CN107198808A - A kind of oxygen mask - Google Patents
A kind of oxygen mask Download PDFInfo
- Publication number
- CN107198808A CN107198808A CN201710557056.0A CN201710557056A CN107198808A CN 107198808 A CN107198808 A CN 107198808A CN 201710557056 A CN201710557056 A CN 201710557056A CN 107198808 A CN107198808 A CN 107198808A
- Authority
- CN
- China
- Prior art keywords
- appendix
- oxygen
- chamber
- oxygen mask
- mask according
- 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 239000001301 oxygen Substances 0.000 title claims abstract description 81
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 81
- 238000012544 monitoring process Methods 0.000 claims abstract description 29
- 239000007789 gas Substances 0.000 claims abstract description 28
- 238000003466 welding Methods 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 208000028399 Critical Illness Diseases 0.000 abstract description 12
- 238000005452 bending Methods 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000002262 irrigation Effects 0.000 abstract 1
- 238000003973 irrigation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- -1 find not in time Chemical compound 0.000 description 2
- 238000002640 oxygen therapy Methods 0.000 description 2
- QRSFFHRCBYCWBS-UHFFFAOYSA-N [O].[O] Chemical compound [O].[O] QRSFFHRCBYCWBS-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 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
- A61M16/06—Respiratory or anaesthetic masks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/15—Detection of leaks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/70—General characteristics of the apparatus with testing or calibration facilities
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)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a kind of oxygen mask, its drip irrigation device is the appendix for including cover body and being connected to cover body, monitoring housing is installed on appendix, there is the chamber communicated with appendix in monitoring housing, the observation portion that there is at least one to be used to observe rotor on rotor, monitoring housing is installed in chamber.When appendix because when bending causes appendix to be blocked or because when appendix is connected this section of gas leakage with source of oxygen, the oxygen flow in appendix will be caused to tail off or do not plan a successor, rotor is slack-off or stop operating by velocity of rotation in the chamber, thus, medical personnel obtain the state of oxygen flow in appendix by observation portion in time, with it is timely regulated and controled, it is ensured that critically ill patient can stably be drawn to oxygen, improve the security of critically ill patient oxygen uptake.
Description
Technical field
The present invention relates to medical instruments field, more particularly to a kind of oxygen mask.
Background technology
Oxygen mask provides a method that the oxygen that breathing needs can be transferred to human lung from storage tank.It is main
There are the species such as the oxygen mask that medical oxygen mask, aviation oxygen mask and airline passengers use, for treatment disease, protect
Shield passenger and pilot play an important role safely.Oxygen mask is mainly made up of plastics, organosilicon or rubber.
Wherein, by taking medical oxygen mask as an example, traditional medical oxygen mask includes cover body and one end is connected to cover body
Appendix, the other end of appendix is connected to source of oxygen.By taking critically ill patient as an example, due to critically ill patient be temporarily lost with it is clear-headed
Consciousness, it is especially needed careful when to severe patient nursing, but, when appendix because bending causes appendix to be blocked, it is impossible to
Effectively oxygen is delivered at cover body, or because appendix leading portion gas leakage, causes oxygen conveying capacity less, will all cause weight
Disease patient can not be drawn to enough oxygen, such as find not in time, critically ill patient will be caused to there is certain potential safety hazard, because
, there are certain improvements in this.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of oxygen mask, gas transmission can be monitored
The oxygen flowing of pipe, improves the security of critically ill patient oxygen uptake.
The present invention above-mentioned technical purpose technical scheme is that：
Monitoring housing is installed on a kind of oxygen mask, including cover body and the appendix for being connected to cover body, the appendix,
Have to be provided with the chamber communicated with appendix, the chamber on rotor, the monitoring housing in the monitoring housing and have
There is at least one observation portion for being used to observe rotor.
