CN112245731A - Aerator for breathing machine and application thereof - Google Patents
Aerator for breathing machine and application thereof Download PDFInfo
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- CN112245731A CN112245731A CN202011116599.7A CN202011116599A CN112245731A CN 112245731 A CN112245731 A CN 112245731A CN 202011116599 A CN202011116599 A CN 202011116599A CN 112245731 A CN112245731 A CN 112245731A
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- 230000029058 respiratory gaseous exchange Effects 0.000 title claims description 51
- 238000005276 aerator Methods 0.000 title claims description 6
- 238000012545 processing Methods 0.000 claims abstract description 18
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 238000006213 oxygenation reaction Methods 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 63
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 25
- 229910052760 oxygen Inorganic materials 0.000 claims description 25
- 239000001301 oxygen Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 13
- 230000000241 respiratory effect Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 12
- 230000008569 process Effects 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 208000004756 Respiratory Insufficiency Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 201000004193 respiratory failure Diseases 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 208000029618 autoimmune pulmonary alveolar proteinosis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes operated by electrical means
- A61M16/022—Control means therefor
- A61M16/024—Control means therefor including calculation means, e.g. using a processor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/0027—Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/02—Gases
- A61M2202/0208—Oxygen
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2230/00—Measuring parameters of the user
- A61M2230/40—Respiratory characteristics
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses an oxygenation device for a respirator and application thereof, which is used for adjusting and monitoring the air pressure of the respirator and comprises an air supply unit, a control unit, an air guide unit and a patient loop unit, wherein the control unit comprises a data acquisition module, a data processing module and a data sending module, the air supply unit comprises a speed regulating module for regulating the rotating speed of a fan, the air guide unit comprises a sensing module, a secondary pressure regulating module, a temperature regulating module and a humidity regulating module, the sensing module is used for detecting an initial value and an output value and comprises air pressure, air temperature, air humidity and air flow rate, the patient loop unit comprises a breath detecting module for detecting the breath condition and other vital signs of a patient, the data acquisition module is used for acquiring the information of the sensing module and the breath detecting module, the data processing module is used for analyzing and processing the data of the data acquisition module and sending the processing result to the data sending module, and the data sending module sends the processing information to the air guide unit for air pressure adjustment.
Description
Technical Field
The invention belongs to the technical field of breathing machine supporting equipment, and particularly relates to an oxygenation device for a breathing machine and application thereof.
Background
In modern clinical medicine, a ventilator has been widely used in respiratory failure due to various reasons, anesthesia and breathing management during major surgery, respiratory support therapy and emergency resuscitation as an effective means for manually replacing the function of spontaneous ventilation, and has a very important position in the modern medical field. The breathing machine is a vital medical device which can prevent and treat respiratory failure, reduce complications and save and prolong the life of a patient.
The ventilators on the market at present are mainly classified into 4 types, namely common single level (CPAP), full-automatic single level (APAP), full-automatic double level (VPAP AUTO) and double level ST (BIPAP), different ventilators are selected according to different requirements of different patients, common household ventilators are generally noninvasive ventilators, and the noninvasive ventilators are mainly used for breathing and conducting through a mask or a trachea. Since the ventilator pressure control employs a delay technique, the patient can generally set the delay time only based on estimating his or her own time to fall asleep. If the patient does not fall asleep after the set delay time, the patient is not easy to tolerate by the higher treatment pressure; if the patient falls asleep earlier, the patient may experience airway collapse or lack of ventilation, failing to achieve therapeutic results, due to the pressure not yet reaching therapeutic pressure. In addition, after the preset time is reached, the treatment pressure output by the breathing machine is higher for a conscious patient, so that discomfort is caused, a certain psychological burden is caused to sleep of a part of patients, and the normal sleep is influenced. Therefore, a breathing machine air pressure regulation and monitoring system is needed, air pressure is regulated in time, and medical staff and family members are prompted in time to process in time.
