compared, can detect whether folding capsule is full of, it is to avoid do not have due to folding capsule
Full of the problem for causing leak-testing inaccurate.
2nd, detected to folding intracapsular pressure value present invention preferably employs airway pressure sensor, airway pressure sensing
Device is existing equipment, therefore is minimized on the cost implemented；
3rd, Anesthesia machine machine control leak testing method of the invention, the method is the survey carried out on the premise of folding capsule is full of
Examination, enables airway pressure to reach requirement, and then cause that test accuracy is high.
Brief description of the drawings
Fig. 1 is the scheme of installation of folding capsule of the present invention；
Fig. 2 is the execution schematic diagram of the Anesthesia machine machine control leak-testing described in embodiment one；
Fig. 3 is the execution schematic diagram of the Anesthesia machine machine control leak-testing described in embodiment two.
In figure：
1st, capsule is folded；2nd, bellows；3rd, airway pressure sensor.
Specific embodiment
Technical scheme is further illustrated below by specific embodiment.
As shown in figure 1, when Anesthesia machine machine control leak-testing is carried out, by driving the gas aweather interior inflation of case 2, gas enters
Enter bellows and be pressed downward folding capsule 1, so that folding pressure rise in capsule 1, communicated with air flue due to folding the inside of capsule 1, so that
Airway pressure is raised, and then obtains required airway pressure.Preparation before Anesthesia machine machine control leak-testing should make folding
Capsule 1 is in full state, so that airway pressure meets the requirements, and then ensures the accuracy of test.
Embodiment one：
As shown in Fig. 2 a kind of Anesthesia machine machine control leak testing method, comprises the following steps：
Step S10, control unit control Anesthesia machine are inflated by portion support device to folding capsule, and by pressure sensing cell
Detection folds intracapsular pressure value；In this step, detected by airway pressure sensor and fold intracapsular pressure value；
Step S20, comparing unit make surveyed pressure value compare with the first preset pressure threshold value；
If step S21, the pressure value are more than or equal to the first preset pressure threshold value, judging unit judges to fold
Capsule is full of, and performs step S30；
If step S22, the pressure value are less than the first preset pressure threshold value, judging unit judges that folding capsule does not fill
It is full, perform step S40；First preset pressure threshold value is relevant with the material and the factor such as volume that fold capsule, and the first of the present embodiment
Preset pressure threshold value is 2cmH2O。
Step S30, into machine control leak-testing state；
Step S40, control unit control Anesthesia machine continue to inflate by portion support device to folding capsule, and repeat step S20.
In the present embodiment, control unit control portion support device makes folding capsule continue to inflate by quick offering oxygen way.Certain this area skill
Art personnel be understandable that：Inflate by the way of for live gas folding capsule.
Embodiment two：
As shown in figure 3, a kind of Anesthesia machine machine control leak testing method, comprises the following steps：
Step S100, control unit control Anesthesia machine are inflated by portion support device to folding capsule, and by pressure detecting list
Unit's detection folds intracapsular pressure value；In this step, detected by airway pressure sensor and fold intracapsular pressure value；
Step S200, comparing unit make surveyed pressure value with the first preset pressure threshold value and the second preset pressure threshold value point
It is not compared；
If step S201, the pressure value are less than the first preset pressure threshold value, and pre- more than or equal to described second
If pressure threshold, then perform step S300 or perform step S400；
If step S202, the pressure value are less than the second preset pressure threshold value, step S400 is performed；
If step S202, the pressure value are more than or equal to the first preset pressure threshold value, judging unit judges folding
Folded capsule is full of, and performs step S300；Material and volume of first preset pressure threshold value, the second preset pressure threshold value and folding capsule etc.
Factor is relevant, and the first preset pressure threshold value of the present embodiment is 2cmH2O, the second preset pressure threshold value are 1.5cmH2O。
Step S300, into machine control leak-testing state；
Step S400, control unit control Anesthesia machine continue to inflate by portion support device to folding capsule, and repeat step
S200.In the present embodiment, control unit control portion support device makes folding capsule continue to inflate by quick offering oxygen way.
Two above-mentioned embodiments be ensure fold capsule be in be full of on the premise of, carry out machine control leak-testing so that
The accuracy of test result can effectively be ensured.
Know-why of the invention is described above in association with specific embodiment.These descriptions are intended merely to explain of the invention
Principle, and can not by any way be construed to limiting the scope of the invention.Based on explanation herein, the technology of this area
Personnel associate other specific embodiments of the invention by would not require any inventive effort, these modes fall within
Within protection scope of the present invention.
