CN104399164A - Intelligent respirator and aerating method of using the respirator - Google Patents
Intelligent respirator and aerating method of using the respirator Download PDFInfo
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- CN104399164A CN104399164A CN201410705951.9A CN201410705951A CN104399164A CN 104399164 A CN104399164 A CN 104399164A CN 201410705951 A CN201410705951 A CN 201410705951A CN 104399164 A CN104399164 A CN 104399164A
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Abstract
Provided is an intelligent respirator and aerating method of using the respirator, belonging to the technical field of medical instruments. The intelligent respirator comprises a circuit, an air channel, an operation panel, and a display; a flow meter and a transducer are installed inside the air channel; a power supply board is installed inside the circuit; the circuit further comprises a microcomputer electronic control panel and a vital sign transducer; the microcomputer electronic control panel is installed inside the circuit; the microcomputer electronic control panel is in communication connection respectively with the power supply board, the operation panel, the display, the air channel and the vital sign transducer. The aerating method of using the intelligent respirator comprises the following steps: collecting, by the microcomputer electronic control panel via the vital sign transducer, information changes of vital sign parameters, controlling the velocity ratio of air and oxygen in the air channel, and controlling a warning device, thereby achieving the intelligent adjustment to the oxygen concentration of the patient and sending out an alarm for emergency treatments. The intelligent respirator and aerating method of using the respirator can achieve the intelligent control, thus achieving the adjustment of oxygen concentration as in need and in time without changing the tidal volume.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of intelligent breathing machine and use the vent method of this respirator.
Background technology
Since nineteen twenty-nine " Drinker respirator " comes out, respirator in clinical practice more than 70 year.Respirator itself is also transitioned into current computer controlled intelligent Mobyneb, and performance is gradually improved, and safety in utilization is more and more higher.As the effective means of an artificial substituting ventilatory function, respirator is applied in the respiratory failure caused by anesthesia, a variety of causes and the treatment of the Breathing Suppotion after major operation at large.The application of respirator, occupies very important position in modern medicine.But along with popularizing of respirator, various onsite application requires some drawbacks also exposing it:
1, function singleness, can only provide Breathing Suppotion to patient; Can not human body vital sign be provided to monitor simultaneously, therefore the untoward reaction such as oxygen intoxication may be caused to occur;
2, owing to can not carry out regulating as required oxygen concentration in good time, usually need doctor or nurse to carry out manual adjustment according to the change of illness state of patient, waste time and energy.
Summary of the invention
In order to solve the problems of the technologies described above, the object of this invention is to provide and a kind ofly there is the intelligent breathing machine of several functions and use the vent method of this respirator.
The object of the invention is to be achieved through the following technical solutions:
A kind of intelligent breathing machine, comprise circuit, gas circuit, guidance panel and display, effusion meter and sensor is provided with in described gas circuit, power panel is provided with in described circuit, this respirator also comprises microcomputer electronic panel and vital sign sensors, described microcomputer electronic panel is located in described circuit, and described microcomputer electronic panel and power panel, guidance panel, display, gas circuit and vital sign sensors communicate to connect respectively.
Technical scheme of the present invention also comprises a kind of vent method using above-mentioned intelligent breathing machine, and it comprises the steps:
Microcomputer electronic panel gathers the information change of human body physical sign parameter by vital sign sensors, control velocity ratio and the alarm device of air and oxygen in gas circuit, thus realize carrying out the Intelligent adjustment of oxygen concentration to patient and giving the alarm and carry out first aid process.
