CN113117206A - Inhalation device for preventing and treating altitude stress - Google Patents
Inhalation device for preventing and treating altitude stress Download PDFInfo
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- CN113117206A CN113117206A CN201911405477.7A CN201911405477A CN113117206A CN 113117206 A CN113117206 A CN 113117206A CN 201911405477 A CN201911405477 A CN 201911405477A CN 113117206 A CN113117206 A CN 113117206A
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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
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0605—Means for improving the adaptation of the mask to the patient
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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
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
- A61M16/122—Preparation of respiratory gases or vapours by mixing different gases with dilution
- A61M16/125—Diluting primary gas with ambient air
-
- 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
- A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
- A61M2016/0033—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
- A61M2016/0039—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical in the inspiratory circuit
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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
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
- A61M2016/102—Measuring a parameter of the content of the delivered gas
- A61M2016/103—Measuring a parameter of the content of the delivered gas the CO2 concentration
-
- 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
- A61M2202/0225—Carbon oxides, e.g. Carbon dioxide
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
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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
- A61M2230/00—Measuring parameters of the user
- A61M2230/40—Respiratory characteristics
- A61M2230/43—Composition of exhalation
- A61M2230/432—Composition of exhalation partial CO2 pressure (P-CO2)
Abstract
The invention discloses an inhalation device for preventing and treating altitude stress, which comprises a blower, a first flow controller, a carbon dioxide gas source, a second flow controller, a mixed gas flowmeter, a mixed gas carbon dioxide concentration display and an open type mask, wherein a gas inlet is arranged at the near end of the open type mask, and an exhaust hole is arranged at the far end of the open type mask; the blower is connected with a first pipeline, the carbon dioxide gas source is connected with a second pipeline, and the first pipeline and the second pipeline are connected to form a mixed gas pipeline which is connected with the gas inlet; the first flow controller is arranged on the air blower or the first pipeline, the second pipeline is provided with a carbon dioxide flow meter and a second flow controller, the mixed gas flow meter and the mixed gas carbon dioxide concentration display are both arranged on the mixed gas pipeline, and the open type mask is provided with a sensor for detecting the concentration of the carbon dioxide at the end of human body expiration. The invention uses carbon dioxide inhalation to replace the traditional pure oxygen inhalation, can well prevent and treat altitude stress, and can prolong the treatment time.
Description
Technical Field
The invention relates to the technology of medical equipment, in particular to an inhalation device for preventing and treating altitude stress.
Background
The air in the plateau area has low rarefied oxygen partial pressure. And the oxygen partial pressure is continuously reduced as the altitude increases. When a person enters an plateau area from a low-altitude area, severe patients can have pulmonary edema, cerebral edema and even death due to acute anoxia such as dyspnea, headache, vomiting, myasthenia of limbs, insomnia, blurred vision, ataxia and the like. The altitude stress mainly occurs in the early stage of entering the altitude area, and the body gradually adapts to the altitude anoxia along with the extension of the time of staying in the altitude area, so that the altitude stress is relieved or even disappears. At present, the common methods for treating altitude sickness include gradual adaptation and oxygen therapy. The gradual adaptation method is that a person entering a plateau adapts for a period of time in a place with a relatively low altitude, and then gradually increases to finally reach the required altitude. Since the main cause of altitude stress is hypoxia in the altitude state, the most effective therapy for altitude stress is oxygen therapy. However, if a nasal catheter is used, the flow rate required for oxygen inhalation is large, and the effective utilization rate of the supplied oxygen is poor. Under low pressure, if oxygen is inhaled by a common non-sealed medical oxygen therapy mask, the required oxygen flow is large, and even if high-flow oxygen is provided, the normal blood oxygen saturation can not be easily maintained. If the sealing mask is used, the mask head band is tightened to prevent air leakage, so that additional discomfort is caused, and after the sealing mask is used, required air comes from a high-pressure air bottle, the required flow is larger, and the communication, eating and drinking are influenced because the user hardly speaks after using the sealing mask. A portable gas cylinder may not be satisfactory for an hour of oxygen therapy.
