CN102114290A - Method, device and system for detecting breathing machine - Google Patents
Method, device and system for detecting breathing machine Download PDFInfo
- Publication number
- CN102114290A CN102114290A CN2009102175902A CN200910217590A CN102114290A CN 102114290 A CN102114290 A CN 102114290A CN 2009102175902 A CN2009102175902 A CN 2009102175902A CN 200910217590 A CN200910217590 A CN 200910217590A CN 102114290 A CN102114290 A CN 102114290A
- Authority
- CN
- China
- Prior art keywords
- respirator
- gas passage
- gas
- flow rate
- expiration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a method, device and system for detecting a breathing machine. The device comprises a simulated lung 10, a gas pressure sensor 8, a first gas passage 11 and a second gas passage 12, wherein the gas pressure sensor 8 is arranged in a third gas passage 13 which is connected with the simulated lung 10, and is used for detecting the gas pressure in the third gas passage 13; one end of the first gas passage 11 is connected to the third gas passage 13, and the other end of the first gas passage 11 is connected to an inspiration end 1 of the breathing machine; one end of the second gas passage 12 is connected to the third gas passage 13, and the other end of the second gas passage 12 is connected to an expiration end 2 of the breathing machine; and a first gas flow rate sensor 5 and a second gas flow rate sensor 6 are respectively arranged in the first gas passage 11 and the second gas passage 12. By using the invention, various parameters of the breathing machine can be better detected.
Description
Technical field
The present invention relates to a kind of detection method, equipment and system of respirator.
Background technology
Respirator is first aid and a therapeutic equipment commonly used clinically, and it can support for the patient provides to breathe, even can substitute human body fully and ventilate.Because the use object of respirator is mainly critical state of an illness patient, therefore, guarantees the stability and the reliability of respirator work, be to reduce medical-risk, ensure medical safety prerequisite and needs.Medical department must be detected output parameter, reliability and the security performance of respirator and be checked before using respirator.
The respirator checkout equipment in the engineering in medicine field and armarium calibrating metering field obtained using comparatively widely.Certifier FAPlus as PF-300, the TSI of QA-VTM, the Imtmedical of the VT-PLUS of FLUKE and VT-Mobile, METRON.These checkout equipments adopt identical detection method, can both detect the s main working parameters of respirator.
At present, the detection to respirator relates generally to three aspects:
1, the detection of respirator s main working parameters: aforementioned respirator checkout equipment to the detection method of respirator s main working parameters as shown in Figure 1.Detector is serially connected between Y-type three way type and the test lung,, can realizes the groundwork parameter and the output value of respirator are detected by monitoring stream the two-way airflow flow velocity and the airway pressure of instrument after testing.Detector adopts the bidirectional flow speed sensors, when air-flow when breathing circuit flows to test lung, air-flow velocity get on the occasion of, this is an inspiratory flow rate.When air-flow when test lung flows to breathing circuit, this flow velocity is an exhalation flow rate.
When the detected flow velocity of detector by zero or negative value increase on the occasion of the time, can assert that current respiratory movement transfers inspiratory phase to by expiratory phase; And when flow velocity by when being reduced to negative value, can assert that current respiratory movement transfers expiratory phase to by inspiratory phase.An inspiratory phase and an expiratory phase in succession are a complete breathing cycle altogether.Like this,, cooperate the increase and decrease of airway pressure, can realize the measurement of respiratory frequency, inspiratory duration, expiratory duration, breath holding time, these time control parameters of expiratory apnea time by judging the positive and negative and change in flow situation of numerical value of flow velocity.
By the flow velocity that is in inspiratory duration section, expiratory duration section is carried out integration, can realize measurement to air-breathing tidal volume, expiration tidal volume; By detection, can realize detection to inspiration peak flow velocity and expiration peak velocity to the positive and negative peak value of flow velocity; By detection, can realize detection to inspiration peak pressure to the airway pressure peak value; By the airway pressure that is in the breath holding time section is detected, can realize the detection of air-breathing plateau pressure; By the airway pressure that is in the expiratory apnea time period is detected, can realize the measurement of end expiratory positive pressure.
According to parameters such as the inspiration peak pressure that measures, plateau pressure, tidal volume, inspiratory flow rates, can calculate compliance and these two mechanics of breathing indexs of airway resistance of lung.
Above-mentioned detection method as shown in Figure 2.
