CN108670551A - A kind of safe and efficient external auditory canal cleaning device - Google Patents
A kind of safe and efficient external auditory canal cleaning device Download PDFInfo
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- CN108670551A CN108670551A CN201810420729.2A CN201810420729A CN108670551A CN 108670551 A CN108670551 A CN 108670551A CN 201810420729 A CN201810420729 A CN 201810420729A CN 108670551 A CN108670551 A CN 108670551A
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- scraper plate
- external auditory
- auditory canal
- cleaning device
- safe
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- 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
- A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
- A61F11/006—Ear cleaners, e.g. curettes
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- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Acoustics & Sound (AREA)
- Biophysics (AREA)
- Otolaryngology (AREA)
- Psychology (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Body Washing Hand Wipes And Brushes (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
A kind of safe and efficient external auditory canal cleaning supplies, include handle and cleaning head.Cleaning head includes pedestal and the scraper plate that is articulated on pedestal, has storage chamber on the inside of scraper plate.Handle includes base shaft and actuator, and base shaft one end is fixed on pedestal, and one end that actuator corresponds to pedestal is in circumferentially disposed several connecting rods, and connecting rod is connected with scraper plate.Handle drives scraper plate expansion to collapse by actuator.There is the device that can lock drive rod relative to base shaft position on handle.For the of different sizes of external auditory canal, scraper plate can be expanded to corresponding suitable size and used, be not only convenient for cleaning, but also can prevent cleaning device from excessively going deep into duct, ensure the safety of user.
Description
Technical field
The present invention relates to a kind of external auditory canal cleaning devices, refer in particular to a kind of safe and efficient external auditory canal cleaning device.
Background technology
External auditory canal refers to a crooked pipeline from porus acusticus externus to eardrum in human ear, and only a thin layer of skin covers,
Easily attachment earwax is also vulnerable to damage.Modern often removes external auditory canal to keep external auditory canal to clean using various tools
The earwax of upper attachment.
There are two types of common cleaning devices, and one of which is traditional earpick, including there are one handle and for cleaning
Scoop sample button.Such cleaning supplies can not remove the earwax on external auditory canal comprehensively, and cleaning dynamics is inadequate；And due to its build
Elongated, misoperation is easy excessively to go deep into external auditory canal and cause to damage；Another kind is cotton swab, including signing handle and for clean
Cotton head.The earpick that the cleaning dynamics of cotton swab is more traditional increased, but earwax is attached to cotton swab head surface, easily scratches again
On external auditory canal, the earwax except under can not be taken out of external auditory canal in addition, be easy to head into earwax in external auditory canal instead.Except this it
Outside, the same build of cotton swab is elongated, and security performance is also insufficient.
Chinese utility model CN201620903316.6 discloses a kind of ear-picking device, and the upper surface of ear picker is raised up into
Hat shape, the lower surface of ear picker is recessed upwards constitutes earpick slot, and the earpick slot of this ear-picking device can be used for storing the earwax under removing.
Because its ear picker part is in design, overall volume is larger, therefore, limits its depth being deep into duct, thus will not
It is preferable that damage, safety caused by due to going deep into external auditory canal occurs.But just because of the ear picker part of earpick is larger, it is difficult to
Go deep into external auditory canal, earwax of the external auditory canal close to auricle part can only be removed, therefore clean range is declined, cleaning capacity because
This weakens.
Invention content
The technical problem to be solved in the present invention is to provide one kind can either cleaning external auditory canal comprehensively, and is capable of providing good
The safe and efficient external auditory canal cleaning device of security performance.
In order to solve the above technical problems, the safe and efficient external auditory canal cleaning device of the present invention, including handle and cleaning head.
Cleaning head includes pedestal and scraper plate, pedestal close to handle the storage chamber being provided on one side, to store the earwax scraped.Storage
Depositing chamber outer edge has several scraper plates to be hinged on pedestal, and the first cleaning section for cleaning external auditory canal is provided on scraper plate, with
Scraper plate inner wall between storage chamber constitutes the guide wall of earwax.Handle includes base shaft and axially slides the drive of cooperation with base shaft
Moving part.Base shaft is fixedly linked with pedestal, and in circumferential hinged several connecting rods on actuator, the outer end of connecting rod is hinged on scraper plate.Hand
There are one can lock actuator locking mechanism of the actuator relative to the base shaft position on handle.
