CN113134145A - Oxygen bag parallel connection type automatic oxygen supply device - Google Patents
Oxygen bag parallel connection type automatic oxygen supply device Download PDFInfo
- Publication number
- CN113134145A CN113134145A CN202110455206.3A CN202110455206A CN113134145A CN 113134145 A CN113134145 A CN 113134145A CN 202110455206 A CN202110455206 A CN 202110455206A CN 113134145 A CN113134145 A CN 113134145A
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- oxygen
- air outlet
- outlet pipe
- balancing weight
- main air
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 159
- 239000001301 oxygen Substances 0.000 title claims abstract description 159
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 159
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Classifications
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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
- A61M16/0057—Pumps therefor
- A61M16/0078—Breathing bags
-
- 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
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- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Emergency Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention relates to an oxygen bag parallel connection type automatic oxygen supply device, which comprises a base, a guide polished rod, a balancing weight, a main air outlet pipe, a transparent protection plate and a plurality of oxygen bags, wherein an air outlet hose is arranged on each oxygen bag; the periphery of each guide polished rod is sleeved with a sliding ring, each sliding ring is connected with a balancing weight through a connecting rod, and a plurality of inflated oxygen bags are arranged below the balancing weight in a stacked state; the main air outlet pipe is provided with a plurality of branch air outlet pipes communicated with the main air outlet pipe at intervals, each branch air outlet pipe is communicated with an air outlet hose on an oxygen bag through a communicating pipe, and the tail end of the main air outlet pipe is provided with a connecting plug which is connected with an oxygen pipe used by a patient. The oxygen bag parallel connection type automatic oxygen supply device provided by the invention has the advantages that under the pressure action of the balancing weight, oxygen in the oxygen bag supplies oxygen to a patient through the air outlet hose, the branch air outlet pipe and the main air outlet pipe, the more the oxygen bags are arranged, the longer the oxygen supply time is, and the technical problems of short oxygen supply time and manual pressure application of the oxygen bags are solved.
Description
Technical Field
The invention relates to an oxygen supply device, in particular to an automatic oxygen supply device with oxygen bags in parallel connection.
Background
The oxygen bag has the characteristics of convenient carrying and simple operation, and is suitable for hospital first aid, transportation and outgoing examination of patients. The volume of the medical oxygen bag is about 10L to 40L, under the condition that the oxygen bag is sufficiently oxygenated, the pressure in the oxygen bag can maintain automatic oxygen supply for 2-3 min because the gas pressure in the oxygen bag is higher than the external atmospheric pressure, and after the pressure in the oxygen bag is equal to the external pressure, medical staff are required to press the oxygen bag to exhaust.
However, in the process of going out for examination, the patient usually needs to pass through public places such as corridors, elevators, examination departments, and the like, the situation is relatively complicated, the pressing effect of medical staff on the oxygen bag is difficult to ensure, and both too little discharge or too much discharge of oxygen can cause adverse effects on the patient. In addition, in the process of outgoing examination of a patient, the patient may need to wait for a long time when meeting a queue, and if only one oxygen bag is carried, the oxygen may be insufficient, especially for a small oxygen bag of about 10-20L, the time for maintaining normal oxygen supply is short, and if the oxygen is insufficient, the life safety of the patient may be adversely affected.
Disclosure of Invention
The invention provides an automatic oxygen supply device with parallel oxygen bags, which can automatically apply pressure to the oxygen bags and effectively prolong the oxygen supply time.
The invention relates to an oxygen bag parallel connection type automatic oxygen supply device, which comprises a base, guide polished rods, balancing weights, a main air outlet pipe, transparent protection plates and a plurality of oxygen bags, wherein the number of the guide polished rods is 2 or more than 2, the guide polished rods are fixed on the base in a vertical state, and the transparent protection plates are arranged at the periphery of the guide polished rods; an air outlet hose is arranged on the oxygen bag; the method is characterized in that: the periphery of each guide polished rod is sleeved with a sliding ring which can freely slide along the length direction of the guide polished rod, the balancing weight is positioned between the guide polished rods, each sliding ring is connected with the balancing weight through a connecting rod, and a plurality of inflated oxygen bags are arranged below the balancing weight in a stacked state; a plurality of branch air outlet pipes communicated with the main air outlet pipe are arranged on the main air outlet pipe at intervals, each branch air outlet pipe is communicated with an air outlet hose on an oxygen bag through a communicating pipe, and a connecting plug is arranged at the tail end of the main air outlet pipe and is connected with a connector on an oxygen pipe used by a patient; under the pressure effect of the balancing weight on the oxygen bag below the balancing weight, oxygen in the oxygen bag sequentially flows through the air outlet hose, the communicating pipe, the branch air outlet pipe, the main air outlet pipe and the oxygen pipe to supply oxygen to the patient.