2, gas leakage is measured: because system shown in Figure 1 can't be measured the flow velocity in air-breathing loop and expiration loop respectively, therefore, adopt this method of attachment not measure system's gas leakage situation.So leak-testing is carried out in general employing method of attachment as shown in Figure 3.
Method of testing is with the loop certain pressure level of pressurizeing, and measures the decrease of the circuit pressure in the certain hour section then.With the pressure decline amount in the unit interval as gas leakage index.
This method can only the static measurement test lung or the air-tightness of pressure vessel.Can not reflect the real-time gas leakage situation in the middle of the work process in the loop.
3, elementary streams is measured: the respirator with flow velocity triggering function can continue stable flow velocity of output from suction end in expiratory phase, be used to detection patient autonomous respiration to make great efforts to provide the biasing flow velocity.In the respirator work process, the circulation path of elementary streams as shown in Figure 4.
VT-PLUS in the aforementioned respiration detection equipment can Fundamentals of Measurement flow, but needs to adopt method as shown in Figure 5.In this case, the measurement of needs interruption respirator routine work parameter perhaps can only be measured inspiratory flow rate, and can not be detected exhalation flow rate, thereby can not calculate a few thing parameter (such as expiration tidal volume, expiration peak velocity etc.) of expiratory phase.Thereby bring limitation and inconvenience for real-time Fundamentals of Measurement stream.
The problem that can not measure in real time air leakage or elementary streams when in the correlation technique respirator being detected does not propose effective solution at present as yet.
Summary of the invention
The problem that can not measure in real time air leakage or elementary streams when in the correlation technique respirator being detected and propose the present invention, for this reason, main purpose of the present invention is to provide a kind of detection method of respirator, to address the above problem.
To achieve these goals, according to an aspect of the present invention, provide a kind of checkout equipment of respirator.
Detection, equipment and system approach according to respirator of the present invention comprise: test lung, under the control of respirator, carry out air-breathing or the expiration operation; Gas pressure sensor is arranged in the 3rd gas passage that is connected with test lung, and the gas pressure of input and output gas in the 3rd gas passage is detected; First gas passage, an end is connected in the 3rd gas passage, and the other end is connected in the suction end of respirator; Second gas passage, an end is connected in the 3rd gas passage, and the other end is connected in the expiration end of respirator, wherein, is respectively arranged with first air flow rate sensor and second air flow rate sensor in first gas passage and second gas passage.
Preferably, first gas passage is an air intake passage, opens when test lung is carried out suction operation, and first air flow rate sensor detects the gas flow rate in first gas passage; Second gas passage is an exhalation passages, opens when test lung is exhaled operation, and second air flow rate sensor detects the gas flow rate in second gas passage.
Preferably, when test lung was carried out suction operation, gas pressure sensor detected the pressure of inspiration(Pi) of respirator; When test lung was exhaled operation, the pressure of inspiration(Pi) of 8 pairs of respirators of gas pressure sensor detected.
Preferably, first air flow rate sensor, second air flow rate sensor and gas pressure sensor 8 are connected via Y-type three way type, and lay respectively at three ends of Y-type three way type.
Preferably, first gas passage is connected with the suction end of respirator by the suction end of the checkout equipment of respirator; Second gas passage is connected with the expiration end of respirator by the expiration end of the checkout equipment of respirator.
To achieve these goals, according to a further aspect in the invention, provide a kind of detection system of respirator.
Detection system according to respirator of the present invention comprises: respirator has suction end and the end of exhaling; The checkout gear of respirator is provided with: first gas passage, be connected in suction end, and wherein be provided with first air flow rate sensor; Second gas passage is connected in the end of exhaling, and wherein is provided with second air flow rate sensor; Test lung cooperates respirator to carry out air-breathing or the expiration operation; The 3rd gas passage, an end is connected with second gas passage with first gas passage, and the other end is connected with test lung, wherein is provided with gas pressure sensor.
Preferably, first gas passage, second gas passage and the 3rd gas passage constitute Y-type three way type.
To achieve these goals, according to a further aspect in the invention, provide a kind of detection method of respirator.
Detection method according to respirator of the present invention comprises: detect by the air-breathing gas flow rate of first air flow rate sensor to respirator; Detect by the expiration gas flow velocity of second air flow rate sensor respirator; Respectively the air-breathing gas pressure and the expiration gas pressure of respirator are detected by gas pressure sensor.