By the technical scheme of the invention described above, technical scheme of the present invention is useful in first aid, transhipment, family etc. to be needed to use respirator but do not have or be inconvenient to use the occasion of monitor, and has intelligent operation and safe and reliable feature.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of intelligent breathing machine of the present invention;
Fig. 2 is the gas circuit case of respirator of the present invention and the structural representation of circuit box;
Fig. 3 is the structural representation of the gas circuit of respirator of the present invention;
Fig. 4 is the FB(flow block) that the present invention uses a kind of embodiment of the vent method of respirator.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail:
As shown in Figure 1, Figure 2 and Figure 3, a kind of intelligent breathing machine, comprise circuit 10, gas circuit 40, guidance panel 20 and display 30, effusion meter and sensor is provided with in described gas circuit 40, specifically comprise air-breathing gas circuit and oxygen concentration, flow, pressure sensor unit 41 and expiration gas circuit and flow, pressure sensor unit 42, and air-breathing gas circuit and oxygen concentration, flow, pressure sensor unit 41 and expiration gas circuit and flow, pressure sensor unit 42 contact or are connected respectively with patient 100.Power panel 12 is provided with in described circuit 10.This respirator also comprises microcomputer electronic panel 11 and vital sign sensors 50, described microcomputer electronic panel 11 is located in described circuit 10, and described microcomputer electronic panel 11 communicates to connect respectively with power panel 12, guidance panel 20, display 30, gas circuit 40 and vital sign sensors 50.
As shown in Figure 1,2 and 3, wherein, described vital sign sensors 50 comprises blood oxygen/pulse frequency probe 51 and blood pressure probe.
Be provided with alarm module in described microcomputer electronic panel 11, described alarm module communicates to connect with outside alarm device.
Use a vent method for above-mentioned intelligent breathing machine, comprise the steps:
Microcomputer electronic panel 11 gathers the information change of human body physical sign parameter by vital sign sensors 50, control velocity ratio and the alarm device of air and oxygen in gas circuit 40, thus realize carrying out the Intelligent adjustment of oxygen concentration to patient 100 and giving the alarm and carry out first aid process.
Further, it comprises the steps:
Microcomputer electronic panel 11 gathers the information change of the blood oxygen saturation of human body by blood oxygen probe, control the velocity ratio of the proportional solenoid of air and oxygen in gas circuit 40, thus realizes carrying out Intelligent adjustment to oxygen concentration and need not changing tidal volume.
Further, it comprises the steps:
Microcomputer electronic panel 11 is by vital sign parameters such as the blood oxygen probe monitoring blood oxygen saturation of patient, pulse frequency and blood pressures and compare with the data preset, if meet alert if, namely setting value is exceeded, alarm module controls alarm device and sends alarm signal, notifies that doctor and other staff carry out timely first aid process to patient 100.
Further, as shown in Figure 4, described vent method specifically comprises the steps:
S1, arranges the blood oxygen saturation upper and lower bound of patient, is namely arranged the blood oxygen saturation upper and lower bound of patient by guidance panel 20.The foundation that blood oxygen saturation bound is used as oxygen concentration adjustment is not only set in step sl, the judgment basis that two other blood oxygen saturation bound is used as reporting to the police also can be set simultaneously.
S2, preset or give tacit consent to oxygen concentration by machine, described oxygen concentration that is preset or that given tacit consent to by machine is the most high oxygen concentration that machine is used, and namely machine can only circulate adjustment under 21% ~ preset oxygen concentration.
S3, vital sign sensors 50 gathers, the information change of monitoring human physical sign parameters pass to microcomputer electronic panel 11, microcomputer electronic panel 11 controls the proportional solenoid velocity ratio of air and oxygen in respirator gas circuit 40, make oxygen concentration reduction one-level and tidal volume is constant, through repeating above said collection, monitoring, rate-determining steps more after a while, to blood oxygen saturation in set point.A period of time can be determined by professionals such as doctors according to practical situation.
S4, prescribe a time limit lower than the lower of setting when monitoring blood oxygen saturation, microcomputer electronic panel 11 controls the proportional solenoid velocity ratio of air and oxygen in respirator, make oxygen concentration elevated by one step and tidal volume is constant, through repeating above said collection, monitoring, rate-determining steps more after a while, to blood oxygen saturation in set point.A period of time can be determined by professionals such as doctors according to practical situation.
S5, if preset or give tacit consent under oxygen concentration oxygen supply a period of time by machine, still lower than the lower limit of setting, then point out blood oxygen saturation lower limit to report to the police, carry out first aid process.
