CN111494139A - Soft body micro-pressure oxygen cabin suitable for emergency rescue - Google Patents
Soft body micro-pressure oxygen cabin suitable for emergency rescue Download PDFInfo
- Publication number
- CN111494139A CN111494139A CN202010469578.7A CN202010469578A CN111494139A CN 111494139 A CN111494139 A CN 111494139A CN 202010469578 A CN202010469578 A CN 202010469578A CN 111494139 A CN111494139 A CN 111494139A
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- transparent soft
- module
- pressure
- cabin body
- oxygen
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 73
- 239000001301 oxygen Substances 0.000 title claims abstract description 73
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims abstract description 7
- 230000000249 desinfective effect Effects 0.000 claims abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 239000011941 photocatalyst Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 239000011229 interlayer Substances 0.000 claims description 7
- 150000001450 anions Chemical class 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 239000007901 soft capsule Substances 0.000 description 8
- 238000007789 sealing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 239000002775 capsule Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G10/00—Treatment rooms or enclosures for medical purposes
- A61G10/02—Treatment rooms or enclosures for medical purposes with artificial climate; with means to maintain a desired pressure, e.g. for germ-free rooms
- A61G10/023—Rooms for the treatment of patients at over- or under-pressure or at a variable pressure
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- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention discloses a soft body micro-pressure oxygen cabin suitable for emergency rescue, which comprises a transparent soft cabin body, and an oxygen generation module, a disinfection module and a pressurization module which are respectively connected with the transparent soft cabin body, wherein the oxygen generation module is used for conveying oxygen into the transparent soft cabin body, the disinfection module is used for disinfecting gas pumped out of the transparent soft cabin body, and the pressurization module is used for adjusting the atmospheric pressure in the transparent soft cabin body. The transparent soft cabin body can be folded and placed when not pressurized and inflated; during the use, the pressure boost module can be adjusted the internal atmospheric pressure in transparent soft cabin, just system oxygen module with the disinfection module makes the inside in the transparent soft cabin body is in relatively independent medical environment, and the transparent cabin body is convenient for medical personnel to observe the internal patient's in cabin situation, is favorable to patient's salvage. The devices are arranged on the movable rack, so that the soft micro-pressure oxygen cabin is lighter and more convenient to move, and is suitable for emergency rescue in various environments.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a soft micro-pressure oxygen cabin suitable for emergency rescue.
Background
In the process of emergency rescue and emergency rescue, the rescue of injured people is always important, and the isolation cabin and the hyperbaric oxygen cabin are indispensable medical equipment.
The emergency rescue usually takes place in the open air, even field, and current hyperbaric oxygen cabin and isolation capsule are mostly the hard structure, inconvenient transport and removal, and the function is not enough, influences the rescue effect.
Disclosure of Invention
In view of the above, there is a need for a soft micro-pressure oxygen chamber suitable for emergency rescue, which is easy to transport and move.
A soft body micro-pressure oxygen cabin suitable for emergency rescue comprises a transparent soft cabin body, and an oxygen generation module, a disinfection module and a pressurization module which are respectively connected with the transparent soft cabin body, wherein the oxygen generation module is used for conveying oxygen into the transparent soft cabin body, the disinfection module is used for disinfecting gas pumped out from the transparent soft cabin body, and the pressurization module is used for conveying air into the transparent soft cabin body so as to increase the air pressure in the transparent soft cabin body; the pressurizing module comprises a cabin pressure adjusting device, and the cabin pressure adjusting device is used for enabling the air pressure in the transparent soft cabin body to be constant at a preset air pressure value.
Further, the transparent soft cabin body is provided with an oxygen inlet, an exhaust port and an inflation pressurization port, the oxygen generation module is connected to the oxygen inlet through an oxygen transmission pipeline, an oxygen mask is arranged in the transparent soft cabin body, and the oxygen mask is connected to the oxygen inlet; the disinfection module is connected to the exhaust port through an exhaust pipeline; the pressurization module is connected to the inflation pressurization port through an inflation pipeline.
Further, the pressurizing module comprises a cabin pressure sensor and an exhaust electromagnetic valve, the cabin pressure sensor is used for detecting the air pressure in the transparent soft cabin body, and the exhaust electromagnetic valve is arranged on the exhaust pipeline and used for controlling the opening and closing of the exhaust port.
Further, the disinfection module is including set up in proper order in last well high-efficient filter, activated carbon filter, photocatalyst net, ultraviolet lamp, anion generator and the amortization filter of giving vent to anger of exhaust duct, well high-efficient filter, activated carbon filter, photocatalyst net, ultraviolet lamp, anion generator and the amortization filter of giving vent to anger are used for filtering, disinfecting and purifying the equipment exhaust air.
