CN111821551A - Oxygen supply controller and oxygen supply system comprising same - Google Patents
Oxygen supply controller and oxygen supply system comprising same Download PDFInfo
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- CN111821551A CN111821551A CN202010808011.8A CN202010808011A CN111821551A CN 111821551 A CN111821551 A CN 111821551A CN 202010808011 A CN202010808011 A CN 202010808011A CN 111821551 A CN111821551 A CN 111821551A
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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
- A61M16/0003—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
- 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
-
- 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
-
- 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
-
- 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
- A61M2230/20—Blood composition characteristics
- A61M2230/205—Blood composition characteristics partial oxygen pressure (P-O2)
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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
Abstract
The invention discloses an oxygen supply controller and an oxygen supply system comprising the same, wherein the oxygen supply controller comprises: the device comprises an air inlet, an air outlet, a first pipeline, a pressure sensor, a flow sensor, a proportional regulating valve, a blood oxygen saturation monitor and a control unit; through the oxyhemoglobin saturation of real-time supervision user, with certain oxyhemoglobin saturation as oxygen suppliment control objective, when oxyhemoglobin saturation is less than this control objective, through pressure sensor real-time detection user's air flue's pressure waveform and send the control unit, the control unit accurately judges breathe in and exhale the action, combines high response speed's solenoid valve and high accuracy high response speed flow sensor to control the output opportunity and the output quantity of oxygen to improve oxygen utilization ratio. Meanwhile, the invention adopts independent modular design, does not depend on specific oxygen sources, can realize combination of various forms with different air sources, and meets the use requirements of more users.
Description
Technical Field
The invention relates to the field of medical oxygen supply, in particular to an oxygen supply controller and an oxygen supply system comprising the same.
Background
The purpose of oxygen inhalation is to suck bloodOxygen saturation (SpO)2) The normal level is improved, and the excessive high-concentration oxygen is inhaled, so that the health is not beneficial and the harm to the health is likely to be caused. At present, most portable oxygen machines adopt pulse mode oxygen suppliment, and this oxygen suppliment mode's outstanding problem is that the oxygen conservation effect is not obvious, and application scope is narrow, can not adjust the oxygen supply volume in real time according to user's blood oxygen situation, uses output oxygen concentration can reduce after a period of time simultaneously, and output flow error is big, can not be suitable for abominable service environment such as plateau, high and low temperature, high humidity well moreover. The other pulse oxygen machine supplies oxygen at a fixed frequency by means of the setting of an internal controller, is asynchronous with respiration, is easy to cause man-machine confrontation, and has poor oxygen inhalation effect.
Disclosure of Invention
The present invention provides an oxygen supply controller and an oxygen supply system including the same, so as to overcome the above technical problems.
The invention provides an oxygen supply controller, comprising: the oxygen supply device comprises a shell, an air inlet used for connecting different oxygen sources, an air outlet used for connecting an oxygen uptake pipe, a first pipeline, a second pressure sensor, a flow sensor, a proportion regulating valve, a blood oxygen saturation monitor and a control unit; the air inlet is positioned at one end of the shell; the air outlet is positioned at the other end of the shell; the proportional control valve and the flow sensor are connected in series between the air inlet and the air outlet through the first pipeline; the flow sensor is positioned at one side close to the air outlet; the first pipeline is provided with a second pressure sensor close to the air outlet; the second pressure sensor, flow sensor and blood oxygen saturation monitor send monitoring data to the control unit; and the control unit judges the breathing phase of the patient according to the monitoring data and controls the oxygen supply time and the oxygen supply amount of the proportional control valve.
Further, the blood oxygen saturation monitor is used for monitoring blood oxygen saturation data of a patient and sending the blood oxygen saturation data to the control unit; the flow sensor is used for monitoring oxygen flow data and sending the oxygen flow data to the control unit; the second pressure sensor is used for monitoring a pressure value in the first pipeline and sending the pressure value to the control unit; and the control unit is used for judging the breathing phase of the patient through a breathing phase identification algorithm according to the pressure value, and controlling the oxygen supply time and the oxygen supply amount through the proportional control valve according to the blood oxygen saturation data and the oxygen flow data.
Further, the control unit judges whether the patient needs to supply oxygen according to the blood oxygen saturation data, and controls the oxygen supply amount by controlling the proportional control valve.
