CN107174388A - Intelligent first-aid mouth opener - Google Patents
Intelligent first-aid mouth opener Download PDFInfo
- Publication number
- CN107174388A CN107174388A CN201710494118.8A CN201710494118A CN107174388A CN 107174388 A CN107174388 A CN 107174388A CN 201710494118 A CN201710494118 A CN 201710494118A CN 107174388 A CN107174388 A CN 107174388A
- Authority
- CN
- China
- Prior art keywords
- tube
- opening capsule
- mozzle
- operation tube
- intelligent
- 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.)
- Granted
Links
- 239000002775 capsule Substances 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000003860 storage Methods 0.000 claims abstract description 13
- 239000012528 membrane Substances 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims abstract description 9
- 238000005461 lubrication Methods 0.000 claims abstract description 6
- 239000003814 drug Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 210000000214 mouth Anatomy 0.000 abstract description 33
- 230000006378 damage Effects 0.000 abstract description 5
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 5
- 208000027418 Wounds and injury Diseases 0.000 abstract description 4
- 208000014674 injury Diseases 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000006260 foam Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000007373 indentation Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000001037 epileptic effect Effects 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 229940100691 oral capsule Drugs 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000001717 pathogenic effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 210000002345 respiratory system Anatomy 0.000 description 2
- 210000003296 saliva Anatomy 0.000 description 2
- 206010010904 Convulsion Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 206010015037 epilepsy Diseases 0.000 description 1
- 208000028329 epileptic seizure Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
-
- A61M1/0023—
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Nursing (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The present invention relates to a kind of intelligent first-aid mouth opener, this intelligent first-aid mouth opener includes the opening capsule of handle and elasticity；Offer mozzle in handle inner, in the suction wheel that is provided with of water conservancy diversion inner coaxial tube, the suction wheel is engaged with the lubrication groove of a unilateral bearing, the periphery of the mozzle it is parallel operation tube is distributed with, it is coaxial in each operation tube that Pneumatic wheel is installed；Slided in the front end of operation tube and be provided with piston, lancet is fixed with the piston；The tip of lancet is towards liquid storage chamber and separation membrane, and the tail end of lancet exposes operation tube and is fixed in push pedal；Passage is offered in the rear end of operation tube, the passage is connected with the opening capsule；Suction tube is additionally provided with through the opening capsule, is tightly connected between the tube wall and opening capsule of suction tube；The opener structure is novel, unique, and patient oral cavity can be kept to open, while protecting the tooth of patient, reduces oral cavity injury, while what is ensured respiration is unimpeded.
Description
Technical field
It is a kind of opener particularly the present invention relates to a kind of medical instruments.
Background technology
Opener is one of indispensable instrument in emergency medical；Such as in epileptic seizure, the oral cavity of patient not by
The occlusion of control, spits out white foams simultaneously；Now patient is likely to tongue to be fallen, while blocking breathing；Doctor is in emergency relief
When, it is necessary to keep the face of patient to open, even if while foam that will be in cleaning patient oral cavity, prevent liquid from entering tracheae, it is stifled
Plug breathing；But traditional opener operation inconvenience, it may be skidded during use so that the oral cavity of patient is closed again；
In addition, the contact area of tooth and opener is smaller, and it is larger to the pressure of tooth, the loosening of tooth is easily caused, to patient's
There is larger harm in oral cavity.
The content of the invention
In view of the above-mentioned problems, the present invention provides a kind of intelligent first-aid mouth opener, the opener structure is novel, unique, can
Keep patient oral cavity to open, while protecting the tooth of patient, reduce oral cavity injury, while what is ensured respiration is unimpeded.
