CN106075679A - High frequency jet ventilator multi-path pressure humidification bottle - Google Patents
High frequency jet ventilator multi-path pressure humidification bottle Download PDFInfo
- Publication number
- CN106075679A CN106075679A CN201610364849.6A CN201610364849A CN106075679A CN 106075679 A CN106075679 A CN 106075679A CN 201610364849 A CN201610364849 A CN 201610364849A CN 106075679 A CN106075679 A CN 106075679A
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- China
- Prior art keywords
- bottle
- pressure
- humidification
- suction pipe
- high frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 claims abstract description 13
- 239000008187 granular material Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 238000000889 atomisation Methods 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000008676 import Effects 0.000 claims 2
- 239000013536 elastomeric material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000012780 transparent material Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 47
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 9
- 239000001301 oxygen Substances 0.000 abstract description 9
- 229910052760 oxygen Inorganic materials 0.000 abstract description 9
- 238000009423 ventilation Methods 0.000 abstract description 8
- 230000001225 therapeutic effect Effects 0.000 abstract description 3
- 238000005213 imbibition Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 238000002560 therapeutic procedure Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 3
- 230000028327 secretion Effects 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 210000002345 respiratory system Anatomy 0.000 description 2
- 230000003519 ventilatory effect Effects 0.000 description 2
- 208000003322 Coinfection Diseases 0.000 description 1
- 206010062717 Increased upper airway secretion Diseases 0.000 description 1
- 206010036790 Productive cough Diseases 0.000 description 1
- 208000007123 Pulmonary Atelectasis Diseases 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 230000002124 endocrine Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000004941 influx Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 208000026435 phlegm Diseases 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 208000024794 sputum Diseases 0.000 description 1
- 210000003802 sputum Anatomy 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Classifications
-
- 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
- A61M16/10—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
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/03—Gases in liquid phase, e.g. cryogenic liquids
-
- 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
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1025—Respiratory system
Landscapes
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (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)
- Nozzles (AREA)
Abstract
The present invention " high frequency jet ventilator multi-path pressure humidification bottle " disclose a kind of novel in medical instruments field patient oxygen uptake or use during high frequency jet ventilator to suck that gas humidifies maybe can be by medicinal atomized and be mixed into patient and suck the therapeutic appliance of gas.The present invention solves the defect that in existing humidification bottle slaking process, humidified gas granule is too big, humidifying amount is not enough, humidified gas is frozen into globule blocking pipeline the most again.The principle of the present invention is to utilize air-flow to adjust to there will be " Venturi effect " i.e. nozzle at ejiction opening and can produce negative pressure, utilizes the design of this negative pressure and imbibition pipeline that humidification fluid is drawn in bottle air-flow nozzle and high velocity air is thoroughly mixed to form the humidified gas of applicable patient of about 0.7um.Humidifying amount is increased, it is ensured that humidifying amount meets requirement by increasing the design of humidifying channel number.The method can be widely used in patient's oxygen uptake, ventilation therapy, there is the advantage that cost of use is low, reliability is high.
Description
Technical field
Patent of the present invention relate in medical instruments field patient oxygen uptake or during using high frequency jet ventilator right
Sucking that gas carries out humidifying maybe can be by medicinal atomized and be mixed into patient and suck the therapeutic appliance of gas.