Although progressive adaptation is valuable for reducing or eliminating altitude stress. However, in some special cases, for example, some tourists need to arrive at the plateau because of time urgency, or rescue workers, army need to enter the plateau because of the urgent need to perform tasks, and the gradual adaptation method is difficult to work.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an inhalation device for preventing and treating altitude stress. This an inhalation device for preventing and treating altitude sickness, through letting the person who enters the plateau just inhale right amount and evenly mixed carbon dioxide gas, improve human minute ventilation volume and blood oxygen concentration, maintain internal normal carbon dioxide concentration level, reach the purpose of preventing and treating altitude sickness.
The purpose of the invention is realized by the following technical scheme: the suction device for preventing and treating altitude stress comprises a blower, a first flow controller, a carbon dioxide gas source, a second flow controller, a mixed gas flow meter, a mixed gas carbon dioxide concentration display and an open type mask, wherein a gas inlet is formed in the near end of the open type mask, and an exhaust hole is formed in the far end of the open type mask; the air blower is connected with a first pipeline, the carbon dioxide gas source is connected with a second pipeline, and the first pipeline and the second pipeline are both connected with the gas input port through a mixed gas pipeline; the first flow controller is arranged on the air blower or the first pipeline, the second pipeline is provided with a carbon dioxide flow meter and a second flow controller, the mixed gas flow meter and the mixed gas carbon dioxide concentration display are both arranged on the mixed gas pipeline, and the open type face mask is provided with a sensor for detecting the carbon dioxide concentration of the exhaled gas of the human body.
Preferably, the carbon dioxide gas source is a carbon dioxide gas cylinder or a carbon dioxide generator.
Preferably, the inhalation device for preventing and treating altitude stress further comprises a processor, and the sensor, the first flow controller and the second flow controller are all connected with the processor.
Preferably, the proximal end of the open face mask is provided with one or more uniformly distributed air inlet holes; when the number of the air inlet holes is multiple, the air inlet holes are all connected with the gas inlet through the guide pipe.
Preferably, the proximal end of the open face mask is provided with a fitting portion made of a soft material.
Preferably, the volume of the inner cavity of the open type mask is 50-1000 ml.
Preferably, the number of the exhaust holes is at least one.
Preferably, the concentration of carbon dioxide in the mixed gas pipeline is 1-5%.
Preferably, the sensor detects that the concentration of carbon dioxide exhaled by the human body is kept between 2.5 and 5 percent.
Compared with the prior art, the invention has the following advantages:
1. the suction device for preventing and treating the altitude stress mainly comprises an air blower, a first flow controller, a carbon dioxide gas source, a second flow controller, a mixed gas flow meter, a mixed gas carbon dioxide concentration display and an open type mask, and the device can be used for replacing the traditional oxygen suction by utilizing the carbon dioxide suction, so that the altitude stress can be well prevented and treated; compared with the traditional oxygen therapy, the amount of inhaled carbon dioxide is small, and the air supply treatment time can be greatly prolonged.
2. The inhalation device for preventing and treating altitude stress adopts an open face mask, the far end (namely, the end far away from the face of a user) of the open face mask is provided with an exhaust hole with large cross-sectional area, so that exhaled gas can be rapidly exhausted, the pressure of an inner cavity of the face mask is constantly zero (namely, the pressure of the inner cavity of the open face mask is equal to the atmospheric pressure outside the open face mask), and meanwhile, carbon dioxide mixed gas is continuously conveyed to the face mask through a mixed gas pipeline to achieve driving and replace exhaled gas in the face mask, so that the gas which is retained at the near end of the open face mask by inspiration time lag is always the carbon dioxide mixed gas from the mixed gas pipeline and does not contain hypoxic exhaled gas; in addition, because the volume of the inner cavity of the open type mask is 50-1000 ml, even if the inspiration flow rate is larger than the air supply flow rate, the concentration of the inhaled carbon dioxide mixture can be ensured to be constant because the carbon dioxide mixture from the mixture pipeline is reserved in the end-expiratory open type mask cavity, and the exhaled air without hypoxia is not contained.