To solve the above problems, the technical solution adopted in the present invention is：This intelligent first-aid mouth opener include handle and
The opening capsule of elasticity；Airtight opening capsule is fixedly mounted on the side of handle；
Mozzle is offered in handle inner, in the suction wheel that is provided with of water conservancy diversion inner coaxial tube, the suction wheel is unidirectional with one
The lubrication groove engagement of bearing, the foreign steamer of unilateral bearing stretches out the tube wall of mozzle；
The periphery of the mozzle it is parallel operation tube is distributed with, it is coaxial in each operation tube that Pneumatic wheel is installed,
The outer ring surface of each Pneumatic wheel stretches out operation tube and engaged with the foreign steamer of unilateral bearing；It is additionally provided with and deposits in the operation tube
Sap cavity, liquid storage intracavitary has separation membrane to isolate decoction；Liquid storage intracavitary is placed with the medicine of question response；
Slided in the front end of operation tube and be provided with piston, lancet is fixed with the piston；The tip direction of lancet is deposited
Sap cavity and separation membrane, the tail end of lancet expose operation tube and are fixed in push pedal；Passage is offered in the rear end of operation tube,
The passage is connected with the opening capsule；Operation tube, piston, opening capsule formation airtight space；
Suction tube is additionally provided with through the opening capsule, is tightly connected between the tube wall and opening capsule of suction tube；The suction tube
One end connected with mozzle, the other end and air communication.
The beneficial effects of the invention are as follows：Under nature, opening capsule is close to suction tube in the flat-shaped state that contracts, opening capsule；Suffering from
When person is in an emergency, such as in epileptic attack, in the mouth that opening capsule is filled in patient, while push pedal is pressed, by liquid storage chamber
Interior separation membrane is punctured；The medicine of question response contacts with each other and produces gas, and the gas flows through from passage and enters opening capsule,
Opening capsule expands and then expands the oral cavity of patient.
Because patient involuntary can be engaged opening capsule repeatedly in pathogenic process, therefore the intracapsular gas of opening can be repeatedly
Process passage, and then get into, discharging operation cylinder, during gas is passed in and out repeatedly, gas drives Pneumatic wheel positive, anti-
To rotation, Pneumatic wheel drives the foreign steamer reciprocating rotation of unilateral bearing；In the presence of unilateral bearing, lubrication groove only can be along fixation side
Rotated to the only super fixed-direction of rotation, i.e. suction wheel, so that lasting orientation suction；Then, intraoral saliva, foam are from taking out
Suction pipe, mozzle are sucked out, so as to ensure that the oral cavity of patient is clean, effectively prevent foam from entering tracheae, influence patient
Breathing.
Because opening capsule has certain elasticity, opening capsule can fit the oval shape of patient, rather than only contact tooth
Tooth, thus opening capsule the force area in oral cavity is effectively increased, the pressure injuries of oral cavity and tooth are obviously reduced；To patient's
Oral cavity plays a very good protection, while the opening capsule of expansion can push down tongue, effectively prevents patient from biting oneself；Open
Oral capsule is more mellow and full upon inflation, and the size of all directions is roughly the same, therefore, even if patient struggles, occlusion, causes opener
Rotate, displacement, opener can also play a protective role all the time；The inventive structure is novel, unique, simple and quick,
The quality time can be won for medical aid；The cleaning in patient oral cavity is ensure that simultaneously, is prevented respiratory tract to be blocked, is carried significantly
The high life security of patient.
Preferably, being provided with indentation groove on the opening capsule；Bitten in order to patient, taken care of one's teeth, together
When larger frictional force can be provided, it is ensured that opener is stable to be placed in the oral cavity of patient.
Preferably, being provided with reseting pressuring spring between operation tube and piston；Capsule be open during continuous occlusion, gas
In the entrance operation tube of body repeatedly, under the influence of air pressure, piston can promote piston quick by pushing repeatedly, reseting pressuring spring
Reset, and then improve Pneumatic wheel velocity of rotation and frequency, so as to improve the suction effect of suction wheel.
Preferably, pressing push pedal actively accelerates the rotating speed of Pneumatic wheel repeatedly；And then the suction effect of suction wheel is improved, plus
The discharge of foam in fast oral cavity.