Preferably, when being air-breathing, first air flow rate sensor detects the air-breathing gas flow rate of respirator at respirator, and gas pressure sensor detects the inspiratory duration section airway pressure of respirator; When respirator was expiration, second air flow rate sensor detected the expiration gas flow velocity of respirator, and gas pressure sensor detects the expiratory duration section airway pressure of respirator.
Checkout equipment of the present invention comprises: test lung; Gas pressure sensor is arranged in the 3rd gas passage that is connected with test lung, and the 3rd gas passage gas inside pressure is detected; First gas passage, an end is connected in the 3rd gas passage, and the other end is connected in the suction end of respirator; Second gas passage, an end is connected in the 3rd gas passage, and the other end is connected in the expiration end of respirator, wherein, is respectively arranged with first air flow rate sensor and second air flow rate sensor in first gas passage and second gas passage.By the present invention, solved when respirator detected the problem that to measure in real time air leakage and elementary streams, and then reached better the effect that the parameters to respirator detects.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the fundamental diagram according to the respiration detection equipment of correlation technique;
Fig. 2 is the sketch map that carries out breathing cycle detection and respirator s main working parameters detection principle according to the respiration detection equipment of correlation technique;
Fig. 3 is according to the common leak detection method sketch map of the respiration detection equipment of correlation technique;
Fig. 4 is the circulation path sketch map according to elementary streams in the respirator work process of correlation technique;
Fig. 5 is the common elementary streams detection method of the respiration detection equipment sketch map according to correlation technique
Fig. 6 is the sketch map according to the checkout equipment of the respirator of the embodiment of the invention;
Fig. 7 is the flow chart according to the detection method of the respirator of the embodiment of the invention;
Fig. 8 is the sketch map that carries out breathing cycle detection and respirator s main working parameters detection principle according to the respiration detection equipment of the embodiment of the invention.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
According to embodiments of the invention, provide a kind of checkout equipment of respirator.
Fig. 6 is the sketch map according to the checkout equipment of the respirator of the embodiment of the invention.
As shown in Figure 6, the checkout equipment of this respirator comprises: test lung 10, under the control of respirator, carry out air-breathing or the expiration operation; Gas pressure sensor 8 is arranged in the 3rd gas passage 13 that is connected with test lung 10, and the 3rd gas passage 13 gas inside pressure are detected; First gas passage, 11, one ends are connected in the 3rd gas passage 13, and the other end is connected in the suction end 1 of respirator; Second gas passage, 12, one ends are connected in the 3rd gas passage 13, and the other end is connected in the expiration end 2 of respirator, wherein, are respectively arranged with first air flow rate sensor 5 and second air flow rate sensor 6 in first gas passage 11 and second gas passage 12.
Checkout equipment by above-mentioned respirator according to the embodiment of the invention, in respirator is operated in the inspiratory duration section, when the gas flow rate of input and output gas detects in to first gas passage 11, if the gas in second gas passage 12 also detects gas flow rate, illustrate that then there is gas leak phenomenon in the expiration end at respirator.Correspondingly, in respirator is operated in the expiratory duration section, when the gas flow rate of input and output gas detects in to second gas passage 12, if the gas in first gas passage 11 also detects gas flow rate, under the situation of getting rid of respirator output elementary streams, illustrate that then there is gas leak phenomenon in the suction end at respirator.Thereby, by technical scheme of the present invention, can be when the respirator suction end and the end of exhaling normally to be detected, the while is detected the gas leakage situation of respirator in real time.
Based on same reason, correspondingly, also can detect in real time by the gas leakage situation of top technical scheme to test lung.
Preferably, as shown in Figure 6, respirator suction end 1 is connected to the suction end 3 of checkout equipment, and the suction end 3 of checkout equipment is connected to inspiratory flow rate pick off 5, and inspiratory flow rate pick off 5 is connected to an end of Y-type three way type 7.Respirator expiration end 2 is connected to the expiration end 4 of checkout equipment, and the expiration end of checkout equipment is connected to exhalation flow rate pick off 6, and exhalation flow rate pick off 6 is connected to Y-type three way type 7 other ends.The 3rd end of Y-type three way type 7 is connected to airway pressure pick off 8, and the airway pressure pick off is connected to the test lung port 9 of checkout equipment, and the test lung port 9 of checkout equipment links to each other with test lung.
Fig. 7 is the flow chart according to the detection method of the respirator of the embodiment of the invention.