3. The inhalation device for preventing and treating altitude stress adopts the open type face mask, because the near end (namely, the end close to the face of a user) of the open type face mask is attached to the face of the user, air does not leak when the internal pressure of the open type face mask is zero (namely, the pressure of the inner cavity of the open type face mask is equal to the atmospheric pressure outside the open type face mask), the far end (namely, the end far away from the face of the user) of the open type face mask is provided with an exhaust port, carbon dioxide mixed gas input from the near end of the open type face mask is supplied for the user to inhale, and redundant carbon dioxide mixed gas and exhaled air are exhausted from the exhaust port at the far end, so that a subject can talk and communicate, can eat and drink water, and the uncomfortable feeling.
4. The portable carbon dioxide suction device for the suction device for preventing and treating altitude stress replaces a flammable and explosive oxygen suction device, so that the risk of explosion can be reduced, and the safety of the device is improved.
Drawings
Fig. 1 is a schematic view of a fixed carbon dioxide concentration pattern of an inhalation device for the prevention and treatment of altitude sickness according to the present invention.
Fig. 2 is a schematic structural view of an automatic carbon dioxide concentration adjusting mode of the inhalation device for controlling altitude sickness according to the present invention.
Fig. 3 is a schematic structural view of the open type mask of the inhalation device for preventing altitude stress according to the present invention when worn.
Wherein, 1 is the air-blower, 2 is first flow controller, 3 is the carbon dioxide air supply, 4 is the second flow controller, 5 is the gas mixture flowmeter, 6 is the gas mixture carbon dioxide concentration display, 7 is open face guard, 8 is the gas input port, 9 is the exhaust hole, 10 is first pipeline, 11 is the second pipeline, 12 gas mixture pipeline, 13 is the carbon dioxide flowmeter, 14 is expired gas carbon dioxide sensor, 15 is the treater, 16 is the inlet port, 17 is the pipe, 18 is laminating portion.
Detailed Description
The invention is further illustrated by the following figures and examples.
The inhalation device for preventing altitude stress as shown in fig. 1 and fig. 2 comprises a blower, a first flow controller, a carbon dioxide gas source, a second flow controller, a mixed gas flow meter, a mixed gas carbon dioxide concentration display and an open type mask, wherein a gas input port is arranged at the near end of the open type mask, and an exhaust hole is arranged at the far end of the open type mask; the air blower is connected with a first pipeline, the carbon dioxide gas source is connected with a second pipeline, and the first pipeline and the second pipeline are both connected with the gas input port through a mixed gas pipeline; the first flow controller is arranged on the air blower or the first pipeline, the second pipeline is provided with a carbon dioxide flow meter and a second flow controller, the mixed gas flow meter and the mixed gas carbon dioxide concentration display are both arranged on the mixed gas pipeline, and the open type face mask is provided with a carbon dioxide sensor for detecting the carbon dioxide concentration of the exhaled gas of the human body.
In particular, the blower is primarily used to deliver air to the open face mask, and in practice, compressed air may be used as a source of air instead of the blower. The flow of the air is adjusted by a first flow controller, and the first flow controller can adjust the rotation speed of the blower and can also be used for adjusting the air flow rate in the first pipeline to adjust the flow of the air. The sensor is mainly used for detecting the concentration of carbon dioxide exhaled by a human body in real time; when the inhalation device is used, the open type mask is worn on the face, and the carbon dioxide concentration of the exhaled breath of the human body detected by the sensor is maintained at 3% -4% by inhaling carbon dioxide with proper concentration.
The carbon dioxide gas source is a carbon dioxide gas cylinder or a carbon dioxide generator. Specifically, the carbon dioxide gas cylinder in this embodiment is a high-pressure, high-concentration carbon dioxide gas cylinder, in which the pressure value in the cylinder is greater than one atmosphere, and the concentration may be 2% to 100%. The carbon dioxide entering the gas mixture pipeline is controlled by the carbon dioxide flowmeter and the second flow controller, so that the concentration of the carbon dioxide in the gas mixture pipeline and the concentration of the carbon dioxide in the gas mixture delivered to the mask are ensured to be at a proper level.