Patent CN201610443638.1 discloses a method for adjusting the pressure of a ventilator blower, which adjusts the output pressure of the ventilator by controlling the rotational speed of the blower, and specifically includes accelerating the increase of the rotational speed of the blower during inspiration to make the output pressure of the ventilator rapidly increase from EPAP to IPAP; during expiration, the rotating speed of the fan is reduced in an accelerating mode, so that the output pressure of the respirator is rapidly reduced from IPAP to EPAP. Thus, by adjusting the fan speed up, the ventilator output pressure can be quickly increased from the EPAP to the IPAP or quickly decreased from the IPAP to the EPAP within a preset time. The preset time can be set within 0.1S-2S according to the user requirements, so that the user can breathe more smoothly, and the use comfort of the user is improved. The invention does not consider that the actual rotating speed of the breathing machine cannot reach the target parameter, and simultaneously does not adjust the oxygen content in time according to the condition of the patient, and the adjustment of the concentration of oxygen and carbon dioxide of the breathing machine can stimulate the patient to breathe by oneself, thereby improving the breathing efficiency. The appropriate increase and decrease of the oxygen content has an effect of improving the breathing efficiency of the patient.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in the prior art, only the difference between the real-time output pressure of the breathing machine and the target output pressure is concerned, and the fact that the final real-time output pressure of the breathing machine is just near the standard output pressure cannot be exactly known by increasing or reducing the rotating speed flow of the fan, the output pressure of the breathing machine is increased or decreased too slowly, the problem that the output pressure of the breathing machine vibrates or the difference between the output pressure and the target output pressure exceeds an error allowable range due to over-head adjustment is solved, meanwhile, the patient information is timely fed back to a doctor end and a family end through the data sending module, the condition of the patient and the working condition of the breathing machine can be conveniently and timely known, when the patient does not breathe autonomously, the oxygen content is changed to stimulate the lung of the patient, the patient can breathe again, and meanwhile, the breathing.
In order to solve the technical problems, the invention provides the following technical scheme: an oxygenation device for a respirator comprises an air supply unit, an air guide unit, a control unit and a patient circuit unit, wherein the control unit comprises a data acquisition module, a data processing module and a data sending module; the air supply unit mainly comprises an air blower and an air filtering system, part of bacteria existing in the air blowing process are filtered, so that a patient can be guaranteed to inhale high-quality air, and the speed regulating module is used for regulating the rotating speed of the air blower.
The gas guide unit comprises a detection module, an oxygen content adjusting module, a temperature adjusting module and a humidity adjusting module, wherein the detection module comprises a pressure sensor, a temperature sensor, a humidity sensor and a gas flowmeter and is used for detecting initial values and output values, including gas pressure, gas temperature, gas humidity and gas flow; because the output value of the fan can not reach the target parameter value, the output value of the fan needs to be adjusted, and meanwhile, the temperature, the humidity and the pressure of the gas sucked by the patient need to be ensured.
The patient circuit unit comprises a respiration monitoring module, a respiration detection module and a control module, wherein the respiration monitoring module is used for detecting the respiration condition and other vital signs of a patient and comprises a respiration mask; the other vital signs include heart rate and blood pressure. The patient is at the adjustment parameter of the in-process decision breathing machine of using the breathing machine, when doctor and family members are not next to the patient, its detection module can in time send the patient condition through the data transmission module, sends out the police dispatch newspaper simultaneously to remind medical personnel and family members, guaranteed the life safety of patient. The breathing mask is used for monitoring the breathing efficiency of the patient in real time and adjusting the oxygen content according to the breathing efficiency of the patient.
The data acquisition module is used for acquiring information of the detection module and the respiration monitoring module, the data processing module analyzes and processes data of the data acquisition module, a processing result is issued to the data sending module, the data sending module sends the processing information to the pressure regulating module, the temperature regulating module, the humidity regulating module and the secondary pressure regulating module, and meanwhile, the cloud center sends the acquired information to the doctor end and the family member end of the patient. The data acquisition and sending module adopts a wireless communication module for data transmission. The wireless communication module is one or combination of Bluetooth, Zigbee, Z-Wave, WIFI and 5G communication.
