CN219921789U - High-flow respiration humidification therapeutic apparatus - Google Patents
High-flow respiration humidification therapeutic apparatus Download PDFInfo
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- CN219921789U CN219921789U CN202320997485.0U CN202320997485U CN219921789U CN 219921789 U CN219921789 U CN 219921789U CN 202320997485 U CN202320997485 U CN 202320997485U CN 219921789 U CN219921789 U CN 219921789U
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Abstract
The utility model provides a high-flow respiratory humidification therapeutic apparatus, which comprises an air-oxygen mixing tank, a fan, a nasal oxygen tube, a respiratory action sensor and processing equipment, wherein the air-oxygen mixing tank is connected with the fan; an air inlet of the air-oxygen mixing tank is respectively communicated with an air inlet end and an oxygen inlet end, an air outlet of the air-oxygen mixing tank is communicated with a nasal oxygen tube through a fan, an electric control valve for adjusting oxygen flow is arranged on the oxygen inlet end, a sensitive element of a breathing motion sensor is arranged in the nasal oxygen tube, or the sensitive element of the breathing motion sensor is communicated with the nasal oxygen tube through a first air duct; the electric control valve and the breathing action sensor are electrically connected with the processing equipment. Can reduce oxygen consumption.
Description
Technical Field
The utility model relates to the technical field of respiratory therapeutic apparatuses, in particular to a high-flow respiratory humidification therapeutic apparatus.
Background
The high flow respiratory humidification therapeutic apparatus is used for conveying heated and humidified air-oxygen mixed gas to a patient through a high flow special nasal catheter or other patient interfaces, and is clinically used for patients suffering from mild-moderate hypoxia blood diseases such as hypoxia respiratory failure, such as ARDS, pneumonia, pulmonary fibrosis, cardiac pulmonary edema and the like. Has positive therapeutic effect on patients with simple hypoxia respiratory failure (type I respiratory failure), has certain therapeutic effect on partial patients with mild hypoxia-hypercarbonate (type II respiratory failure), and has remarkable therapeutic effect on novel high-flow respiratory humidification therapeutic apparatus for patients with coronavirus pneumonia. The high-flow respiratory humidification therapeutic apparatus does not need to use a closed mask or a nose mask, so that the user compliance is good and the body feeling comfort is good; can provide stable high oxygen absorption concentration, and quickly and effectively improve blood oxygen; the physiological anatomical dead space is flushed through high flow, so that the rebreathing of carbon dioxide is reduced; fully moistens and warms so as to ensure that the airway mucociliary clearance function is in an optimal state.
However, the oxygen consumption is great in the working process of the high-flow respiratory humidification therapeutic apparatus, and for the type I respiratory failure emergency patient, the HFNC (nasal high flow humidification oxygen therapy) gas initial flow is set to 40-60L/min, and the initial oxygen concentration is 100%; for emergency patients with type II respiratory failure, it is recommended that the initial flow of HFNC gas be set to 50-60L/min and the initial oxygen concentration be 90%. The traditional central oxygen supply system of the hospital is designed according to the standard design of 5-10 (L/min) of each bed of an emergency/severe bed and 3-5 (L/min) of each bed of a common sickbed, and the oxygen flow consumption of 40-60L/min is 10-20 times of that of the original oxygen supply system of the hospital, so that great challenges are brought to the oxygen supply system of the hospital, and the problem of insufficient oxygen supply is already exposed in some hospitals using high-flow humidification therapeutic instruments at present. The oxygenerator is also one of oxygen sources for high-flow respiratory humidification treatment, but the flow of the current mainstream movable oxygenerator is generally 1-10L/min, and even the oxygenerator with the flow of 10L/min is difficult to meet the requirement of the high-flow respiratory humidification treatment.
For this reason, there is a need for a high flow respiratory humidification therapy device that reduces oxygen consumption.
Disclosure of Invention
First, the technical problem to be solved
In view of the problems with the above-described techniques, the present utility model addresses, at least to some extent. Therefore, the utility model aims to provide a high-flow respiratory humidification therapeutic apparatus which can reduce oxygen consumption.