The oxygen bag parallel connection type automatic oxygen supply device is characterized in that a handle is arranged in the center of the upper surface of the balancing weight, a central cavity is formed in the center of the balancing weight, and a central balancing weight is placed in the central cavity; 4 peripheral cavities are uniformly formed in the periphery of the central cavity and used for storing the counter weights to be increased, and cavity cover plates are arranged on the peripheral cavities.
The oxygen bag parallel connection type automatic oxygen supply device comprises 4 guide polished rods, a rectangular frame is fixedly connected to the top ends of the guide polished rods, and the upper ends of the inner walls of the transparent protection plates are fixedly connected with the rectangular frame through connecting blocks.
The oxygen bag parallel connection type automatic oxygen supply device comprises a transparent protection plate, wherein the upper end of the transparent protection plate is provided with an opening, one surface of the transparent protection plate is provided with a movable door, the width of the movable door is half of the width of the surface where the movable door is located, one side of the movable door is hinged to the adjacent transparent protection plate through a hinge, and the movable door is provided with a handle; and a magnet is fixed at a position, close to the movable door, on the rectangular frame, and a magnetic metal block matched with the magnet is fixed at the upper end of the inner surface of the movable door.
The oxygen bag parallel connection type automatic oxygen supply device is characterized in that an adjusting switch for controlling the oxygen flow is arranged on the main air outlet pipe close to the connecting plug.
The oxygen bag parallel connection type automatic oxygen supply device of the invention is characterized in that the main air outlet pipe, the branch air outlet pipe and the air outlet hose are all rubber hoses, and the communicating pipe and the connecting plug are all hard plastic or glass pipes.
The oxygen bag parallel connection type automatic oxygen supply device of the invention has the advantages that if the number of the branch air outlet pipes on the main air outlet pipe is larger than that of the oxygen bags, the rest branch air outlet pipes on the main air outlet pipe, which are not connected with the oxygen bags, are connected with the communicating pipe and then sealed by the plugging cap.
The invention has the beneficial effects that: the automatic oxygen supply device with the oxygen bags capable of being connected in parallel is provided with a guide polished rod, a sliding ring, a balancing weight, a main air outlet pipe and a branch air outlet pipe, wherein a plurality of oxygen bags are arranged below the balancing weight; the balancing weight is connected with the sliding ring on the guide polish rod through the connecting rod, so that the weight of the balancing weight can be completely applied to the oxygen bag, oxygen in all the oxygen bags is supplied to patients through the air outlet hose, the branch air outlet pipe and the main air outlet pipe under the pressure action of the balancing weight, the more the oxygen bags are arranged, the longer the oxygen supply time is, the technical problems that the oxygen supply time of the existing oxygen bags is short and manual pressure application is needed are solved, the beneficial effects are obvious, and the oxygen supply device is suitable for application and popularization.
Drawings
FIG. 1 is a schematic structural diagram of a conventional oxygen bag;
FIG. 2 is a front view of the parallel type automatic oxygen supply device for oxygen bags of the present invention;
FIG. 3 is a top view of the parallel type automatic oxygen supply device for oxygen bags of the present invention;
FIG. 4 is a sectional view of the parallel type automatic oxygen supply device for oxygen bags of the present invention;
FIG. 5 is a schematic structural view of the oxygen bag parallel type automatic oxygen supply device of the present invention after the movable door is opened;
FIG. 6 is a schematic structural view of the main outlet duct and the branch outlet duct of the present invention.
In the figure: 1 oxygen bag, 2 air outlet hoses, 3 regulating switches, 4 bases, 5 guide polish rods, 6 balancing weights, 7 sliding rings, 8 connecting rods, 9 main air outlet pipes, 10 branch air outlet pipes, 11 communicating pipes, 12 connecting plugs, 13 plugging caps, 14 handles, 15 central chambers, 16 central balancing weights, 17 peripheral chambers, 18 chamber cover plates, 19 rectangular frames, 20 connecting blocks, 21 movable doors, 22 handles, 23 hinges, 24 magnets, 25 magnetic metal blocks, 26 transparent protecting plates, 27 oxygen pipes, 28 joints and 29 air supply pipes.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1, a schematic structural diagram of an existing oxygen bag is shown, an air outlet hose 2 is arranged on the oxygen bag 1, an adjusting switch 3 is arranged on the air outlet hose 2, a cavity for storing oxygen is arranged inside the oxygen bag 1, the air outlet hose 2 is communicated with the cavity inside the oxygen bag 1, oxygen in the oxygen bag 1 is supplied to a patient after flowing out through the air outlet hose 2, and the adjusting switch 3 is used for adjusting the oxygen supply flow to the patient through the air outlet hose 2.