The inhalation device for preventing and treating altitude stress further comprises a processor, and the sensor, the first flow controller and the second flow controller are all connected with the processor. The mode is an automatic carbon dioxide concentration adjusting mode, and in the working process, the sensor for detecting the carbon dioxide concentration of the exhaled breath of the human body is used for detecting the carbon dioxide concentration at the end of expiration of a user. When the concentration of the end-tidal carbon dioxide is lower than 3%, the signal is transmitted to the processor, and the processor sends a control instruction to the second flow control so as to adjust the proportion of air and carbon dioxide entering the mixed gas pipeline and increase the flow of the carbon dioxide; when the concentration of the end-tidal carbon dioxide is more than 4%, the signal is transmitted to the processor, and the processor sends a control instruction to the second flow control so as to adjust the proportion of the air and the carbon dioxide entering the mixed gas pipeline and reduce the flow of the carbon dioxide. The structure can adjust the concentration of the carbon dioxide in the mixed gas pipeline in real time, so as to ensure that the concentration of the end-tidal carbon dioxide of a user is maintained between 2.5% and 5%, and the concentration of the end-tidal carbon dioxide is preferably maintained between 3% and 4% in the embodiment. In the working process, the processor can be omitted, namely a fixed carbon dioxide concentration mode is adopted, and the concentration of the carbon dioxide entering the mixed gas pipeline is adjusted through the first flow controller and the second flow controller at the beginning, so that the treatment effect is achieved. To reduce the design cost, the processor, the first traffic controller, and the second traffic controller in this embodiment may all be purchased directly from the market.
The near end of the open type mask is provided with a plurality of air inlet holes which are uniformly distributed, and the air inlet holes are connected with the gas inlet through guide pipes. The structure can uniformly send the mixed gas into the open type mask, so that the exhaled air is discharged more quickly and completely, the retention of the exhaled air is avoided, and the treatment effect is improved.
The proximal end of the open face mask is provided with a fitting portion made of a soft material. The structure can improve the wearing comfort of the open type mask, and the open type mask is attached to the face without air leakage when the pressure of the inner cavity of the open type mask is zero (namely equal to the atmospheric pressure outside the mask). In this embodiment, the soft material is a silicone material.
The volume of the inner cavity of the open type mask can be set to be 50-1000 ml along with the size of an individual. The volume of the mask is suitable for ensuring that the inner cavity of the mask is sufficiently filled with gas from the mixture conduit to supplement the inhalation gas when the gas directly from the mixture conduit cannot meet the inhalation amount in the case of deep inhalation, thereby ensuring that the inhaled gas is substantially completely filled with gas from the mixture conduit in extreme cases such as forced inhalation.
The number of the exhaust holes is at least one. Specifically, in actual use, the number of the exhaust holes may be one or more. When the mask is used, the caliber of the exhaust hole is large, so that the air exhaled by a user can be smoothly exhausted from the open mask, and the phenomenon that the exhaled air with low oxygen content is retained in the open mask to influence the treatment effect is avoided. When the aperture of the exhaust hole is small, the number of the exhaust holes is increased to ensure the smooth exhaust of the exhaled air and ensure that the pressure of the inner cavity of the open type mask is zero (namely equal to the atmospheric pressure outside the mask). As shown in fig. 1 and 2, the number of the vent holes in this embodiment is 1, and the aperture of the vent hole is equal to the inner diameter of the distal end face of the open mask.
The concentration of carbon dioxide in the mixed gas pipeline is 1-5%. The carbon dioxide is used in the mixture line in a suitable concentration to ensure the therapeutic effect.
