CN107320825A - Malleation humidification oxygen therapy instrument and its application method - Google Patents
Malleation humidification oxygen therapy instrument and its application method Download PDFInfo
- Publication number
- CN107320825A CN107320825A CN201710717206.XA CN201710717206A CN107320825A CN 107320825 A CN107320825 A CN 107320825A CN 201710717206 A CN201710717206 A CN 201710717206A CN 107320825 A CN107320825 A CN 107320825A
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- Prior art keywords
- supply air
- gas
- humidification
- air line
- gaseous mixture
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
- A61M16/16—Devices to humidify the respiration air
- A61M16/161—Devices to humidify the respiration air with means for measuring the humidity
Abstract
The present invention relates to a kind of malleation humidification oxygen therapy instrument and its application method, the Oxygen therapy apparatus includes controller, in addition to blower fan, electrically-controlled valve, gas mixer, flow sensor, oxygen concentration sensor and gas humidification mechanism and reheating mechanism；Air inlet is provided with air cleaner, fan outlet connection air manifold road；Electrically-controlled valve one end is connected with external oxygen source of the gas, electrically-controlled valve other end connection oxygen supply air line；Gas mixer import is connected with air manifold road and oxygen supply air line respectively, gas mixture outlet connection gaseous mixture supply air line；Flow sensor is with oxygen concentration sensor on gaseous mixture supply air line；Vapor injects into gaseous mixture supply air line in gas humidification mechanism, to increase gaseous mixture supply air line humidity, reheats mechanism and gaseous mixture supply air line is reheated.The malleation humidification oxygen therapy instrument of the present invention can provide the gaseous mixture added with oxygen, and blender can be humidified, and Oxygen therapy apparatus can be made to have preferable using effect.
Description
Technical field
The invention belongs to technical field of medical equipment, more particularly to a kind of malleation humidification oxygen therapy instrument, the invention further relates to have
The application method of the malleation humidification oxygen therapy instrument.
Background technology
At present, as a kind of new rehabilitation means, Oxygen therapy apparatus is just gradually obtaining the accreditation of people, and it uses scope
Also progressively expanding.General in the existing Oxygen therapy apparatus used is generally to press having of providing of oxygen and blower fan after air mixes, just directly
Connect and be supplied to patient, the mixed gas provided under this mode is difficult to the psychological need for meeting the body of patient in humidity,
So as to which the using effect of Oxygen therapy apparatus can be largely effected on.
The content of the invention
For above description, it is an object of the invention to provide a kind of malleation humidification oxygen therapy instrument, can have Oxygen therapy apparatus
Preferable using effect.
The technical scheme is that be accomplished by the following way：
A kind of malleation humidification oxygen therapy instrument, including controller, in addition to：
Blower fan, air cleaner, the air outlet connection air manifold road of the blower fan are provided with the air inlet of the blower fan；
Electrically-controlled valve, one end of the electrically-controlled valve is connected with external oxygen source of the gas, and being connected with oxygen in the other end of the electrically-controlled valve supplies
Air pipe；
Gas mixer, the import of the gas mixer connects with the air manifold road and the oxygen supply air line respectively
Connect, gaseous mixture supply air line is connected with the outlet of the gas mixture；
Flow sensor, on the gaseous mixture supply air line；
Oxygen concentration sensor, on the gaseous mixture supply air line, and positioned at the downstream of the flow sensor；
Gas humidification mechanism, is serially connected on the gaseous mixture supply air line in the downstream of the flow sensor, to be mixed to described
Injection vapor in gas supply air line is closed, and constitutes the increase of humidity in gaseous mixture supply air line；
Reheat mechanism, be arranged in the spaced downstream of the gas humidification mechanism it is multiple on the gaseous mixture supply air line,
And the mechanism that reheats has the electrical heating wire for being wound on gaseous mixture supply air line outer circumferential side, and it is wrapped in the electrical heating
Sheath outside silk.
As the restriction to aforesaid way, the gas mixture is venturi mixer.