By above-mentioned technical proposal, one end of appendix is connected to cover body, and the other end is connected to source of oxygen, thus, oxygen
Oxygen in source can be passed into cover body by appendix, wherein, monitoring housing is installed on appendix, the chamber of housing is monitored
Rotor is installed in room, and there is the observation portion for being used for observing rotor on monitoring housing, thus, is passed into oxygen
In chamber, oxygen formation gas shock rotates physical efficiency and rotated in the chamber, thus, medical personnel can lead on rotor
Cross the rotation that observation portion observes rotor；
When appendix because being connected this section of gas leakage with source of oxygen when bending causes appendix to be blocked or because of appendix
When, the oxygen flow in appendix will be caused to tail off or do not plan a successor, rotor by velocity of rotation in the chamber it is slack-off or
Person stops operating, thus, and medical personnel obtain the state of oxygen flow in appendix by observation portion in time, is adjusted with timely
Control, it is ensured that critically ill patient can stably be drawn to oxygen, improves the security of critically ill patient oxygen uptake.
It is preferred that, there is the air inlet that is communicated respectively with appendix and gas outlet in the chamber, the air inlet and go out
Gas port is located along the same line.
By above-mentioned technical proposal, enter fashionable from the air inlet of chamber when oxygen forms air-flow, air inlet and gas outlet position
In on same straight line, thereby reducing the time that oxygen is stayed in the chamber, oxygen flow effect is improved.
It is preferred that, the rotor is impeller, and the wheel rotation is installed in the chamber.
By above-mentioned technical proposal, wheel rotation is installed in the chamber, thus, and the gas shock of oxygen formation is on impeller
When, impeller will rotate in the chamber, and the effect that the speed of wheel rotation observes oxygen gas flow rate for medical personnel is clear
Chu, substantially.
It is preferred that, the impeller has some blade groups, and each blade group includes at least two blade bodies, two neighboring
Dividing plate is provided between blade body.
By above-mentioned technical proposal, when being cured by oxygen therapy by the oxygen mask, oxygen, each blade are will be filled with chamber
Dividing plate is provided with group between two neighboring blade body, when the gas shock of oxygen formation is on dividing plate, dividing plate divides air-flow
Into two layers up and down, reach and rationally promote impeller, and impeller is in rotation, the oxygen in chamber can be dialled in going out from air inlet
To enter in cover body in gas port, further to improve the stability of oxygen circulation.
It is preferred that, the medium position of the dividing plate and air inlet or air inlet and gas outlet is oppositely arranged.
By above-mentioned technical proposal, dividing plate is relative with the medium position of air inlet or air inlet and gas outlet, thus,
When the gas shock of oxygen is between the blade body of impeller, the air-flow of oxygen can be divided into upper and lower two layers by dividing plate, to close
Reason promotes wheel rotation, it is to avoid bearing up-down force inequality occurs in impeller, rotates sluggish phenomenon, further to improve oxygen circulation
Stability.
It is preferred that, the impeller has three blade groups, and each blade group includes two blade bodies.
By above-mentioned technical proposal, impeller, which has, has two blade bodies in three blade groups, each blade group, by
This, an impeller has six blade bodies, and rationally, rotational efficienty is high for the blade wheel structure.
It is preferred that, the end of each blade body offers the skewed slot that oxygen passes through.
Pass through above-mentioned technical proposal, the setting of skewed slot so that preferable circulation is kept between two neighboring blade body,
When oxygen is passed through from the air inlet of chamber, oxygen can be covered with chamber rapidly by skewed slot in the chamber so that each blade master
Air pressure between body is consistent, therefore, when the velocity of liquid assets of oxygen is slack-off, gas shock the rushing on impeller of oxygen formation
When hitting power and dying down, to cause the speed of wheel rotation slack-off in time, the observing effect of medical personnel's oxygen gas flow rate is improved.
It is preferred that, the quantity in the observation portion is set to one, and the observation portion is the catch of transparent material, the catch
It is connected on by supersonic welding on monitoring housing.
By above-mentioned technical proposal, the catch on monitoring housing is connected on by supersonic welding, catch and monitoring shell can be caused
Body heat is melted together, to reach effect that chamber is fully sealed, can be avoided producing gap between catch and monitoring housing, be influenceed
The monitoring effect of impeller monitoring oxygen flowing.
It is preferred that, the two ends of the appendix, which are provided with connecting tube, the inlet end of the cover body, is provided with connector, institute
Stating connector has the connection end coordinated with connecting tube grafting.