The specific treatment by adopting the inhalation device for preventing and treating altitude stress is as follows:
a subject living at sea level for a long time takes a plane, enters a pizza, immediately takes a train to a Naqu with the altitude of 4500 m, the blood oxygen saturation under air suction is 70 percent, the heart rate is 122 times/minute, and the subject needs to take a vehicle to a Tanggula mountain with the altitude of 5200 m and walk quickly. The subject wears the inhalation device for preventing altitude stress of the present embodiment, as shown in fig. 3, and the fitting portion of the open face mask is fitted to the face by means of the buckle of the open face mask, and the blower is operated to generate a constant air flow and adjust the air flow to 60 liters/minute, that is, a constant air flow of 60 liters/minute is formed in the first duct; opening a pressure reducing valve of the carbon dioxide gas cylinder to enable carbon dioxide with proper flow to enter a second pipeline; the air from the first pipeline and the carbon dioxide from the second pipeline respectively enter the mixed gas pipeline to form uniform mixed gas. The mixed gas pipeline is provided with a mixed gas flowmeter and a mixed gas carbon dioxide concentration display to monitor the mixed gas pipeline and the actual carbon dioxide concentration entering the open type mask. The mixture formed in the mixture pipe continuously supplies the carbon dioxide mixture to the open type mask.
When the altitude 4500 is in a quiet state, the mixed gas flowmeter displays that the flow is 61.2 liters/minute, the mixed gas carbon dioxide concentration display displays that the carbon dioxide concentration in the mixed gas is 2%, and the sensor detects that the carbon dioxide concentration in the exhaled gas of the user is 3.5%; when the blood oxygen saturation of a tested person is monitored to be 91 percent, the heart rate is monitored to be 95 times/minute, the patient does not have altitude stress, when the patient reaches the mouth of the Tanggula mountain with the altitude of 5200 meters, the carbon dioxide concentration in the mixed gas is displayed by the carbon dioxide concentration display device to be about 3 percent, and the carbon dioxide concentration in the exhaled air of the user is detected to be 3.5 percent by the sensor; the subject was also monitored for 90% blood oxygen saturation and 102 heart rates/min. The mixed gas flowmeter of the mixed gas pipeline displays that the flow is 62.5 liters/minute when a testee rapidly walks, the mixed gas carbon dioxide concentration display displays that the concentration of carbon dioxide in the mixed gas is about 3.5 percent, the sensor detects that the concentration of carbon dioxide in exhaled gas is 3.5 percent, the oxygen saturation of blood of the testee is 90 percent, patients feel good, and the high-altitude reaction symptoms such as nausea, vomiting and dizziness do not exist, so that the automatic regulation of the concentration of carbon dioxide in inhaled gas is realized, and the normal concentration of carbon dioxide in the body is maintained.
When the examinee uses the inhalation device for preventing and treating altitude stress, the mode of automatically adjusting the concentration of carbon dioxide is adopted; when the subject is in a plateau area with little altitude change, the subject can be treated by inhaling the gas with the fixed carbon dioxide concentration, which is as follows:
a subject living at sea level for a long time enters the Tibet plateau Ridian city with the altitude of 3900 m by an airplane, the blood oxygen saturation under the breathing air is 80 percent, and the heart rate is 102 times/minute. At this time, the examinee is allowed to wear the inhalation device of the present invention for preventing altitude stress, as shown in fig. 3, the attachment portion of the open face mask is attached to the face by means of the buckle of the open face mask, the blower is started to generate a constant air flow, and the air flow is adjusted to 40 liters/minute; opening a pressure reducing valve of the carbon dioxide gas cylinder to enable carbon dioxide with proper flow to enter a second pipeline; the air from the first pipeline and the carbon dioxide from the second pipeline enter the mixed gas pipeline respectively and form uniform mixed gas. And a mixed gas flowmeter and a mixed gas carbon dioxide concentration display are arranged on the mixed gas pipeline so as to monitor the actual concentration of the carbon dioxide in the mixed gas pipeline. The mixture formed in the mixture conduit continues to supply gas to the open face mask to maintain a constant inspiratory carbon dioxide.