Preferably, it is raised that de-bubble is provided with the inner tubal wall of the mozzle；The intraoral foam of patient is passing through
After mozzle, de-bubble projection punctures bubble, effectively prevents foam from blocking whole mozzle, hinders the circulation of air, Jin Erwei
Patient provides sufficient oxygen.
Brief description of the drawings
Fig. 1 is the cross section structure schematic diagram under this intelligent first-aid mouth opener one embodiment normal condition.
Fig. 2 is the cross section structure schematic diagram of embodiment illustrated in fig. 1 when in use.
Embodiment
Embodiment：
In the embodiment shown in Fig. 1, Fig. 2, this intelligent first-aid mouth opener includes the opening capsule 2 of handle 1 and elasticity；Airtight
Opening capsule 2 is fixedly mounted on the side of handle 1；Indentation groove 21 is provided with the opening capsule 2；
Mozzle 11 is offered inside handle 1, it is coaxial in mozzle 11 that suction wheel 12 is installed, the suction wheel 12 with
The lubrication groove engagement of one unilateral bearing 3, the foreign steamer of unilateral bearing 3 stretches out the tube wall of mozzle 11；In the mozzle 11
De-bubble projection 111 is provided with tube wall；
The periphery of the mozzle 11 it is parallel operation tube 4 is distributed with, in each operation tube 4 it is coaxial be provided with it is pneumatic
Wheel 41, the outer ring surface of each Pneumatic wheel 41 stretches out operation tube 4 and engaged with the foreign steamer of unilateral bearing 3；In the operation tube 4
Being additionally provided with liquid storage chamber 42, liquid storage chamber 42 has separation membrane to isolate decoction；The medicine of question response is placed with liquid storage chamber 42；
Slided in the front end of operation tube 4 and be provided with piston 5, reseting pressuring spring is installed between the front end of operation tube 4 and piston 5
51；Lancet 52 is fixed with the piston 5；Lancet 52 tip towards liquid storage chamber 42 and separation membrane, lancet 52
Tail end exposes operation tube 4 and is fixed in push pedal 6；Passage is offered in the rear end of operation tube 4, the passage is opened with described
Oral capsule 2 is connected；Operation tube 4, piston 5, the opening formation airtight space of capsule 2；
Suction tube 7 is additionally provided with through the opening capsule 2, is tightly connected between the tube wall and opening capsule 2 of suction tube 7；It is described to take out
One end of suction pipe 7 is connected with mozzle 11, the other end and air communication.
Under nature, opening capsule 2 is close to suction tube 7 in the flat-shaped state that contracts, opening capsule 2；When patient is in an emergency,
Such as in epileptic attack, in the mouth that opening capsule 2 is filled in patient, while pressing push pedal 6, the separation membrane in liquid storage chamber 42 is pierced
It is broken；The medicine of question response contacts with each other and produces gas, and the gas flows through from passage and enters opening capsule 2, and opening capsule 2 expands
And then expand the oral cavity of patient.
Because the gas meeting that patient involuntary can be engaged in opening capsule 2, therefore opening capsule 2 repeatedly in pathogenic process is anti-
Multiple process passage, so get into, discharging operation cylinder 4, during gas is passed in and out repeatedly, gas drive Pneumatic wheel 41 just
To, rotate backward, Pneumatic wheel 41 drive unilateral bearing 3 foreign steamer reciprocating rotation；In the presence of unilateral bearing 3, lubrication groove is only capable of
Enough to be rotated along fixed-direction, i.e. the only super fixed-direction of suction wheel 12 is rotated, so that lasting orientation suction；In the present embodiment,
In the entrance operation tube 4 of gas repeatedly, under the influence of air pressure, piston 5 is by pushing repeatedly, and reseting pressuring spring 51 can promote to live
Plug 5 quickly resets, and then improves the velocity of rotation and frequency of Pneumatic wheel 41, so as to improve the suction effect of suction wheel 12.