Further to improve said program, also set up that there are one scrape head in cone shape on the outside of cleaning head.
Further to improve said program, it is provided in base shaft and carries out mobile elongated slot for connecting rod.When the connecting rod and driving
When the hinged one end of part is moved to the one end of elongated slot close to cleaning head, the expansion degree of scraper plate is maximum；When connecting rod and actuator are cut with scissors
When the one end connect is moved to the one end of elongated slot far from cleaning head, the expansion degree of scraper plate is minimum.
Further to improve said program, it is provided with locking mechanism on actuator, which includes partition board, is oriented to
Elastic slide block on plate and the guide plate.The guide plate is parallel with handle position, and surface is provided with unidirectional tooth group, sliding block with
Tooth group unidirectionally coordinates.The guiding groove mutually agreed with guide plate is provided in sliding block.Partition board side is fixed with base shaft, and the other side is fixed with
Guide plate.
Further to improve said program, in unidirectional tooth group, fillet is both provided between each two adjacent unidirectional tooth.
Further to improve said program, mutual dislocation is arranged between scraper plate, and the dislocation space between scraper plate constitutes ear
The guide channel of dirt.The second cleaning section is additionally provided on scraper plate.Scraper plate side wall between second cleaning section and scraper plate constitutes
The guide wall of earwax.
Further to improve said program, the plate face of scraper plate is disposed as cambered surface.
Further to improve said program, there is interlocking bar to be connected between two scraper plates, scraper plate quantity is more than the quantity of connecting rod,
And every connecting rod hingedly coordinates with a scraper plate, extra scraper plate is linked by interlocking bar and the scraper plate with connecting rod.
Further to improve said program, scraper plate quantity is 2 times of connecting rod.Linkage is provided between any two scraper plate
Bar, and any one scraper plate in two scraper plates of arbitrary neighborhood and connecting rod are hinged.
Further to improve said program, scrapes head and be all made of silica gel material with scraper plate.
Using such structure, when scraper plate is unfolded, scraper plate resists external auditory canal, pulls collapse handle at this time, scraper plate can be direct
The earwax on external auditory canal is scraped, and is stored in storage chamber and takes duct out of.The above process only needs an action can be completed, cleaning speed
Degree is fast, and the earwax scraped will not be deposited in external auditory canal, and cleaning efficiency is high；
Using such structure, head is scraped when scraper plate collapses on cleaning head, external auditory canal can also be cleaned；
Using such structure, when rotating handle, scraper plate scrapes external auditory canal by turns, and earwax enters storage chamber from inter-plate gap is scraped
In, and be stored in storage chamber and take external auditory canal out of, clean mode is various, and cleaning efficiency is high；
It using such structure, is moved forward and backward on guide plate by sliding block, can directly drive scraper plate to be unfolded or collapse, behaviour
Make easy；
Using such structure, user according to the of different sizes of different crowd external auditory canal, can adjust the size of scraper plate expansion simultaneously
Scraper plate is fixed, convenient for users to operation；
Using such structure, when scraper plate is in unfolded state, handle can not continue deeper into external auditory canal, reduce the wound to ear
Evil possibility；
Using such structure, it is made of soft rubber material because scraping head and scraper plate, the friction injury to external auditory canal can be reduced
Evil.
The specific implementation mode of the present invention is described in further detail below in conjunction with the accompanying drawings.
Description of the drawings
Schematic diagram when Fig. 1 is the gathering of external auditory canal cleaning device of the present invention；
Schematic diagram when Fig. 2 is the expansion of external auditory canal cleaning device of the present invention；
Fig. 3 is the partial schematic diagram of external auditory canal cleaning device cleaning head of the present invention；
Fig. 4 is external auditory canal cleaning device side view of the present invention；
Fig. 5 is the partial schematic diagram of unidirectional tooth group on external auditory canal cleaning device locking mechanism of the present invention；
Fig. 6 is schematic diagram when external auditory canal cleaning device of the present invention uses in external auditory canal.
Specific implementation mode
In the following, the present invention is specifically described by illustrative embodiment.It should be appreciated, however, that not into
In the case that one step describes, original paper, structure and features in an embodiment can also be advantageously incorporated into other embodiment party
In formula.