Background technology
Normal person suck dry air first pass around upper respiratory tract, the most humidified, but use artificial ventilation time by
Inserting deep in trachea, gas influx is big so that the gas of entrance can not effectively by human body self to gas humidification, duration of ventilation
Length can cause tunica mucosa tracheae to be dried or oozing of blood, the most bronchial secretions become thickness produce infraction, may result in pulmonary atelectasis and
Secondary infection, therefore the gas of artificial ventilation must carry out humidifying, and relative temperature requires to reach 100%.Additionally gas is wet
Change and be of value to alveolar surface tension increase, the ratio of ventilation and blood flow of alveolar ventilation, the raising of useful patient's blood oxygen pressure, medicine can be improved
After thing atomization and entering patient breathing system with gas to treat patient airway phlegm syndrome, the gas that humidity is high simultaneously is permissible
Secretions in dilution patients with respiratory tract, it is simple to discharge.Therefore gas humidification and the quality of medicinal atomized effect are to artificial logical
Gas effect and therapeutic effect cut much ice.The bubble type humidification bottle commonly used at present, for medical center oxygen supply terminal system
System, carries out air flue humidification for medical institutions when patient's oxygen uptake.The aqueous vapor granule that it produces is relatively big, average diameter of particles after measured
Reach about 30um, one be because of easily in Oxygen tube regelation become the globule to affect oxygen uptake effect, two is that steam granule is difficult to greatly
Stop alveolar surface, show that help alveolar tension promotes DeGrain, oxygenate weak effect, therefore its humidifying effect and medicine
Nebulae inhalation effect is the most not fully up to expectations.
Summary of the invention
Patent of the present invention is the above-mentioned deficiency solving prior art, it is proposed that high frequency jet ventilator multi-path pressure formula
Humidification bottle.
The purpose of the present invention: one is to solve the problem that solution humidified gas granule is the biggest, this patent product humidifying produces
Gas average diameter after measured at about 0.7um, short grained gas easily stops at alveolar surface, improves alveolar surface
Tension force, improves oxygenate ability.Two is the problem solving humidifying amount, can be increased by number of channels and totally increase humidifying gas
Body flow, it is also possible to according to clinical treatment needs, regulation admission pressure controls the size of humidifying amount, dilutes air flue endocrine
Thing, coordinates the feature of high frequency jet ventilator ventilation airway open, the gas can being diluted with sputum aspirator attraction while ventilation
Secretions in road, reduces respiratory resistance, improves ventilatory effect, alleviates patient suffering, reach optimum therapeuticing effect.Three is to solve
Humidified gas regelation becomes the globule to be deposited in pipeline, affects ventilatory effect.
The technical scheme is that as it is shown in figure 1, humidifying pressure input adapter (1-2), penetrate pipe (1-4), humidifying pressure
Out splice going splice (1-10) composition vent line.Suction pipe (1-9), suction pipe assembly (1-6), water suction needle tubing (1-5) composition imbibition pipeline,
High velocity air by cross from that suct in bottle, water suction barrel outlet at humidification fluid smash, be atomized after formed granule straight
Footpath 0.7um humidified gas.The pressure of input gas can be adjusted by high frequency respirator or other device, and input pressure is the biggest, gas
Rate of flow of fluid is the highest, and atomization quantity is the biggest, and gas particles is the most tiny, therefore can need to be adjusted humidifying amount according to patient.Penetrate pipe (1-
4), suction pipe (1-9), suction pipe assembly (1-6), water suction needle tubing (1-5) form an atomization unit, can be by the needs of overall atomization quantity
Making double atomization unit or three atomization unit humidification bottles, atomization unit is many, and atomization quantity is the biggest.The nozzle diameter penetrating pipe (4) is less than
0.3mm (1-4-2), because nozzle diameter is little, the flow velocity of the gas of ejection is high, and atomizing effect is good.Suction pipe (1-9), suction pipe assembly (1-
6), water suction needle tubing pin (1-5) minimum latus rectum at below 2.0mm, therefore can ensure that the humidifying liquid measure that each spout sucks is equal
Even, continuous, it is ensured that the gas particles degree of humidification fluid atomization is uniform.
Sucting humidification fluid principle from bottle in technical scheme is: gas is from penetrating the spout (1-4-2) of pipe at a high speed
Ejection, produces " Venturi effect " i.e. orifice rim at nozzle and produces negative pressure, due to spout and water suction barrel outlet (8-2) phase
Cutting, humidification fluid can be drawn to spout (1-4-2) place by water suction barrel outlet and suction line by the negative pressure at orifice rim.