(II) technical scheme
In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:
the utility model provides a high-flow respiratory humidification therapeutic apparatus, which comprises an air-oxygen mixing tank, a fan, a nasal oxygen tube, a respiratory action sensor and processing equipment, wherein the air-oxygen mixing tank is connected with the fan; an air inlet of the air-oxygen mixing tank is respectively communicated with an air inlet end and an oxygen inlet end, an air outlet of the air-oxygen mixing tank is communicated with a nasal oxygen tube through a fan, an electric control valve for adjusting oxygen flow is arranged on the oxygen inlet end, a sensitive element of a breathing motion sensor is arranged in the nasal oxygen tube, or the sensitive element of the breathing motion sensor is communicated with the nasal oxygen tube through a first air duct; the electric control valve and the breathing action sensor are electrically connected with the processing equipment.
Optionally, the respiratory action sensor is a pressure sensor, a temperature sensor or a humidity sensor, and a sensitive element of the respiratory action sensor is arranged in the nasal oxygen cannula.
Optionally, the respiratory action sensor is a pressure sensor, and a sensitive element of the respiratory action sensor is communicated with the nasal oxygen cannula through the first airway.
Optionally, the inner diameter of the first air duct is 0.8-2 mm, and the length of the first air duct is less than 1.5m.
Optionally, the nasal oxygen cannula comprises a tubular main body, and a tubular first air outlet hole and a tubular second air outlet hole which respectively correspond to the left nostril and the right nostril of the human body; the first air outlet hole and the second air outlet hole are communicated with the main body, the first air outlet hole and the second air outlet hole are arranged on the first side portion of the main body side by side, the end portion of the main body is provided with an air inlet hole, the fan supplies air into the nasal oxygen tube through the air inlet hole, and the sensitive element of the breathing motion sensor is arranged in the nasal oxygen tube and located at one end of the nasal oxygen tube.
Optionally, the nasal oxygen cannula comprises a tubular main body, a tubular air guide hole, a tubular first air outlet hole and a tubular second air outlet hole which respectively correspond to the left nostril and the right nostril of the human body; the air guide hole, the first air outlet hole and the second air outlet hole are all communicated with the main body, the first air outlet hole and the second air outlet hole are arranged on the first side part of the main body side by side, the end part of the main body is provided with an air inlet hole, the fan feeds air into the nasal oxygen tube through the air inlet hole, and the main body is communicated with the first air guide tube through the air guide hole.
Optionally, the air vent is provided at the second side of the body or at an end of the body.
Optionally, the high-flow respiratory humidification therapeutic apparatus further comprises an air inlet runner, a humidification tank and a heating module; the air outlet of the air-oxygen mixing tank is communicated with the air inlet of the air inlet flow passage through a fan, the air outlet of the air inlet flow passage is communicated with the air inlet of the humidifying tank, the air outlet of the humidifying tank is communicated with the nasal oxygen tube, and the heating module is used for heating purified water in the humidifying tank so as to evaporate water; the heating module is electrically connected with the processing equipment.
Optionally, the high-flow respiratory humidification therapeutic apparatus further comprises a heating tube and a second air duct; the air outlet of the humidifying tank is communicated with the air inlet of the heating pipe, the air outlet of the heating pipe is communicated with the air inlet of the second air guide pipe, the air outlet of the second air guide pipe is communicated with the nasal oxygen pipe, and the heating pipe is electrically connected with the treatment equipment.
(III) beneficial effects
The beneficial effects of the utility model are as follows:
the high-flow respiratory humidification therapeutic apparatus provided by the utility model realizes real-time monitoring of human respiratory action (in a respiratory cycle, the inspiration time is about 1/3 and the expiration time is about 2/3) by means of the respiratory action sensor, can realize control and adjustment of oxygen flow in an oxygen inlet end by means of the electric control valve, provides a structural basis for synchronous high-flow oxygen supply of respiration (namely, high-flow oxygen supply is only carried out in the inspiration stage) by electrically connecting the electric control valve and the respiratory action sensor with the processing equipment, provides a reliable framework for automatic high-flow oxygen supply, and further can realize high-flow oxygen supply only in the inspiration process, and the inspiration time is about 1/3, so that the high-flow oxygen supply time is about 1/3 of the whole time, the oxygen consumption can be reduced by 60-70%, and the supply of high-flow oxygen in the inspiration process is ensured. Therefore, the high-flow respiratory humidification therapeutic apparatus provided by the embodiment can greatly reduce the pressure of the oxygen supply system of a hospital, and can also remarkably improve the therapeutic effect by matching with a mobile oxygenerator for household treatment.