As shown in figs. 1,2 and 6, the safe and efficient external auditory canal sanitizer cartridge of a kind of specific implementation according to the present invention
It sets, including handle 1 and cleaning head 2.Cleaning head 2 includes pedestal 3 and scraper plate 4.Pedestal 3 is provided on one side close to handle 1
Storage chamber 5, to store the earwax scraped.5 outer edge of storage chamber has several scraper plates 4 to be hinged on pedestal 3, is arranged on scraper plate 4
It is useful for the first cleaning section 9 of cleaning external auditory canal, the scraper plate inner wall between storage chamber 5 constitutes the guide wall of earwax.Hand
Handle 1 includes base shaft 6 and the actuator 7 with the axial sliding cooperation of base shaft 6.Base shaft 6 is fixedly linked with pedestal 3, is on actuator 7
Circumferential hinged several connecting rods 8, the outer end of connecting rod 8 is hinged on scraper plate 4.User can be sliding in base shaft 6 by actuator 7
It moves, controls connecting rod 8 moves, to realize the opening and closing of scraper plate 4.When scraper plate 4 closes up, cleaning device enters external auditory canal；
When scraper plate 4 opens, scraper plate resists external auditory canal, has ensured that cleaning device can not excessively go deep into external auditory canal, has improved the present apparatus
Safety.In addition to this, the scraper plate 4 of opening can be used for the cleaning to external auditory canal.
Preferably, as shown in figure 3, scraping first 16 in cone shape there are one 2 outside settings of cleaning head.This scrapes first 16 can
With when scraper plate 4 is in curling position, into external auditory canal in external auditory canal is cleaned.
Preferably, it is provided in above-mentioned base shaft 6 and carries out mobile elongated slot 18 for connecting rod 8, when the connecting rod 8 and actuator 9
When hinged one end is moved to elongated slot 18 close to one end of cleaning head 2, the expansion degree of scraper plate 4 is maximum；When the connecting rod 8 and driving
When the hinged one end of part 9 is moved to the one end of elongated slot 18 far from cleaning head 2, the expansion degree of scraper plate 4 is minimum.
When user promotes handle 1 to 2 side of cleaning head, actuator 7 is mobile in the same direction, and scraper plate 4 opens.When scraper plate 4
Stretching degree is adapted with external auditory canal, i.e. when the first cleaning 9 of scraper plate 4 just resists external auditory canal, to the side for leaving external auditory canal
To pulling cleaning device.At this point, scraper plate inner wall of the earwax on external auditory canal between the first cleaning section 9 and storage chamber 5 is constituted
Guide wall takes external auditory canal out of into storage chamber, and by the present apparatus.
Preferably, such as Fig. 4, shown in Fig. 5, there are one can lock actuator 7 relative to base shaft 6 on the actuator
The actuator locking mechanism set.This locking mechanism includes the elastic slide block 13 on partition board 11, guide plate 12 and guide plate 12.
The fixed base shaft 6 in 11 side of partition board, the fixed guide plate in the other side 12.Guide plate 12 is parallel with 1 position of handle, and surface is set
It is equipped with unidirectional tooth group 121.Sliding block 13 unidirectionally coordinates with tooth group, and the guiding groove 19 agreed with 12 phase of guide plate is provided in sliding block 13.
When cleaning device is goed deep into the suitable position of external auditory canal by user, push elasticity sliding to close to the direction of partition board 11
Block 13, actuator 7 are subjected to displacement relative to base shaft 6, and scraper plate 4 is opened at this time.When scraper plate 4 is expanded to appropriate level, stop pushing away
Movable slider 13.Because there are above-mentioned locking mechanism, sliding block 13 is rested on guide plate 12 and is not moved.This setting is more square
The use of user can trust and be used without firmly keeping position of the actuator relative to base shaft.
Preferably, in the unidirectional tooth group 121 on sliding block 13 fillet 122 is both provided between each two adjacent unidirectional tooth.
When user is at full tilt by sliding block 13 to far from the promotion of 11 direction of partition board, because of the presence of fillet 122, sliding block
It can successfully be moved to the direction far from partition board 11.To realize Bidirectional slide of the sliding block 13 on guide plate 12, without
It is therefore more advantageous to user-friendly as damage sliding block 13.