Accompanying drawing explanation
Accompanying drawing 1 is high frequency jet ventilator multi-path pressure humidification bottle structure chart: 1-1. bowl cover, 1-2. humidifying pressure are defeated
Enter joint, 1-3 packing ring, 1-4. penetrate pipe, 1-5. water suction pin, 1-6. suction pipe assembly, 1-7. sealing ring, 1-8. bottle, 1-9. suction pipe,
1-10. humidifying pressure out splice going splice.
Accompanying drawing 2 is bubble type humidification bottle structure chart: 1. air inlet head and air volume regulator, 2. snap joint, 3. installation connect
Head, 4. relief valve, 5. humidification bottle filler, 6. humidifying bar gas port air pressure chock plug, 7. humidifying bottle, 8. humidifying bar, 9. give vent to anger
Joint air pressure chock plug, the most anti-current valve, 11. air outlet adapters, its operation principle is: oxygen by snap joint (2-2),
Humidifying bar (2-8) is passed directly in humidification fluid, and air-flow produces bubble in humidification fluid, and bubble is formed quick-fried after going out humidification fluid
Broken, the humidification fluid taken out of is smashed, forms humidified gas and flow out from air outlet adapter (2-11).
Accompanying drawing 3 is high frequency jet ventilator multi-path pressure humidification bottle schematic diagram.
Accompanying drawing 4 is to penetrate pipe spout (1-4-2), water suction needle tubing (1-5) exit position figure: 4-1. forced draft, 4-2. penetrate pipe
Humidification fluid, 4-5. humidified gas in spout, 4-3. water suction barrel outlet, 4-4. water suction needle tubing.
Accompanying drawing 5 is high frequency jet ventilator multi-path pressure humidification bottle and high frequency respirator Mating graph: 5-1. band humidifying
The gas (entrance patient airway) of gas, 5-2. humidified gas connecting device, 5-3. high frequency jet ventilator gas outlet, 5-4. height
Frequently jet ventilator humidifying gas outlet 5-5. humidifying pressure breathing pipe, 5-6. high frequency jet ventilator manifold pipe pressure humidifying
Bottle, 5-7. Two bors d's oeuveres appendix.
Specific embodiments
As shown in Figure 2: patent high frequency jet ventilator multi-path pressure humidification bottle of the present invention, by bottle 1-8, bowl cover 1-
1, sealing ring 1-7 forms a flask that can bear gas pressure, and bottle 1-8 deposits humidification fluid, on bottle side wall in bottom
There is the graduation mark of marking liquid capacity.The bowl cover 1-1 first line of a couplet is connected to humidifying pressure input adapter 1-2, and bowl cover 1-1 couples two groups or two
What group was above penetrates pipe 1-4, penetrates pipe 1-4 and is coupled with water suction assembly 1-6 by water suction needle tubing 1-5, suction pipe assembly 1-6 and suction pipe 1-9
Coupling, suction pipe 1-9 lower end is inserted in bottle in humidification fluid and therefrom draws humidification fluid.
Forced draft is from penetrating the ejection at a high speed of pipe 1-4 spout as shown in Figure 4, and nozzle produces the i.e. nozzle of Venturi effect and produces
Raw negative pressure, water suction needle tubing 5 outlet is tangent with spout, and the negative pressure of generation is by water suction needle tubing 1-5, water suction assembly 1-6, suction pipe 1-9
Humidification fluid is drawn to the needle tubing 1-5 outlet that absorbs water.Water suction needle tubing 1-5 outlet is vertical with penetrating pipe 1-4 spout again, at a high speed the air-flow of ejection
The humidification fluid sucted fully is smashed, is atomized.The gas of atomization is exported by humidifying pressure out splice going splice.