As shown in Figure 7, this method comprises:
Step S702, the air-breathing gas flow rate by 5 pairs of respirators of first air flow rate sensor detects;
Step S704, the expiration gas flow velocity by 6 pairs of respirators of second air flow rate sensor detects;
Step S706 detects the air-breathing gas pressure and the expiration gas pressure of respirator respectively by gas pressure sensor 8.
Preferably, when being air-breathing, the air-breathing gas flow rate of 5 pairs of respirators of first air flow rate sensor detects at respirator, and the air-breathing gas pressure of 8 pairs of respirators of gas pressure sensor detects; When respirator was expiration, the expiration gas flow velocity of 6 pairs of respirators of second air flow rate sensor detected, and the expiration gas pressure of 8 pairs of respirators of gas pressure sensor detects.
In embodiments of the invention, when respirator is in inspiratory phase, the flow velocity of the inspiratory flow rate pick off of flowing through is an inspiratory flow rate, and exhalation flow rate pick off indicating value is zero.When respirator was in expiratory phase, inspiratory flow rate pick off flow velocity was zero (perhaps being elementary streams), and exhalation flow rate pick off flow velocity is an exhalation flow rate.Like this, can carry out breathing cycle, inspiratory phase and expiratory phase by the situation of change of inspiratory flow rate and exhalation flow rate, hold one's breath, the identification of expiratory apnea, thereby realize the detection of respirator routine work parameter.
The embodiment of the invention also provides a kind of detection system of respirator.
Detection system according to the respirator of the embodiment of the invention comprises: respirator has suction end 1 and the end 2 of exhaling; The checkout gear of respirator is provided with: first gas passage 11, be connected in suction end 1, and wherein be provided with first air flow rate sensor 5; Second gas passage 12 is connected in the end 2 of exhaling, and wherein is provided with second air flow rate sensor 6; Test lung 10 is carried out air-breathing under the control of respirator or the expiration operation; The 3rd gas passage 13, one ends are connected with second gas passage 12 with first gas passage 11, and the other end is connected with test lung, wherein is provided with gas pressure sensor 8.
In the present invention, first gas passage 11, second gas passage 12 and the 3rd gas passage 13 constitute Y-type three way type.
Fig. 8 is the sketch map that carries out breathing cycle detection and respirator s main working parameters detection principle according to the respiration detection equipment of the embodiment of the invention.
As shown in Figure 8, by the gas flow rate curve chart as can be seen, the present invention can utilize two gas pressure sensors to come respectively exhalation flow rate and inspiratory flow rate to be detected.
Among pressure in Fig. 8 and the current curve figure, along with the generation of inspiratory flow rate, pressure of inspiration(Pi) progressively rises with inspiratory duration, reaches the inspiration peak pressure P
PeakSecondly, inspiratory flow rate makes zero, and enters the phase of holding one's breath, and the pressure of inspiration(Pi) of this moment is stable gradually, forms platform and presses P
PlatIn comprising the whole inspiratory duration section of the phase of holding one's breath, exhalation flow rate is zero; Afterwards, air-breathing end, the beginning of exhaling forms exhalation flow rate, and airway pressure descends rapidly, and during as if respirator output elementary streams, the inspiratory flow rate of this moment is an elementary streams, otherwise the inspiratory flow rate of this moment is zero; Finish when exhaling, but it is air-breathing when not beginning as yet, enter the expiratory apnea phase, if during respirator output elementary streams, the exhalation flow rate of this moment is an elementary streams, otherwise the exhalation flow rate of this moment is zero, the breath pressure of this moment is end expiratory positive pressure (Positive End Expiratory Pressure abbreviates PEEP as).
The elementary streams method for real-time measurement: in respirator was in the expiratory duration section, the passage that the eliminating respiratory air flow is flowed through existed under the situation of leaking, and inspiratory flow rate pick off real-time flow rate is the elementary streams real-time flow rate.
Preferably, exist under the situation of leaking at the passage that respiratory air flow is flowed through, inspiratory flow rate pick off real-time flow rate adds that the real-time flow rate of leakage current is the elementary streams real-time flow rate.