As the restriction to aforesaid way, on each gaseous mixture supply air line for reheating mechanism downstream, adjacent to
The reheating mechanism is provided with the first temperature sensor.
As the restriction to aforesaid way, the gas humidification mechanism includes being formed with the pedestal of heating tank, located at heating
Electric heating plate in groove, and bottom are positioned over the humidifying pot in the heating tank and on electric heating plate, in the humidification
The tank mouth of tank is removably provided with cover plate, in being inserted with air inlet pipe and escape pipe of the one end in the humidifying pot on the cover plate；
The mistake proofing breach being recessed at the internal perisporium for being also included in the heating tank, the microswitch in the mistake proofing breach,
And be connected in it is described humidification pot sidewall on be embedded in the triggering in the mistake proofing breach and pressed on the microswitch
Block.
As the restriction to aforesaid way, humidity sensor is provided with the escape pipe.
As the restriction to aforesaid way, second temperature sensor is provided with the humidifying pot.
As the restriction to aforesaid way, liquid level sensor is provided with the humidifying pot.
As the restriction to aforesaid way, in being inserted with water inlet pipe of the one end in humidifying pot on the cover plate, entering
The part that water pipe is located at outside humidifying pot is serially connected with valve.
As the restriction to aforesaid way, the controller is connected by heater switch with electric heating plate, on the controller
It is also associated with alarm.
The advantage of the invention is that：
The malleation humidification oxygen therapy instrument of the present invention can be by air and oxygen mix by the setting of gas mixer, and provides and be added with
The gaseous mixture of oxygen, and by the setting of gas humidification mechanism, vapor can be injected into gaseous mixture, and gaseous mixture is added
It is wet, in addition, can prevent condensation occur in the gaseous mixture supply air line after humidification by reheating mechanism, it is suitable so as to be formed
The oxygen therapy gas that patient needs, and cause Oxygen therapy apparatus that there is preferable using effect.
Another object of the present invention is to the application method there is provided as above malleation humidification oxygen therapy instrument, the application method bag
Include the steps：
S1, control blower fan bring into operation, and have pressure air to gas mixer conveying；
S2, control electrically-controlled valve are opened, and oxygen is conveyed to gas mixer；
S3, the detection according to flow sensor and oxygen concentration sensor, control the rotating speed and the electrically-controlled valve of the blower fan
Aperture；
S4, the operation of control gas humidification mechanism, vapor is injected to gaseous mixture supply air line；
S5, control reheat mechanism operation, and gaseous mixture supply air line is heated.
The present invention can form the oxygen therapy gas that suitable patient needs by above-mentioned application method, and may be such that Oxygen therapy apparatus
With preferable using effect.
Brief description of the drawings
Fig. 1 is the structure configuration diagram of malleation humidification oxygen therapy instrument in the specific embodiment of the invention；
Fig. 2 is the structural representation of gas mixer in the specific embodiment of the invention；
Fig. 3 is the structural representation of gas humidification mechanism in the specific embodiment of the invention；
Fig. 4 is Fig. 3 top view；
Fig. 5 is the control structure figure of malleation humidification oxygen therapy instrument in the specific embodiment of the invention；
Fig. 6 is the structural representation of reheating mechanism in the specific embodiment of the invention.
Embodiment
In the description of the invention, it is necessary to explanation, the orientation or position of the instruction such as term " on ", " under ", " interior ", " back of the body "
It is, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplify description to put relation, rather than
Indicate or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration and operation, therefore can not
It is interpreted as limitation of the present invention.In addition, term " first ", " second " be only used for describe purpose, and it is not intended that indicate or
Imply relative importance.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The present embodiment is related to a kind of malleation humidification oxygen therapy instrument, as shown in fig. 1, and it includes blower fan 1, electrically-controlled valve 3, gas and mixed
Clutch 5, flow sensor 6, oxygen concentration sensor 7 and gas humidification mechanism 8 and reheating mechanism 11.Wherein, in blower fan 1
Air inlet is also connected with being provided with air cleaner 2, the filtering shape that air cleaner 2 can be combined using filter cotton with non-woven fabrics
Formula, air manifold road is then connected in the air outlet of blower fan 1, and air manifold road is connected with gas mixer 5.Electrically-controlled valve 3 is
Flow control valve, its one end and outside source of oxygen, such as oxygen cylinder 4 is connected, and the other end of electrically-controlled valve 3 is then connected with and gas
The connected oxygen supply air line of blender 5.