Drawings
The utility model is described with the aid of the following figures:
FIG. 1 is a schematic diagram of a high flow respiratory humidification therapeutic apparatus according to example 1 of the present utility model;
FIG. 2 is a schematic diagram showing the cooperation structure of a respiratory motion sensor and a nasal oxygen cannula according to embodiment 1 of the present utility model;
FIG. 3 is a schematic diagram of a high flow respiratory humidification therapeutic apparatus according to example 2 of the present utility model;
fig. 4 is a schematic diagram showing a configuration of a breathing motion sensor and a nasal oxygen cannula according to embodiment 2 of the present utility model.
[ reference numerals description ]
11: an air inlet end; 12: an oxygen inlet end; 13: an electric control valve;
2: an air-oxygen mixing tank;
3: a blower;
4: a nasal oxygen cannula; 41: a main body; 42: a first air outlet hole; 43: a second air outlet hole; 44: an air guide hole;
51: a respiratory motion sensor; 52: a first air duct;
6: a processing device;
7: an intake runner;
81: a humidifying tank; 82: a heating module;
91: heating pipes; 92: and a second air duct.
Detailed Description
The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings.
Example 1
As shown in fig. 1 and 2, the present embodiment provides a high-flow respiratory humidification therapeutic apparatus, which includes an air-oxygen mixing tank 2, a blower 3, a nasal oxygen cannula 4, a respiratory motion sensor 51, and a processing device 6; the air inlet of the air-oxygen mixing tank 2 is respectively communicated with an air inlet end 11 and an oxygen inlet end 12, the air outlet of the air-oxygen mixing tank 2 is communicated with a nasal oxygen tube 4 through a fan 3, an electric control valve 13 for adjusting the flow of oxygen is arranged on the oxygen inlet end 12, and a sensitive element of a breathing action sensor 51 is arranged in the nasal oxygen tube 4; the electronically controlled valve 13 and the respiratory motion sensor 51 are both electrically connected to the processing device 6. The sensing element of the respiratory motion sensor 51 is used to directly sense the measured. The high-flow respiratory humidification therapeutic apparatus is characterized in that the respiratory action of a human body is monitored in real time by means of the respiratory action sensor 51 (the respiratory time is about 1/3 of the respiratory time and the respiratory time is about 2/3 of the respiratory time), the control and the adjustment of the oxygen flow in the oxygen inlet end 12 can be realized by means of the electric control valve 13, the electric control valve 13 and the respiratory action sensor 51 are electrically connected with the processing equipment 6, a structural basis is provided for synchronous high-flow oxygen supply of respiration (namely, high-flow oxygen supply is only performed in the respiratory phase), a reliable framework is provided for automatic high-flow oxygen supply, and further, the high-flow oxygen supply only in the respiratory process can be realized, and the respiratory time only occupies about 1/3 of the whole time, so that the oxygen consumption can be reduced by 60-70% and the high-flow oxygen supply in the respiratory process is ensured.
Therefore, the high-flow respiratory humidification therapeutic apparatus provided by the embodiment can greatly reduce the pressure of the oxygen supply system of a hospital, and can also remarkably improve the therapeutic effect by matching with a mobile oxygenerator for household treatment.