When the mixed gas flowmeter displays that the flow is 40 liters/minute, the second flow controller is adjusted to ensure that the carbon dioxide concentration display of the mixed gas displays that the carbon dioxide concentration is 3 percent, the blood oxygen saturation of a subject is improved to 93 percent from the original 80 percent, and the heart rate is changed from the original 102 times/minute to 88 times/minute, so that the hypoxia of a patient is improved without uncomfortable feeling. Since the amount of gas required at rest is less than the flow rate of the mixture delivered to the open face mask, all of the gas inhaled by the subject is the mixture from the mixture conduit and the excess mixture and exhaled breath are expelled through the exhaust of the open face mask.
The above-mentioned embodiments are preferred embodiments of the present invention, and the present invention is not limited thereto, and any other modifications or equivalent substitutions that do not depart from the technical spirit of the present invention are included in the scope of the present invention.
Claims (9)
1. A suction device for preventing and treating altitude stress, its characterized in that: the device comprises a blower, a first flow controller, a carbon dioxide gas source, a second flow controller, a mixed gas flowmeter, a mixed gas carbon dioxide concentration display and an open type mask, wherein a gas input port is arranged at the near end of the open type mask, and an exhaust hole is arranged at the far end of the open type mask; the air blower is connected with a first pipeline, the carbon dioxide gas source is connected with a second pipeline, and the first pipeline and the second pipeline are both connected with the gas input port through a mixed gas pipeline; the first flow controller is arranged on the air blower or the first pipeline, the second pipeline is provided with a carbon dioxide flow meter and a second flow controller, the mixed gas flow meter and the mixed gas carbon dioxide concentration display are both arranged on the mixed gas pipeline, and the open type face mask is provided with a sensor for detecting the carbon dioxide concentration of the exhaled gas of the human body.
2. The inhalation device for controlling altitude stress according to claim 1, wherein: the carbon dioxide gas source is a carbon dioxide gas cylinder or a carbon dioxide generator.
3. The inhalation device for controlling altitude stress according to claim 1, wherein: the device also comprises a processor, wherein the sensor for detecting the concentration of carbon dioxide in the exhaled air of the human body, the first flow controller and the second flow controller are all connected with the processor.
4. The inhalation device for controlling altitude stress according to claim 1, wherein: the near end of the open type mask is provided with one or more air inlet holes which are uniformly distributed; when the number of the air inlet holes is multiple, the air inlet holes are all connected with the gas inlet through the guide pipe.
5. The inhalation device for controlling altitude stress according to claim 1, wherein: the proximal end of the open face mask is provided with a fitting portion made of a soft material.
6. The inhalation device for controlling altitude stress according to claim 1, wherein: the volume of the inner cavity of the open type mask is 50-1000 ml.
7. The inhalation device for controlling altitude stress according to claim 1, wherein: the number of the exhaust holes is at least one.
8. The inhalation device for controlling altitude stress according to claim 1, wherein: the concentration of the carbon dioxide in the mixed gas pipeline is 1-5%.
9. The inhalation device for controlling altitude stress according to claim 1, wherein: the sensor detects that the concentration of carbon dioxide exhaled by a human body is kept between 2.5 and 5 percent.
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| CN115382069B (en) * | 2022-09-13 | 2023-12-19 | 广州蓝仕威克医疗科技有限公司 | Breathing device for solving gas partial pressure balance in high altitude area |
| CN115624324A (en) * | 2022-10-27 | 2023-01-20 | 中国人民解放军陆军军医大学第二附属医院 | System for predicting altitude stress by combining cardiac function with end-tidal carbon dioxide partial pressure |
| CN115624324B (en) * | 2022-10-27 | 2023-07-25 | 中国人民解放军陆军军医大学第二附属医院 | System for predicting pre-reaction by combining cardiac function with end-tidal carbon dioxide partial pressure |
| CN116271378A (en) * | 2023-04-22 | 2023-06-23 | 罗远明 | Comfortable device capable of accurately controlling concentration of inhaled air and simultaneously detecting respiratory flow |
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