This breathing machine ventilation control model and scheme, except comprise general respirator should have feature except, main blood oxygen probe signal input part and the blood oxygen probe also comprising microcomputer electronic panel (or microcomputer control unit), therefore it self just with vital sign parameter monitoring functions such as blood oxygen saturations, the changes of vital signs such as the blood oxygen saturation of patient can be collected in good time and there is complete warning function.Microcomputer control unit utilizes blood oxygen probe to gather the information change of the blood oxygen saturation of human body, controls the proportional solenoid velocity ratio of air and oxygen in respirator gas circuit, thus realizes carrying out " in good time as required " adjustment to oxygen concentration.
The present invention is specially adapted to need to use respirator to be but inconvenient to use or do not have the occasion of monitor in first aid, transhipment, family etc.
As shown in Figure 1,2 and 3, respirator of the present invention mainly comprises gas circuit, circuit, sensor and probe, guidance panel, display etc., wherein air path part is similar to common respirator, the gas of Breathing Suppotion that provides comprising that common respirator should possess performs air-channel system (mainly comprise air-breathing gas circuit and expiration gas circuit, have oxygen input interface, air relief valve, relief valve, the electromagnetic valve controlled by circuit part, empty oxygen mixer and inlet valve, breathing pipeline, outlet valve etc.); Circuit part is except the Circuits System that common respirator should possess (as supported/controlling breathing circuit, ventilation safety, flow and pressure monitoring probe signal input and probe, operation setting and display etc.), mainly also comprise microcomputer control unit and vital sign sensors, as blood oxygen probe signal input part and blood oxygen probe.
Wherein vital sign sensors is mainly blood pressure probe and blood oxygen/pulse frequency probe; Gas circuit portion is mainly expiration loop A and air-breathing loop etc.; Circuit is mainly power panel and microcomputer electronic panel (microcomputer control unit); Guidance panel and display, wherein guidance panel is the parts to operator's operation and parameters; Display is display monitoring, arrange, report to the police and work the parts of the various information of calendar scheduling.And the detailed schematic reference diagram of air path part is as shown in Figure 3, but a kind of implementation in the just numerous respirator gas circuit shown in Fig. 3, for ease of understanding, using this pneumatic diagram as gas circuit principle reference diagram of the present invention.
The present invention is in Fig. 3 air path part principle reference diagram, and respirator gas circuit mainly comprises source of the gas as oxygen, air, air relief valve, proportional solenoid, flow transducer, empty oxygen mixer, relief valve, oxygen concentration sensor, electromagnetic valve, outlet valve, pressure transducer and breathing circuit etc.
As shown in Figure 3, after compressed oxygen and air enter main frame air inlet respectively, respectively through air relief valve, pressure is carried out voltage stabilizing.Pass through flow transducer respectively through after the Intelligent adjustment of proportional solenoid with certain flow velocity again, it can monitor the gas flow that proportional solenoid provides at any time.Then enter sky oxygen mixer together, form the mist of certain oxygen concentration, eventually pass oxygen concentration sensor and actual monitoring is carried out to the oxygen concentration of mist, finally entered in patient body by breathing pipeline again.Usually, also before mist enters patient, by series connection one humidifier, gas can be carried out humidifying and heating in possible occasion, what patient was sucked is moistening and warm gas.Wherein, between empty oxygen mixer and breathing pipeline, also can increase by a relief valve, relief valve is used to limit the maximum pressure in air-breathing gas circuit, when causing pressure to exceed air-channel system safe pressure because of certain special reason (as airway blockage etc.) in gas circuit, relief valve is open to lose heart.The gas that patient will breathe out enters into outlet valve by breathing pipeline and is discharged to external.Before discharge, these breaths are also through the monitoring of flow transducer and pressure transducer, and these monitor signals represent airway pressure and the tidal volume level of patient, are the state indexs that machine carries out to patient ventilating.Pressure and flow velocity signal (flow transducer can monitor flow velocity) can also trigger pressure and the flow velocity sampling of ventilation as patient simultaneously.Wherein, when when suction condition, electromagnetic valve is in conducting state, the outlet will one gas being had to push down outlet valve like this, and during guarantee air-breathing, gas only enters in patient body.Otherwise when exhaling, electromagnetic valve is in off-state, the gas that patient breathes out can freely be discharged to external.