As a further improvement of the above technical solution:
the breathing mask comprises a mask body and an exhalation valve arranged on the mask body, wherein the exhalation valve is provided with a valve seat connected with the mask body, an air outlet hole, an air inlet channel, a one-way valve arranged at the air outlet hole, a valve used for closing and opening the air inlet channel and a valve switch.
And a gas component analyzer is connected outside the gas outlet hole and is connected with the data acquisition module.
The air inlet pipeline comprises a main air inlet pipe and an auxiliary air inlet pipe, a valve of the main air inlet pipe is installed at an air inlet passage through a spring switch, one end of the valve of the auxiliary air inlet pipe is installed on the valve seat through a valve rod in a slidable mode, and an adsorption block is arranged at the other end of the valve of the auxiliary air inlet pipe.
The auxiliary air inlet valve switch comprises a current controller and a coil, the current controller is connected with the data sending module, and the coil is sleeved on the air inlet channel and arranged above the adsorption block.
The data acquisition module further comprises an alarm device, when the measured pressure is larger than a threshold value, voice, light or display alarm is given out, and meanwhile, the information is sent to the cloud center through the data sending module to send the acquired information to the doctor end and the patient family end.
The invention also provides application of the breathing machine oxygenation device, which comprises the following steps:
s1, setting initial output parameters including given gas pressure P by user according to patient condition0Given gas flow rate F0And a given gas temperature T0Obtaining a value C according to a Bernoulli equation p + (1/2) × ρ v ^2 ═ C of the gas, wherein ρ is gas density, v is gas flow speed, and p is gas pressure;
s2, the sensing module measures the initial gas pressure P through the sensor1Initial gas flow rate F1Initial gas temperature T1Initial gas humidity W1And initial fan speed R1While measuring the output gas pressure P2Flow rate of output gas F2Output gas temperature T2And output gas humidity W2；
S3, the sensing module transmits the measured data to the data acquisition module, the data processing module carries out modeling analysis on the measured values, and the difference D1 between the given gas pressure and the output gas pressure is used for analyzingPAnd the difference D2 between the output gas pressure and the initial gas pressurePObtaining the required rotational speed gain MR；
S4, analyzing the gas composition of the gas component of the expiratory valve to obtain the exhaled CO of the patient2And O2The ratio of the gas to the gas is transmitted to a data acquisition module, and a data processing module is used for processing the CO of the gas exhaled by the normal person2And O2Setting the oxygen content increase value;
s5, adjusting the oxygen increase amount through a valve, and obtaining a coil current adjustment value by the data processing module according to the oxygen content increase value;
s6, repeating the steps S2-S5 until the CO in the expired gas of the patient2And O2The ratio of (A) to (B) reaches the level of normal persons.
As a further improvement of the above technical solution, the modeling analysis process includes the following steps:
a1, according to analysis, a given output pressure value P and a rotating speed pressurization M can be obtained only by realizing pressurization twiceRTwo-stage gain is included, and the first stage rotational speed gain is defined as M1RThe second stage speed gain is M2RThen gain M of the rotation speedR＝M1R+M2R；
A2、M1RTo output gas pressure P2Increase to a given gas pressure P0Gain of speed in the process, M1R＝C*(T0-T2)/D1P；M2RAt an initial gas pressure P1Increase to the output gas pressure P2Gain of speed in the process, M1R＝C*(T2-T1)/D2P。
As a further improvement of the above technical solution, the current adjustment value calculating method includes the steps of:
b1 calculating CO in gas inhaled by patient2And O2The content ratio H1 is calculated to calculate the CO in the expired air of the patient2And O2The content ratio is H2, and the respiratory efficiency Q is calculated at the same time, wherein Q is H1/H2;
b2, defining the respiratory efficiency of a normal person as an inhalation ratio N1, an exhalation ratio N2 and a respiratory X of N1/N2, comparing the respiratory efficiency Q of the patient with the respiratory efficiency X of the normal person to obtain a ratio Y, wherein when the ratio Y is Q/X and is less than 0.5, the oxygen content is increased;
b3, defining the relationship between the current regulation value and the valve opening as a proportional function, and defining the current regulation value D if the valve opening is proportional to the oxygen content increaseIK is a constant.