Further, the control unit can be set to breath synchronous trigger pulse oxygen supply, blood oxygen monitoring intelligent oxygen supply, continuous oxygen supply, intermittent oxygen supply and manual emergency oxygen supply working modes.
Further, still include: a second pipeline, a manual control valve; the manual control valve is arranged on the second pipeline; and one end of the proportional control valve, which faces the air inlet, and one end of the flow sensor, which faces the air outlet, are connected with the first pipeline and the second pipeline in parallel.
Further, still include: a first pressure sensor; the first pressure sensor is arranged on the first pipeline close to the air inlet.
Further, still include: a pressure maintaining valve; the pressure stabilizing valve is arranged between the air inlet of the first pipeline and the proportion regulating valve.
Further, the different oxygen sources include: any one or more of an oxygen cylinder, a hospital oxygen supply device and an oxygen generator.
Further, the data transmission mode between the blood oxygen saturation monitor and the control unit adopts wireless transmission or wired transmission.
An oxygen supply system comprising: an oxygen supply controller and oxygen supply as claimed in claim 1.
The invention monitors the oxyhemoglobin saturation of the user in real time and takes a certain oxyhemoglobin saturation as an oxygen supply control target. When the blood oxygen saturation is lower than the control target, the pressure waveform of the airway of the user is detected in real time through the high-sensitivity pressure sensor and sent to the control unit, the control unit accurately judges inspiration and expiration actions, and the output time and the output quantity of oxygen are controlled by combining the high-response-speed electromagnetic valve and the high-precision high-response-speed flow sensor, so that the oxygen utilization rate is improved. Meanwhile, the invention adopts independent modular design, does not depend on specific oxygen sources, can realize combination of various forms with different air sources, and meets the use requirements of more users.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of an oxygen supply system;
FIG. 2 is a schematic view of the connection structure of the oxygen supply controller of the present invention and a hospital oxygen supply device;
FIG. 3 is a schematic view of the connection between the oxygen supply controller and the oxygen generator according to the present invention;
FIG. 4 is a schematic view of the connection structure of the oxygen supply controller and a plurality of oxygen cylinders;
FIG. 5 is a schematic diagram of a blood oxygen saturation monitor according to the present invention using a wired connection;
FIG. 6 is a schematic diagram of an oxygen supply controller;
fig. 7 is a schematic structural diagram of an oxygen supply controller with a pressure maintaining valve and a first pressure sensor.
The reference numbers illustrate:
2. a source of oxygen; 101. an air inlet; 102. an air outlet; 103. a first pipeline; 104. a second pipeline; 11. a housing; 12. a first pressure sensor; 13. a second pressure sensor; 14. a flow sensor; 15. a proportional regulating valve; 16. a blood oxygen saturation monitor; 17. a control unit; 18. a manual control valve; 19. a pressure maintaining valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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 present embodiment provides an oxygen supply controller, including: the oxygen saturation monitoring device comprises a shell 11, an air inlet 101 for connecting different oxygen sources, an air outlet 102 for connecting oxygen inhalation tubes, a first pipeline 103, a second pressure sensor 13, a flow sensor 14, a proportional control valve 15, a blood oxygen saturation monitor 16 and a control unit 17; the air inlet 101 is located at one end of the housing 11; the air outlet 102 is located at the other end of the housing 11; the proportional control valve 15 and the flow sensor 14 are connected in series between the gas inlet 101 and the gas outlet 102 through a first pipeline 103; flow sensor 14 is located on a side near outlet 102; a second pressure sensor 13 is arranged on the first pipeline 103 close to the air outlet 102; the second pressure sensor 13, the flow sensor 14, and the blood oxygen saturation monitor 16 send monitoring data to the control unit 17; the control unit 17 judges the breathing phase of the patient according to the monitoring data and controls the proportional control valve 15 to control the oxygen supply time and the oxygen supply amount.