The gas that more than underdrawed enters the course of conveying of patient lungs, is also the general work process of common respirator.Electronic control panel (microcomputer control unit) with micro computer is automatically controlled core component, the drive singal of the monitoring to flow, flow velocity, pressure, supervisory keyboard and display process, various alarm signal process and electromagnetic valve is provided, electronic control panel also monitors complete machine power conditions, sounds report to the police when power-off.
Different from common respirator, electronic control panel (microcomputer control unit) with micro computer also provides monitoring to vital signs such as blood oxygen saturation, pulse frequency, blood pressures and complete warning system, and blood oxygen probe can be utilized to gather the information change of the blood oxygen saturation of human body, control the velocity ratio of the proportional solenoid of air and oxygen in respirator gas circuit, thus realize carrying out " in good time as required " adjustment to oxygen concentration and not changing tidal volume.
In figure 3; in view of the variety classes of respirator or the restriction of use occasion; a kind of source of the gas may be only had; respirator such as in first aid or transhipment; compressed oxygen or air (as with electronic turbo-driven air) may be only had; although " in good time as required " that so can not realize carrying out oxygen concentration intelligence regulates, can realize equally carrying out timely monitor and warning to patient vital signs, there is very positive meaning equally.
The specific embodiment of vent method is as follows: doctor arranges the blood oxygen saturation upper and lower bound of patient, and as the upper limit is set to 96, lower limit is set to 88; Preset (or being given tacit consent to by a machine) oxygen concentration, as being 80%, this preset (or being given tacit consent to by machine) oxygen concentration is the most high oxygen concentration that machine is used, and namely machine can only circulate adjustment under 21% ~ preset oxygen concentration.First machine gives gas 80% time at preset (or acquiescence) oxygen concentration, through after a while, detect that blood oxygen saturation is more than 96, the microcomputer control unit of circuit part controls the proportional solenoid velocity ratio of air and oxygen in respirator gas circuit, make oxygen concentration reduction one-level and tidal volume is constant, through repeating above-mentioned monitoring, rate-determining steps more after a while, to blood oxygen saturation at set point; Prescribe a time limit under lower than blood oxygen saturation, control the proportional solenoid velocity ratio of air and oxygen in respirator, make oxygen concentration elevated by one step and tidal volume is constant, repeat above-mentioned monitoring, rate-determining steps again through after a while, to blood oxygen saturation at set point.If in 80% time oxygen supply a period of time of preset oxygen concentration, still lower than 88, then point out blood oxygen saturation lower limit to report to the police, need doctor to process.Usually, the parameter that doctor is arranged is relatively more reasonable to this patient, always dynamic adjustments change between rational oxygen concentration and blood oxygen saturation.
Other control mode not only may arrange the foundation that blood oxygen saturation bound is used as oxygen concentration adjustment, also arranges the judgment basis that two other blood oxygen saturation bound is used as reporting to the police simultaneously.Control method is many, final realization " timely adjustment is carried out in the change according to physical signs of patient ".
Meanwhile, by the present invention program, all these functions above and structural integrity thereof are become an organic whole, instead of two kinds of instruments are simply pieced together combination.As compact in structure, there are common operation and display interface etc.Like this, just can be inconvenient or do not have and use the occasion of monitor to employ in first aid, transhipment, family etc.
The present invention compared with prior art has advantage and good effect is as follows:
1. be different from common respirator and only there is Breathing Suppotion function, the patient vital signs change that this respirator can monitor, there is patient vital signs parameter monitoring and the complete warning systems such as blood oxygen saturation, pulse frequency, blood pressure, also very convenient medical personnel observe in time and directly simultaneously, therefore not easily cause the generation of the untoward reaction such as oxygen intoxication, improve the safety in utilization of respirator.