Compared with the prior art, the invention has the following beneficial effects:
the invention relates to an oxygenation device for a respirator, which is characterized in that a corresponding relation table of fan rotating speeds corresponding to output pressure, gas flow, gas temperature and humidity gas of the respirator is established, a corresponding formula is obtained to obtain fan rotating speed increment so as to realize that the actual output pressure is within a threshold value of target output pressure, a respiration valve is utilized to monitor the respiration efficiency of a patient in real time, the oxygen content of the patient is adjusted according to the respiration efficiency, and the respiration of the patient is promoted. The rotating speed of the fan is adjusted through the calculation formula, so that the speed of the fan can be accurately controlled to be increased or decreased, the speed of the output pressure increasing and decreasing adjustment of the breathing machine is greatly increased, and the problem that the health of a patient is affected due to the fact that the output pressure is adjusted too much can be solved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Reference numerals: 1. a cover body; 21. a valve seat; 22. a one-way valve; 23. a main air inlet pipe; 24. an auxiliary air inlet pipe; 25. a main intake valve; 26. a secondary inlet valve; 27. a valve stem; 28. an adsorption block; 29. a current controller; 30. and a coil.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solutions of the embodiments of the present invention can be combined, and the technical features of the embodiments can also be combined to form a new technical solution.
As shown in fig. 1 and fig. 2, the breathing mask includes a mask body 1 and an exhalation valve disposed on the mask body 1, wherein the exhalation valve has a valve seat 21 connected to the mask body 1, an air outlet hole, an air inlet channel, a check valve 22 disposed at the air outlet hole, and a valve switch for closing and opening the air inlet channel.
And a gas component analyzer is connected outside the gas outlet hole and is connected with the data acquisition module. The gas composition analyzer is used for detecting the content of oxygen and carbon dioxide in expiration and inspiration, and performs data exchange with the data acquisition module and the data sending module by adopting Bluetooth connection in the wireless communication module.
The intake duct includes main intake pipe 23 and auxiliary intake pipe 24, and main intake pipe valve 25 passes through spring switch and installs in intake duct department, and auxiliary intake pipe valve 26 one end is passed through valve rod 27 slidable and is installed on disk seat 21, and the other end is provided with adsorption block 28. The valve switch comprises a current controller 29 and a coil 30, the current controller 29 is connected with the data sending module, and the coil 30 is sleeved on the air inlet channel and is arranged above the adsorption block 28. Breathing mask is when using, and the outlet duct of breathing machine communicates with its main intake pipe 23, and inside vice intake pipe 24 intercommunication oxygen pump is 40% air for oxygen content in the oxygen pump, can not directly inhale, can improve oxygen content in the air with air mixing, and amazing patient breathes, adopts the electromagnetism to control the air output of vice intake pipe 24, and more accurate of control, degree of automation is high, the intelligent programmed execution of being convenient for.
Compared with the traditional method for increasing the rotating speed, the method can ensure that the real-time condition of the patient is monitored, the treatment of the patient is facilitated, the rotating speed of the fan is increased in real time by detecting the air pressure in two sections, so that the target value is reached, the rotating speed can be controlled within the breathing pressure threshold, the breathing of the patient can be stimulated by the design of the oxygen increasing device, meanwhile, the current is adjusted, the accurate increase of the oxygen content is realized, the breathing of the patient can be promoted, and the life safety of the patient is ensured.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An oxygenation device for a respirator comprises an air supply unit, an air guide unit, a control unit and a patient circuit unit, wherein the control unit comprises a data acquisition module, a data processing module and a data sending module; the gas guide unit comprises a detection module, an oxygen content adjusting module, a temperature adjusting module and a humidity adjusting module, wherein the detection module comprises a pressure sensor, a temperature sensor, a humidity sensor and a gas flowmeter and is used for detecting initial values and output values, including gas pressure, gas temperature, gas humidity and gas flow; the method is characterized in that: the patient circuit unit comprises a respiration monitoring module, a respiration detection module and a control module, wherein the respiration monitoring module is used for detecting the respiration condition and other vital signs of a patient and comprises a respiration mask; the breathing mask comprises a mask body and an exhalation valve arranged on the mask body, wherein the exhalation valve is provided with a valve seat connected with the mask body, an air outlet hole, an air inlet channel, a one-way valve arranged at the air outlet hole, a valve used for closing and opening the air inlet channel and a valve switch.