Specifically, as shown in fig. 6, the air inlet 101 and the air outlet 102 are located on the surface of the housing as ports of an air path connection, the air inlet 101 is connected to an oxygen source during operation, the oxygen source may be an oxygen bottle, a hospital oxygen supply equipment belt, an oxygen generator or other oxygen sources allowed to be used, and the air outlet 102 is connected to an oxygen inhalation tube. The oximetry monitor 16 is external to the housing, separate from the host, and the remaining components are internal to the housing. The proportional regulating valve 15 is connected in series with the flow sensor 14 through a first pipe 103 and then connected between the gas inlet 101 and the gas outlet 102 through a pipe. The second pressure sensor 13 collects the pressure of the first pipeline 103 through a pipeline connection. The pressure sensor detects the pressure waveform of the airway of the user in real time, the shaped airway pressure signal is input to the main controller through the pressure signal conditioning circuit of the control unit 17, the main controller accurately judges inspiration and expiration actions through a breathing phase recognition algorithm, and meanwhile abnormal breathing events such as sneezing, coughing and the like are properly processed. The control unit 17 is provided with a blood oxygen saturation data receiver, controls the oxygen supply amount by receiving real-time blood oxygen saturation data sent by the blood oxygen saturation monitor 16 and combining with breath synchronous triggering to control the opening size and the opening time of the proportional control valve 15, realizes oxygen supply according to needs, and achieves the effect of more oxygen saving compared with an open-loop oxygen supply mode of independent breath synchronous triggering pulse oxygen supply.
The device parameters of the proportional control valve 15, the flow sensor 14, the second pressure sensor 13 and the blood oxygen saturation monitor 16 are as follows:
the proportion regulating valve 15 can adopt a normally closed two-position two-way electromagnetic valve, the response time is below 15ms, and the drift diameter is between 1.0mm and 4.0 mm.
The flow sensor 14 can measure the highest flow value which is not lower than 20slm, and the response speed is not more than 5 ms.
The pressure measurement range of the second pressure sensor 13 is less than or equal to +/-5 inH2O, the response speed is less than or equal to 5ms, and the measurement precision is not less than +/-1% FS.
The blood oxygen monitor 16 comprises a blood oxygen probe which comprises two light emitting diodes of red light with the wavelength of 660nm and near infrared light with the wavelength of 904nm as light sources of incident light, and comprises a photosensitive diode as a photoelectric converter.
In this embodiment, the control unit 17 determines whether the patient needs to supply oxygen based on the blood oxygen saturation data, and controls the amount of oxygen supplied by controlling the proportional regulating valve 15.
Specifically, the blood oxygen saturation monitor 16 monitors the blood oxygen saturation (SpO) of the human body in real time2) And transmits the data to the control unit 17 in real time, the control unit 17 based on the received blood oxygen saturation level (SpO)2) The data judges whether oxygen supply is needed or not, and then the oxygen supply amount is controlled by controlling the proportional regulating valve 15, and the whole control process is the saturation of oxygen (A)SpO2) Closed loop control of real time monitoring by oxygen saturation of blood (SpO)2) The technical scheme of closed-loop control realizes oxygen saving as far as possible, and the oxygen utilization rate is higher than that of the traditional breathing synchronous trigger pulse oxygen supply mode.
In this embodiment, the control unit 17 may be set to work modes of pulse oxygen supply triggered synchronously by respiration, blood oxygen monitoring intelligent oxygen supply, continuous oxygen supply, intermittent oxygen supply and manual emergency oxygen supply.
Specifically, the control unit 17 can at least realize a plurality of oxygen supply modes such as breath synchronous trigger pulse oxygen supply, oxyhemoglobin saturation monitoring intelligent oxygen supply, continuous oxygen supply, intermittent oxygen supply, manual emergency oxygen supply and the like through acquisition of related signals and program setting. The control unit 17 controls the pulse oximetry (SpO)2) Detection algorithm, blood oxygen saturation (SpO)2) The closed-loop oxygen supply control algorithm, the human body respiration phase detection algorithm, the human machine respiration synchronous pulse oxygen supply control algorithm, the continuous oxygen supply control algorithm and the intermittent oxygen supply control algorithm realize various working modes, and different oxygen supply modes are adopted according to different oxygen supply requirements of different users, so that the pertinence of oxygen supply objects is improved.
In this embodiment, as shown in fig. 1, the method further includes: second line 104, manual control valve 18; the manual control valve 18 is disposed on the second line 104; the end of the proportional regulating valve 15 facing the gas inlet 101 and the end of the flow sensor 14 facing the gas outlet 102 are both connected in parallel to the first line 103 and the second line 104. The manual emergency oxygen supply mode is realized by arranging the manual control valve 18, and the manual control valve (18) can still be used for manual operation even if the power supply of the equipment is exhausted, so that oxygen supply in an emergency situation is realized.