Further, the transparent soft cabin body is also provided with an overpressure safety valve and a manual exhaust valve, and the overpressure safety valve is used for automatically exhausting air in the transparent soft cabin body when the air pressure in the transparent soft cabin body is greater than a set value so as to stabilize the pressure in the transparent soft cabin body; and the manual exhaust valve is used for manually exhausting air in the transparent soft cabin body when the transparent soft cabin body needs to be opened for operation.
Further, an interlayer is arranged at the bottom of the transparent soft cabin body, and a bed board is arranged in the interlayer, so that the transparent soft cabin body is used as an isolation sickbed; the transparent soft cabin body is provided with a telescopic lifting rod, and the telescopic lifting rod is used for moving the transparent soft cabin body.
Furthermore, the transparent soft cabin body is also provided with a line pipe access port, and a double-layer zipper structure is arranged at the line pipe access port to prevent gas and liquid in the transparent soft cabin body from leaking; the line pipe access is used for connecting medical instruments used in the treatment and rescue of patients.
Further, the transparent soft cabin body is further provided with a timing safety valve, the timing safety valve comprises a timer, a pressure sensor and an electromagnetic valve, the pressure sensor is used for monitoring the pressure in the transparent soft cabin body, when the pressure in the transparent soft cabin body is larger than a preset value, the timer starts timing, and when the accumulated time of the timer reaches a set service life, the electromagnetic valve is changed from a normally closed state to a normally open state, so that the transparent soft cabin body loses pressure.
Further, the internal cooling dehydrating unit that still is provided with of transparent soft cabin, cooling dehydrating unit is used for improving the internal temperature and the humidity of transparent soft cabin increase the comfort level of the transparent soft cabin body.
Further, the device also comprises a power supply module which is used for supplying power to the oxygen generation module, the disinfection module and the pressurization module; the system oxygen module the disinfection module the pressure boost module with power module installs in a mobilizable frame, be equipped with the alarm lamp in the frame, the alarm lamp is used for instructing transparent soft cabin body reaches the system oxygen module the disinfection module with the running state of pressure boost module.
In the soft body micro-pressure oxygen cabin suitable for emergency rescue, the transparent soft cabin body can be folded and placed when the soft cabin body is not pressurized and inflated; during the use, the pressure boost module can be adjusted the internal atmospheric pressure in transparent soft cabin, just system oxygen module with the disinfection module makes the inside in the transparent soft cabin body is in relatively independent medical environment, and the transparent cabin body is convenient for medical personnel to observe the internal patient's in cabin situation, is favorable to patient's salvage. The devices are arranged on the movable rack, so that the soft micro-pressure oxygen cabin is lighter and more convenient to move, and is suitable for emergency rescue in various environments. The invention has simple structure, easy realization, low cost and convenient popularization.
Drawings
Fig. 1 is a schematic structural view of a soft micro-pressure oxygen chamber suitable for emergency rescue according to an embodiment of the present invention.
Fig. 2 is a front view of a transparent soft body of the soft body micro-pressure oxygen chamber suitable for emergency rescue according to the embodiment of the invention.
Fig. 3 is a schematic structural diagram of a disinfection module of a soft micro-pressure oxygen chamber suitable for emergency rescue according to an embodiment of the invention.
Fig. 4 is a schematic structural diagram of a timing safety valve of a soft micro-pressure oxygen chamber suitable for emergency rescue according to an embodiment of the invention.
Detailed Description
The present embodiment takes a soft micro-pressure oxygen chamber suitable for emergency rescue as an example, and the present invention will be described in detail with reference to the following specific embodiments and accompanying drawings.
Referring to fig. 1, a soft micro-pressure oxygen cabin 100 suitable for emergency rescue according to an embodiment of the present invention is shown, including a transparent soft cabin body 10, and an oxygen generation module 20, a disinfection module 30 and a pressurization module 40 respectively connected to the transparent soft cabin body 10, where the oxygen generation module 20 is configured to deliver oxygen into the transparent soft cabin body 10, the disinfection module 30 is configured to disinfect gas extracted from the transparent soft cabin body 10, and the pressurization module 40 is configured to deliver air into the transparent soft cabin body 10 to increase air pressure in the transparent soft cabin body 10; the pressurizing module 40 comprises a cabin pressure adjusting device 42, and the cabin pressure adjusting device 42 is used for making the air pressure in the transparent soft cabin body 10 constant at a preset air pressure value.