The import of gas mixer is connected with air manifold road and the oxygen supply air line respectively in the present embodiment, and
Gaseous mixture supply air line is then connected with the outlet of gas mixer 5, flow sensor 6 and oxygen concentration sensor 7 are arranged on
On the gaseous mixture supply air line, and along the gas flow in gaseous mixture supply air line, oxygen concentration sensor 7 is also in flow sensor
6 arranged downstream.
Flow sensor 6 and oxygen concentration sensor 7 are popped one's head in using existing flow and oxygen concentration in the present embodiment,
And gas mixer 5 then use existing venturi mixer, now, the structure of the gas mixer as shown in Figure 2, air
Supply air line is connected with the air intlet 52 of blender, and oxygen supply air line is connected with the oxygen inlet 54 of blender, into mixed
Air in clutch is sprayed by nozzle 53, so that producing negative pressure at nozzle 53, thus can be sucked oxygen, the oxygen of suction
It is sufficiently mixed with hybrid chamber of the air in formation with mixer case 51, and the kinetic energy of gas is changed into pressure potential,
Then mixed gas is entered in gaseous mixture supply air line by mixed gas outlet 56 again.
The present embodiment gas humidification mechanism 8 is located at the downstream of flow sensor 7, and gas humidification mechanism is serially connected in gaseous mixture confession
On air pipe, to inject vapor into gaseous mixture supply air line, and the blender in gaseous mixture supply air line is humidified.
As shown in Figures 3 and 4, it includes pedestal 81 to the concrete structure of gas humidification mechanism 8, and pedestal 81 is discoid knot
Structure, it can be made up of resistant to elevated temperatures rigid plastics or resin.Heating tank, heating tank and pedestal are provided with the upper end surface of pedestal 81
81 identicals are also circle, and electric heating plate 82, the specific electric heating by being wound in plate-like of electric heating plate 82 are provided with heating tank
Silk is constituted, the support in the outside of electric heating plate 82 being also equipped with that heating wire is fixed and supports, and support is also by resistance to height
The plastics or resin material of temperature are made, and the through hole being communicated at electric heating plate 82, Yi Jihe are additionally provided with the bottom of pedestal 81
The groove of the through hole insertion, the electric connection line of electric heating plate 82 is passed through from the through hole, and by being stretched out in groove outside pedestal 81,
To be connected with external powering device.
The gas humidification mechanism 8 of the present embodiment is also positioned in above-mentioned heating tank including bottom, and positioned at electric heating plate 82
On humidifying pot 83, humidifying pot 83 can be pyroceram material, be provided with the opening at the top of humidifying pot 83 dismountable
Cover plate 86, is also respectively provided with air inlet pipe 87 and escape pipe 88 that one end is inserted in humidifying pot 83 on cover plate 86, wherein, enter
Tracheae 87 inserts one end in humidifying pot 83 to extension at the tank bottom of humidifying pot 83, and close to the tank bottom of humidifying pot 83, with this
The gas entered in humidifying pot 83 can be made to be introduced into the sterilized water in humidifying pot 83, then escape into water humidifying pot 83
Top.It is then opposite close to the top layout with humidifying pot 83 that escape pipe 88 is inserted in one end in humidifying pot 83, that can ensure
Gas in humidifying pot 83 can enter in escape pipe 88.
Second temperature sensing is additionally provided with cover plate 86 except being provided with air inlet pipe 87 and escape pipe 88, the present embodiment
Device 89 and liquid level sensor 810, to be detected respectively to the temperature and liquid level in humidifying pot 83, wherein, second temperature sensing
Device 89 using existing thermoelectricity occasionally other temperature measuring probes just can, and liquid level sensor 810 can also use existing static pressure type
The level sensing structure such as liquid level sensor or sound wave type water-level gauge.
