CN204017086U - No supply and monitoring device and respiratory system - Google Patents
No supply and monitoring device and respiratory system Download PDFInfo
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- CN204017086U CN204017086U CN201420334958.XU CN201420334958U CN204017086U CN 204017086 U CN204017086 U CN 204017086U CN 201420334958 U CN201420334958 U CN 201420334958U CN 204017086 U CN204017086 U CN 204017086U
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- suction line
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- respirator
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Abstract
NO supply and monitoring device and respiratory system, described NO supply and monitoring device and respirator with the use of, wherein respirator outer setting has the suction line be connected with patient, and described NO supply and monitoring device comprise: the gas flowmeter arranged at the suction line near-end of respirator and NO add entrance; NO feed unit, has NO transfer pipeline, and NO transfer pipeline has NO port and NO delivery outlet, and NO delivery outlet and NO add entrance and be connected; The gas concentration inspect thief hatch that the nearly patient end of suction nozzle is arranged; And concentration monitor unit.Utilize this utility model NO to supply and monitoring device, carrying out disease treatment for sucking NO gas after assembling with existing respirator, NO can be reduced and be oxidized to NO
2, the NO concentration of actual suction can be monitored again simultaneously, ensure inhaled NO therapy safety.
Description
Technical field
This utility model relates to and relates in general to respiratory system, especially relates to NO supply and the monitoring device of respiratory system.
Background technology
NO (nitric oxide) has unique Pulmonary Vascular selectivity, and this makes inhalation of low concentration NO become the critical treatment measure for the treatment of merging pulmonary hypertension and Acute Respiratory Distress patient.But due to NO itself toxicity and be easily oxidized to severe toxicity NO
2(nitrogen dioxide), its safe concentration scope is very little.Accurately control to suck the safety and effectiveness particular importance that NO concentration treats NO.Artificial being difficult to accurately configures suction NO concentration, and current NO therapeutic equipment can not reduce NO and be oxidized to NO
2, the NO concentration of actual suction can not be monitored simultaneously, easily cause danger.
Utility model content
An object of the present utility model be to provide a kind of with respirator with the use of NO supply and monitoring device, suck containing NO gas concentration for controlling and monitoring after assembling with existing respirator, ensure the safety of inhaled NO therapy.
According to of the present utility model with respirator with the use of NO supply and monitoring device, wherein respirator outer setting has the suction line be connected with patient, comprising:
Closing on the gas flowmeter that the suction line of respirator end is arranged;
The NO that the suction line of next-door neighbour's gas flowmeter downstream direction is arranged adds entrance;
NO feed unit, has NO transfer pipeline, and NO transfer pipeline and NO add entrance and be connected;
The gas sampling mouth that the suction line of closing on patient end is arranged; And
Concentration monitor unit, has gas sensor assemblies, and gas sensor assemblies is connected with gas sampling mouth by pipeline.
In a preferred embodiment of the present utility model, NO feed unit also comprises the first controller, first controller is connected with gas flowmeter, the NO supply flow rate that the first controller is carried to suction line according to the detected value control NO transfer pipeline of gas flowmeter.Under preferable case, NO transfer pipeline has NO port and NO delivery outlet, NO is used for being connected with NO source of the gas, NO delivery outlet and NO add entrance and are connected, pipeline between NO port and NO delivery outlet is in series with successively air relief valve, electromagnetic switch valve, electromagnetic proportional valve and NO effusion meter, pipeline between NO port and air relief valve is also provided with pressure transducer, and wherein pressure transducer, electromagnetic switch valve, electromagnetic proportional valve are connected with the first controller respectively with NO effusion meter.More preferably, in situation, NO port is two-way port in parallel, has mechanism for automatically switching between two-way port.
In another preferred embodiment of the present utility model, gas sensor assemblies comprises NO electrochemical sensor, NO
2electrochemical sensor and O
2electrochemical sensor.Under preferable case, NO sensor, NO
2sensor and O
2the range of sensor is respectively 0-100ppm, 0-20ppm and 0-100%.
In another preferred embodiment of the present utility model, the pipeline of concentration monitor unit between gas sampling mouth and gas sensor assemblies is provided with gas sample pump.
In another preferred embodiment of the present utility model, concentration monitor unit has sound and light alarm mechanism.
Another object of the present utility model is to provide a kind of respiratory system (instrument), when the disease treatment for sucking NO gas, can reduce NO and being oxidized to NO
2, the NO concentration of actual suction can be monitored again simultaneously, ensure safety.