Further, referring to fig. 2, the transparent soft cabin 10 is shown, the transparent soft cabin 10 has an oxygen inlet 11, an exhaust port 12 and an inflation pressurization port 13, the oxygen generation module 20 is connected to the oxygen inlet 11 through an oxygen pipeline 21, an oxygen mask 111 is arranged in the transparent soft cabin 10, and the oxygen mask 111 is connected to the oxygen inlet 11; the disinfection module 30 is connected to the exhaust 12 by an exhaust duct 31; the pressurizing module 40 is connected to the inflation pressurizing port 13 through an inflation pipe 41.
Specifically, the transparent soft cabin 10 adopts a disposable transparent TPU cabin, and has the characteristics of wide hardness range, wear resistance, oil resistance, transparency, good elasticity and the like, so that the transparent soft cabin is more suitable for outdoor emergency rescue.
Further, an interlayer is arranged at the bottom of the transparent soft cabin body 10, and a bed board is arranged in the interlayer, so that the transparent soft cabin body 10 is used as an isolation sickbed; the transparent soft cabin 10 has a retractable lifting rod 14, and the retractable lifting rod 14 is used for moving the transparent soft cabin 10. The transparent soft cabin body 10 is also provided with a pipeline access port 15, and a double-layer zipper structure is arranged at the pipeline access port 15, so that gas and liquid inside the transparent soft cabin body 10 are prevented from leaking; the line access 15 is used to connect medical instruments used in the treatment and rescue of patients.
Specifically, the two sides of the interlayer extend along the length direction of the transparent soft cabin body 10, a through hole penetrates through the flange, the telescopic lifting rod 14 penetrates through the through hole, and the telescopic lifting rod 14 is used for moving the transparent soft cabin body 10.
Preferably, the length of the transparent soft cabin 10 is 1.9 meters, and the width is 0.8 meters, so that rescue workers can conveniently use the telescopic lifting rod 14 to move the transparent soft cabin 10, and the transparent soft cabin 10 can be used as a stretcher.
Further, the pressurization module 40 includes a cabin pressure sensor and an exhaust solenoid valve 183, the cabin pressure sensor is used for detecting the air pressure in the transparent soft cabin 10, and the exhaust solenoid valve 183 is arranged on the exhaust pipeline 31 and is used for controlling the opening and closing of the exhaust port 12.
Further, please refer to fig. 3, which illustrates the disinfection module 30, wherein the disinfection module 30 includes a middle high efficiency filter 32, an activated carbon filter 33, a photocatalyst net 34, an ultraviolet lamp 35, a negative ion generator 36 and an air outlet noise reduction filter 37, which are sequentially disposed on the exhaust duct 31, and the middle high efficiency filter 32, the activated carbon filter 33, the photocatalyst net 34, the ultraviolet lamp 35, the negative ion generator 36 and the air outlet noise reduction filter 37 are used for filtering, disinfecting and purifying air exhausted by the apparatus.
Specifically, the air sterilizing machine further comprises an ultrasonic sealing box 38, the activated carbon filter 33, the photocatalyst net 34, the ultraviolet lamp 35 and the anion generator 36 are arranged in the ultrasonic sealing box 38, the ultrasonic sealing box 38 is used for inhibiting the activated carbon filter 33, the photocatalyst net 34, the ultraviolet lamp 35 and the anion generator 36 transmit vibration outwards when in operation, and low-noise operation of the equipment is realized.
Further, the transparent soft capsule body 10 is further provided with an overpressure safety valve 16 and a manual exhaust valve 17, wherein the overpressure safety valve 16 is used for automatically exhausting air in the transparent soft capsule body 10 when the air pressure inside the transparent soft capsule body 10 is greater than a set value so as to stabilize the pressure inside the transparent soft capsule body 10; the manual exhaust valve 17 is used for manually exhausting the air in the transparent soft cabin body 10 when the transparent soft cabin body 10 needs to be opened.
Further, referring to fig. 4, the transparent soft capsule body 10 is further provided with a timing safety valve 18, the timing safety valve 18 includes a timer 181, a pressure sensor 182 and an electromagnetic valve 183, the pressure sensor 182 is configured to monitor a pressure in the transparent soft capsule body 10, when the pressure in the transparent soft capsule body 10 is greater than a predetermined value, the timer 181 starts to time, and when an accumulated duration of the timer 181 reaches a set service life, the electromagnetic valve 183 is switched from a normally closed state to a normally open state, so that the transparent soft capsule body 10 loses pressure.