Preferably, the respiratory motion sensor 51 is a pressure sensor, a temperature sensor or a humidity sensor. The pressure, temperature or humidity of the gas under the nostrils can be synchronously changed during the breathing process of the person. Therefore, the sensitive element of the pressure sensor is arranged in the nasal oxygen tube 4, and the breathing action of a human body can be reflected by the gas pressure change in the nasal oxygen tube 4 dynamically monitored by the pressure sensor; the sensitive element of the temperature sensor is arranged in the nasal oxygen tube 4, and the temperature change of the gas in the nasal oxygen tube 4 dynamically monitored by the temperature sensor can reflect the breathing action of a human body; the sensitive element of the humidity sensor is arranged in the nasal oxygen tube 4, and the change of the humidity of the gas in the nasal oxygen tube 4, which is dynamically monitored by the humidity sensor, can reflect the breathing action of a human body.
Preferably, the nasal oxygen cannula 4 includes a tubular main body 41, and a tubular first air outlet hole 42 and a tubular second air outlet hole 43 corresponding to the left and right nostrils of the human body, respectively; the first air outlet hole 42 and the second air outlet hole 43 are communicated with the main body 41, the first air outlet hole 42 and the second air outlet hole 43 are arranged on the first side part of the main body 41 side by side, an air inlet hole is formed in the end part of the main body 41, the fan 3 supplies air into the nasal oxygen tube 4 through the air inlet hole, and the sensitive element of the breathing action sensor 51 is arranged in the nasal oxygen tube 4 and located at one end of the nasal oxygen tube 4.
Preferably, the high-flow respiratory humidification therapeutic apparatus further comprises an air inlet flow channel 7, a humidification tank 81 and a heating module 82; the air outlet of the air-oxygen mixing tank 2 is communicated with the air inlet of the air inlet flow channel 7 through the fan 3, the air outlet of the air inlet flow channel 7 is communicated with the air inlet of the humidifying tank 81, the air outlet of the humidifying tank 81 is communicated with the nasal oxygen tube 4, and the heating module 82 is used for heating purified water in the humidifying tank 81 so as to evaporate water; the heating module 82 is electrically connected to the processing apparatus 6. Thus, air enters the air-oxygen mixing tank 2 through the air inlet end 11, oxygen enters the air-oxygen mixing tank 2 through the oxygen inlet end 12, air and oxygen are mixed in the air-oxygen mixing tank 2 to obtain air-oxygen mixture, the air-oxygen mixture is sucked from the air-oxygen mixing tank 2 under the action of the fan 3 and enters the humidifying tank 81 through the air inlet runner 7, and the air-oxygen mixture blown into the humidifying tank 81 carries evaporated moisture in the humidifying tank 81 to enter the nasal oxygen tube 4 so as to guide the humidifying gas into nostrils. The heating module 82 is electrically connected to the processing apparatus 6, and the humidity of the air-oxygen mixture can be controlled by the processing apparatus 6.
Further preferably, the high flow respiratory humidification therapeutic apparatus further comprises a heating tube 91 and a second air duct 92; the air outlet of the humidifying pot 81 is communicated with the air inlet of the heating pipe 91, the air outlet of the heating pipe 91 is communicated with the air inlet of the second air guide pipe 92, the air outlet of the second air guide pipe 92 is communicated with the nasal oxygen cannula 4, and the heating pipe 91 is electrically connected with the treatment equipment 6. Thus, the air-oxygen mixture passing through the humidification pot 81 flows through the heating pipe 91 and the second air duct 92 to enter the nasal oxygen cannula 4, and the heating pipe 91 heats the humidified air-oxygen mixture to introduce the heated humidified air into the nostrils. The heating pipe 91 is electrically connected to the processing apparatus 6, and the temperature of the air-oxygen mixture can be controlled by the processing apparatus 6.