In this embodiment, the method further includes: a first pressure sensor 12; the first pressure sensor 12 is disposed in the first pipe 103 near the inlet 101.
Specifically, as shown in fig. 1, the first pressure sensor 12 is disposed at a position of the first pipeline 103 close to the air inlet 101, so that the air inlet 101 and the air outlet 102 can be respectively pressure-monitored by the first pressure sensor 12 and the second pressure sensor 13, thereby realizing segmented monitoring, on one hand, improving the accuracy of pressure monitoring, and on the other hand, selecting the pressure sensor for use according to different working modes or different pressure monitoring requirements.
In this embodiment, as shown in fig. 7, the method further includes: a pressure maintaining valve 19; the pressure maintaining valve 19 is provided between the intake port 101 of the first pipe 103 and the proportional regulating valve 15. The pressure regulator valve 19 can stabilize the air supply pressure to a desired magnitude, thereby allowing a wider selection range of the proportional control valve 15.
In this embodiment, the different oxygen sources include: any one or more of an oxygen cylinder, a hospital oxygen supply device and an oxygen generator. As shown in fig. 1, 2 and 3, the air inlet 101 of the oxygen supply controller is connected to the air inlet of the oxygen cylinder, the medical oxygen supply equipment and the oxygen generator. On one hand, the oxygen generator can be used by a plurality of people simultaneously, the oxygen absorption effect is not influenced, and on the other hand, the problem that the oxygen concentration of the oxygen generator in the plateau environment is not enough can be solved. As shown in fig. 4, the oxygen supply controller may be connected in parallel with a plurality of oxygen cylinders, and the oxygen cylinder outlet of each oxygen cylinder is connected with the controller inlet 101 of the oxygen supply controller. The oxygen cylinder may be a portable oxygen tank. Thereby realizing the purpose of meeting the requirements of patients who need to continuously inhale oxygen and go out frequently, and meeting the oxygen supplement requirements of people who enter the plateau.
In this embodiment, the data transmission between the blood oxygen saturation monitor 16 and the control unit 17 is wireless transmission or wired transmission.
Specifically, as shown in fig. 5, oximetry monitor 16 may be wired with the host portion of the oxygen supply controller through oximetry monitor interface 103. A wireless connection as shown in fig. 6 may also be employed. The wired connection can be applied to occasions requiring more reliable and accurate data transmission of blood oxygen signals, the wireless connection is more convenient for equipment deployment and implementation, and a data transmission form can be selected according to requirements during specific implementation.
As shown in fig. 1, the present embodiment provides an oxygen supply system including: an oxygen supply controller and an oxygen source 2 are connected in a way that an air outlet of an oxygen bottle or an air outlet of an oxygen generator is connected with an air inlet of the oxygen supply controller.
The whole beneficial effects are as follows:
the oxygen supply device solves the problem of large oxygen waste in the traditional oxygen inhalation mode, has the advantages of small product structure, light weight, strong environment adaptability, high reliability, portability, ultralow noise, no maintenance, wide application range, capability of being matched with various air sources for use, capability of realizing simultaneous oxygen supply of multiple persons by a single air source, and especially capability of supplying oxygen by blood oxygen saturation (SpO)2) The technical scheme of closed-loop control realizes oxygen saving as far as possible, and the oxygen utilization rate is higher than that of the traditional breathing synchronous trigger pulse oxygen supply mode. By using the oxygen supply controller, a user can inhale oxygen outdoors more simply and conveniently, and a longer oxygen inhalation time is obtained. The problem of insufficient oxygen production of the traditional PSA oxygen machine is solved for plateau areas. After adopting this oxygen suppliment controller, the user can easily realize multiple oxygen uptake mode, uses through the independent assortment with different air supplies simultaneously, lets the user obtain abundanter oxygen uptake and experiences. The oxygen supply system comprising the oxygen supply controller can be made lighter, smaller and smaller with low cost when reaching the same oxygen absorption effect with continuous oxygen supply, simultaneously reduces the power consumption of equipment and saves the use cost of users.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An oxygen supply controller, comprising:
the oxygen saturation monitoring device comprises a shell (11), an air inlet (101) used for connecting different oxygen sources, an air outlet (102) used for connecting an oxygen uptake pipe, a first pipeline (103), a second pressure sensor (13), a flow sensor (14), a proportional regulating valve (15), a blood oxygen saturation monitor (16) and a control unit (17);
the air inlet (101) is positioned at one end of the shell (11); the air outlet (102) is positioned at the other end of the shell (11); the proportional control valve (15) and the flow sensor (14) are connected in series between the gas inlet (101) and the gas outlet (102) through the first pipeline (103); the flow sensor (14) is positioned at one side close to the air outlet (102); the first pipeline (103) is provided with the second pressure sensor (13) close to the air outlet (102);
the second pressure sensor (13), flow sensor (14) and blood oxygen saturation monitor (16) send monitoring data to the control unit (17); and the control unit (17) judges the breathing phase of the patient according to the monitoring data and controls the oxygen supply time and the oxygen supply amount of the proportional control valve (15).
