CN109701134A - A kind of Intensive Care Therapy ventilator mask - Google Patents
A kind of Intensive Care Therapy ventilator mask Download PDFInfo
- Publication number
- CN109701134A CN109701134A CN201910168622.8A CN201910168622A CN109701134A CN 109701134 A CN109701134 A CN 109701134A CN 201910168622 A CN201910168622 A CN 201910168622A CN 109701134 A CN109701134 A CN 109701134A
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- Prior art keywords
- mask body
- intensive care
- mask
- care therapy
- baffle
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- 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
- 238000002560 therapeutic procedure Methods 0.000 title claims abstract description 21
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 35
- 239000001301 oxygen Substances 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims description 9
- 206010058109 Hangnail Diseases 0.000 claims description 4
- 230000001815 facial effect Effects 0.000 claims description 4
- 230000037213 diet Effects 0.000 description 11
- 235000005911 diet Nutrition 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000000241 respiratory effect Effects 0.000 description 6
- 230000029058 respiratory gaseous exchange Effects 0.000 description 6
- 238000013016 damping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 208000004756 Respiratory Insufficiency Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 201000004193 respiratory failure Diseases 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a kind of Intensive Care Therapy ventilator masks, mask body front upper fixes and is connected to the air inlet pipe of oxygen conveying, air inlet pipe outer end is provided with connector, the joint screw thread connects corrugated flexible hose output end, the stopcock that oxygen conveying capacity is adjusted is rotatably connected to above air inlet pipe, mask body lower front offers feed mouth, feeds and is provided with baffle outside mouth, baffle lower end and mask body forward outer surface are hinged；Motion bar lower end is rotatablely connected at the upper side of the baffle, for motion bar upper socket in loop bar, loop bar upper end is rotatably connected on mask body top, passes through spring between motion bar upper end and loop bar inner wall top and connects；The mask body lower rotation is connected with gag lever post, and mask body lower part two sides offer venthole, and plugging sheet is provided with outside venthole, and plugging sheet lower end and mask body are rotatablely connected.
Description
Technical field
The present invention relates to a kind of Medical Devices, specifically a kind of Intensive Care Therapy ventilator mask.
Background technique
In current clinical medicine, effective means of the ventilator as an energy artificial substituting expiratory positive airway pressure function is general
All over for anesthesia respiration management, Breathing Suppotion treatment and the emergency resuscitation during respiratory failure, major operation caused by a variety of causes
In, highly important position is occupied in Modern Medical Field.Ventilator is that one kind can play prevention and treatment respiratory failure,
Complication is reduced, the vital Medical Devices of patients ' lives are saved and extend.
Current existing ventilator cooperates nose cup or mask to wear use mostly, compared to the nose cup of open type, mask
It more can increase the utilization rate of oxygen, but mask currently on the market needs to carry out diet in sufferer mostly without feed mouth
Or when speaking, it could complete, be inconvenient after needing integrally to take down the mask of wearing.
Summary of the invention
The purpose of the present invention is to provide a kind of Intensive Care Therapy ventilator masks, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme:
A kind of Intensive Care Therapy ventilator mask, including mask body, mask body rear edge fixed bonding are used for
The sealing rubber ring contacted with patient facial region, mask body front upper fix and are connected to the air inlet pipe of oxygen conveying, air inlet
Pipe outer end is provided with connector, and the joint screw thread connects corrugated flexible hose output end, is rotatably connected to above air inlet pipe defeated to oxygen
The stopcock that the amount of sending is adjusted, mask body lower front offer feed mouth, feed and are provided with baffle, baffle lower end outside mouth
It is hinged with mask body forward outer surface；Motion bar lower end is rotatablely connected at the upper side of the baffle, motion bar upper socket exists
In loop bar, loop bar upper end is rotatably connected on mask body top, passes through spring bullet between motion bar upper end and loop bar inner wall top
Property connection；The mask body lower rotation is connected with gag lever post, and mask body lower part two sides offer venthole, venthole
Outside is provided with plugging sheet, and plugging sheet lower end and mask body are rotatablely connected.
As a further solution of the present invention: mask body rear portion two sides are each to fix a flexible bandage,
The tail end Fixed latches of one of bandage, the fixed lock pin of the tail end of another bandage.
As further scheme of the invention: the bolt end has hangnail, has hook inside lock pin.
As further scheme of the invention: the spring is in tensional state always.
As further scheme of the invention: the connector and corrugated flexible hose junction are provided with the pad for sealing
Piece.