Then, intraoral saliva, foam are sucked out from suction tube 7, mozzle 11, such as dotted arrow institute in Fig. 2
Show；So as to ensure that the oral cavity of patient is clean, effectively prevent foam from entering tracheae, influence patient respiratory；In the present embodiment, suffer from
The intraoral foam of person is after mozzle 11, and de-bubble projection 111 punctures bubble, effectively prevents foam from blocking whole water conservancy diversion
Pipe 11, hinders the circulation of air, and then provides for patient sufficient oxygen.
Because opening capsule 2 has certain elasticity, opening capsule 2 can fit the oval shape of patient, rather than only contact
Tooth, thus opening capsule 2 the force area in oral cavity is effectively increased, the pressure injuries of oral cavity and tooth are obviously reduced；At this
In embodiment, be arranged on opening capsule 2 on indentation groove 21 can further protection tooth, while have preferably it is anti-skidding make
With, effectively prevent opening capsule 2 depart from from oral cavity；The oral cavity of patient is played a very good protection, while the opening of expansion
Capsule 2 can push down tongue, effectively prevent patient from biting oneself；The capsule 2 that is open is more mellow and full upon inflation, the size of all directions
It is roughly the same, therefore, even if patient struggles, occlusion, cause opener to rotate, displacement, opener can also be played all the time
Protective effect；The inventive structure is novel, unique, simple and quick, can win the quality time for medical aid；Simultaneously can
Ensure the cleaning in patient oral cavity, prevent respiratory tract to be blocked, substantially increase the life security of patient.
In addition, medical personnel can also actively press push pedal 6 repeatedly, accelerate the rotating speed of Pneumatic wheel 41；And then improve suction
The suction effect of wheel 12, accelerates the discharge of foam in oral cavity.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (5)
1. a kind of intelligent first-aid mouth opener, this intelligent first-aid mouth opener includes handle（1）With the opening capsule of elasticity（2）；It is airtight
Opening capsule（2）It is fixedly mounted on handle（1）Side；It is characterized in that：In handle（1）Inside offers mozzle（11）,
In mozzle（11）It is interior coaxial suction wheel to be installed（12）, the suction wheel（12）With a unilateral bearing（3）Lubrication groove nibble
Close, unilateral bearing（3）Foreign steamer stretch out mozzle（11）Tube wall；In the mozzle（11）Periphery it is parallel behaviour is distributed with
Make cylinder（4）, in each operation tube（4）In coaxial Pneumatic wheel is installed（41）, each Pneumatic wheel（41）Outer ring surface stretch
Go out operation tube（4）And and unilateral bearing（3）Foreign steamer engagement；In the operation tube（4）Inside it is additionally provided with liquid storage chamber（42）, liquid storage
Chamber（42）Inside there is separation membrane to isolate decoction；Liquid storage chamber（42）Inside it is placed with the medicine of question response；In operation tube（4）Front end slide
It is dynamic to be provided with piston（5）, in the piston（5）On be fixed with lancet（52）；Lancet（52）Tip towards liquid storage chamber
（42）And separation membrane, lancet（52）Tail end expose operation tube（4）And it is fixed on push pedal（6）On；In operation tube（4）Rear end
Offer passage, the passage and the opening capsule（2）Connection；Operation tube（4）, piston（5）, opening capsule（2）Form gas
Close space；Through the opening capsule（2）It is additionally provided with suction tube（7）, suction tube（7）Tube wall and opening capsule（2）Between it is airtight
Connection；The suction tube（7）One end and mozzle（11）Connection, the other end and air communication.
2. intelligent first-aid mouth opener according to claim 1, it is characterised in that：In the opening capsule（2）It is upper to set with teeth
Trace groove（21）.
3. intelligent first-aid mouth opener according to claim 2, it is characterised in that：In operation tube（4）And piston（5）Between pacify
Equipped with reseting pressuring spring（51）.
4. the intelligent first-aid mouth opener according to claim 1 or 2 or 3, it is characterised in that：In the mozzle（11）It is interior
De-bubble is provided with tube wall raised（111）.