2. The oxygen supply controller according to claim 1, wherein the blood oxygen saturation monitor (16) is configured to monitor blood oxygen saturation data of the patient and to send the blood oxygen saturation data to the control unit (17); the flow sensor (14) is used for monitoring oxygen flow data and sending the oxygen flow data to the control unit (17); the second pressure sensor (13) is used for monitoring a pressure value in the first pipeline (103) and sending the pressure value to the control unit (17);
and the control unit (17) is used for judging the breathing phase of the patient through a breathing phase identification algorithm according to the pressure value, and controlling the oxygen supply time and the oxygen supply amount through the proportional control valve (15) according to the blood oxygen saturation data and the oxygen flow data.
3. The oxygen supply controller according to claim 2, wherein the control unit (17) determines whether the patient needs to supply oxygen based on the blood oxygen saturation data, and controls the amount of oxygen supplied by controlling the proportional regulating valve (15).
4. The oxygenation controller of claim 3, characterised in that the control unit (17) is configurable to breath synchronized triggered pulse oxygenation, blood oxygen monitoring smart oxygenation, continuous oxygenation, intermittent oxygenation and manual emergency oxygenation modes of operation.
5. The oxygen supply controller according to claim 4, further comprising:
a second line (104), a manual control valve (18);
the manual control valve (18) is arranged on the second pipeline (104); one end of the proportional control valve (15) facing the air inlet (101) and one end of the flow sensor (14) facing the air outlet (102) are connected with the first pipeline (103) and the second pipeline (104) in parallel.
6. The oxygen supply controller according to claim 1, further comprising:
a first pressure sensor (12);
the first pressure sensor (12) is arranged on the first pipeline (103) close to the air inlet (101).
7. The oxygen supply controller according to claim 1, further comprising:
a pressure maintaining valve (19);
the pressure stabilizing valve (19) is arranged between the air inlet (101) of the first pipeline (103) and the proportion regulating valve (15).
8. The oxygen supply controller of claim 1, wherein the different oxygen sources comprise: any one or more of an oxygen cylinder, a hospital oxygen supply device and an oxygen generator.
9. The oxygen supply controller according to claim 2, wherein the data transmission between the blood oxygen saturation monitor (16) and the control unit (17) is wireless transmission or wired transmission.
10. An oxygen supply system, comprising: an oxygen supply controller and oxygen source (2) as claimed in claim 1.
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| CN202010808011.8A CN111821551A (en) | 2020-08-12 | 2020-08-12 | Oxygen supply controller and oxygen supply system comprising same |
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| CN202010808011.8A CN111821551A (en) | 2020-08-12 | 2020-08-12 | Oxygen supply controller and oxygen supply system comprising same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101478A (en) * | 2021-03-23 | 2021-07-13 | 深圳大学 | Pulse type oxygen supply control device, method and system based on feedback |
| CN115043380A (en) * | 2022-07-04 | 2022-09-13 | 武汉理工大学 | Portable oxygenerator and product service system thereof |
-
2020
- 2020-08-12 CN CN202010808011.8A patent/CN111821551A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101478A (en) * | 2021-03-23 | 2021-07-13 | 深圳大学 | Pulse type oxygen supply control device, method and system based on feedback |
| CN115043380A (en) * | 2022-07-04 | 2022-09-13 | 武汉理工大学 | Portable oxygenerator and product service system thereof |
| CN115043380B (en) * | 2022-07-04 | 2023-10-20 | 武汉理工大学 | Portable oxygenerator and product service system thereof |
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