Further, still be provided with cooling dehydrating unit 50 in the transparent soft cabin body 10, cooling dehydrating unit 50 is used for improving temperature and humidity in the transparent soft cabin body 10 increase the comfort level of the transparent soft cabin body 10.
Specifically, the cooling and dehumidifying device 50 includes a temperature and humidity sensor, an air heating assembly and an air dehumidifying assembly, and when the temperature and humidity values of the air in the transparent soft cabin 10 detected by the temperature and humidity sensor exceed preset values, the air heating assembly and the air dehumidifying assembly are started to deliver warm and dry air into the transparent soft cabin 10.
Further, a power module 60 is included for supplying power to the oxygen generation module 20, the sterilization module 30, and the pressurization module 40.
Further, the oxygen generation module 20, the disinfection module 30, the pressurization module 40 and the power module 60 are installed on a movable rack 70, an alarm lamp 71 is installed on the rack 70, and the alarm lamp 71 is used for indicating the operation states of the transparent soft cabin 10, the oxygen generation module 20, the disinfection module 30 and the pressurization module 40.
In the soft micro-pressure oxygen cabin 100 suitable for emergency rescue, the transparent soft cabin body 10 can be folded and placed when not pressurized and inflated; during the use, pressure boost module 40 can adjust atmospheric pressure in the transparent soft cabin body 10, just system oxygen module 20 with disinfection module 30 makes the inside of the transparent soft cabin body 10 is in relatively independent medical environment, and the transparent cabin body is convenient for medical personnel to observe the internal patient's in cabin situation, is favorable to patient's rescue. The devices are arranged on the movable rack 70, so that the soft micro-pressure oxygen cabin is more portable and convenient to move, and is suitable for emergency rescue in various environments. The invention has simple structure, easy realization, low cost and convenient popularization.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, and those skilled in the art can make various modifications and changes. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A soft body micro-pressure oxygen cabin suitable for emergency rescue comprises a transparent soft cabin body, and an oxygen generation module, a disinfection module and a pressurization module which are respectively connected with the transparent soft cabin body, wherein the oxygen generation module is used for conveying oxygen into the transparent soft cabin body, the disinfection module is used for disinfecting gas pumped out from the transparent soft cabin body, and the pressurization module is used for conveying air into the transparent soft cabin body so as to increase the air pressure in the transparent soft cabin body; the pressurizing module comprises a cabin pressure adjusting device, and the cabin pressure adjusting device is used for enabling the air pressure in the transparent soft cabin body to be constant at a preset air pressure value.
2. The soft micro-pressure oxygen cabin suitable for emergency rescue of claim 1, wherein the transparent soft cabin body is provided with an oxygen inlet, an air outlet and an inflation pressurizing port, the oxygen generation module is connected to the oxygen inlet through an oxygen transmission pipeline, and an oxygen mask is arranged in the transparent soft cabin body and connected to the oxygen inlet; the disinfection module is connected to the exhaust port through an exhaust pipeline; the pressurization module is connected to the inflation pressurization port through an inflation pipeline.
3. The soft body micro-pressure oxygen cabin suitable for emergency rescue according to claim 2, wherein the cabin pressure adjusting device comprises a cabin pressure sensor and an exhaust solenoid valve, the cabin pressure sensor is used for detecting the air pressure in the transparent soft cabin body, and the exhaust solenoid valve is arranged on the exhaust pipeline and is used for controlling the opening and closing of the exhaust port.
4. The soft micro-pressure oxygen cabin suitable for emergency rescue according to claim 2, wherein the disinfection module comprises a middle-high efficiency filter, an activated carbon filter, a photocatalyst net, an ultraviolet lamp, an anion generator and an air outlet noise reduction filter which are sequentially arranged on the exhaust pipeline, and the middle-high efficiency filter, the activated carbon filter, the photocatalyst net, the ultraviolet lamp, the anion generator and the air outlet noise reduction filter are used for filtering, disinfecting and purifying air exhausted by equipment.
5. The soft body micro-pressure oxygen chamber suitable for emergency rescue according to claim 2, wherein the transparent soft chamber body is further provided with an overpressure safety valve and a manual exhaust valve, the overpressure safety valve is used for automatically exhausting air in the transparent soft chamber body when the air pressure in the transparent soft chamber body is greater than a set value so as to stabilize the pressure in the transparent soft chamber body; and the manual exhaust valve is used for manually exhausting air in the transparent soft cabin body when the transparent soft cabin body needs to be opened for operation.