Humidity sensor 811 is also equipped with the present embodiment on escape pipe 88, after humidity sensor 811 is used for humidification
Escape pipe 88 in the humidity of gas detected that the humidity sensor 811 equally uses existing moisture detection probe, Er Qiewei
It is easy to the arrangement of humidity sensor 811, while the also influence for reduction to gas flow area in escape pipe 88, humidity sensor
811 be also skewed design.
In order to realize that the uninterrupted of humidifying mechanism uses in the present embodiment, further one end is additionally provided with cover plate 86
The filler pipe 812 in humidifying pot 83 is inserted in, being located at the part outside humidifying pot 83 in filler pipe 812 is also serially connected with valve 813.When
When liquid level in humidifying pot 83 is relatively low, filler pipe 812 can be connected with external water source, be then turned on valve 813 to humidifying pot 83
Inside add water, add water and valve 813 is turned off after finishing, prevent that gas leak just may be used in humidifying pot 83.
The breach of an indent is additionally provided with the madial wall of heating tank in the present embodiment on pedestal 81, meanwhile, at this
It is also equipped with the microswitch 84 being fixed in pedestal 81 in breach, the triggering part of microswitch 84 is toward the top of breach
Portion, the electric connection line of microswitch 84 then can also be drawn by the groove formed with the bottom of pedestal 81.Corresponding to the breach, adding
Also a triggering block 85 is fixed with the lateral wall of wet tank 83, when triggering block 85 and breach upper-lower position are alignd, triggering block 85 is just
Placement that can be with humidifying pot 83 in heating tank, and be embedded in breach, and can be pressed on microswitch 84, formed to micro-
The triggering of dynamic switch 84.Certainly, if triggering block 85 and gap position are not lined up, now humidifying pot 83 just can not be put into completely adds
In heat channel, and triggering block 85 cannot also trigger microswitch 84.
Used in the present embodiment for ease of the control of Oxygen therapy apparatus, controller 100, gas are additionally provided with as shown in Figure 5
Each sensor and microswitch 84 in humidifying mechanism 8 are connected with controller 100, meanwhile, the controller 100 also by
Heater switch 10 and electric heating plate 82 are connected, to carry out control system of switching on or off electricity to electric heating plate 82.In addition, foregoing blower fan 1, automatically controlled
Valve 3 and flow sensor 6 and oxygen concentration sensor 7 are also connected with controller 100, and alarm is also associated with controller 100
Device 9, alarm 9 is used to send light or audible ringing signal.In the present embodiment controller 100 using existing single-chip microcomputer or
Other control modules with reading and writing data and calculation processing power.
The gas humidification mechanism of the present embodiment is when in use, interior prior to humidifying pot 83 to inject a certain amount of sterilized water, then
Humidifying pot 83 is put into heating tank, when placing humidifying pot 83, the alignment heating tank of triggering block 85 side only on humidifying pot 83
Breach at wall, just can be such that humidifying pot 83 is put into completely, and can also trigger microswitch 84 simultaneously, and microswitch 84 is triggered
Signal is sent to controller 100 afterwards, to show the correct placement of humidifying pot 83, so as to start to be powered electric heating plate 82
Heating.And if triggering block 85 is not embedded in breach, microswitch 84 can not be triggered, and controller 100 cannot get microswitch
84 signals, the now control of controller 100 electric heating plate 82 can not obtain electrical heating, meanwhile, controller 100 also causes alarm 9 to send out
Go out signal, to remind user to adjust the position of humidifying pot 83.
After the correct placement of humidifying pot 83, air inlet pipe 87 is connected with gaseous mixture supply air line, the connection of escape pipe 88 and disease
The pipeline being connected at people, makes electric heating plate 82 obtain electrical heating, just can inject vapor to the mixed gas by humidifying pot 83, and
Mixed gas is humidified.In humidification, according to the detection of temperature sensor 89, it would know that whether heating is normal, according to
The detection of liquid level sensor 810 would know that the water in humidifying pot 83, to decide whether to add water, according to humidity sensor 811
Detection, then can control the degree of heat of electric heating plate 82, to regulate and control to humidification amount.