Preferably, mutual dislocation is arranged between scraper plate 4.Dislocation space between scraper plate 4 constitutes another guiding of earwax
Channel.The second cleaning section 10 is additionally provided on scraper plate 4.Second cleaning section 10 is located on the lateral edges of scraper plate 4.Second cleaning section 10
The channel between scraper plate side wall 21 between scraper plate 4 is also the guide channel for guiding earwax to enter storage chamber 5.
When scraper plate 4 is unfolded, in addition to pulling handle 1 so that cleaning device integrally moves in external auditory canal, to scrape earwax
Except this method, earwax can also be cleaned using the method for rotational handle 1.Scraper plate 4 is expanded to suitable size by user,
Rotating handle again so that the second cleaning section 10 on scraper plate scrapes external auditory canal by turns.Earwax on external auditory canal is along the second cleaning
It is formed between portion 10 and scraper plate side wall 21 and is entered in storage chamber to guide wall
Preferably, interlocking bar 15 is provided between any two scraper plate 4 to be connected, 4 quantity of scraper plate are 2 times of connecting rod 8, and meaning is adjacent
Two scraper plates 4 in any one scraper plate 4 and connecting rod 8 be hinged the extra scraper plates 4 of by interlocking bar 15 with carry connecting rod 8
Scraper plate 4 is linked.When actuator 7 is subjected to displacement relative to base shaft 6, is connected to connecting rod 8 on actuator and moves, drive with
The connected scraper plate 4 of connecting rod is unfolded, and interlocking bar 15 drives the scraper plate 4 being connected positioned at connecting rod 8 to be unfolded.
It is such to be arranged the advantage is that when limiting the quantity of connecting rod 8, it is still enough to ensure that and is still set on cleaning device
It is equipped with sufficient scraper plate 4.The present apparatus is acted on using the linkage of interlocking lever 15 so that the scraper plate not being connected with connecting rod 8 also can
Synchronous opening/closing, so that the quantity of scraper plate increases.
Advantageously, it is possible, that because the presence of interlocking bar so that excessive connecting rod need not be arranged, the loss for material
With it is overall beautiful all more beneficial.
Preferably, the plate face of scraper plate is disposed as cambered surface.This is provided with that earwax is facilitated by scraper plate inner wall to enter
In storage chamber, be conducive to improve cleaning dynamics.
Preferably, first 16 are scraped and is all made of silica gel material with scraper plate 4.It can ensure the biocompatibility of cleaning device so that
The present apparatus is minimized the injury of external auditory canal.
In the tail end of handle, it is also provided with a bracelet 17, holds and uses convenient for user.
The present invention cleaning external auditory canal operation principle and process be：
User can pass through mobile sliding slider 13 so that actuator 7 is subjected to displacement with respect to base shaft 6, to drive connecting rod 8 to move
It is dynamic, to realize the opening and closing of scraper plate 4.When scraper plate 4 closes up, cleaning device enters external auditory canal, at this point, user can be used
First 16 pairs of external auditory canals are scraped to clean；When scraper plate 4 opens, scraper plate resists external auditory canal, has ensured that cleaning device can not be excessively deep
Enter in external auditory canal, has ensured the safety of user.
The scraper plate 4 of opening is mainly used for the cleaning to external auditory canal.When user pushes away sliding block 13 to 2 one side direction of cleaning head
Into when, actuator 7 is mobile in the same direction, and scraper plate 4 opens.Scraper plate 4 is set to be flared to the size of suitable external auditory canal, sliding block 13 is fixed at this time
On directing plate, scraper plate does not occur entire.When first cleaning 9 of scraper plate 4 just resists external auditory canal, to the direction for leaving external auditory canal
Pull cleaning device.At this point, scraper plate inner wall composition of the earwax on external auditory canal between the first cleaning section 9 and storage chamber 5 is led
Xiang Bi takes external auditory canal out of into storage chamber, and by the present apparatus；
In addition to this, this cleaning device also has second of application method：
When user promotes sliding block 13 to 2 side of cleaning head, actuator 7 is mobile in the same direction, and scraper plate 4 opens.Scraper plate 4 is set to open
To the size of suitable external auditory canal, sliding block 13 is fixed on directing plate at this time, and scraper plate does not occur entire.At this point, rotational handle 1 is clear
Clean earwax.After scraper plate 4 is expanded to the size for resisting external auditory canal by user, then rotating handle 1 so that second on scraper plate 4 is clear
Clean portion 10 scrapes external auditory canal by turns.Guide channel of the earwax between the second cleaning section 10 and scraper plate side wall 21 on external auditory canal
Into in storage chamber 5.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this
It is all protected by Patent Law in the right of invention.