As shown in Figure 5: invention patent high frequency jet ventilator multi-path pressure humidification bottle is to pass through humidifying
Pressure breathing pipe 5-5 couples with the outlet of high frequency jet ventilator humidifying, from the gas pressure of humidifying outlet output on respirator
It is adjustable, the size of humidifying amount can be adjusted by pressure regulation.Double-joint pipe 5-7 is entered from the humidified gas of humidification bottle output
In a pipe in, another root pipe of double-joint pipe 5-7 connect high frequency jet ventilator gas outlet 5-3, two strands of gases pass through Two bors d's oeuveres
Pipe is together transported to humidified gas connecting device 5-2, and here, humidified gas is mixed with needing input gas in the patient
Close, complete the function to the gas humidification inputted in the patient.
Claims (8)
1. high frequency jet ventilator multi-path pressure humidification bottle is a kind of by bowl cover (1-1), bottle (1-8), sealing ring (1-7)
Form a plastic bottle shape closing container Deng part, be used for humidification fluid humidifying to increase the device of gas humidity, its feature
Being: bottle (1-8) bottom holds humidification fluid, upper vessel portion has bowl cover (1-1), and bowl cover (1-1) connects humidifying pressure breathing
Joint (1-2), humidifying pressure out splice going splice (1-10), penetrate pipe (1-4), suction pipe assembly (1-6), water suction needle tubing (1-5), suction pipe
(1-9).The gas of the adjustable pressure exported by high frequency jet ventilator is inputted by humidifying pressure out splice going splice (1-2), by penetrating
The humidification fluid that pipe (1-4) ejection at a high speed sucts from bottle bottom with suction pipe assembly (1-6), water suction needle tubing (1-5), suction pipe (1-9)
Vertically cross and after being sufficiently mixed, form atomizing gas, then exported to patient airway by humidifying pressure out splice going splice (1-10).Suction pipe
The humidification fluid that assembly (1-6), water suction needle tubing (1-5), suction pipe (1-9) suct is the negative pressure utilizing Venturi effect principle to produce.
High frequency jet ventilator multi-path pressure humidification bottle the most according to claim 1, it is characterised in that described: group
Conjunction mode is thread connection bowl cover (1-1), bottle (1-8), and there is the sealing ring (1-7) of elastomeric material centre, it is ensured that container exists
Leakage is not produced when 0.3Mpa pressed gas passes through.
High frequency jet ventilator multi-path pressure humidification bottle the most according to claim 1, it is characterised in that described zero
Part bowl cover (1-1): oral area has female thread (1-1-1) for coupling with bottle (1-8), bowl cover (1-1) feature is that it couples high frequency
Humidifying pressure breathing joint (1-2) of jet ventilator humidifying tube outlet and humidifying pressure out splice going splice (1-10), bowl cover (1-
2) pipe (1-4), suction pipe assembly (1-7), water suction needle tubing (1-5), suction pipe (1-9) are penetrated in upper connection.
High frequency jet ventilator multi-path pressure humidification bottle the most according to claim 1, it is characterised in that described zero
Part bottle (1-8): oral area has external screw thread (1-8-1) for coupling with bowl cover (1-1).Bottle (1-8) feature is to have mark liquid
The graduation mark (1-8-2) of volume, admission pressure 0.03-0.3Mpa (1-8--3) identifies, the mark (1-8-4) of charge flow rate, bottle
Body material is transparent material (1-8-5).
High frequency jet ventilator multi-path pressure humidification bottle the most according to claim 1, it is characterised in that described zero
Part penetrates pipe (1-4): spout (gas vent) diameter is less than 0.3mm (1-4-2), penetrates pipe spout (1-4-2) and connected sucking pipe group
The water suction barrel outlet (taphole sucted) (1-5-1) of part is mutually perpendicular to and tangent (1-5-2), and spout is in ejection pressure at a high speed
During strength body, nozzle produces negative pressure because of Venturi effect, the negative pressure of generation by suction pipe assembly (1-6), water suction needle tubing (1-5),
The humidification fluid that suction pipe (1-9) sucts from bottle bottom.
High frequency jet ventilator multi-path pressure humidification bottle the most according to claim 1, it is characterised in that described: part
Penetrate pipe (1-4) and suction pipe assembly (1-7), water suction needle tubing (1-5), suction pipe (1-9) composition atomization unit, can in a humidification bottle
Being fabricated to 2 or the atomization unit of more than 2, in the case of equal gas pressure, the most humidification bottles of atomization unit quantity are to humidification fluid
Atomization ability the biggest.
Each high frequency jet ventilator multi-path pressure humidification bottle the most according to claim 1, it is characterised in that described
: part suction pipe assembly (1-6) couples 1 suction pipe (1-9), and suction pipe (1-9) import (1-9-1) is at bottle graduation mark (1-8-2)
Below extreme lower position, suction pipe outlet (1-9-2) is connected with suction pipe assembly import (1-6-1), and feature is interior at suction pipe (1-9) minimum
Footpath is less than 3.0mm (1-9-3), and caliber is little can guarantee that the humidification fluid sucted continuously, uniformly, so can make humidified gas granule equal
Even.
The most according to claim 1, high frequency jet ventilator multi-path pressure humidification bottle, it is characterised in that described: inhale
Water barrel outlet (1-9-2) is penetrated pipe spout (1-4-2) and is mutually perpendicular to and tangent (1-4-3) with it, and high velocity air ejection will laterally
The humidification fluid come over forms atomizing gas after fully smashing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610364849.6A CN106075679A (en) | 2016-05-21 | 2016-05-21 | High frequency jet ventilator multi-path pressure humidification bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610364849.6A CN106075679A (en) | 2016-05-21 | 2016-05-21 | High frequency jet ventilator multi-path pressure humidification bottle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106075679A true CN106075679A (en) | 2016-11-09 |
Family
ID=57230809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610364849.6A Pending CN106075679A (en) | 2016-05-21 | 2016-05-21 | High frequency jet ventilator multi-path pressure humidification bottle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106075679A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113425960A (en) * | 2021-08-04 | 2021-09-24 | 四川大学华西医院 | Mute type oxygen humidifying device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070227535A1 (en) * | 2006-03-30 | 2007-10-04 | Harrington Steven M | Nebulizer with flow-based fluidic control and related methods |
| CN202366275U (en) * | 2011-12-09 | 2012-08-08 | 北京东方潮汐科技发展有限公司 | Device for driving liquid atomizing by gas |
| CN103432662A (en) * | 2013-08-28 | 2013-12-11 | 关淑萍 | Medical atomization inhalator |
| CN203400384U (en) * | 2013-06-17 | 2014-01-22 | 张勤奕 | Large-flow atomization inhaler |
| CN204582229U (en) * | 2015-04-30 | 2015-08-26 | 上海市嘉定区中心医院 | Oxygen humidifying device |
-
2016
- 2016-05-21 CN CN201610364849.6A patent/CN106075679A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070227535A1 (en) * | 2006-03-30 | 2007-10-04 | Harrington Steven M | Nebulizer with flow-based fluidic control and related methods |
| CN202366275U (en) * | 2011-12-09 | 2012-08-08 | 北京东方潮汐科技发展有限公司 | Device for driving liquid atomizing by gas |
| CN203400384U (en) * | 2013-06-17 | 2014-01-22 | 张勤奕 | Large-flow atomization inhaler |
| CN103432662A (en) * | 2013-08-28 | 2013-12-11 | 关淑萍 | Medical atomization inhalator |
| CN204582229U (en) * | 2015-04-30 | 2015-08-26 | 上海市嘉定区中心医院 | Oxygen humidifying device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113425960A (en) * | 2021-08-04 | 2021-09-24 | 四川大学华西医院 | Mute type oxygen humidifying device |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161109 |
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