Gas leakage situation method for real-time measurement: when respirator was in inspiratory phase, if the exhalation flow rate pick off has flow velocity, then there was gas leakage in respirator expiration loop; When respirator is in expiratory phase but not at expiratory apnea in the phase, and respirator do not export under the situation of elementary streams, if the inspiratory flow rate pick off has reverse flow, then there is gas leakage in the air-breathing loop of respirator; When respirator is operated in expiratory phase and is in expiratory apnea in the phase and the output elementary streams, if the exhalation flow rate sensor values is significantly less than the inspiratory flow rate sensor values, then test lung has gas leakage.By said method, not only can detect the gas leakage state in real time, also can locate the position that gas leakage takes place, and characterize the size of air leakage with gas leakage flow velocity and working flow rate.
As can be seen from the above description, when the present invention can detect in the parameters such as gas flow rate to respirator, realize real-time detection to respirator air leakage and elementary streams.
The present invention can measure air leakage and elementary streams in real time.Air leakage detects in real time, in the accuracy and the stability of (under noinvasive ventilation or children's's ventilation situation) output services parameter under the gas leakage situation very important meaning is arranged to judging respirator.Simultaneously, in detection respirator routine work parameter, detect elementary streams in real time, help respirator manufacturer when debugging and check respirator, guarantee the accurate and stable of relevant parameter.
Detection method of the present invention can be implemented in when detecting respirator routine output parameter, detects elementary streams and respirator gas leakage situation in real time.And gas leakage position and the air leakage in the respirator work quantized.Thereby help analyzing and assessing respirator ensures accurate output parameter under the gas leakage condition ability.This is to debugging and detect respirator gas leakage compensate function and the very important a bit meaning of running parameter.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the checkout equipment of a respirator is characterized in that, comprising:
Test lung (10);
Gas pressure sensor (8) is arranged in the 3rd gas passage (13) that is connected with described test lung (10), and gas inside pressure in described the 3rd gas passage (13) is detected;
First gas passage (11), an end are connected in described the 3rd gas passage (13), and the other end is connected in the suction end (1) of described respirator;
Second gas passage (12), an end are connected in described the 3rd gas passage (13), and the other end is connected in the expiration end (2) of described respirator,
Wherein, in described first gas passage (11) and described second gas passage (12), be respectively arranged with first air flow rate sensor (5) and second air flow rate sensor (6).
2. equipment according to claim 1 is characterized in that,
Described first gas passage (11) is an air intake passage, is in opening when described test lung (10) cooperates respirator to carry out suction operation, and described first air flow rate sensor (5) detects the gas flow rate in described first gas passage (11);
Described second gas passage (12) is an exhalation passages, is in opening when described test lung (10) cooperates respirator to exhale operation, and described second air flow rate sensor (6) detects the gas flow rate in described second gas passage (12).
3. equipment according to claim 2 is characterized in that,
When described test lung (10) cooperated respirator to carry out suction operation, described second gas passage (12) was in closed condition because respirator expiration loop closes;
When described test lung (10) cooperated respirator to exhale operation, described first gas passage (11) was in closed condition because the air-breathing loop of respirator closes.
4. equipment according to claim 2 is characterized in that,
When described test lung (10) cooperated described respirator to carry out suction operation, described gas pressure sensor (8) detected the inspiratory duration section airway pressure of described respirator;
When described test lung (10) cooperated described respirator to exhale operation, described gas pressure sensor (8) detected the expiratory duration section airway pressure of described respirator.
5. according to each described equipment in the claim 1 to 4, it is characterized in that, described first air flow rate sensor (5), described second air flow rate sensor (6) and described gas pressure sensor (8) are connected via Y-type three way type, and lay respectively at three ends of described Y-type three way type.
6. according to each described equipment in the claim 1 to 4, it is characterized in that,
Described first gas passage (11) is connected with the suction end (1) of described respirator by the suction end (3) of the checkout equipment of described respirator;
Described second gas passage (12) is connected with the expiration end (2) of described respirator by the expiration end (4) of the checkout equipment of described respirator.
7. the detection system of a respirator is characterized in that, comprising:
Respirator has suction end (1) and the end (2) of exhaling;
The checkout gear of respirator is provided with:
First gas passage (11) is connected in described suction end (1), wherein is provided with first air flow rate sensor (5);
Second gas passage (12) is connected in described expiration end (2), wherein is provided with second air flow rate sensor (6);
Test lung (10) is carried out air-breathing under the control of described respirator or the expiration operation;
The 3rd gas passage (13), an end is connected with described second gas passage (12) with described first gas passage (11), and the other end is connected with described test lung, wherein is provided with gas pressure sensor (8).
8. system according to claim 7 is characterized in that,
Described first gas passage (11), described second gas passage (12) and described the 3rd gas passage (13) constitute Y-type three way type.