5. the intelligent first-aid mouth opener according to claim 1 or 2 or 3, it is characterised in that：Push pedal is pressed repeatedly（6）Actively
Accelerate Pneumatic wheel（41）Rotating speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494118.8A CN107174388B (en) | 2017-06-26 | 2017-06-26 | Intelligent first-aid mouth opener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494118.8A CN107174388B (en) | 2017-06-26 | 2017-06-26 | Intelligent first-aid mouth opener |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107174388A true CN107174388A (en) | 2017-09-19 |
| CN107174388B CN107174388B (en) | 2019-09-13 |
Family
ID=59845612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710494118.8A Expired - Fee Related CN107174388B (en) | 2017-06-26 | 2017-06-26 | Intelligent first-aid mouth opener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107174388B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842651A (en) * | 2020-12-31 | 2021-05-28 | 余海涛 | Head-wearing type bite plug for epilepsy |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011153434A2 (en) * | 2010-06-03 | 2011-12-08 | The General Hospital Corporation | Apparatus and method for devices for imaging structures in or at one or more luminal organs |
| CN202942239U (en) * | 2012-12-13 | 2013-05-22 | 赵阳 | Collapsible saliva suction tube |
| CN103153173A (en) * | 2010-10-04 | 2013-06-12 | 株式会社Jms | Device for measuring oral cavity pressure, pressure measuring probe |
| CN204839420U (en) * | 2015-08-10 | 2015-12-09 | 郑州人民医院 | Mouth -gag |
| WO2017025540A1 (en) * | 2015-08-11 | 2017-02-16 | Ivoclar Vivadent Ag | Image-recording device, balloon for operation with an image-recording device, method for operating an image-recording device, and control program for an image-recording device |
| CN107088047A (en) * | 2017-06-19 | 2017-08-25 | 钱月珍 | Safety medical treatment opener |
-
2017
- 2017-06-26 CN CN201710494118.8A patent/CN107174388B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011153434A2 (en) * | 2010-06-03 | 2011-12-08 | The General Hospital Corporation | Apparatus and method for devices for imaging structures in or at one or more luminal organs |
| CN103153173A (en) * | 2010-10-04 | 2013-06-12 | 株式会社Jms | Device for measuring oral cavity pressure, pressure measuring probe |
| CN202942239U (en) * | 2012-12-13 | 2013-05-22 | 赵阳 | Collapsible saliva suction tube |
| CN204839420U (en) * | 2015-08-10 | 2015-12-09 | 郑州人民医院 | Mouth -gag |
| WO2017025540A1 (en) * | 2015-08-11 | 2017-02-16 | Ivoclar Vivadent Ag | Image-recording device, balloon for operation with an image-recording device, method for operating an image-recording device, and control program for an image-recording device |
| CN107088047A (en) * | 2017-06-19 | 2017-08-25 | 钱月珍 | Safety medical treatment opener |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842651A (en) * | 2020-12-31 | 2021-05-28 | 余海涛 | Head-wearing type bite plug for epilepsy |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107174388B (en) | 2019-09-13 |
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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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Liyuan Inventor after: Zhang Benyan Inventor after: Zhang Lifang Inventor after: Zhu Xiaoju Inventor before: Zhu Xiaoju |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190819 Address after: 450052 North Third Ring Road and Longhu Central Intersection, 43 University Road, Zhengzhou City, Henan Province Applicant after: The First Affiliated Hospital of Zhengzhou University Address before: Room 2107, Wuzhong Mall Building, 388 Dongwu South Road, Suzhou City, Jiangsu Province, 215000 Applicant before: Zhu Xiaoju |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Liyuan Inventor after: Zhang Lizhan Inventor after: Zhang Lingrui Inventor after: Zhang Benyan Inventor after: Zhang Lifang Inventor after: Zhu Xiaoju Inventor before: Zhang Liyuan Inventor before: Zhang Benyan Inventor before: Zhang Lifang Inventor before: Zhu Xiaoju |
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| CB03 | Change of inventor or designer information | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190913 Termination date: 20210626 |
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| CF01 | Termination of patent right due to non-payment of annual fee |