As further scheme of the invention: passing through pin shaft between the gag lever post and mask body outer wall and rotate company
It connects.
As further scheme of the invention: the gag lever post is in inverted L shape.
As further scheme of the invention: the mask body inner upper is fixedly connected with pressure transducer, pressure
Strong sensor signal connects display screen, and display screen is fixed on mask body outer wall upper end.
As further scheme of the invention: offering battery case inside the mask body, be equipped in battery case
Button cell.
As further scheme of the invention: the button cell conducting wire connection pressure transducer and display screen.
Compared with prior art, the beneficial effects of the present invention are: the mask, which passes through the feed mouth opened up, facilitates patients diet
It drinks water perhaps to converse and overcomes the trouble that traditional mask needs to remove mask when patients diet drinks water or converses, keep off
When under not by external force, spring pulls motion bar to move up and then baffle is driven to be bonded feed mouth always and is sealed against piece, prevents
The only oxygen leakage inside mask body, meanwhile, the size of venthole is adjusted using plugging sheet, can be adjusted according to breathing is strong and weak,
It prevents oxygen excessive, oxygen supply is kept to match with patient respiratory, save oxygen.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of Intensive Care Therapy ventilator mask.
Fig. 2 is the structural schematic diagram of motion bar and loop bar in a kind of Intensive Care Therapy ventilator mask.
Fig. 3 is a kind of structural schematic diagram of gag lever post in Intensive Care Therapy ventilator mask.
In figure: 1- mask body；2- sealing rubber ring；3- air inlet pipe；4- connector；5- gasket；6- corrugated flexible hose；7- feed
Mouthful；8- baffle；9- stopcock；10- motion bar；11- loop bar；12- spring；13- pressure transducer；14- display screen；15- plugging sheet；
16- venthole；17- gag lever post；18- bandage；19- bolt；20- lock pin.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Please refer to Fig. 1~3, in the embodiment of the present invention, a kind of Intensive Care Therapy ventilator mask, including mask body 1, face
1 rear edge fixed bonding of cover body has the sealing rubber ring 2 for contacting with patient facial region, and 1 front upper of mask body is solid
Determine and be connected to the air inlet pipe 3 of oxygen conveying, 3 outer end of air inlet pipe is provided with connector 4, and connector 4 is threadedly coupled corrugated flexible hose 6 and exports
End, and connector 4 and 6 junction of corrugated flexible hose are provided with the gasket 5 for sealing, by corrugated flexible hose 6 through air inlet pipe 3 to face
Any deformation can occur for 1 delivered inside oxygen of cover body without hindering the corrugated flexible hose 6 of oxygen circulation to facilitate patients head living
It is dynamic；The stopcock 9 that oxygen conveying capacity is adjusted is rotatably connected to above the air inlet pipe 3,1 lower front of mask body opens up
There is feed mouth 7, feeds and be provided with baffle 8 outside mouth 7,8 lower end of baffle and 1 forward outer surface of mask body are hinged, by opening up
Feed mouth 7 facilitate patients diet drink water perhaps converse overcome traditional mask when patients diet drinks water or converses need
The trouble that mask is removed.
10 lower end of motion bar is rotatablely connected at the upper side of the baffle 8,10 upper socket of motion bar is in loop bar 11, loop bar
11 upper ends are rotatably connected on 1 top of mask body, it should be noted that lead between at the top of 11 inner wall of 10 upper end of motion bar and loop bar
12 elastic connection of spring is crossed, i.e. 12 upper end of spring is fixed at the top of 11 inner wall of loop bar, and 12 lower end of spring is fixed on motion bar 10
End, spring 12 are in tensional state always, and when baffle 8 is not when under by external force, spring 12 pulls to be moved on motion bar 10
And drive baffle 8 be bonded always feed mouth 7 be sealed against, prevent oxygen mask body 1 inside from leaking outside, when pulling baffle 8 to
When lower overturning, motion bar 10 drives spring 12 to be further stretched to open to will feed mouth 7, facilitate patients diet with drink water with
And call；1 lower rotation of mask body is connected with gag lever post 17, it is preferable that between 1 outer wall of gag lever post 17 and mask body
It is rotatablely connected by pin shaft, and gag lever post 17 is in inverted L shape, 1 lower part two sides of mask body offer venthole 16, venthole 16
Outside is provided with plugging sheet 15, and 15 lower end of plugging sheet and mask body 1 are rotatablely connected, the rotary spacing bar 17 after turning under baffle 8
Can be fixed by baffle 8, it is in the open state always that mouth 7 is fed at this time, wherein is had at plugging sheet 15 and 1 rotation of mask body
Damping adjusts the size of venthole 16 using plugging sheet 15, can adjust according to breathing is strong and weak, prevent oxygen excessive, keep oxygen supply
Match with patient respiratory, saves oxygen.
The 1 rear portion two sides of mask body are each to fix a flexible bandage 18, the tail end of one of bandage 18
Fixed latches 19, the fixed lock pin 20 of the tail end of another bandage 18,19 end of bolt have hangnail, have hook inside lock pin 20,
Entire mask can be fixed on to the head of patient by bolt 19 and lock pin 20 and flexible bandage 18, facilitate wearing.
Embodiment 2
In another embodiment of the present invention, a kind of Intensive Care Therapy ventilator mask, including mask body 1, mask body 1
Rear edge fixed bonding has the sealing rubber ring 2 for contacting with patient facial region, and 1 front upper of mask body is fixed and is connected to
The air inlet pipe 3 of oxygen conveying, 3 outer end of air inlet pipe are provided with connector 4, and connector 4 is threadedly coupled 6 output end of corrugated flexible hose, and
Connector 4 and 6 junction of corrugated flexible hose are provided with the gasket 5 for sealing, by corrugated flexible hose 6 through air inlet pipe 3 to mask body 1
Any deformation can occur for delivered inside oxygen without hindering the corrugated flexible hose 6 of oxygen circulation to facilitate patients head movable；It is described into
The stopcock 9 that oxygen conveying capacity is adjusted is rotatably connected to above tracheae 3,1 lower front of mask body offers feed mouth
7, it feeds and is provided with baffle 8 outside mouth 7,8 lower end of baffle and 1 forward outer surface of mask body are hinged, pass through the feed mouth 7 opened up
Patients diet is facilitated to drink water perhaps to converse and overcome traditional mask and need to take mask when patients diet drinks water or converses
Under trouble.
10 lower end of motion bar is rotatablely connected at the upper side of the baffle 8,10 upper socket of motion bar is in loop bar 11, loop bar
11 upper ends are rotatably connected on 1 top of mask body, it should be noted that lead between at the top of 11 inner wall of 10 upper end of motion bar and loop bar
12 elastic connection of spring is crossed, i.e. 12 upper end of spring is fixed at the top of 11 inner wall of loop bar, and 12 lower end of spring is fixed on motion bar 10
End, spring 12 are in tensional state always, and when baffle 8 is not when under by external force, spring 12 pulls to be moved on motion bar 10
And drive baffle 8 be bonded always feed mouth 7 be sealed against, prevent oxygen mask body 1 inside from leaking outside, when pulling baffle 8 to
When lower overturning, motion bar 10 drives spring 12 to be further stretched to open to will feed mouth 7, facilitate patients diet with drink water with
And call；1 lower rotation of mask body is connected with gag lever post 17, it is preferable that between 1 outer wall of gag lever post 17 and mask body
It is rotatablely connected by pin shaft, and gag lever post 17 is in inverted L shape, 1 lower part two sides of mask body offer venthole 16, venthole 16
Outside is provided with plugging sheet 15, and 15 lower end of plugging sheet and mask body 1 are rotatablely connected, the rotary spacing bar 17 after turning under baffle 8
Can be fixed by baffle 8, it is in the open state always that mouth 7 is fed at this time, wherein is had at plugging sheet 15 and 1 rotation of mask body
Damping adjusts the size of venthole 16 using plugging sheet 15, can adjust according to breathing is strong and weak, prevent oxygen excessive, keep oxygen supply
Match with patient respiratory, saves oxygen.
The 1 rear portion two sides of mask body are each to fix a flexible bandage 18, the tail end of one of bandage 18
Fixed latches 19, the fixed lock pin 20 of the tail end of another bandage 18,19 end of bolt have hangnail, have hook inside lock pin 20,
Entire mask can be fixed on to the head of patient by bolt 19 and lock pin 20 and flexible bandage 18, facilitate wearing；
1 inner upper of mask body is fixedly connected with pressure transducer 13, and 13 signal of pressure transducer connects display screen 14, display
Screen 14 is fixed on 1 outer wall upper end of mask body, and pressure transducer 13 and display screen 14 are electrically connected battery, specifically,
Battery case is offered inside mask body 1, button cell is installed in battery case, and button cell conducting wire connects pressure transducer 13
With display screen 14, the air pressure inside mask body 1 check and shown by display screen 14, side by pressure transducer 13
Just medical staff reconciles stopcock 9 and plugging sheet 15, controls the balance of oxygen-supplying amount and respiratory capacity, prevents outside for hypoxgia and oxygen
It overflows.
The working principle of the invention is: can be sent out through air inlet pipe 3 to 1 delivered inside oxygen of mask body by corrugated flexible hose 6
Raw any deformation facilitates trouble by the feed mouth 7 opened up without hindering the corrugated flexible hose 6 of oxygen circulation to facilitate patients head movable
Person's feed, which drinks water perhaps to converse, overcomes the fiber crops that traditional mask needs to remove mask when patients diet drinks water or converses
Tired, when baffle 8 is not when under by external force, spring 12 pulls motion bar 10 to move up and then baffle 8 is driven to be bonded feed always
Mouth 7 is sealed against, and prevents the oxygen inside mask body 1 from leaking outside, and when pulling baffle 8 to downwardly turn over, 10 band of motion bar is moved
Spring 12 is further stretched to open so that mouth 7 will be fed, and facilitates patients diet and drinks water and converse, and turns after turning under baffle 8
Dynamic gag lever post 17 can be fixed by baffle 8, it is in the open state always to feed mouth 7 at this time, wherein plugging sheet 15 and mask body 1
There is damping at rotation, the size of venthole 16 is adjusted using plugging sheet 15, can adjust, be prevented outside oxygen according to breathing is strong and weak
It overflows, oxygen supply is kept to match with patient respiratory, save oxygen, it can by bolt 19 and lock pin 20 and flexible bandage 18
Entire mask is fixed on to the head of patient, facilitates wearing, the air pressure inside mask body 1 is carried out by pressure transducer 13
It checks and passes through display screen 14 and show, medical staff is facilitated to reconcile stopcock 9 and plugging sheet 15, control the flat of oxygen-supplying amount and respiratory capacity
Weighing apparatus, prevents excessive for hypoxgia and oxygen.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of Intensive Care Therapy ventilator mask, including mask body (1), mask body (1) rear edge fixed bonding has
Sealing rubber ring (2) for being contacted with patient facial region, mask body (1) front upper fix and be connected to oxygen conveying into
Tracheae (3), air inlet pipe (3) outer end are provided with connector (4), which is characterized in that the connector (4) is threadedly coupled corrugated flexible hose (6)
Output end, is rotatably connected to the stopcock (9) that oxygen conveying capacity is adjusted above air inlet pipe (3), under mask body (1) front
Side offers feed mouth (7), is provided with baffle (8) outside feed mouth (7), baffle (8) lower end and mask body (1) front appearance
Face is hinged；Motion bar (10) lower end is rotatablely connected at the upper side of the baffle (8), motion bar (10) upper socket is in loop bar (11)
Interior, loop bar (11) upper end is rotatably connected on mask body (1) top, between motion bar (10) upper end and loop bar (11) inner wall top
Pass through spring (12) elastic connection；Mask body (1) lower rotation is connected with gag lever post (17), mask body (1) lower part
Two sides offer venthole (16), are provided with plugging sheet (15) outside venthole (16), plugging sheet (15) lower end and mask sheet
Body (1) rotation connection.
2. a kind of Intensive Care Therapy ventilator mask according to claim 1, which is characterized in that the mask body (1)
Rear portion two sides are each to fix a flexible bandage (18), and the tail end Fixed latches (19) of one of bandage (18) are another
The tail end of bandage (18) is fixed lock pin (20).
3. a kind of Intensive Care Therapy ventilator mask according to claim 2, which is characterized in that bolt (19) end
With hangnail, there is hook inside lock pin (20).
4. a kind of Intensive Care Therapy ventilator mask according to claim 1, which is characterized in that the spring (12) is always
In tensional state.
5. a kind of Intensive Care Therapy ventilator mask according to claim 1, which is characterized in that the connector (4) and wave
Line hose (6) junction is provided with the gasket (5) for sealing.
6. a kind of Intensive Care Therapy ventilator mask according to claim 1, which is characterized in that the gag lever post (17) with
It is rotatablely connected between mask body (1) outer wall by pin shaft.
7. a kind of Intensive Care Therapy ventilator mask according to claim 1, which is characterized in that the gag lever post (17) is in
Inverted L shape.
8. a kind of Intensive Care Therapy ventilator mask according to claim 1, which is characterized in that the mask body (1)
Inner upper is fixedly connected with pressure transducer (13), and pressure transducer (13) signal connects display screen (14), display screen (14)
It is fixed on mask body (1) outer wall upper end.
9. a kind of Intensive Care Therapy ventilator mask according to claim 8, which is characterized in that the mask body (1)
Inside offers battery case, is equipped with button cell in battery case.
10. a kind of Intensive Care Therapy ventilator mask according to claim 9, which is characterized in that the button cell is led
Line connects pressure transducer (13) and display screen (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910168622.8A CN109701134A (en) | 2019-03-06 | 2019-03-06 | A kind of Intensive Care Therapy ventilator mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910168622.8A CN109701134A (en) | 2019-03-06 | 2019-03-06 | A kind of Intensive Care Therapy ventilator mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109701134A true CN109701134A (en) | 2019-05-03 |
Family
ID=66266377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910168622.8A Pending CN109701134A (en) | 2019-03-06 | 2019-03-06 | A kind of Intensive Care Therapy ventilator mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109701134A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110812650A (en) * | 2019-11-07 | 2020-02-21 | 中南大学 | Prevent pressure damage breathing machine face guard |
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|---|---|---|---|---|
| US5331957A (en) * | 1993-02-05 | 1994-07-26 | Liu Chin Chia | Respirator for only filtering air inhaled |
| CN2329822Y (en) * | 1998-04-03 | 1999-07-21 | 马若伦 | Rotary plate valve interlocking linkage air locking device with elliptic valve plate |
| CN2915144Y (en) * | 2006-06-08 | 2007-06-27 | 袁科宇 | A vent adjustable oxygen mask |
| CN101293120A (en) * | 2007-11-29 | 2008-10-29 | 谭振花 | Improved medical oxygen therapy cover |
| CN204772981U (en) * | 2015-06-18 | 2015-11-18 | 重庆市瑞轩豪邦新型建材有限公司 | Raise dust structure is prevented in brickmaking stirring |
| CN105079936A (en) * | 2015-08-28 | 2015-11-25 | 苏州新区明基高分子医疗器械有限公司 | Oxygen mask for medical use |
| CN207071159U (en) * | 2017-02-09 | 2018-03-06 | 中国人民解放军第四军医大学 | A kind of simple multifunctional medical respiratory masks |
| CN207221100U (en) * | 2016-10-28 | 2018-04-13 | 殷莹 | A kind of multi-functional oxygen mask easy to adjust |
| CN208274804U (en) * | 2017-07-26 | 2018-12-25 | 王一淳 | A kind of Respiratory Medicine oxygen face mask |
-
2019
- 2019-03-06 CN CN201910168622.8A patent/CN109701134A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5331957A (en) * | 1993-02-05 | 1994-07-26 | Liu Chin Chia | Respirator for only filtering air inhaled |
| CN2329822Y (en) * | 1998-04-03 | 1999-07-21 | 马若伦 | Rotary plate valve interlocking linkage air locking device with elliptic valve plate |
| CN2915144Y (en) * | 2006-06-08 | 2007-06-27 | 袁科宇 | A vent adjustable oxygen mask |
| CN101293120A (en) * | 2007-11-29 | 2008-10-29 | 谭振花 | Improved medical oxygen therapy cover |
| CN204772981U (en) * | 2015-06-18 | 2015-11-18 | 重庆市瑞轩豪邦新型建材有限公司 | Raise dust structure is prevented in brickmaking stirring |
| CN105079936A (en) * | 2015-08-28 | 2015-11-25 | 苏州新区明基高分子医疗器械有限公司 | Oxygen mask for medical use |
| CN207221100U (en) * | 2016-10-28 | 2018-04-13 | 殷莹 | A kind of multi-functional oxygen mask easy to adjust |
| CN207071159U (en) * | 2017-02-09 | 2018-03-06 | 中国人民解放军第四军医大学 | A kind of simple multifunctional medical respiratory masks |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110812650A (en) * | 2019-11-07 | 2020-02-21 | 中南大学 | Prevent pressure damage breathing machine face guard |
| CN110812650B (en) * | 2019-11-07 | 2022-04-08 | 中南大学湘雅医院 | An anti-pressure injury ventilator mask |
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| PB01 | Publication | ||
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Application publication date: 20190503 |