According to respiratory system of the present utility model comprise respirator and NO supply and monitoring device, wherein respirator outer setting has the suction line is connected with patient, NO supply and monitoring device comprise:
Closing on the gas flowmeter that the suction line of respirator end is arranged;
The NO that the suction line of next-door neighbour's gas flowmeter downstream direction is arranged adds entrance;
NO feed unit, has NO transfer pipeline, and NO transfer pipeline and NO add entrance and be connected;
The gas sampling mouth that the suction line of closing on patient end is arranged; And
Concentration monitor unit, has gas sensor assemblies, and gas sensor assemblies is connected with gas sampling mouth by pipeline.
Of the present utility model with respirator with the use of NO supply and monitoring device, for inhaled NO therapy after assembling with existing respirator, NO can be reduced and be oxidized to NO
2, the NO concentration of actual suction can be monitored again simultaneously, ensure safety.
Accompanying drawing explanation
Fig. 1 is according to respiratory system overall structure schematic diagram of the present utility model.
Detailed description of the invention
Describing respiratory system of the present utility model and NO supply thereof and monitoring device in detail below in conjunction with accompanying drawing, it will be appreciated by those skilled in the art that embodiment described below is only to exemplary illustration of the present utility model, but not for making any restriction to it.
As shown in Figure 1, respiratory system of the present utility model (instrument) mainly comprise respirator 16 and NO supply and monitoring device.Respirator 16 can be the respirator of existing universal models, can be connected with air or oxygen supply source, is used for supplying air or oxygen to patient 21.NO supply and monitoring device are used for supplying NO and NO concentration in Real-Time Monitoring suction gas to patient 21.
Respirator 16 has air entry 17 and exhalation vents 18, and air entry 17 is connected with outside suction line 27, and exhalation vents 18 is connected with outside expiration pipeline 19.Suction line 27 is connected by Y-shaped three-way pipe 20 with the end of expiration pipeline 19, and the 3rd end of tee T 20 can be connected to the pulmonary of patient 21.Respirator 16 supplies air or oxygen by air entry 17 in suction line 27, is discharged the breath of patient 21 by exhalation vents 18.
NO supply and monitoring device mainly comprise gas flowmeter 24, NO feed unit and concentration monitor unit.Wherein gas flowmeter 24 be arranged on close on respirator 16 air entry 17 suction line 27 on, be used for detecting the inspiration capacity of individual patients.The suction line 27 of gas flowmeter 24 downstream direction is provided with NO and adds entrance 28.NO feed unit has NO transfer pipeline 26, NO transfer pipeline 26 and has NO port 1 and NO delivery outlet, and NO port 1 is connected with NO source of the gas, and NO delivery outlet and NO add entrance 28 and be connected.The NO that NO transfer pipeline 26 is carried carries to patient 21 after the outside of respirator 16 mixes with air or oxygen, thus shortens the time of contact of NO and oxygen, decreases the oxidation of NO.
NO feed unit also has the first controller (the first central processing unit) 15, between the NO port 1 and NO delivery outlet of NO transfer pipeline 26, be in series with air relief valve 4, electromagnetic switch valve 5, electromagnetic proportional valve 6 and NO effusion meter 7 successively, the pipeline between NO port 1 and air relief valve 4 is also provided with pressure transducer 3.Wherein pressure transducer 3, electromagnetic switch valve 5, electromagnetic proportional valve 6 and NO effusion meter 7 are connected with the first controller 15 respectively.NO port 1 is two-way port in parallel, and two-way port is connected with two NO sources of the gas respectively, and two-way port has mechanism for automatically switching 2.Second source of the gas can be automatically switched to supply NO after first NO source gas is finished, thus first NO source of the gas can be convenient for changing, ensure, incessantly to respiratory system supply NO gas, to improve the safety of respiratory system.First controller 15 is also electrically connected with gas flowmeter 24, with the individual patients inspiration capacity size detected according to gas flowmeter 24 and the predetermined NO inhaled concentration of therapeutic scheme, by calculating automatic control electric magnetic switch valve 5, electromagnetic proportional valve 6 and NO effusion meter 7 afterwards, thus carry the NO of predetermined amount of flow to suction line 27.
Concentration monitor unit has gas sensor assemblies, and gas sensor assemblies is connected with the gas sampling mouth 22 be arranged in suction line 27 by pipeline.Gas sampling mouth 22 is arranged in the suction line 27 of closing on tee T 20, can ensure that the gas concentration that the gas concentration of detection and patient 21 finally suck is consistent as far as possible like this.
Gas sensor assemblies comprises NO electrochemical sensor, NO
2electrochemical sensor and O
2electrochemical sensor.Because in therapeutic treatment, the inhaled concentration of NO is very little, the sensors of large measurement range of therefore general industry can not be suitable for.The NO electrochemical sensor of this gas sensor assemblies, NO
2electrochemical sensor and O
2electrochemical sensor can only adopt and be suitable for the clinical gas sensor of certain medical, and the range of three is controlled as 0-100ppm, 0-20ppm and 0-100%, thus very accurately can measure NO, the NO of the denier in mist
2gas concentration.Three adopts electrochemical sensor usually, and electrochemical sensor cost is lower, be quick on the draw, and result is accurate.
Pipeline between gas sampling mouth 22 and gas sensor assemblies is provided with gas sample pump 9, the sample flow of gas sample pump 9 can regulate, generally be set as 300ml/min, controlling such sample rate had both avoided sampling too much to affect patient ventilation's amount, can meet again the response speed of sensor cluster.In order to more convenient control gas sample pump 9 gathers gas from suction line 27, concentration monitor unit can also have second controller (the second central processing unit) 29, the pipeline between gas sampling mouth 22 and gas sensor assemblies has been arranged in series electromagnetic valve 8 with gas sample pump 9 and has sampled air-flow gauge 10.Electromagnetic valve 8, gas sample pump 9 and sampling air-flow gauge 10 are electrically connected with second controller 29 respectively.Second controller 29 can Controlling solenoid valve 8, gas sample pump 9 and sampling air-flow gauge 10 detect with predetermined flow velocity collection gas, and sample rate can regulate automatically.Second controller 29 is also connected with sound and light alarm mechanism usually.When the gas concentration detected exceedes predetermined scope, sound and light alarm mechanism can send alarm signal.
Concentration monitor unit is also provided with Waste gas outlet 14, be used for by detect after gas outwards discharge.Waste gas outlet 14 can be connected with emission-control equipment, and emission-control equipment discharges after absorbing process to the harmful components in waste gas in environment again.
In addition, on NO adds between entrance 28 and gas sampling mouth 22 suction line 27, humidifier 23 is also provided with.Humidification and preheating can be carried out to mixed gas by humidifier 23, thus be more suitable for patient's suction.
NO of the present utility model supply and monitoring device can assemble with existing respirator after for inhaled NO therapy, do not need the respirator unit that outfit is special, thus can equipment cost be reduced, improve clinical compatibility.
Usually all comprise microprocessor, display unit, input block and control circuit at the first controller 15 of the present utility model and second controller 29, can receive with processing signals and send control instruction.In above-described embodiment, the NO feed unit of respiratory system is two self-contained units separated with concentration monitor unit, thus is conducive to changing, keeping in repair and assembling.Certainly, it should be appreciated by those skilled in the art that in other embodiments, the first controller 15 and second controller 29 also can be integrated into a controller, thus make NO feed unit and concentration monitor unit become a single unit system.Those skilled in the art be also to be understood that in another embodiment, and the first controller 15 in this utility model and second controller 29 can also omit, and also can be supplied flow velocity and gather gas flow by control NO by manual adjustment.
Claims (9)
1. NO supply and a monitoring device, be used for respirator with the use of, wherein respirator outer setting has the suction line be connected with patient, it is characterized in that, described device comprises:
Closing on the gas flowmeter that the suction line of respirator end is arranged;
The NO that the suction line of next-door neighbour's gas flowmeter downstream direction is arranged adds entrance;
NO feed unit, has NO transfer pipeline, and NO transfer pipeline and NO add entrance and be connected;
The gas sampling mouth that the suction line of closing on patient end is arranged; And
Concentration monitor unit, has gas sensor assemblies, and gas sensor assemblies is connected with gas sampling mouth by pipeline.
2. NO supply according to claim 1 and monitoring device, it is characterized in that, NO feed unit also comprises the first controller, and the first controller is connected with gas flowmeter, the NO supply flow rate that the first controller is carried to suction line according to the detected value control NO transfer pipeline of gas flowmeter.
3. NO supply according to claim 2 and monitoring device, it is characterized in that, NO transfer pipeline has NO port and NO delivery outlet, NO is used for being connected with NO source of the gas, NO delivery outlet and NO add entrance and are connected, pipeline between NO port and NO delivery outlet is in series with successively air relief valve, electromagnetic switch valve, electromagnetic proportional valve and NO effusion meter, pipeline between NO port and air relief valve is also provided with pressure transducer, and wherein pressure transducer, electromagnetic switch valve, electromagnetic proportional valve are connected with the first controller respectively with NO effusion meter.
4. NO supply according to claim 3 and monitoring device, it is characterized in that, NO port is two-way port in parallel, has mechanism for automatically switching between two-way port.