9. the detection method of a respirator is characterized in that, comprising:
Detect by the air-breathing gas flow rate of first air flow rate sensor (5) respirator;
Detect by the expiration gas flow velocity of second air flow rate sensor (6) described respirator;
Respectively the inspiratory duration section airway pressure and the expiratory duration section airway pressure of described respirator are detected by gas pressure sensor (8).
10. method according to claim 9 is characterized in that,
When being air-breathing, described first air flow rate sensor (5) detects the air-breathing gas flow rate of described respirator at described respirator, and described gas pressure sensor (8) detects the inspiratory duration section airway pressure of described respirator;
When described respirator was expiration, described second air flow rate sensor (6) detected the expiration gas flow velocity of described respirator, and described gas pressure sensor (8) detects the expiratory duration section airway pressure of described respirator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910217590.2A CN102114290B (en) | 2009-12-31 | 2009-12-31 | Method, device and system for detecting breathing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910217590.2A CN102114290B (en) | 2009-12-31 | 2009-12-31 | Method, device and system for detecting breathing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102114290A true CN102114290A (en) | 2011-07-06 |
| CN102114290B CN102114290B (en) | 2014-08-06 |
Family
ID=44213288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910217590.2A Active CN102114290B (en) | 2009-12-31 | 2009-12-31 | Method, device and system for detecting breathing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102114290B (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102495202A (en) * | 2011-12-21 | 2012-06-13 | 东南大学 | Human body respiratory performance parameter detection apparatus |
| CN103048155A (en) * | 2012-12-25 | 2013-04-17 | 重庆华渝电气仪表总厂 | Comprehensive performance detection system of breathing apparatus |
| CN103632597A (en) * | 2013-10-29 | 2014-03-12 | 中国人民解放军空军航空医学研究所 | Multipath simulation gas suction device |
| CN103736182A (en) * | 2013-12-12 | 2014-04-23 | 科迈（常州）电子有限公司 | Breathing machine |
| CN103893876A (en) * | 2012-12-27 | 2014-07-02 | 北京谊安医疗系统股份有限公司 | Power-on self-test method for pressure sensors of gas passages of anesthesia machines |
| CN103977493A (en) * | 2014-05-29 | 2014-08-13 | 北京航空航天大学 | Experimental platform for noninvasive ventilation leak detection |
| CN104880220A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | Test system used for breathing products |
| CN104874064A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | Automatic respirator production line turnover device |
| CN104874056A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | Respirator triggering time parameter monitoring method |
| CN104874057A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | Respirator fault detection method and system |
| CN104998328A (en) * | 2015-07-08 | 2015-10-28 | 湖南明康中锦医疗科技发展有限公司 | Simulated lung device and simulated lung device operating system |
| CN106798958A (en) * | 2017-02-24 | 2017-06-06 | 南通大学附属医院 | A kind of method that respiratory system gas leakage is precisely found based on lung ventilator waveform |
| CN107219046A (en) * | 2017-07-19 | 2017-09-29 | 上海德尔格医疗器械有限公司 | The test device and method of testing of a kind of respiratory siphon |
| WO2018028281A1 (en) * | 2016-08-11 | 2018-02-15 | 纳智源科技（唐山）有限责任公司 | Physiological sign simulator, and detection system of health monitoring product |
| CN109497949A (en) * | 2018-12-12 | 2019-03-22 | 深圳融昕医疗科技有限公司 | Detection method, device, ventilator and the storage medium of apnea type |
| CN110975089A (en) * | 2019-12-20 | 2020-04-10 | 广州和普乐健康科技有限公司 | Tidal volume calculation method and device, storage medium and breathing machine |
| CN112516541A (en) * | 2020-11-25 | 2021-03-19 | 常州利明屏蔽有限公司 | Auxiliary training system used before MR and CT examination |
| CN112755353A (en) * | 2021-01-20 | 2021-05-07 | 卫圣康医学科技(江苏)有限公司 | Airway management method and airway management system during tracheal intubation ventilation and breathing machine |