Claims (7)
1. it is a kind of to judge to fold the method that capsule is full of, it is characterised in that to comprise the following steps：
Step A, control unit control Anesthesia machine are to folding capsule inflation；
Step B, pressure sensing cell detection fold intracapsular pressure value；
Step C, comparing unit make the airway pressure force value ratio that the pressure value that step B is surveyed is produced with the gravity folded when capsule is full of
Compared with if the pressure value is more than or equal to the airway pressure force value, judging unit judges that folding capsule is full of, if the pressure value
Less than the airway pressure force value, then judging unit judgement folds capsule underfill.
2. it is according to claim 1 to judge to fold the method that capsule is full of, it is characterised in that the pressure sensing cell is gas
Road pressure sensor.
3. a kind of Anesthesia machine machine control leak testing method, it is characterised in that comprise the following steps：
Step S10, control unit control Anesthesia machine fold intracapsular pressure to folding capsule inflation, and being detected by pressure sensing cell
Force value；
Step S20, compare：
Step S21, comparing unit make surveyed pressure value compare with the first preset pressure threshold value；
If step S22, the pressure value are more than or equal to the first preset pressure threshold value, judging unit judges that folding capsule fills
It is full, perform step S30；
If step S23, the pressure value are less than the first preset pressure threshold value, judging unit judges to fold capsule underfill,
Perform step S40；Or,
Step S21, comparing unit make surveyed pressure value enter respectively with the first preset pressure threshold value and the second preset pressure threshold value
Row compares；
If step S22, the pressure value are less than the first preset pressure threshold value, and more than or equal to second preset pressure
Threshold value, then perform step S30 or perform step S40；
If step S23, the pressure value are less than the second preset pressure threshold value, step S40 is performed；
If step S24, the pressure value are more than or equal to the first preset pressure threshold value, judging unit judges that folding capsule fills
It is full, perform step S30；
Step S30, into machine control leak-testing state；
Step S40, control unit control Anesthesia machine continue to inflate to folding capsule, and repeat step S20；
The airway pressure force value that gravity when the first preset pressure threshold value is full of not less than the folding capsule is produced.
4. Anesthesia machine machine control leak testing method according to claim 3, it is characterised in that controlled in the step S40
Unit makes folding capsule continue to inflate by quick offering oxygen way.
5. Anesthesia machine machine control leak testing method according to claim 3, it is characterised in that controlled in the step S40
Unit controls Anesthesia machine to continue to inflate to folding capsule, and controls gas flow by electronic flowmeter.
6. Anesthesia machine machine control leak testing method according to claim 3, it is characterised in that the pressure sensing cell is
Airway pressure sensor.
7. Anesthesia machine machine control leak testing method according to claim 5, it is characterised in that the pressure sensing cell is
Located at the pressure sensor of the electronic flowmeter rear end.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210592739.7A CN103913280B (en) | 2012-12-29 | 2012-12-29 | Judge to fold method and the Anesthesia machine machine control leak testing method that capsule is full of |
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| CN201210592739.7A CN103913280B (en) | 2012-12-29 | 2012-12-29 | Judge to fold method and the Anesthesia machine machine control leak testing method that capsule is full of |
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| CN103913280B true CN103913280B (en) | 2017-05-31 |
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| CN104880284B (en) * | 2014-02-28 | 2019-10-29 | 北京谊安医疗系统股份有限公司 | Interior airtight test device |
| CN104880281B (en) * | 2014-02-28 | 2019-10-29 | 北京谊安医疗系统股份有限公司 | Outer airtight test device |
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| CN101413841A (en) * | 2007-10-16 | 2009-04-22 | 上海衡仪器厂有限公司 | Method and device for rapidly detecting sealability of plastic bag packaging seal |
| CN101592547A (en) * | 2008-05-27 | 2009-12-02 | 北京谊安医疗系统股份有限公司 | The method of anesthesia machine system Leak Detection |
| JP5252307B2 (en) * | 2009-07-01 | 2013-07-31 | Ｓｍｃ株式会社 | Leak detection mechanism and detection method for fluid pressure system |
| CN102235936B (en) * | 2010-04-27 | 2013-06-26 | 联合汽车电子有限公司 | Airtightness test method for automobile electronic control unit shells and airtightness tester |
| CN102012243A (en) * | 2010-09-26 | 2011-04-13 | 深圳市百格医疗技术有限公司 | Method for detecting gas leakage quantity of medical instrument with respiration loop |
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