2. the respirator from common is different, microcomputer control unit utilizes blood oxygen probe to gather the information change of the blood oxygen saturation of human body, control the velocity ratio of the proportional solenoid of air and oxygen in respirator gas circuit and do not change tidal volume, thus realize that " in good time as required " is carried out to oxygen concentration and regulate, have certain intelligent.Therefore save oxygen and manpower, also not easily cause the generation of the untoward reaction such as oxygen intoxication, improve the safety in utilization of respirator.
The above; be only the present invention's preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (10)
1. an intelligent breathing machine, comprise circuit, gas circuit, guidance panel and display, effusion meter and sensor is provided with in described gas circuit, power panel is provided with in described circuit, it is characterized in that, also comprise microcomputer electronic panel and vital sign sensors, described microcomputer electronic panel is located in described circuit, and described microcomputer electronic panel and power panel, guidance panel, display, gas circuit and vital sign sensors communicate to connect respectively.
2. intelligent breathing machine according to claim 1, is characterized in that, described vital sign sensors comprises blood oxygen/pulse frequency probe.
3. intelligent breathing machine according to claim 2, is characterized in that, described vital sign sensors comprises blood pressure probe.
4. intelligent breathing machine according to claim 1, is characterized in that, is provided with alarm module in described microcomputer electronic panel, and described alarm module communicates to connect with outside alarm device.
5. use a vent method for the arbitrary intelligent breathing machine of claim 1 to 4, it is characterized in that, comprise the steps:
Microcomputer electronic panel gathers the information change of human body physical sign parameter by vital sign sensors, control velocity ratio and the alarm device of air and oxygen in gas circuit, thus realize carrying out the Intelligent adjustment of oxygen concentration to patient and giving the alarm and carry out first aid process.
6. vent method according to claim 5, is characterized in that, comprises the steps:
Microcomputer electronic panel gathers the information change of the blood oxygen saturation of human body by blood oxygen probe, control the velocity ratio of the proportional solenoid of air and oxygen in gas circuit, thus realizes carrying out Intelligent adjustment to oxygen concentration and need not changing tidal volume.
7. vent method according to claim 5, is characterized in that, comprises the steps:
Microcomputer electronic panel is by the vital sign parameter of the blood oxygen probe monitoring blood oxygen saturation of patient, pulse frequency and blood pressure and compare with the data preset, if meet alert if, controls alarm device and sends alarm signal.
8. vent method according to claim 5, is characterized in that, comprises the steps:
S1, arranges the blood oxygen saturation upper and lower bound of patient;
S2, preset or give tacit consent to oxygen concentration by machine, described oxygen concentration that is preset or that given tacit consent to by machine is the most high oxygen concentration that machine is used;
S3, the information change of vital sign sensors collection, monitoring human physical sign parameters also passes to microcomputer electronic panel, microcomputer electronic panel controls the proportional solenoid velocity ratio of air and oxygen in respirator gas circuit, make oxygen concentration reduction one-level and tidal volume is constant, through repeating above said collection, monitoring, rate-determining steps more after a while, to blood oxygen saturation in set point;
S4, prescribe a time limit lower than the lower of setting when monitoring blood oxygen saturation, microcomputer electronic panel controls the proportional solenoid velocity ratio of air and oxygen in respirator, make oxygen concentration elevated by one step and tidal volume is constant, through repeating above said collection, monitoring, rate-determining steps more after a while, to blood oxygen saturation in set point.
9. vent method according to claim 8, is characterized in that, not only arranges the foundation that blood oxygen saturation bound is used as oxygen concentration adjustment in step S1, also arranges the judgment basis that two other blood oxygen saturation bound is used as reporting to the police simultaneously.
10. vent method according to claim 9, is characterized in that, also comprises the steps:
S5, if preset or give tacit consent under oxygen concentration oxygen supply a period of time by machine, still lower than the lower limit of setting, then point out blood oxygen saturation lower limit to report to the police, carry out first aid process.
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