| CN114121250A (en) * | 2021-11-03 | 2022-03-01 | 湖南万脉医疗科技有限公司 | Safety detection method for breathing machine |
| WO2023045216A1 (en) * | 2021-09-27 | 2023-03-30 | 深圳市计量质量检测研究院 | Automatic measurement calibration method and device for ventilator, and storage medium |
| CN117073748A (en) * | 2023-07-19 | 2023-11-17 | 哈尔滨工业大学 | Measuring method for micro turbine external VT of small flow respirator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5937853A (en) * | 1995-11-16 | 1999-08-17 | Siemens Elema Ab | Ventilator for respiratory treatment |
| US6439229B1 (en) * | 2000-08-08 | 2002-08-27 | Newport Medical Instruments, Inc. | Pressure support ventilation control system and method |
| CN1764486A (en) * | 2003-03-24 | 2006-04-26 | 医疗电子工业应用公司(Saime) | Breathing assistance apparatus |
| US7086098B2 (en) * | 2002-03-05 | 2006-08-08 | Maquet Critical Care Ab | Mechanical breathing aid with adaptive expiration control |
| CN101467880A (en) * | 2007-12-28 | 2009-07-01 | 北京谊安医疗系统股份有限公司 | Method for improving tidal volume control and detection accuracy by introducing R value for calculation |
-
2009
- 2009-12-31 CN CN200910217590.2A patent/CN102114290B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5937853A (en) * | 1995-11-16 | 1999-08-17 | Siemens Elema Ab | Ventilator for respiratory treatment |
| US6439229B1 (en) * | 2000-08-08 | 2002-08-27 | Newport Medical Instruments, Inc. | Pressure support ventilation control system and method |
| US7086098B2 (en) * | 2002-03-05 | 2006-08-08 | Maquet Critical Care Ab | Mechanical breathing aid with adaptive expiration control |
| CN1764486A (en) * | 2003-03-24 | 2006-04-26 | 医疗电子工业应用公司(Saime) | Breathing assistance apparatus |
| CN101467880A (en) * | 2007-12-28 | 2009-07-01 | 北京谊安医疗系统股份有限公司 | Method for improving tidal volume control and detection accuracy by introducing R value for calculation |
Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102495202A (en) * | 2011-12-21 | 2012-06-13 | 东南大学 | Human body respiratory performance parameter detection apparatus |
| CN102495202B (en) * | 2011-12-21 | 2013-10-23 | 东南大学 | Human body respiratory performance parameter detection apparatus |
| CN103048155A (en) * | 2012-12-25 | 2013-04-17 | 重庆华渝电气仪表总厂 | Comprehensive performance detection system of breathing apparatus |
| CN103048155B (en) * | 2012-12-25 | 2015-05-13 | 重庆华渝电气仪表总厂 | Comprehensive performance detection system of breathing apparatus |
| CN103893876A (en) * | 2012-12-27 | 2014-07-02 | 北京谊安医疗系统股份有限公司 | Power-on self-test method for pressure sensors of gas passages of anesthesia machines |
| CN103893876B (en) * | 2012-12-27 | 2016-03-02 | 北京谊安医疗系统股份有限公司 | Anesthetic machine airway pressure sensor startup self-detection method |
| CN103632597A (en) * | 2013-10-29 | 2014-03-12 | 中国人民解放军空军航空医学研究所 | Multipath simulation gas suction device |
| CN103736182A (en) * | 2013-12-12 | 2014-04-23 | 科迈（常州）电子有限公司 | Breathing machine |
| CN104874064B (en) * | 2014-02-28 | 2018-07-06 | 北京谊安医疗系统股份有限公司 | Lung ventilator automatic assembly line turnover device |
| CN104874064A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | Automatic respirator production line turnover device |
| CN104874056A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | Respirator triggering time parameter monitoring method |
| CN104874057A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | Respirator fault detection method and system |
| CN104880220A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | Test system used for breathing products |
| CN103977493B (en) * | 2014-05-29 | 2016-08-17 | 北京航空航天大学 | Can be used for the experiment porch of invasive ventilation gas leakage detection |
| CN103977493A (en) * | 2014-05-29 | 2014-08-13 | 北京航空航天大学 | Experimental platform for noninvasive ventilation leak detection |
| CN104998328B (en) * | 2015-07-08 | 2017-05-10 | 湖南明康中锦医疗科技发展有限公司 | Simulated lung device and simulated lung device operating system |
| CN104998328A (en) * | 2015-07-08 | 2015-10-28 | 湖南明康中锦医疗科技发展有限公司 | Simulated lung device and simulated lung device operating system |
| WO2018028281A1 (en) * | 2016-08-11 | 2018-02-15 | 纳智源科技（唐山）有限责任公司 | Physiological sign simulator, and detection system of health monitoring product |