As shown in fig. 2, fig. 3, fig. 4 and fig. 5, which respectively show a front view, a top view, a cross-sectional view and a structural schematic diagram after the movable door is opened, the oxygen bag parallel type automatic oxygen supply device of the present invention is composed of a base 4, guide polished rods 5, a sliding ring 7, a balancing weight 6, a transparent protection plate 26, a main air outlet pipe 9 and a plurality of oxygen bags 1, wherein the base 4 plays a role in fixing and supporting, the number of the guide polished rods 5 is 4, four guide polished rods 5 are fixed on the base 4 in a vertical direction, and the plurality of oxygen bags 1 are placed among the 4 guide polished rods 5 in a stacking manner. All the cover has a sliding ring 7 on every guide polish rod 5, and sliding ring 7 can follow the length direction free slip of guide polish rod 5, and balancing weight 6 is located the upper portion of the oxygen bag 1 of the top, and four angles of balancing weight 6 are connected with sliding ring 7 on 4 guide polish rods 5 through connecting rod 8, like this, exert pressure to oxygen bag 1 under the action of gravity of balancing weight 6.
One end of the main air outlet pipe 9 is sealed, the other end of the main air outlet pipe is connected with a connecting plug 12, a plurality of branch air outlet pipes 10 are arranged on the main air outlet pipe 9 at intervals, and the number of the branch air outlet pipes 10 is more than that of the stacked oxygen bags 1. The branch outlet pipe 10 is communicated with the main outlet pipe 9, and the outlet hose 2 on each oxygen bag 1 is communicated with the branch outlet pipe 10 through a communicating pipe 11, so that the oxygen stored in the oxygen bag 1 flows into the main outlet pipe 9. For the branch outlet pipe 10 on the main outlet pipe 9 which is not connected with the oxygen bag 1, the branch outlet pipe is firstly connected with the communicating pipe 11 and then is blocked by the blocking cap 13. The connector 12 at the end of the main outlet tube 9 is connected to a connector 28 on the patient's oxygen hose 27 so that oxygen from the main outlet tube 9 can enter the oxygen hose 27 and then be supplied to the patient via a gas supply tube 29 on the oxygen hose 27. The tail end of the main air outlet pipe 9 is also provided with an adjusting switch 3, and the oxygen supply flow of the main air outlet pipe 9 to the patient can be adjusted through the adjusting switch 3.
It can be seen that after a plurality of oxygen bags 1 are arranged among a plurality of guide polish rods 5 below the balancing weight 6, the gravity of the balancing weight 6 is applied to the oxygen bags 1 below, the extruded oxygen bags 1 can be automatically exhausted, and oxygen exhausted from the oxygen bags 1 supplies oxygen to patients sequentially through the air outlet hose 2, the branch air outlet pipe 10, the main air outlet pipe 9 and the oxygen pipe 27. Because a plurality of oxygen bags 1 are simultaneously input into one main air outlet pipe 9 for oxygen supply, the problem that the conventional single oxygen bag has short oxygen charging time is solved; meanwhile, the counterweight block is adopted for pressurizing, the problems that the pressure is not uniform and the pressure is possibly discontinuous due to manual extrusion in the prior art are solved, and normal oxygen supply is guaranteed.
The balancing weight 7 is in a cube shape, a central cavity 15 is arranged in the middle of the balancing weight 7, a central balancing weight 16 is placed in the central cavity 15, 4 peripheral cavities 17 are arranged on the periphery of the central cavity 15, and the peripheral cavities 17 are used for storing counterweights to be added. Normally, only one central weight 16 is placed to realize the pressurization and normal oxygen supply to the oxygen bag 1, and if the oxygen supply flow rate needs to be increased, the adjustment switch 3 is opened to be large, and meanwhile, a counterweight can be added in the peripheral chamber 17 to realize the pressurization and normal oxygen supply. The peripheral chamber 17 is shown with a chamber cover plate 18 to seal the weight placed in the peripheral chamber 17. A handle 14 is fixed at the center of the upper surface of the balancing weight 6, so that after a medical staff holds the handle 14 to lift the whole balancing weight 6, the oxygen bag 1 is placed below the balancing weight 6.
A transparent protective plate 26 is shown on the periphery of the guide rod 5. the use of the transparent protective plate 26 facilitates observation of the inside situation around the entire device, and measures are taken when an accident occurs. The upper end of the transparent protection plate 26 is opened so that the medical staff can hold the handle 14 to lift the whole balancing weight 6; the transparent protection plate 26 is formed by combining 4 panels, wherein one panel is the movable door 21, and the width of the movable door 21 is half of the width of the panel, so that the main air outlet pipe 9 can conveniently pass through the other half area without the panel, and the condition of the oxygen bag 1 in the transparent protection plate 26 can be observed.
The top end of the guided polish rod 5 is shown to be fixed with a rectangular frame 19 to ensure stability of the guided polish rod 5. The upper end of the inner wall of the transparent protection plate 26 is fixed to the rectangular frame 19 through the connection block 20 to ensure that the transparent protection plate 26 has good stability. One side of the movable door 21 is hinged on the transparent plate on the adjacent surface through a hinge so as to realize the free rotation of the movable door 21, and a handle 22 convenient for opening and closing is arranged on the movable door 21. The position of the rectangular frame 19 close to the movable door is fixed with a magnet 24, and the upper end of the inner surface of the movable door is fixed with a magnetic metal block 25 matched with the magnet, so that after the movable door 21 is closed, the movable door 21 is ensured to be firmly closed through the attraction effect of the magnet 24 and the magnetic metal block 25.
As shown in fig. 6, a schematic structural diagram of a main outlet pipe and branch outlet pipes in the present invention is shown, wherein a plurality of branch outlet pipes 10 are arranged on the main outlet pipe 9, a communicating pipe 11 is inserted into each branch outlet pipe 10, and a plug 12 is inserted into the end of the main outlet pipe 9. The air outlet hose 2 on the oxygen bag 1 is made of rubber, and the main air outlet pipe 9 and the branch air outlet pipe 10 are also made of rubber, so that the communicating pipe 11 is a hard pipe made of plastic or glass so as to be convenient for connection and plugging.
Claims (7)
1. An oxygen bag parallel connection type automatic oxygen supply device comprises a base (4), guide polished rods (5), balancing weights (6), a main air outlet pipe (9), transparent protection plates (26) and a plurality of oxygen bags (1), wherein the number of the guide polished rods is 2 or more than 2, the guide polished rods are fixed on the base in a vertical state, and the transparent protection plates are arranged on the periphery of the guide polished rods; an air outlet hose (2) is arranged on the oxygen bag; the method is characterized in that: the periphery of each guide polished rod is sleeved with a sliding ring (7) capable of freely sliding along the length direction of the guide polished rod, the balancing weight is positioned between the guide polished rods, each sliding ring is connected with the balancing weight through a connecting rod (8), and a plurality of inflated oxygen bags are arranged below the balancing weight in a stacked state; a plurality of branch air outlet pipes (10) communicated with the main air outlet pipe are arranged on the main air outlet pipe at intervals, each branch air outlet pipe is communicated with an air outlet hose on an oxygen bag through a communicating pipe (11), the tail end of the main air outlet pipe is provided with a connecting plug (12), and the connecting plug is connected with a connector (28) on an oxygen pipe (27) used by a patient; under the pressure effect of the balancing weight on the oxygen bag below the balancing weight, oxygen in the oxygen bag sequentially flows through the air outlet hose (2), the communicating pipe (11), the branch air outlet pipe (10), the main air outlet pipe (9) and the oxygen pipe (27) to supply oxygen to the patient.
2. The parallel automatic oxygen supply device of claim 1, wherein: a lifting handle (14) is arranged in the center of the upper surface of the balancing weight (6), a central cavity (15) is formed in the center of the balancing weight, and a central balancing weight (16) is arranged in the central cavity; the periphery of the central cavity is uniformly provided with 4 peripheral cavities (17) which are used for storing the counter weights to be increased, and cavity cover plates (18) are arranged on the peripheral cavities.
3. The parallel type automatic oxygen supply device of the oxygen bags according to claim 1 or 2, characterized in that: the number of the guide polish rods (5) is 4, the top ends of the guide polish rods are fixedly connected with a rectangular frame (19), and the upper ends of the inner walls of the transparent protection plates (26) are fixedly connected with the rectangular frame through connecting blocks (20).