Example 2
The main difference between this embodiment and embodiment 1 is that:
as shown in fig. 3 and 4, the present embodiment provides a high-flow respiratory humidification therapeutic apparatus, which includes an air-oxygen mixing tank 2, a blower 3, a nasal oxygen cannula 4, a first air duct 52, a respiratory motion sensor 51, and a processing device 6; the air inlet of the air-oxygen mixing tank 2 is respectively communicated with the air inlet end 11 and the oxygen inlet end 12, the air outlet of the air-oxygen mixing tank 2 is communicated with the nasal oxygen tube 4 through the fan 3, the oxygen inlet end 12 is provided with an electric control valve 13 for adjusting the oxygen flow, the sensitive element of the breathing action sensor 51 is communicated with the nasal oxygen tube 4 through a first air guide tube 52, and the electric control valve 13 and the breathing action sensor 51 are electrically connected with the processing equipment 6. The sensing element of the respiratory motion sensor 51 is used to directly sense the measured. The high-flow respiratory humidification therapeutic apparatus is characterized in that the respiratory action of a human body is monitored in real time by means of the respiratory action sensor 51 (the respiratory time is about 1/3 of the respiratory time and the respiratory time is about 2/3 of the respiratory time), the control and the adjustment of the oxygen flow in the oxygen inlet end 12 can be realized by means of the electric control valve 13, the electric control valve 13 and the respiratory action sensor 51 are electrically connected with the processing equipment 6, a structural basis is provided for synchronous high-flow oxygen supply of respiration (namely, high-flow oxygen supply is only performed in the respiratory phase), a reliable framework is provided for automatic high-flow oxygen supply, and further, the high-flow oxygen supply only in the respiratory process can be realized, and the respiratory time only occupies about 1/3 of the whole time, so that the oxygen consumption can be reduced by 60-70% and the high-flow oxygen supply in the respiratory process is ensured.
Preferably, the respiratory motion sensor 51 is a pressure sensor. During the respiration process, the gas pressure below the nostrils is transmitted to the pressure sensor through the first gas guide tube 52, and the change of the gas pressure dynamically monitored by the pressure sensor can reflect the respiration action of the human body.
Preferably, the inner diameter of the first air duct 52 is 0.8-2 mm, and the length of the first air duct 52 is less than 1.5m. Thus, the monitoring instantaneity of the pressure sensor is improved. Further preferably, the inner diameter of the first air duct 52 is 0.8 to 1.5mm, and the length of the first air duct 52 is less than 1m. So set up, further improve pressure sensor's monitoring instantaneity.
Preferably, the nasal oxygen cannula 4 includes a tubular main body 41, a tubular air guide hole 44, and a tubular first air outlet hole 42 and a tubular second air outlet hole 43 corresponding to the left nostril and the right nostril of the human body, respectively; the air vent 44, the first air vent 42 and the second air vent 43 are all communicated with the main body 41, the first air vent 42 and the second air vent 43 are arranged on the first side part of the main body 41 side by side, the end part of the main body 41 is provided with an air inlet hole, the fan 3 supplies air into the nasal oxygen cannula 4 through the air inlet hole, and the main body 41 is communicated with the first air guide tube 52 through the air vent 44.
Further preferably, the air vent 44 is provided at the second side of the body 41 or at an end of the body 41.
The rest is the same as in embodiment 1 and will not be described here again.
It should be understood that the above description of the specific embodiments of the present utility model is only for illustrating the technical route and features of the present utility model, and is for enabling those skilled in the art to understand the present utility model and implement it accordingly, but the present utility model is not limited to the above-described specific embodiments. All changes or modifications that come within the scope of the appended claims are intended to be embraced therein.
Claims (9)
1. A high-flow respiratory humidification therapeutic apparatus is characterized in that,
comprises an air-oxygen mixing tank (2), a fan (3), a nasal oxygen tube (4), a respiratory action sensor (51) and a processing device (6);
an air inlet of the air-oxygen mixing tank (2) is respectively communicated with an air inlet end (11) and an oxygen inlet end (12), an air outlet of the air-oxygen mixing tank (2) is communicated with a nasal oxygen pipe (4) through a fan (3), an electric control valve (13) for adjusting oxygen flow is arranged on the oxygen inlet end (12), and a sensitive element of a breathing motion sensor (51) is arranged in the nasal oxygen pipe (4), or a sensitive element of the breathing motion sensor (51) is communicated with the nasal oxygen pipe (4) through a first air duct (52);
the electric control valve (13) and the breathing action sensor (51) are electrically connected with the processing equipment (6).
2. The high flow respiratory humidification therapeutic apparatus of claim 1, wherein,
the breathing action sensor (51) is a pressure sensor, a temperature sensor or a humidity sensor, and a sensitive element of the breathing action sensor (51) is arranged in the nasal oxygen cannula (4).