By above-mentioned technical proposal, the end of appendix is provided with connecting tube, and cover body is connected to connecting tube by connector
On, thereby, it is possible to ensure that the junction between appendix and cover body keeps stiffening state, it is to avoid because curved between appendix and cover body
Roll over and the circulation of blocking oxygen.
It is preferred that, offer air drain on the connector.
By above-mentioned technical proposal, the setting of air drain is played a part of adjusting oxygen concentration.
In summary, having the beneficial effect that in contrast to prior art of the invention：
When appendix because being connected this section of gas leakage with source of oxygen when bending causes appendix to be blocked or because of appendix
When, the oxygen flow in appendix will be caused to tail off or do not plan a successor, rotor by velocity of rotation in the chamber it is slack-off or
Person stops operating, thus, and medical personnel obtain the state of oxygen flow in appendix by observation portion in time, is adjusted with timely
Control, it is ensured that critically ill patient can stably be drawn to oxygen, improves the security of critically ill patient oxygen uptake.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment；
Fig. 2 is the exploded perspective view of embodiment；
Fig. 3 is monitoring the first scheme of installation of housing for impeller in embodiment；
Fig. 4 is monitoring the second scheme of installation of housing for impeller in embodiment.
Reference：1st, cover body；101st, inlet end；102nd, venthole；103rd, spud pile；104th, cord hole；2nd, appendix；3、
Connecting tube；4th, connector；5th, connection end；6th, air drain；7th, housing is monitored；8th, chamber；9th, connecting pole；10th, impeller；11st, catch；
12nd, shelves shoulder；13rd, mounting groove；14th, axis hole；15th, rotating shaft；16th, air inlet；17th, gas outlet；18th, blade body；19th, air cavity；20、
Dividing plate；21st, skewed slot.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
With reference to shown in Fig. 1 and Fig. 2, a kind of oxygen mask, including cover body 1 and the appendix 2 for being connected to cover body 1, cover body
1 has inlet end 101 and venthole 102, and has the spud pile 103 for being used for installing aluminium flake, cover in the wing of nose position of cover body 1
The both sides of body 1 offer cord hole 104.
The two ends grafting of appendix 2 is sealed and installed with grafting on connecting tube 3, the inlet end 101 of cover body 1 and is sealed and installed with company
Have on joint 4, connector 4 and seal the connection end 5 coordinated with the grafting of connecting tube 3.Wherein, offered on connector 4 and cover body 1
The air drain 6 that inside is communicated.
With reference to shown in Fig. 3 and Fig. 4, it is provided with appendix 2 on monitoring housing 7, monitoring housing 7 and offers chamber 8, monitored
The both sides of housing 7 have hollow connecting pole 9, and appendix 2 is plugged in connecting pole 9 with monitoring the phase of chamber 8 inside housing 7
It is intercommunicated.The observation portion that there is at least one to be used to observe rotor on rotor, monitoring housing 7 is installed in chamber 8.
Specifically, rotor is impeller 10, and impeller 10 is rotatably installed in chamber 8.The quantity in observation portion is set to one,
Observation portion is to have shelves shoulder 12 on the catch 11 of transparent material, catch 11, has the installation coordinated with shelves shoulder 12 on monitoring housing 7
Groove 13, catch 11 after shelves shoulder 12 and the pairing of mounting groove 13 by supersonic welding by being connected on monitoring housing 7 to seal monitoring shell
The chamber 8 of body 7.What deserves to be explained is, the middle part of impeller 10 has on axis hole 14, chamber 8 and catch 11 and had respectively and axis hole
14 rotating shafts 15 coordinated.
There is the air inlet 16 communicated respectively with appendix 2 and gas outlet 17, air inlet 16 and gas outlet 17 in chamber 8
In on same straight line.
Impeller 10 has the blade group of some equidistantly distributeds, and each blade group includes at least two blade bodies 18.Leaf
Air cavity 19 is formed between adjacent blades group and two blade bodies 18 each adjacent in blade group in wheel 10, wherein,
Dividing plate 20 is provided between the two neighboring blade body 18 of one blade group, dividing plate 20 is located at the medium position of impeller 10 to incite somebody to action
Air cavity 19 be separated into above and below two parts.In one embodiment, the medium position of dividing plate 20 and air inlet 16 is oppositely arranged, another
In one embodiment, the medium position of dividing plate 20 and air inlet 16 and gas outlet 17 is oppositely arranged.What deserves to be explained is, impeller 10
With three blade groups, each blade group includes two blade bodies 18.
Offer the skewed slot 21 that oxygen passes through in the end of each blade body 18, the setting of skewed slot 21 is with by each gas
Chamber 19 is communicated, in the present embodiment, and skewed slot 21 is located at the both sides of the end of blade body 18, inclining between skewed slot 21 and the inwall of chamber 8
Rake angle is between 40 ~ 60 °.
The course of work：
One end of appendix 2 is connected to cover body 1, and the other end is connected to source of oxygen, when the oxygen in source of oxygen is logical by appendix 2
During entering to cover body 1, oxygen first passes through appendix 2 and entered from air inlet 16 in the chamber 8 of monitoring housing 7, oxygen shape
Into air-flow will impact on impeller 10, after make it that impeller 10 rotates in chamber 8, oxygen is logical from the outflow of gas outlet 17
Cross appendix 2 and enter in cover body 1 and think that sufferer is cured by oxygen therapy, wherein, transparent catch 11 can be seen in real time on monitoring housing 7
Examine the rotary state of impeller 10；
When appendix 2 because bending causes appendix 2 to be blocked or because the leading portion gas leakage that appendix 2 is connected with source of oxygen,
When causing the oxygen flow in appendix 2 to tail off or do not plan a successor, impeller 10 by the velocity of rotation in chamber 8 it is slack-off or
Stop operating, thus, medical personnel obtain the state of oxygen flow in appendix 2 by transparent catch 11 in time, with timely
Regulated and controled, it is ensured that critically ill patient can stably be drawn to oxygen, improve the security of critically ill patient oxygen uptake.
Described above is only the exemplary embodiment of the present invention, not for limiting the scope of the invention, this hair
Bright protection domain is determined by appended claim.
Claims (10)
1. a kind of oxygen mask, including cover body (1) and the appendix (2) for being connected to cover body (1), it is characterized in that, the gas transmission
Being provided with pipe (2) in monitoring housing (7), the monitoring housing (7) has the chamber (8) communicated with appendix (2), the chamber
The observation portion that there is at least one to be used to observe rotor on rotor, the monitoring housing (7) is installed in room (8).
2. a kind of oxygen mask according to claim 1, it is characterized in that, have in the chamber (8) respectively with appendix
(2) air inlet (16) communicated and gas outlet (17), the air inlet (16) and gas outlet (17) are located along the same line.
3. a kind of oxygen mask according to claim 2, it is characterized in that, the rotor is impeller (10), the impeller
(10) it is rotatably installed in chamber (8).
4. a kind of oxygen mask according to claim 3, it is characterized in that, the impeller (10) has some blade groups, often
Individual blade group includes being provided with dividing plate (20) between at least two blade bodies (18), two neighboring blade body (18).
5. a kind of oxygen mask according to claim 4, it is characterized in that, the dividing plate (20) and air inlet (16) or enter
Gas port (16) and the medium position of gas outlet (17) are oppositely arranged.
6. a kind of oxygen mask according to claim 4, it is characterized in that, the impeller (10) has three blade groups, often
Individual blade group includes two blade bodies (18).
7. a kind of oxygen mask according to claim 4, it is characterized in that, the end of each blade body (18) offers confession
The skewed slot (21) that oxygen passes through.
8. a kind of oxygen mask according to claim 1, it is characterized in that, the quantity in the observation portion is set to one, institute
The catch (11) that observation portion is transparent material is stated, the catch (11) is connected on monitoring housing (7) by supersonic welding.
9. a kind of oxygen mask according to claim 1, it is characterized in that, the two ends of the appendix (2) are provided with connection
Manage (3), connector (4) is installed on the inlet end (101) of the cover body (1), the connector (4) has and connecting tube (3)
The connection end (5) that grafting coordinates.
10. a kind of oxygen mask according to claim 9, it is characterized in that, offer air drain (6) on the connector (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710557056.0A CN107198808A (en) | 2017-07-10 | 2017-07-10 | A kind of oxygen mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710557056.0A CN107198808A (en) | 2017-07-10 | 2017-07-10 | A kind of oxygen mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107198808A true CN107198808A (en) | 2017-09-26 |
Family
ID=59910950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710557056.0A Pending CN107198808A (en) | 2017-07-10 | 2017-07-10 | A kind of oxygen mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107198808A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111867683A (en) * | 2018-03-20 | 2020-10-30 | 皇家飞利浦有限公司 | Breathing auxiliary mask and control method thereof |
| CN113332549A (en) * | 2021-05-19 | 2021-09-03 | 吉林大学 | Oxygen supply device for nursing megaloblastic anemia |
| CN115999005A (en) * | 2023-03-15 | 2023-04-25 | 杭州超德斯实业有限公司 | Medical oxygen mask |
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|---|---|---|---|---|
| CN201340280Y (en) * | 2008-12-04 | 2009-11-04 | 泉州日新流量仪器仪表有限公司 | Composite impeller type flow meter |
| CN101576062A (en) * | 2009-06-22 | 2009-11-11 | 肖禹 | Rotor assembly of wind power generator |
| JP2011005115A (en) * | 2009-06-29 | 2011-01-13 | Ohiro Kusunoki | Mask for airway management |
| CN201880160U (en) * | 2010-11-06 | 2011-06-29 | 刘新华 | Oxygen inhalation mask |
| US20120192972A1 (en) * | 2010-12-06 | 2012-08-02 | Devita Michael A | Fluid Flow Indicator and Method |
| CN104088802A (en) * | 2014-05-26 | 2014-10-08 | 浙江理工大学 | 360-degree fan with optimized pneumatic performance |
| CN106523429A (en) * | 2016-12-05 | 2017-03-22 | 珠海格力电器股份有限公司 | Fan blade capable of discharging air circumferentially and fan with fan blade |
| CN208436207U (en) * | 2017-07-10 | 2019-01-29 | 杭州超德斯实业有限公司 | A kind of oxygen mask |
-
2017
- 2017-07-10 CN CN201710557056.0A patent/CN107198808A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201340280Y (en) * | 2008-12-04 | 2009-11-04 | 泉州日新流量仪器仪表有限公司 | Composite impeller type flow meter |
| CN101576062A (en) * | 2009-06-22 | 2009-11-11 | 肖禹 | Rotor assembly of wind power generator |
| JP2011005115A (en) * | 2009-06-29 | 2011-01-13 | Ohiro Kusunoki | Mask for airway management |
| CN201880160U (en) * | 2010-11-06 | 2011-06-29 | 刘新华 | Oxygen inhalation mask |
| US20120192972A1 (en) * | 2010-12-06 | 2012-08-02 | Devita Michael A | Fluid Flow Indicator and Method |
| CN104088802A (en) * | 2014-05-26 | 2014-10-08 | 浙江理工大学 | 360-degree fan with optimized pneumatic performance |
| CN106523429A (en) * | 2016-12-05 | 2017-03-22 | 珠海格力电器股份有限公司 | Fan blade capable of discharging air circumferentially and fan with fan blade |
| CN208436207U (en) * | 2017-07-10 | 2019-01-29 | 杭州超德斯实业有限公司 | A kind of oxygen mask |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111867683A (en) * | 2018-03-20 | 2020-10-30 | 皇家飞利浦有限公司 | Breathing auxiliary mask and control method thereof |
| CN113332549A (en) * | 2021-05-19 | 2021-09-03 | 吉林大学 | Oxygen supply device for nursing megaloblastic anemia |
| CN113332549B (en) * | 2021-05-19 | 2022-06-03 | 吉林大学 | Oxygen supply device for nursing megaloblastic anemia |
| CN115999005A (en) * | 2023-03-15 | 2023-04-25 | 杭州超德斯实业有限公司 | Medical oxygen mask |
| CN115999005B (en) * | 2023-03-15 | 2023-08-22 | 杭州超德斯实业有限公司 | Medical oxygen mask |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170926 |
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| RJ01 | Rejection of invention patent application after publication |