2. The aerator of claim 1, wherein: and a gas component analyzer is connected outside the gas outlet hole and is connected with the data acquisition module.
3. The aerator of claim 2, wherein: the intake duct includes main intake pipe and vice intake pipe, main intake pipe valve passes through spring switch and installs in intake duct department, vice intake pipe valve one end is passed through valve rod slidable and is installed on the disk seat, and the other end is provided with adsorbs the piece.
4. The aerator of claim 3, wherein: the valve switch comprises a current controller and a coil, the current controller is connected with the data sending module, and the coil is sleeved on the air inlet channel and arranged above the adsorption block.
5. The aerator of claim 4, wherein: the data acquisition module further comprises an alarm device, when the measured pressure is larger than a threshold value, voice, light or display alarm is given out, and meanwhile, the information is sent to the cloud center through the data sending module to send the acquired information to the doctor end and the patient family end.
6. Use of the ventilator oxygenation device of claim 5, comprising the steps of:
s1, setting initial output parameters of the breathing machine by a user according to the condition of a patient, and sleeving the breathing mask by the patient;
s2, the sensing module measures output values including gas pressure, gas temperature, gas humidity and gas flow through the sensor;
s3, the sensing module transmits the measured data to the data acquisition module, the data processing module carries out modeling analysis on the measured values, and the rotating speed of the fan is adjusted according to the difference value between the output value and the initial value;
s4, the air pressure is adjusted by the expiratory valve, and the gas composition analyzer measures the exhaled CO of the patient2And O2The ratio of the gas to the gas is transmitted to a data acquisition module, and a data processing module is used for processing the CO of the gas exhaled by the normal person2And O2Setting the oxygen content increase value;
s5, adjusting the oxygen increase amount through a valve, and obtaining a coil current adjustment value by the data processing module according to the oxygen content increase value;
s6, repeating the steps S2-S5 until the CO in the expired gas of the patient2And O2The ratio of (A) to (B) reaches the level of normal persons.
7. Use of a ventilator gain device according to claim 6, wherein: the current adjustment value calculation method includes the steps of:
b1, calculating the patient inhalationInto the gas CO2And O2The content ratio H1 is calculated to calculate the CO in the expired air of the patient2And O2The content ratio is H2, and the respiratory efficiency Q is calculated at the same time, wherein Q is H1/H2;
b2, defining the respiratory efficiency of a normal person as an inhalation ratio N1, an exhalation ratio N2 and a respiratory X of N1/N2, comparing the respiratory efficiency Q of the patient with the respiratory efficiency X of the normal person to obtain a ratio Y, wherein when the ratio Y is Q/X and is less than 0.5, the oxygen content is increased;
b3, defining the relationship between the current regulation value and the valve opening as a proportional function, and defining the current regulation value D if the valve opening is proportional to the oxygen content increaseIK is a constant.
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| CN202011116599.7A CN112245731B (en) | 2020-10-19 | 2020-10-19 | Aerator for breathing machine and application thereof |
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| CN202011116599.7A CN112245731B (en) | 2020-10-19 | 2020-10-19 | Aerator for breathing machine and application thereof |
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Denomination of invention: An oxygenation device for ventilators and its application Effective date of registration: 20231205 Granted publication date: 20221011 Pledgee: China Construction Bank Corporation Shaoyang Jianshe Road Sub-branch Pledgor: HUNAN VENT MEDICAL TECHNOLOGY Co.,Ltd. Registration number: Y2023980069588 |
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