| CN106798958A (en) * | 2017-02-24 | 2017-06-06 | 南通大学附属医院 | A kind of method that respiratory system gas leakage is precisely found based on lung ventilator waveform |
| CN107219046B (en) * | 2017-07-19 | 2024-02-09 | 上海德尔格医疗器械有限公司 | Breathing tube testing device and testing method |
| CN107219046A (en) * | 2017-07-19 | 2017-09-29 | 上海德尔格医疗器械有限公司 | The test device and method of testing of a kind of respiratory siphon |
| CN109497949A (en) * | 2018-12-12 | 2019-03-22 | 深圳融昕医疗科技有限公司 | Detection method, device, ventilator and the storage medium of apnea type |
| CN110975089A (en) * | 2019-12-20 | 2020-04-10 | 广州和普乐健康科技有限公司 | Tidal volume calculation method and device, storage medium and breathing machine |
| CN112516541A (en) * | 2020-11-25 | 2021-03-19 | 常州利明屏蔽有限公司 | Auxiliary training system used before MR and CT examination |
| CN112755353B (en) * | 2021-01-20 | 2021-10-22 | 卫圣康医学科技(江苏)有限公司 | Airway management method and airway management system during tracheal intubation ventilation and breathing machine |
| CN112755353A (en) * | 2021-01-20 | 2021-05-07 | 卫圣康医学科技(江苏)有限公司 | Airway management method and airway management system during tracheal intubation ventilation and breathing machine |
| WO2023045216A1 (en) * | 2021-09-27 | 2023-03-30 | 深圳市计量质量检测研究院 | Automatic measurement calibration method and device for ventilator, and storage medium |
| CN114121250A (en) * | 2021-11-03 | 2022-03-01 | 湖南万脉医疗科技有限公司 | Safety detection method for breathing machine |
| CN114121250B (en) * | 2021-11-03 | 2023-12-19 | 湖南万脉医疗科技有限公司 | Safety detection method for breathing machine |
| CN117073748A (en) * | 2023-07-19 | 2023-11-17 | 哈尔滨工业大学 | Measuring method for micro turbine external VT of small flow respirator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102114290B (en) | 2014-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102114290B (en) | Method, device and system for detecting breathing machine | |
| CA2379353C (en) | A new method for continuous measurement of flux of gases in the lungs during breathing | |
| US8333191B2 (en) | Method and arrangement for detecting a leak in anesthesia system | |
| CN101340941B (en) | Method and apparatus for estimating lung volume at the end of exhalation | |
| US20060201507A1 (en) | Stand-alone circle circuit with co2 absorption and sensitive spirometry for measurement of pulmonary uptake | |
| CN103052420B (en) | Breathing system with flow estimation | |
| RU2540151C2 (en) | System and method for quantitative measurement of self-ventilating individual's lung compliance | |
| US20080257350A1 (en) | Respirator and method for calibrating flow rate measuring component thereof | |
| JP6808627B2 (en) | Systems and methods for detecting ventilator and patient separation using patient lung compliance estimated in both the inspiratory and expiratory phases of respiration | |
| US20150018694A1 (en) | Resuscitation assembly with peep valve | |
| WO1990000034A1 (en) | Oxygen consumption meter | |
| WO2009123976A1 (en) | Leak-compensated pressure triggering in medical ventilators | |
| CN103379856A (en) | System and method for determining carbon dioxide excreted during non-invasive ventilation | |
| US9943249B2 (en) | Respiratory gas monitor testing system and methods of use | |
| CN105496412B (en) | A kind of expiration inflammation monitoring method and device | |
| CN107949412A (en) | Breathing apparatus with the fault detect for flow sensor | |
| US6629933B1 (en) | Method and device for determining per breath the partial pressure of a gas component in the air exhaled by a patient | |
| CN111658918A (en) | Multi-respiration index synchronous measurement system and method | |
| CN218391088U (en) | Gas detection system of many respiratory tracts | |
| US10682073B2 (en) | Measurement device and method for human respiratory system function | |
| CN107242874B (en) | Flow sensor for measuring lung function, lung function tester and application | |
| CA2112382C (en) | Oxygen consumption meter | |
| CN115886784A (en) | Testing system and testing arrangement of diffusion lung function appearance | |
| JP2014511716A (en) | System and method for diagnosis of central apnea | |
| CN215841002U (en) | Air flow testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |