CN103083769B - full automatic infant oxygen supply controller - Google Patents
full automatic infant oxygen supply controller Download PDFInfo
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- CN103083769B CN103083769B CN201310034728.1A CN201310034728A CN103083769B CN 103083769 B CN103083769 B CN 103083769B CN 201310034728 A CN201310034728 A CN 201310034728A CN 103083769 B CN103083769 B CN 103083769B
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Abstract
Oxygen is one of material of mankind's necessity, but some can be caused to injure to people, especially to premature infant and neonate all the more so, and some serious consequences may be caused.Full automatic infant oxygen supply controller is made up of main controller, oxygen regulator, air conditioner, output gas regulator, selector switch, start/stop switch, oxygen follower, gas follower, air follower, duty instruction, flow detector.Can export three kinds of different gases (the empty gaseous mixture of oxygen, air, oxygen) to infant, the flow of whole-process automatic detected gas also can carry out automatic monitoring and adjustment, guarantees the oxygen intoxication preventing infant.This instrument not only can premature infant in infant incubator and neonate use, and the infant being simultaneously applicable to other place uses.
Description
Technical field
Full automatic infant oxygen supply controller belongs to medical apparatus and instruments.
Background technology
Biosphere, except minority anaerobe, as not having oxygen, biological just can not to be survived, and oxygen is topmost gas in human body respiration and metabolic process.But oxygen not " useful and harmless ": even if suck pure oxygen at ambient pressure within more than 4 hours, just to there will be upper respiratory tract stimulation phenomenon; Suction hyperbaric oxygen reaches certain hour and just can occur obvious oxygen intoxication sings and symptoms.The height of oxygen pressure is different also different on the impact of the various physiological function of body.When suction 60 ~ 100kPa oxygen, its toxicity shows visual organ highlightedly; During 100 ~ 200kPa oxygen, be mainly manifested in respiratory system; Time more than 300kPa oxygen, mainly there is central nervous system symptom sign.Above 3 kinds of situations are called: ocular form, pulmonary type, brain type oxygen intoxication.This is mainly divided from Point of View of Clinical artificially according to different oxygen pressure and main manifestations, be not that certain type oxygen intoxication only has the pathological change of certain organ and abnormal without other, in fact, after higher oxygen pressure and longer exposure time-histories, almost whole body various organization all can suffer corresponding infringement.Why propose so-and-so type especially, just emphasize that the pathological changes of this organ and symptom are relatively given prominence to.Ophthalmoretinal type of oxygen poisoning is that long-time 70 ~ 80kPa oxygen that sucks can be fallen ill very lentamente, and main manifestations is neurodeatrophia.Jejune tissue is responsive especially to high partial pressure of oxygen, and premature infant inhales high partial pressure of oxygen overlong time in calorstat, retina have widely angiemphraxis, become that fibrous tissue infiltrates, retrolental fibroplasia, can thus blinding.At 90 ~ 100kPa oxygen, within 72 hours, can occur detachment of retina, atrophy, optic cell destroys; Extend in time, ill-effect can accumulate.So oxygen is one of material of mankind's necessity, but some can be caused to injure to people, especially to premature infant and neonate all the more so, and some serious consequences may be caused.Premature infant and neonate in many cases, need to give oxygen uptake, but premature infant and neonatal oxygen uptake have again the requirement of its uniqueness, can not abuse and excessively use.Anoxia can bring many adverse consequencess to the treatment of infant physical growth, growth, disease, the injury that same incorrect oxygen supply also will bring to baby to a certain degree.And be fairly simple device at the equipment of current premature infant and neonatal oxygen supply, it and adult's oxygen supply device there is no difference.Due to premature infant and neonatal without intellectual and hypoergia, the control of all must be operated by other people, can not adapt to the needs of Clinical practice like this, is particularly in the baby managed without special people in infant incubator unfavorable especially.
Summary of the invention
In order to change the deficiency existed in infant oxygen supply, ensure to be improved to the safety of infant oxygen uptake, control the damage that oxygen intoxication is brought to infant, the object of full automatic infant oxygen supply controller is: in oxygen supply process, practicable oxygen and air supply separately, also can carry out the mixing supply of oxygen and air proportion; And can give when there are abnormal conditions automatically to regulate and alarm.Control technology for gas flow is very ripe, reliable, as Flow-rate adjustment and controls such as the oxygen in the respirator of popularization and application in health system, the empty mixing of oxygen.It is the same that the adjustment of the oxygen that full automatic infant oxygen supply controller provides, air, oxygen empty mixed traffic and the gas exporting character and respirator export character, says that the requirement not as good as respirator is high in some sense.In a word, full automatic infant oxygen supply controller can refer to the requirement of the oxygen of respirator and the empty mixing ratio of oxygen and designs.
In medical treatment, general oxygen delivery technique is divided into nose formula oxygen supply and mask oxygen inhalation two class, and the length that nose formula oxygen supply and mask oxygen inhalation respectively have, also respectively has shortage.Nose formula oxygen supply is more convenient, but because of normal loosening of having a stuffy nose, cause oxygen leakage, oxygen effective supply is wrong, and people has sense of discomfort; Mask oxygen inhalation is generally speaking good than nasal obstruction oxygen supply, and the infant particularly suitable mask oxygen inhalation in infant incubator, so full automatic infant oxygen-supplying instrument designs according to the requirement of mask oxygen inhalation.Due to premature infant and neonatal without intellectual and hypoergia, the control of all must be operated by other people, when oxygen supply device breaks down, as interrupting appears in oxygen supply, when apparatus of oxygen supply no oxygen exports, baby may be there is not only inhale less than oxygen, the situation (during mask oxygen inhalation) that air can not be drawn; Or when oxygen output tube occurs that obstruction or outlet tube come off, oxygen can not be transported in infants normally.On the other hand, due to some situation, the oxygen supply of infant transition may be given again, cause the oxygen intoxication of infant.According to physiological characteristics and the Clinical practice requirement of infant, consider simultaneously and substantially realize central gas-supply room air feed in present hospital, so full automatic infant oxygen supply controller mainly utilizes central gas-supply to design, reduce the parts of full automatic infant oxygen supply controller.Full automatic infant oxygen supply controller, is made up of main controller, oxygen regulator, air conditioner, output gas regulator, selector switch, start/stop switch, oxygen follower, gas follower, air follower, duty instruction, flow detector.The input of oxygen regulator, air conditioner, output gas regulator, selector switch, starting switch access main controller; The output of oxygen follower, gas follower, air follower, duty instruction access main controller is rapid; , flow detector accesses input and output two end of main controller simultaneously; The input pipe that the gas output tube of oxygen follower, air follower exports with gas is respectively connected, and three detecting heads (oxygen, air, gas) of flow detector are placed in three (oxygen, air, gas) followers respectively.The outlet tube of gas follower will be connected in face shield or nasal obstruction.This instrument not only can premature infant in infant incubator and neonate use, and the infant being simultaneously applicable to other place uses.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be described.
Fig. 1 is the electrical block diagram of invention.
In Fig. 1,1 main controller, 2 oxygen regulators, 3 air conditioners, 4 export gas regulator, 5 selector switches, 6 start/stop switches, 7 oxygen followers, 8 gas followers, 9 air followers, 10 duty instructions, 11 flow detectors.
Detailed description of the invention
Full automatic infant oxygen supply controller is made up of main controller, oxygen regulator, air conditioner, output gas regulator, selector switch, start/stop switch, oxygen follower, gas follower, air follower, duty instruction, flow detector.The input of oxygen regulator, air conditioner, output gas regulator, selector switch, starting switch access main controller; The output of oxygen follower, gas follower, air follower, duty instruction access main controller is rapid; Flow detector accesses input and output two end of main controller simultaneously; The outlet tube of oxygen follower, air follower is connected with the input pipe of gas follower respectively, and three detecting heads (oxygen, air, gas) of flow detector are placed in three (oxygen, air, gas) followers respectively.The outlet tube of gas follower will be connected in face shield or nasal obstruction.
Main controller is the core of full automatic infant oxygen-supplying instrument, control, processing center, it receives the signal of oxygen regulator, air conditioner, output gas regulator, selector switch, start/stop switch and flow detector, give the oxygen follower, air follower, gas follower, duty instruction etc. of outfan corresponding signal after treatment according to input signal, oxygen follower, air follower, gas follower and duty instruction etc. then work according to instruction.In the course of the work, flow probe is according to actual output flow in instruction continual detection oxygen follower, air follower, gas follower, and be transferred to main controller simultaneously, main controller then compares according to the value of former setting and real output value, find that error adjusts automatically, make it reach consistent; If automatic adjustment can not be carried out, then sending warning, operating by manually carrying out inspection.
Oxygen regulator and air conditioner have two major functions: 1, set, regulate the oxygen and air sent to by central gas-supply room, make the flow of its applicable instructions for use; 2, set, regulate the output time of oxygen and air.
Export gas regulator and only have a function, set exactly, regulate the final flow exporting gas.Export the facility that gas regulator is in fact alternatively a repetition, safety, guarantee accurate and oxygen and air if desired the exchange of output gas flow of gas.
Selector switch is the mode for selecting gas supply during Clinical practice, and it has three kinds of selections: 1, the supply of single gas, i.e. an oxygen gas-supplying or air; 2, two kinds of gas rotation supplies, after namely oxygen supplies a period of time, air supply a period of time, resupply oxygen, circulate at this point and supply respectively; 3, oxygen sky mixing supply, namely supplies different proportion oxygen and air gas mixture.
Start/stop switch is the output starting or stoping full automatic infant oxygen-supplying instrument gas.
Flow detector has two major functions: 1, have three throughput detecting heads, is placed among oxygen follower, gas follower, air follower respectively, measures the flow that in three followers, gas exports; 2, the output stream value of measurement is flowed to main controller, the flow value set with oxygen regulator, air conditioner, output gas regulator respectively compares by main controller, if any error, then carries out necessary corresponding adjustment, makes it reach the value of former setting.Flow detector carries out work by the control of main controller.
Oxygen follower is connected with air interface by the oxygen of pipeline with central gas-supply room with the input port of air follower, forms the service duct of oxygen and air; Receive the instruction of main controller, the flow of oxygen and air conditioner setting is transported to gas follower; Respectively a traffic probe head is settled, detection oxygen and the actual output flow of air follower among oxygen and air follower.
Duty instruction indicates the state worked or the mistake detected and warning etc.
Gas follower is the final output device of gas, and it has two input ports, a delivery outlet, and input port is connected with the delivery outlet of oxygen follower with air follower respectively, and delivery outlet connects with face shield or nasal obstruction outside machine.Gas flow detecting head is settled, the actual output flow of monitoring real gas in gas follower.
The workflow of full automatic infant oxygen supply controller: the oxygen first sent to central gas-supply room is connected with the input mouth of pipe of air with the oxygen of full automatic infant oxygen-supplying instrument respectively with air; Then, be energized to full automatic infant oxygen-supplying instrument, regulate, be set with related parameter.
1, full automatic infant oxygen supply controller obtain electric after, according to the concrete condition of infant, determine gaseous species and the flow of required supply; Adjust selector switch in position, as single gas (oxygen or air), two kinds of gas rotations, oxygen skies mix.
2, oxygen, air mass flow and the setting of time, the setting of total gas couette.When using the mixing supply of oxygen sky, total gas couette equals oxygen flow and adds air mass flow sum; Single gas (oxygen or air), two kinds of gas rotation supply total gas couettes just equal the flow of oxygen or air.When single gas (oxygen or air) and the mixing supply of oxygen sky, time setting is the time of aggregate supply, after the time, stop supply; During two kinds of gas rotations, time setting is the time that oxygen and air supply respectively, and simultaneously also with regard to air and oxygen supply rest time, total time is by Artificial Control.
3, the triggering of start/stop switch, full automatic infant oxygen supply controller is started working, and starts to export gas according to the gaseous species set and flow.When needs stop full automatic infant oxygen supply controller, again trigger start/stop switch, full automatic infant oxygen supply controller then stops the supply of gas.
4, when main controller receives the relevant signals of input, make corresponding adjustment according to relevant parameters, and send instruction, carry out open or close according to different instruction oxygen followers, air follower, gas follower.When there being gas to export, flow detector according to the continual actual output flow measuring oxygen follower, air follower, gas follower respectively of instruction, and feeds back to main controller; Actual output flow and setting flow compare by main controller one by one, find that error adjusts automatically, make it reach consistent; If automatic adjustment can not be carried out, then sending warning, operating by manually carrying out inspection.
Whether 5, duty instruction is instruction current working state, as normal in gas supply setting (single, mixed, circulation), existing gas supply kind, working condition etc., has during exception and has corresponding warning instruction.
Claims (1)
1. a full automatic infant oxygen supply controller, is characterized in that: described oxygen supply controller is made up of main controller, oxygen regulator, air conditioner, output gas regulator, selector switch, start/stop switch, oxygen follower, gas follower, air follower, duty instruction, flow detector; The input of oxygen regulator, air conditioner, output gas regulator, selector switch, starting switch access main controller; The outfan of oxygen follower, gas follower, air follower, duty instruction access main controller; Flow detector accesses input and output two end of main controller simultaneously; The gas output tube of oxygen follower, air follower is connected with the input pipe of gas follower respectively; The oxygen detection head of flow detector, air detection head, detection of gas head are placed in oxygen follower, air follower, gas follower respectively; Gas follower is the final output device of gas, by two input ports, and a delivery outlet composition, two input ports are connected with the delivery outlet of oxygen follower with air follower respectively, and delivery outlet connects with face shield or nasal obstruction outside described oxygen supply controller; The mode that selector switch selects gas three kinds to supply: the oxygen gas-supplying of single gas or air, two kinds of gas rotations supply circulation difference oxygen gas-supplyings and air, oxygen sky mix supply; When single oxygen or air and the mixing supply of oxygen sky, time setting is the time of aggregate supply, after the time, stop supply; During two kinds of gas rotations supply, time setting is the time that oxygen and air supply respectively, while i.e. air and oxygen supply rest time, total time is by Artificial Control; When main controller receives the relevant signals of input, make corresponding adjustment according to relevant parameters, oxygen follower, air follower, gas follower are carried out and opens or closes; When there being gas to export, the continual actual output flow measuring oxygen follower, air follower, gas follower respectively of flow detector, and feed back to main controller; Actual output flow and setting flow compare by main controller one by one, find that error adjusts automatically, make it reach consistent; If automatic adjustment can not be carried out, then sending warning, operating by manually carrying out inspection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310034728.1A CN103083769B (en) | 2013-01-18 | 2013-01-18 | full automatic infant oxygen supply controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310034728.1A CN103083769B (en) | 2013-01-18 | 2013-01-18 | full automatic infant oxygen supply controller |
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| CN103083769A CN103083769A (en) | 2013-05-08 |
| CN103083769B true CN103083769B (en) | 2015-11-25 |
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| CN201310034728.1A Expired - Fee Related CN103083769B (en) | 2013-01-18 | 2013-01-18 | full automatic infant oxygen supply controller |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105159340A (en) * | 2015-08-20 | 2015-12-16 | 徐绍杰 | Convenient oxygen inhaler |
| CN105652904A (en) * | 2016-03-18 | 2016-06-08 | 柳州易旺科技有限公司 | Automatic oxygen adjusting system and method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002047741A2 (en) * | 2000-12-12 | 2002-06-20 | University Of Miami | System and method for closed loop controlled inspired oxygen concentration |
| CN201350274Y (en) * | 2009-01-22 | 2009-11-25 | 杭州利华科技有限公司 | Multifunctional air oxygen mixer |
| CN102481430A (en) * | 2009-03-06 | 2012-05-30 | 康尔福盛207公司 | Automated oxygen delivery system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090205661A1 (en) * | 2008-02-20 | 2009-08-20 | Nellcor Puritan Bennett Llc | Systems and methods for extended volume range ventilation |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002047741A2 (en) * | 2000-12-12 | 2002-06-20 | University Of Miami | System and method for closed loop controlled inspired oxygen concentration |
| CN201350274Y (en) * | 2009-01-22 | 2009-11-25 | 杭州利华科技有限公司 | Multifunctional air oxygen mixer |
| CN102481430A (en) * | 2009-03-06 | 2012-05-30 | 康尔福盛207公司 | Automated oxygen delivery system |
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