In the Oxygen therapy apparatus of the present embodiment in use, except the control of above-mentioned gas humidification mechanism 8, according to flow sensing
The detection of device 6, controller 100 can control the rotating speed of blower fan, to adjust the flow of air, and then realize to mixed gas flow
Adjustment.The aperture of electrically-controlled valve 3 can be then adjusted according to the detection of oxygen concentration sensor 7, to adjust the combined amount of oxygen.Respectively
The reference threshold of middle temperature, liquid level, humidity and flow and oxygen concentration can be set according to pathological analysis and empirical value in controller 100
Put.
Mechanism 11 is reheated in the present embodiment to set to be spaced on the gaseous mixture supply air line in the downstream of gas humidification mechanism 8
That puts is multiple, and the reheating mechanism 11 structure as described in Figure 6, it, which has, is wound on the periphery of gaseous mixture supply air line 200
The electrical heating wire 111 of side, and the sheath 112 being wrapped in outside electrical heating wire 111.In addition, in each reheating mechanism 11 downstream
On gaseous mixture supply air line 200, the first temperature sensor 12 is also respectively arranged with adjacent to mechanism 11 is reheated.It is each to reheat machine
Electrical heating wire 111 and corresponding first temperature sensor 12 in structure 9 are also as shown in Figure 5 to be connected on controller 100.
The malleation humidification oxygen therapy instrument of the present embodiment when in use, by the foregoing correct placement of humidifying pot 83 in heating
After in groove, under the control of the controller 100, blower fan 1 is controlled to bring into operation first, to have pressure air to the conveying of gas mixer 5,
Then, control electrically-controlled valve 3 is opened, and to convey oxygen to gas mixer 5, now, controller 100 is according to the He of flow sensor 6
The detection of oxygen concentration sensor 7, controls the rotating speed of blower fan 1 and the aperture of electrically-controlled valve 3, so that mixed gas flow and Qi Nei respectively
Oxygen concentration be satisfied by sets requirement.
Next, the control gas humidification of controller 100 mechanism 8 is run, the heating by electric heating plate 82 to humidifying pot 83,
To inject vapor into gaseous mixture supply air line 200, the humidification to gaseous mixture is realized.Then, the gaseous mixture after humidification to
During being conveyed at patient, controller 100 is selectively controlled each reheating according to the detection of each first temperature sensor 12
Electrical heating wire 111 in mechanism 9 is operated, to be heated to gaseous mixture supply air line 200, it is to avoid gaseous mixture supply air line
Dew condensation phenomenon occurs in 200.
Better embodiment of the present invention is the foregoing is only, but protection scope of the present invention is not limited thereto, it is any ripe
Know those skilled in the art the invention discloses technical scope in, the technique according to the invention design be subject to equivalent substitution or
Technical scheme obtained by change, should all be covered by protection scope of the present invention.
Claims (10)
1. a kind of malleation humidification oxygen therapy instrument, including controller, it is characterised in that also include：
Blower fan, air cleaner, the air outlet connection air manifold road of the blower fan are provided with the air inlet of the blower fan；
Electrically-controlled valve, one end of the electrically-controlled valve is connected with external oxygen source of the gas, and being connected with oxygen in the other end of the electrically-controlled valve supplies
Air pipe；
Gas mixer, the import of the gas mixer connects with the air manifold road and the oxygen supply air line respectively
Connect, gaseous mixture supply air line is connected with the outlet of the gas mixture；
Flow sensor, on the gaseous mixture supply air line；
Oxygen concentration sensor, on the gaseous mixture supply air line, and positioned at the downstream of the flow sensor；
Gas humidification mechanism, is serially connected on the gaseous mixture supply air line in the downstream of the flow sensor, to be mixed to described
Injection vapor in gas supply air line is closed, and constitutes the increase of humidity in gaseous mixture supply air line；
Reheat mechanism, be arranged in the spaced downstream of the gas humidification mechanism it is multiple on the gaseous mixture supply air line,
And the mechanism that reheats has the electrical heating wire for being wound on gaseous mixture supply air line outer circumferential side, and it is wrapped in the electrical heating
Sheath outside silk.