4. The parallel automatic oxygen supply device of claim 3, wherein: the upper end of the transparent protection plate (16) is provided with an opening, one surface of the transparent protection plate is provided with a movable door (21), the width of the movable door is half of the width of the surface where the movable door is located, one side of the movable door is hinged to the adjacent transparent protection plate through a hinge (23), and the movable door is provided with a handle (22); a magnet (24) is fixed on the rectangular frame (19) at a position close to the movable door, and a magnetic metal block (25) matched with the magnet is fixed at the upper end of the inner surface of the movable door.
5. The parallel type automatic oxygen supply device of the oxygen bags according to claim 1 or 2, characterized in that: and an adjusting switch (3) for controlling the oxygen flow is arranged on the main air outlet pipe (9) close to the connecting plug (12).
6. The parallel type automatic oxygen supply device of the oxygen bags according to claim 1 or 2, characterized in that: the main air outlet pipe (9), the branch air outlet pipe (10) and the air outlet hose (2) are all rubber hoses, and the communicating pipe (11) and the connecting plug (12) are all hard plastic or glass pipes.
7. The parallel type automatic oxygen supply device of the oxygen bags according to claim 1 or 2, characterized in that: if the number of the branch air outlet pipes (10) on the main air outlet pipe (9) is larger than that of the oxygen bags (1), the rest branch air outlet pipes (10) which are not connected with the oxygen bags on the main air outlet pipe are connected with the communicating pipe (11) and then sealed by the plugging caps (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110455206.3A CN113134145A (en) | 2021-04-26 | 2021-04-26 | Oxygen bag parallel connection type automatic oxygen supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110455206.3A CN113134145A (en) | 2021-04-26 | 2021-04-26 | Oxygen bag parallel connection type automatic oxygen supply device |
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| Publication Number | Publication Date |
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| CN113134145A true CN113134145A (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110455206.3A Pending CN113134145A (en) | 2021-04-26 | 2021-04-26 | Oxygen bag parallel connection type automatic oxygen supply device |
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| CN (1) | CN113134145A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203861724U (en) * | 2014-06-10 | 2014-10-08 | 彭平 | Pressurizing device for oxygen bag |
| CN204158839U (en) * | 2014-09-16 | 2015-02-18 | 鲁德玕 | A kind of Wearable oxygen bag |
| CN105833402A (en) * | 2016-03-17 | 2016-08-10 | 北京大学深圳医院 | First-aid oxygen bag constant-pressure auxiliary device |
| CN206366076U (en) * | 2016-09-29 | 2017-08-01 | 四川大学华西第二医院 | A kind of Novel portable folded oxygen pillow |
| CN209286416U (en) * | 2018-11-04 | 2019-08-23 | 王玲华 | A kind of Medical oxygen bag automatic pressurizing device |
| CN210542758U (en) * | 2019-06-14 | 2020-05-19 | 东平县第三人民医院 | Oxygen bag capable of being repeatedly inflated |
| CN212090457U (en) * | 2020-02-27 | 2020-12-08 | 中国医科大学附属盛京医院 | A quick apparatus of oxygen supply for emergency department's nursing |
| CN213031572U (en) * | 2020-04-02 | 2021-04-23 | 烟台毓璜顶医院 | Domestic oxygen bag oxygen therapy device |
-
2021
- 2021-04-26 CN CN202110455206.3A patent/CN113134145A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203861724U (en) * | 2014-06-10 | 2014-10-08 | 彭平 | Pressurizing device for oxygen bag |
| CN204158839U (en) * | 2014-09-16 | 2015-02-18 | 鲁德玕 | A kind of Wearable oxygen bag |
| CN105833402A (en) * | 2016-03-17 | 2016-08-10 | 北京大学深圳医院 | First-aid oxygen bag constant-pressure auxiliary device |
| CN206366076U (en) * | 2016-09-29 | 2017-08-01 | 四川大学华西第二医院 | A kind of Novel portable folded oxygen pillow |
| CN209286416U (en) * | 2018-11-04 | 2019-08-23 | 王玲华 | A kind of Medical oxygen bag automatic pressurizing device |
| CN210542758U (en) * | 2019-06-14 | 2020-05-19 | 东平县第三人民医院 | Oxygen bag capable of being repeatedly inflated |
| CN212090457U (en) * | 2020-02-27 | 2020-12-08 | 中国医科大学附属盛京医院 | A quick apparatus of oxygen supply for emergency department's nursing |
| CN213031572U (en) * | 2020-04-02 | 2021-04-23 | 烟台毓璜顶医院 | Domestic oxygen bag oxygen therapy device |
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Application publication date: 20210720 |
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