3. The high flow respiratory humidification therapeutic apparatus of claim 1, wherein,
the breathing action sensor (51) is a pressure sensor, and a sensitive element of the breathing action sensor (51) is communicated with the nasal oxygen cannula (4) through a first air duct (52).
4. The high-flow respiratory humidification therapeutic apparatus of claim 3, wherein,
the inner diameter of the first air duct (52) is 0.8-2 mm, and the length of the first air duct (52) is less than 1.5m.
5. The high flow respiratory humidification therapeutic apparatus of claim 1, wherein,
the nasal oxygen cannula (4) comprises a tubular main body (41), a tubular first air outlet hole (42) and a tubular second air outlet hole (43) which are respectively corresponding to the left nostril and the right nostril of a human body; the first air outlet hole (42) and the second air outlet hole (43) are communicated with the main body (41), the first air outlet hole (42) and the second air outlet hole (43) are arranged on the first side part of the main body (41) side by side, an air inlet hole is formed in the end part of the main body (41), the fan (3) supplies air into the nasal oxygen tube (4) through the air inlet hole, and a sensitive element of the breathing action sensor (51) is arranged in the nasal oxygen tube (4) and located at one end of the nasal oxygen tube (4).
6. The high flow respiratory humidification therapeutic apparatus of claim 1, wherein,
the nasal oxygen cannula (4) comprises a tubular main body (41), a tubular air guide hole (44), and a tubular first air outlet hole (42) and a tubular second air outlet hole (43) which respectively correspond to the left nostril and the right nostril of a human body; the air guide hole (44), the first air outlet hole (42) and the second air outlet hole (43) are all communicated with the main body (41), the first air outlet hole (42) and the second air outlet hole (43) are arranged on the first side part of the main body (41) side by side, the end part of the main body (41) is provided with an air inlet hole, the fan (3) feeds air into the nasal oxygen tube (4) through the air inlet hole, and the main body (41) is communicated with the first air guide tube (52) through the air guide hole (44).
7. The high flow respiratory humidification therapeutic apparatus of claim 6, wherein,
the air vent (44) is provided on the second side of the main body (41) or on the end of the main body (41).
8. The high flow respiratory humidification therapeutic apparatus of claim 1, wherein,
the device also comprises an air inlet flow passage (7), a humidifying tank (81) and a heating module (82);
the air outlet of the air-oxygen mixing tank (2) is communicated with the air inlet of the air inlet flow passage (7) through the fan (3), the air outlet of the air inlet flow passage (7) is communicated with the air inlet of the humidifying tank (81), the air outlet of the humidifying tank (81) is communicated with the nasal oxygen tube (4), and the heating module (82) is used for heating purified water in the humidifying tank (81) so as to evaporate water; the heating module (82) is electrically connected to the processing device (6).
9. The high flow respiratory humidification therapeutic apparatus of claim 8, wherein,
the device also comprises a heating pipe (91) and a second air duct (92);
the air outlet of humidifying jar (81) communicates with the air inlet of heating pipe (91), and the air outlet of heating pipe (91) communicates with the air inlet of second air duct (92), and the air outlet of second air duct (92) communicates with nose oxygen pipe (4), and heating pipe (91) are connected with treatment facility (6) electricity.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320997485.0U CN219921789U (en) | 2023-04-27 | 2023-04-27 | High-flow respiration humidification therapeutic apparatus |
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| CN202320997485.0U CN219921789U (en) | 2023-04-27 | 2023-04-27 | High-flow respiration humidification therapeutic apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116421844A (en) * | 2023-04-27 | 2023-07-14 | 天津智善生物科技有限公司 | High-flow respiratory humidification therapeutic apparatus and method for monitoring end-tidal carbon dioxide by same |
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2023
- 2023-04-27 CN CN202320997485.0U patent/CN219921789U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116421844A (en) * | 2023-04-27 | 2023-07-14 | 天津智善生物科技有限公司 | High-flow respiratory humidification therapeutic apparatus and method for monitoring end-tidal carbon dioxide by same |
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