5. NO supply according to claim 1 and monitoring device, it is characterized in that, gas sensor assemblies comprises NO electrochemical sensor, NO
2electrochemical sensor and O
2electrochemical sensor.
6. NO supply according to claim 5 and monitoring device, is characterized in that, NO sensor, NO
2sensor and O
2the range of sensor is respectively 0-100ppm, 0-20ppm and 0-100%.
7. NO supply according to claim 1 and monitoring device, is characterized in that, the pipeline of concentration monitor unit between gas sampling mouth and gas sensor assemblies is provided with gas sample pump.
8. NO supply according to claim 1 and monitoring device, it is characterized in that, concentration monitor unit has sound and light alarm mechanism.
9. a respiratory system, is characterized in that, comprise respirator and NO supply and monitoring device, wherein respirator outer setting has the suction line is connected with patient, NO supply and monitoring device comprise:
Closing on the gas flowmeter that the suction line of respirator end is arranged;
The NO that the suction line of next-door neighbour's gas flowmeter downstream direction is arranged adds entrance;
NO feed unit, has NO transfer pipeline, and NO transfer pipeline and NO add entrance and be connected;
The gas sampling mouth that the suction line of closing on patient end is arranged; And
Concentration monitor unit, has gas sensor assemblies, and gas sensor assemblies is connected with gas sampling mouth by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420334958.XU CN204017086U (en) | 2014-06-20 | 2014-06-20 | No supply and monitoring device and respiratory system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420334958.XU CN204017086U (en) | 2014-06-20 | 2014-06-20 | No supply and monitoring device and respiratory system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204017086U true CN204017086U (en) | 2014-12-17 |
Family
ID=52057002
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|---|---|---|---|
| CN201420334958.XU Active CN204017086U (en) | 2014-06-20 | 2014-06-20 | No supply and monitoring device and respiratory system |
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| CN (1) | CN204017086U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105159340A (en) * | 2015-08-20 | 2015-12-16 | 徐绍杰 | Convenient oxygen inhaler |
| CN105168240A (en) * | 2015-09-30 | 2015-12-23 | 徐绍杰 | NO gas-containing drug used for treating human pulmonary artery hypertension and drug delivery system |
| CN109069786A (en) * | 2016-05-04 | 2018-12-21 | 马林克罗特医疗产品知识产权公司 | The device and method of humidity regulation sample gas for patient respiratory circuit related with ventilator and/or carbon monoxide transportation system |
| CN111135406A (en) * | 2020-01-10 | 2020-05-12 | 宁波戴维医疗器械股份有限公司 | High-frequency respirator and ventilation control method thereof |
| CN113967222A (en) * | 2020-07-22 | 2022-01-25 | 张琪 | Nitric oxide gas medicine composition for treating respiratory severe diseases and administration device |
-
2014
- 2014-06-20 CN CN201420334958.XU patent/CN204017086U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105159340A (en) * | 2015-08-20 | 2015-12-16 | 徐绍杰 | Convenient oxygen inhaler |
| CN105168240A (en) * | 2015-09-30 | 2015-12-23 | 徐绍杰 | NO gas-containing drug used for treating human pulmonary artery hypertension and drug delivery system |
| CN105168240B (en) * | 2015-09-30 | 2018-03-09 | 刘平 | For treating the gaseous medication containing NO and delivery system of people's pulmonary hypertension |
| CN109069786A (en) * | 2016-05-04 | 2018-12-21 | 马林克罗特医疗产品知识产权公司 | The device and method of humidity regulation sample gas for patient respiratory circuit related with ventilator and/or carbon monoxide transportation system |
| JP2019514462A (en) * | 2016-05-04 | 2019-06-06 | マリンクロット ホスピタル プロダクツ アイピー リミテッド | Apparatus and method for humidity regulating sample gas in a patient breathing circuit in conjunction with a ventilator and / or a nitric oxide delivery system |
| JP7099960B2 (en) | 2016-05-04 | 2022-07-12 | マリンクロット ホスピタル プロダクツ アイピー リミテッド | Devices and methods for humidity control of sample gas in patient breathing circuits in conjunction with ventilators and / or nitric oxide delivery systems |
| CN111135406A (en) * | 2020-01-10 | 2020-05-12 | 宁波戴维医疗器械股份有限公司 | High-frequency respirator and ventilation control method thereof |
| CN111135406B (en) * | 2020-01-10 | 2023-08-08 | 宁波戴维医疗器械股份有限公司 | High-frequency breathing machine |
| CN113967222A (en) * | 2020-07-22 | 2022-01-25 | 张琪 | Nitric oxide gas medicine composition for treating respiratory severe diseases and administration device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |