CN108653892A - A kind of multi-functional noninvasive ventilator mask - Google Patents
A kind of multi-functional noninvasive ventilator mask Download PDFInfo
- Publication number
- CN108653892A CN108653892A CN201810583347.1A CN201810583347A CN108653892A CN 108653892 A CN108653892 A CN 108653892A CN 201810583347 A CN201810583347 A CN 201810583347A CN 108653892 A CN108653892 A CN 108653892A
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- CN
- China
- Prior art keywords
- mask
- sealing
- tracheae
- mask shell
- elastic
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 51
- 206010011985 Decubitus ulcer Diseases 0.000 claims abstract description 21
- 208000004210 Pressure Ulcer Diseases 0.000 claims abstract description 21
- 210000000214 mouth Anatomy 0.000 claims abstract description 21
- 230000002265 prevention Effects 0.000 claims abstract description 11
- 241000486406 Trachea Species 0.000 claims abstract description 6
- 210000003437 trachea Anatomy 0.000 claims abstract description 6
- 230000013011 mating Effects 0.000 claims abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 230000000740 bleeding effect Effects 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 238000001816 cooling Methods 0.000 abstract description 5
- 230000009466 transformation Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 210000004072 lung Anatomy 0.000 description 5
- 210000001331 nose Anatomy 0.000 description 5
- 230000000474 nursing effect Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000001815 facial effect Effects 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 208000004756 Respiratory Insufficiency Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000003928 nasal cavity Anatomy 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 201000004193 respiratory failure Diseases 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 238000009423 ventilation Methods 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. ventilators; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0605—Means for improving the adaptation of the mask to the patient
-
- 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. ventilators; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0683—Holding devices therefor
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)
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
The invention discloses a kind of multi-functional noninvasive ventilator masks, are related to field of medical device.It includes mask shell, and mask circle rear end face is provided with pressure sore prevention sealing device；Sealing care device in oral cavity is provided on front side of mask shell；The pressure sore prevention sealing device includes two annular elastic tracheaes；An elastic tracheae is installed in cooperation in each mounting groove；The right side of each elasticity tracheae is communicated with escape pipe；It is communicated with air intake branch on the left of each elasticity tracheae；The oral cavity sealing care device includes seal pipe；The rear portion of seal pipe is cylinder, and front is ellipse；The mask shell front is provided with spliced eye；The rear portion of seal pipe is tightly connected with spliced eye grafting；The front port of seal pipe is mating sealing cover.The beneficial effects of the invention are as follows：By bonding position transformation and heat conduction cooling in the way of, play pressure sore prevention effect, can when doing oral care synchronism stability forced gas supply.
Description
Technical field
The present invention relates to technical field of medical equipment.
Background technology
The main intranasal of noninvasive positive pressure ventilation or oral nose mask carry out man-machine interface connection, treat the respiratory failure of poisoning.
When using oral nose mask, the face of patient is needed to can be good at the sealing that coincide with mask, long-time service is then easy in compression shape
Pressure sore occurs under state；Simultaneously because long-term is in sealing contact, contact position temperature is also easy to be higher, easily causes sense of discomfort and pressure sore
Deng appearance, in many mask designs, do not consider the temperature problem of contact position, cannot be directed to well and press position and dropped
Temperature；When using oral nose mask, due to needing forced gas supply, then influence very much to carry out necessary nursing, behaviour to the oral cavity of patient
Make insufficient space or inconvenient, influences nursing efficacy.
Invention content
The technical problems to be solved by the invention are to be directed to above-mentioned technical deficiency, are provided a kind of multi-functional noninvasive
Ventilator mask.In the way of bonding position transformation with heat conduction cooling, pressure sore prevention effect is played, it can be same when doing oral care
Step stablizes forced gas supply.
The technical solution adopted by the present invention is：A kind of multi-functional noninvasive ventilator mask, including mask shell, air inlet are provided
The mask circle of pipe, the elastic bands on mask shell and mask shell posterior edges, it is characterised in that：Mask circle rear end face is set
It is equipped with pressure sore prevention sealing device；Sealing care device in oral cavity is provided on front side of mask shell；
The pressure sore prevention sealing device includes two annular elastic tracheaes；Elastic tracheae inner surface is uniformly fixedly connected
There is heat conduction iron plate；There are two mounting grooves along annular setting for the rear end face of mask circle；A bullet is installed in cooperation in each mounting groove
Property tracheae；The right side of each elasticity tracheae is communicated with escape pipe；The outlet side of escape pipe extends on the inside of mask shell, and goes out
The outlet side of tracheae is equipped with relief valve；It is communicated with air intake branch on the left of each elasticity tracheae；Air intake branch extends to mask
Circle is external, and is mounted on air bleeding valve on each air intake branch；The end of the air inlet pipe is communicated with three-way control valve；Threeway
Two ports of control valve are connected to the end of two air intake branches respectively；
The oral cavity sealing care device includes seal pipe；The rear portion of seal pipe is cylinder, and front is ellipse；Institute
The mask shell front stated is provided with spliced eye；Spliced eye is corresponding with patient's mouth position；The rear portion of seal pipe and spliced eye grafting
It is tightly connected；The front port of seal pipe is mating sealing cover.
Advanced optimize the technical program, a kind of mask shell lower part of multi-functional noninvasive ventilator mask is provided at least
Two preformed holes；Seal rubber plug is equipped in preformed hole.
It advanced optimizes the technical program, mounting hole is provided on a kind of sealing cover of multi-functional noninvasive ventilator mask；Peace
Grafting is sealed with medical pipeline in dress hole.
The technical program is advanced optimized, a kind of left and right sides of the elastic bands of multi-functional noninvasive ventilator mask is sliding
The dynamic flexible skidding of socket.
Advanced optimize the technical program, a kind of front periphery socket of the seal pipe of multi-functional noninvasive ventilator mask is set
It is equipped with silica gel sealing ring.
Advanced optimize the technical program, a kind of mask shell top of multi-functional noninvasive ventilator mask is provided with exhaust
Hole.
Advantageous effect of the present invention is：
1, by pressure sore prevention sealing device and patient face gluing, sealing, the side of bonding position transformation and heat conduction cooling is utilized
Formula plays pressure sore prevention effect；By oral cavity seal care device, can when doing oral care synchronism stability forced gas supply；
In pressure sore prevention sealing device, limited by tail portion relief valve, when elastic pipe gas pressurized to a certain extent
Afterwards just can be to supplying inside mask shell, therefore gas supply causes elastic tracheae to expand, and preferably realizes each position and patient facial region
Palette；The exchange conducting of two elastic tracheaes is controlled by three-way control valve, it is swollen that two elastic tracheaes distinguish air guide successively
It is swollen, compressed position can be changed, constantly exchange main compressed position, advantageously account for pressure sore problem；
The pressurization after the elastic tracheae of annular of the gas supply of lung ventilator is fed in mask shell, and the flowing of gas can play drop
The effect of temperature then plays the role of heating to gas supply, and appropriate heating and heat preservation keeps breathing more comfortable, by the way that heat conduction iron plate is arranged,
Conductive force can be improved, to the cooling-down effect of elastic tracheae, elastic tracheae and the temperature at patient contact can be reduced, be conducive to solve
Certainly pressure sore problem is worn more comfortable；
Oral cavity sealing care device can realize evagination grafting or indent grafting, can seal, ensure inside mask shell
Forced gas supply, when seal pipe indent grafting, i.e., oval shaped portion enters on the inside of mask shell, and corresponding with patient oral cavity,
Patient dehisces, and sealing is realized in the oval part that mouth encases seal pipe, can still carry out forced gas supply by nasal cavity, and mouth at this time
Chamber is opened completely, can carry out more oral cares from outside.
2, the nursing pipe of the diameter adaptation needed for the patients such as pluggable connection stomach oesophagus of preformed hole, provides more nursing
Device assembles, while ensureing internal sealing effect；
3, sealing cover seals the elliptical head of seal pipe, and the peace being adapted to required medical pipeline etc. is opened on sealing cover
Hole is filled, the pipeline of different-diameter can be more adapted to, preferably ensure sealing effect；
4, elastic bands are sleeved on patients head, realize and fix to mask shell, elastic bands can be propped by elastic skidding,
Ensure reduction and the contact of patient facial region's skin while fixed effect, and adjustable fulcrum position is arranged by sliding, more preferably
Reduction side pressure sore problem；
5, seal pipe front elliptical section, which sets up separately, sets silica gel sealing ring, and sealing function can be improved.
Description of the drawings
Fig. 1 is the front viewing angle constructions schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of the present invention；
Fig. 3 is present invention rear side viewing angle constructions schematic diagram；
Fig. 4 is the fractionation structural representation of the present invention；
Fig. 5 is the elastic duct portion fractionation structural representation of the present invention；
Fig. 6 is that the oral cavity of the present invention seals care device structural schematic diagram；
Fig. 7 is the using state structure diagram that oral cavity seals care device；
In figure, 1, mask shell；2, air inlet pipe；3, elastic bands；4, mask circle；5, elastic tracheae；6, heat conduction iron plate；7、
Mounting groove；8, escape pipe；9, relief valve；10, air intake branch；11, air bleeding valve；12, three-way control valve；13, seal pipe；14, it inserts
Connect hole；15, sealing cover；16, preformed hole；17, seal rubber plug；18, mounting hole；19, elastic skidding；20, silica gel sealing ring；21、
Gas vent.
Specific implementation mode
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in figs. 1-7, a kind of multi-functional noninvasive ventilator mask, including mask shell 1, air inlet pipe 2, mask shell 1
On 1 posterior edges of elastic bands 3 and mask shell mask circle 4, it is characterised in that：4 rear end face of mask circle is provided with anti-
Pressure sore sealing device；1 front side of mask shell is provided with oral cavity sealing care device；The pressure sore prevention sealing device includes two
The elastic tracheae 5 of annular；5 inner surface of elastic tracheae is uniformly fixedly connected with heat conduction iron plate 6；The rear end face of mask circle 4 is along annular
There are two mounting grooves 7 for setting；An elastic tracheae 5 is installed in cooperation in each mounting groove 7；The right side of each elasticity tracheae 5 is equal
It is communicated with escape pipe 8；The outlet side of escape pipe 8 extends to 1 inside of mask shell, and the outlet side of escape pipe 8 is equipped with pressure release
Valve 9；Each 5 left side of elasticity tracheae is communicated with air intake branch 10；Air intake branch 10 extends to outside mask circle 4, and each into
Air bleeding valve 11 is mounted on gas branch pipe 10；The end of the air inlet pipe 2 is communicated with three-way control valve 12；Three-way control valve 12
Two ports be connected to respectively with the end of two air intake branches 10；The oral cavity sealing care device includes seal pipe 13；
The rear portion of seal pipe 13 is cylinder, and front is ellipse；1 front of mask shell is provided with spliced eye 14；Spliced eye 14
It is corresponding with patient's mouth position；The rear portion of seal pipe 13 is tightly connected with 14 grafting of spliced eye；It inserts the front port of seal pipe 13
It connects and is combined with sealing cover 15；1 lower part of mask shell is provided at least two preformed holes 16；Sealing is equipped in preformed hole 16
Rubber plug 17；Mounting hole 18 is provided on sealing cover 15；Grafting is sealed with medical pipeline in mounting hole 18；A left side for elastic bands 3
Right both sides are slidably socketed flexible skidding 19；The front periphery socket of seal pipe 13 is provided with silica gel sealing ring 20；Mask shell
1 top of body is provided with gas vent 21.
In the use of the present invention, air inlet pipe 2 and lung ventilator gas supply output end are connected to, mask shell 1 cover on patients mouth with
And around nose overhead, fixed using elastic bands 3, lung ventilator carries out forced gas supply, and two elastic tracheaes 5 are in one plane
Inside and outside distribution is adjusted by three-way control valve 12 and is connected, for example passes through the elastic tracheae in the conducting of three-way control valve 12 outside first
5, then 5 pressurized expansion of elastic tracheae in outside, relief valve 9 be under pressure opening, lung ventilator output gas enters in mask shell 1
Side supplies patient, at this time outside elastic tracheae 5 expand, mainly oppress corresponding outside from skin, gas supply
It after a period of time, is adjusted and is connected by three-way control valve 12, so that air inlet pipe 2 and the elastic tracheae 5 of inside is connected, the elasticity in outside
Tracheae 5 close, while open outside elastic tracheae 5 on air bleeding valve 11, under 5 autogenous shrinkage elasticity of elastic tracheae, by gas
Body is discharged, and to ensure that the elastic tracheae 5 in outside is shunk, is detached from and is pressed into contact with skin, and at this time on the inside of elastic tracheae 5
It is expanded through air guide, plays the role of sealing gas supply and do identical switching motion again after a period of use, use the bullet in outside instead
Property tracheae 5 carry out for hermetic seal, adjust repeatedly, change main compressed position, avoid oppressing same place position for a long time
And pressure sore is caused, continuous exchange can effectively solve the problem that pressure sore problem.
When being connected to elastic tracheae 5, annular 5 internal gas flow of elastic tracheae can play elastic tracheae 5 lung ventilator
To cooling effect, and play the role of heating and heat preservation to gas supply simultaneously, by the cooling to elastic tracheae 5, elastic gas can be reduced
The temperature of pipe 5 and skin contact location, and comfortable temperature can reduce the sense of discomfort of compressing, be asked simultaneously because solving pressure sore
Topic.The side with skin contact in elastic tracheae 5 is arranged in heat conduction iron plate 6.
As shown in Figure 6,7, it when patient is breathed using noninvasive ventilator mask, due to using forced gas supply, then needs
It keeps 1 inside of mask shell to keep effective sealing space with patient, when carrying out oral care to patient, makes seal pipe 13
Indent is installed, and by the inside of oval part inserting surface over body case 1 of seal pipe 13, cylindrical part is still formed with spliced eye 14 pair
Sealing is connect, at this point, patient's lip wraps the periphery of the oval part of seal pipe 13, the seal in space where keeping nose,
Still can forced gas supply, and at this time patients mouth open and be in communication with the outside, can more easily carry out various oral cares.
Sealing cover 15 and the elliptic end sealing of seal pipe 13 coordinate, and internal grafting can be used, outside socket can also be used
Structure, can realize sealing, and suitable for more scenes.The sealing cover 15 for being provided with different mounting holes 18 can be produced, it is different
Mounting hole 18 can preferably be adapted to different medical pipelines, medical pipeline for supplying, nursing or treating to patient,
It when needing replacing, uses different sealing covers 15 instead and is adapted to medical pipeline, obturation effect is more preferable, and it is convenient to replace.Described
Multiple mounting holes 18 can be set on sealing cover 15.The medical pipeline is medical conventional equipment.
Claims (6)
1. the elasticity on a kind of multi-functional noninvasive ventilator mask, including mask shell (1), air inlet pipe (2), mask shell (1)
The mask circle (4) of bandage (3) and mask shell (1) posterior edges, it is characterised in that：Mask circle (4) rear end face is provided with anti-
Pressure sore sealing device；Sealing care device in oral cavity is provided on front side of mask shell (1)；
The pressure sore prevention sealing device includes two annular elastic tracheaes (5)；Elastic tracheae (5) inner surface is uniformly fixed to be connected
It is connected to heat conduction iron plate (6)；There are two mounting grooves (7) along annular setting for the rear end face of mask circle (4)；In each mounting groove (7)
The elastic tracheae (5) of cooperation installation one；The right side of each elasticity tracheae (5) is communicated with escape pipe (8)；Escape pipe (8) go out
Gas end extends on the inside of mask shell (1), and the outlet side of escape pipe (8) is equipped with relief valve (9)；Each elasticity tracheae (5)
Left side is communicated with air intake branch (10)；Air intake branch (10) extends to mask circle (4) outside, and on each air intake branch (10)
It is mounted on air bleeding valve (11)；The end of the air inlet pipe (2) is communicated with three-way control valve (12)；Three-way control valve (12)
Two ports are connected to the end of two air intake branches (10) respectively；
The oral cavity sealing care device includes seal pipe (13)；The rear portion of seal pipe (13) is cylinder, and front is ellipse
Shape；Described mask shell (1) front is provided with spliced eye (14)；Spliced eye (14) is corresponding with patient's mouth position；Seal pipe
(13) rear portion is tightly connected with spliced eye (14) grafting；The front port of seal pipe (13) is mating sealing cover (15).
2. a kind of multi-functional noninvasive ventilator mask according to claim 1, it is characterised in that：Mask shell (1) lower part
It is provided at least two preformed holes (16)；It is equipped with seal rubber plug (17) in preformed hole (16).
3. a kind of multi-functional noninvasive ventilator mask according to claim 1, it is characterised in that：Sealing cover is provided on (15)
Mounting hole (18)；Mounting hole (18) interior grafting is sealed with medical pipeline.
4. a kind of multi-functional noninvasive ventilator mask according to claim 1, it is characterised in that：A left side for elastic bands (3)
Right both sides are slidably socketed flexible skidding (19).
5. a kind of multi-functional noninvasive ventilator mask according to claim 1, it is characterised in that：The front of seal pipe (13)
Periphery socket is provided with silica gel sealing ring (20).
6. a kind of multi-functional noninvasive ventilator mask according to claim 1, it is characterised in that：Mask shell (1) top
It is provided with gas vent (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810583347.1A CN108653892A (en) | 2018-06-07 | 2018-06-07 | A kind of multi-functional noninvasive ventilator mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810583347.1A CN108653892A (en) | 2018-06-07 | 2018-06-07 | A kind of multi-functional noninvasive ventilator mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108653892A true CN108653892A (en) | 2018-10-16 |
Family
ID=63775355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810583347.1A Pending CN108653892A (en) | 2018-06-07 | 2018-06-07 | A kind of multi-functional noninvasive ventilator mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108653892A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111329151A (en) * | 2020-03-26 | 2020-06-26 | 温州医科大学附属第一医院 | Multifunctional mask |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5121745A (en) * | 1990-07-23 | 1992-06-16 | Israel Michael B | Self-inflatable rescue mask |
| CN201888979U (en) * | 2010-12-06 | 2011-07-06 | 张洪芬 | Anti-crushing mask for breathing machine |
| CN104203324A (en) * | 2012-03-27 | 2014-12-10 | 皇家飞利浦有限公司 | User interface device providing for improved cooling of the skin |
| CN205127058U (en) * | 2015-10-09 | 2016-04-06 | 北京大学深圳医院 | Prevent pressing sore respirator, have breathing machine of wound |
| CN105771052A (en) * | 2016-04-01 | 2016-07-20 | 侯颖萍 | Multifunctional noninvasive ventilator mask |
| CN206304201U (en) * | 2016-08-01 | 2017-07-07 | 郭冲 | A kind of Cardiological breathing mask |
-
2018
- 2018-06-07 CN CN201810583347.1A patent/CN108653892A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5121745A (en) * | 1990-07-23 | 1992-06-16 | Israel Michael B | Self-inflatable rescue mask |
| CN201888979U (en) * | 2010-12-06 | 2011-07-06 | 张洪芬 | Anti-crushing mask for breathing machine |
| CN104203324A (en) * | 2012-03-27 | 2014-12-10 | 皇家飞利浦有限公司 | User interface device providing for improved cooling of the skin |
| CN205127058U (en) * | 2015-10-09 | 2016-04-06 | 北京大学深圳医院 | Prevent pressing sore respirator, have breathing machine of wound |
| CN105771052A (en) * | 2016-04-01 | 2016-07-20 | 侯颖萍 | Multifunctional noninvasive ventilator mask |
| CN206304201U (en) * | 2016-08-01 | 2017-07-07 | 郭冲 | A kind of Cardiological breathing mask |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111329151A (en) * | 2020-03-26 | 2020-06-26 | 温州医科大学附属第一医院 | Multifunctional mask |
| CN111329151B (en) * | 2020-03-26 | 2022-03-22 | 温州医科大学附属第一医院 | a multifunctional 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181016 |