2. malleation humidification oxygen therapy instrument according to claim 1, it is characterised in that：The gas mixture mixes for venturi
Device.
3. malleation humidification oxygen therapy instrument according to claim 1, it is characterised in that：In the mixed of each reheating mechanism downstream
Close on gas supply air line, the first temperature sensor is provided with adjacent to the reheating mechanism.
4. malleation humidification oxygen therapy instrument according to any one of claim 1 to 3, it is characterised in that：The gas humidification machine
Structure includes the pedestal for being formed with heating tank, and the electric heating plate in heating tank, and bottom are positioned in the heating tank, simultaneously
Humidifying pot on electric heating plate, is removably provided with cover plate in the tank mouth of the humidifying pot, is inserted with the cover plate
One end is located at air inlet pipe and escape pipe in humidifying pot；The mistake proofing being recessed at the internal perisporium for being also included in the heating tank lacks
Mouthful, the microswitch in the mistake proofing breach, and the mistake proofing that is embedded in being connected on the humidification pot sidewall lack
In mouthful and the triggering block that presses on the microswitch.
5. malleation humidification oxygen therapy instrument according to claim 4, it is characterised in that：Humidity sensor is provided with the escape pipe
Device.
6. malleation humidification oxygen therapy instrument according to claim 4, it is characterised in that：Second temperature is provided with the humidifying pot
Sensor.
7. malleation humidification oxygen therapy instrument according to claim 4, it is characterised in that：Level sensing is provided with the humidifying pot
Device.
8. malleation humidification oxygen therapy instrument according to claim 4, it is characterised in that：It is located in being inserted with one end on the cover plate
Water inlet pipe in humidifying pot, is located at the part outside humidifying pot in water inlet pipe and is serially connected with valve.
9. malleation humidification oxygen therapy instrument according to claim 4, it is characterised in that：The controller passes through heater switch and electricity
Heating dish is connected, and alarm is also associated with the controller.
10. a kind of application method of malleation humidification oxygen therapy instrument, it is characterised in that：The application method includes the steps：
S1, control blower fan bring into operation, and have pressure air to gas mixer conveying；
S2, control electrically-controlled valve are opened, and oxygen is conveyed to gas mixer；
S3, the detection according to flow sensor and oxygen concentration sensor, control the rotating speed and the electrically-controlled valve of the blower fan
Aperture；
S4, the operation of control gas humidification mechanism, vapor is injected to gaseous mixture supply air line；
S5, control reheat mechanism operation, and gaseous mixture supply air line is heated.
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| CN201710717206.XA CN107320825A (en) | 2017-08-21 | 2017-08-21 | Malleation humidification oxygen therapy instrument and its application method |
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|---|---|---|---|
| CN201710717206.XA CN107320825A (en) | 2017-08-21 | 2017-08-21 | Malleation humidification oxygen therapy instrument and its application method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744218A (en) * | 2018-03-30 | 2018-11-06 | 广东知识城运营服务有限公司 | A kind of adjustable Respiratory Medicine oxygen supply device |
| CN110575591A (en) * | 2019-09-09 | 2019-12-17 | 浙江莱福医疗科技有限公司 | breathing pipeline interface and breathing machine applying same |
| CN110772694A (en) * | 2019-12-06 | 2020-02-11 | 常州市第一人民医院 | Breathing device with humidifying function |
| CN111632250A (en) * | 2020-06-08 | 2020-09-08 | 山东科技大学 | Humidification therapeutic apparatus for monitoring mixture of air and oxygen and monitoring method thereof |
| CN112057713A (en) * | 2020-09-18 | 2020-12-11 | 德阳市人民医院 | Oxygen therapeutic machine capable of timing |
| FR3110438A1 (en) * | 2020-05-20 | 2021-11-26 | Renault S.A.S | Air / oxygen mixer for an artificial respirator |
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