6. The soft micro-pressure oxygen cabin suitable for emergency rescue according to claim 1, wherein the transparent soft cabin body is provided with an interlayer at the bottom, and a bed board is arranged in the interlayer, so that the transparent soft cabin body can be used as an isolation sickbed; the transparent soft cabin body is provided with a telescopic lifting rod, and the telescopic lifting rod is used for moving the transparent soft cabin body.
7. The soft micro-pressure oxygen chamber suitable for emergency rescue according to claim 1, wherein the transparent soft chamber body is further provided with a conduit access port, and a double-layer zipper structure is arranged at the conduit access port to prevent gas and liquid inside the transparent soft chamber body from leaking; the line pipe access is used for connecting medical instruments used in the treatment and rescue of patients.
8. The soft micro-pressure oxygen cabin suitable for emergency rescue according to claim 1, wherein the transparent soft cabin body is further provided with a timing safety valve, the timing safety valve comprises a timer, a pressure sensor and a solenoid valve, the pressure sensor is used for monitoring the pressure in the transparent soft cabin body, when the pressure in the transparent soft cabin body is greater than a predetermined value, the timer starts to time, and when the accumulated duration of the timer reaches a set service life, the solenoid valve is changed from a normally closed state to a normally open state, so that the transparent soft cabin body is depressurized.
9. The soft micro-pressure oxygen cabin suitable for emergency rescue according to claim 1, wherein a cooling and dehumidifying device is further arranged in the transparent soft cabin body, and the cooling and dehumidifying device is used for improving the temperature and humidity in the transparent soft cabin body and increasing the comfort level of the transparent soft cabin body.
10. The soft micro-pressure oxygen cabin suitable for emergency rescue of claim 1, further comprising a power module for supplying power to the oxygen generation module, the disinfection module and the pressurization module; the system oxygen module the disinfection module the pressure boost module with power module installs in a mobilizable frame, be equipped with the alarm lamp in the frame, the alarm lamp is used for instructing transparent soft cabin body reaches the system oxygen module the disinfection module with the running state of pressure boost module.
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CN202010469578.7A CN111494139A (en) | 2020-05-28 | 2020-05-28 | Soft body micro-pressure oxygen cabin suitable for emergency rescue |
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CN202010469578.7A CN111494139A (en) | 2020-05-28 | 2020-05-28 | Soft body micro-pressure oxygen cabin suitable for emergency rescue |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113545945A (en) * | 2021-07-09 | 2021-10-26 | 江苏强美医疗科技有限公司 | Hyperbaric oxygen chamber equipment based on medical system |
CN115317745A (en) * | 2022-09-28 | 2022-11-11 | 中南大学湘雅医院 | First-aid respirator device for medical hyperbaric oxygen chamber |
Citations (4)
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CN209347498U (en) * | 2018-08-30 | 2019-09-06 | 广东氧丰科技有限公司 | With the intelligent domestic oxygen cabin of dehumidifying and cooling function and its host |
CN110236842A (en) * | 2019-07-02 | 2019-09-17 | 青海青峰激光集成技术与应用研究院 | A kind of police plateau minute-pressure balance cabin |
CN210303015U (en) * | 2019-05-22 | 2020-04-14 | 珠海达汉电子科技有限公司 | Photocatalyst air purification device |
CN212699464U (en) * | 2020-05-28 | 2021-03-16 | 广东氧丰科技有限公司 | Soft body micro-pressure oxygen cabin suitable for emergency rescue |
-
2020
- 2020-05-28 CN CN202010469578.7A patent/CN111494139A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN209347498U (en) * | 2018-08-30 | 2019-09-06 | 广东氧丰科技有限公司 | With the intelligent domestic oxygen cabin of dehumidifying and cooling function and its host |
CN210303015U (en) * | 2019-05-22 | 2020-04-14 | 珠海达汉电子科技有限公司 | Photocatalyst air purification device |
CN110236842A (en) * | 2019-07-02 | 2019-09-17 | 青海青峰激光集成技术与应用研究院 | A kind of police plateau minute-pressure balance cabin |
CN212699464U (en) * | 2020-05-28 | 2021-03-16 | 广东氧丰科技有限公司 | Soft body micro-pressure oxygen cabin suitable for emergency rescue |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113545945A (en) * | 2021-07-09 | 2021-10-26 | 江苏强美医疗科技有限公司 | Hyperbaric oxygen chamber equipment based on medical system |
CN115317745A (en) * | 2022-09-28 | 2022-11-11 | 中南大学湘雅医院 | First-aid respirator device for medical hyperbaric oxygen chamber |
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