Claims (10)
1. a kind of safe and efficient external auditory canal cleaning device, including handle（1）And cleaning head（2）, it is characterised in that：The cleaning
Head（2）It include pedestal（3）And scraper plate（4）, the pedestal（3）Close to the handle（1）Be provided with the ear that scrapes of storage on one side
The storage chamber of dirt（5）, the storage chamber（5）Outer edge has several scraper plates（4）It is articulated with the pedestal（3）On, the scraper plate（4）On
At least provided with the first cleaning section for cleaning external auditory canal（9）, first cleaning section（9）With the storage chamber（5）Between
Scraper plate inner wall constitutes the guide wall of earwax, the handle（1）Including base shaft（6）Coordinate with axially being slid with the base shaft（6）'s
Actuator（7）, the base shaft（6）With the pedestal（3）It is fixedly linked, the actuator（7）It is upper to be hinged several connecting rods in circumferential
（8）, the connecting rod（8）Outer end be articulated with the scraper plate（4）, the handle（1）It is upper that there are one can lock the actuator（7）
Relative to the base shaft（6）The actuator locking mechanism of position.
2. a kind of safe and efficient external auditory canal cleaning device according to claim 1, it is characterised in that：The cleaning head
（2）There are one scrape head in cone shape in outside（16）.
3. a kind of safe and efficient external auditory canal cleaning device according to claim 1, it is characterised in that：The base shaft（6）
On be provided with for the connecting rod（8）Carry out mobile elongated slot（18）, when the connecting rod（8）With the actuator（9）Hinged one end
It is moved to the elongated slot（18）Close to cleaning head（2）One end when, the scraper plate（4）Expansion degree it is maximum；When the connecting rod（8）
With the actuator（9）Hinged one end is moved to the elongated slot（18）Far from cleaning head（2）One end when, the scraper plate（4）
Expansion degree it is minimum.
4. a kind of safe and efficient external auditory canal cleaning device according to claim 1, it is characterised in that：The actuator
Locking mechanism includes partition board（11）, guide plate（12）With the guide plate（12）On elastic slide block（13）, the guide plate（12）
With the handle（1）Position is parallel, and surface is provided with unidirectional tooth group（121）, the sliding block（13）Unidirectionally coordinate with tooth group,
The sliding block（13）In be provided with and the guide plate（12）The guiding groove mutually agreed with（19）, the partition board（11）Side is fixed with described
Base shaft（6）, the other side is fixed with the guide plate（12）.
5. a kind of safe and efficient external auditory canal cleaning device according to Claims 1-4, it is characterised in that：It is described unidirectional
Fillet (122) is both provided in tooth group (121) between each two adjacent unidirectional tooth.
6. a kind of safe and efficient external auditory canal cleaning device according to Claims 1-4, it is characterised in that：The scraper plate
（4）Between mutual dislocation be arranged, the scraper plate（4）Between dislocation space constitute earwax and enter storage chamber（5）Earwax be oriented to
Channel, the scraper plate（4）On be additionally provided with the second cleaning section（10）.
7. a kind of safe and efficient external auditory canal cleaning device according to Claims 1-4, it is characterised in that：The scraper plate
（4）Plate face be disposed as cambered surface.
8. a kind of safe and efficient external auditory canal cleaning device according to Claims 1-4, it is characterised in that：Described two
A scraper plate（4）Between have interlocking bar（15）It is connected, the scraper plate（4）Quantity is more than connecting rod（8）Quantity, and every connecting rod
（8）With a scraper plate（4）Hinged cooperation, extra scraper plate（4）Pass through interlocking bar（15）With with connecting rod（8）Scraper plate（4）Connection
Dynamic cooperation.
9. a kind of safe and efficient external auditory canal cleaning device according to claim 8, it is characterised in that：The scraper plate（4）
Quantity is connecting rod（8）2 times, any two scraper plate（4）Between be provided with interlocking bar（15）, and two of arbitrary neighborhood
Scraper plate（4）In any one scraper plate（4）With connecting rod（8）It is hinged.
10. a kind of safe and efficient external auditory canal cleaning device according to claim 1, it is characterised in that：It is described to scrape head
（16）With the scraper plate（4）It is all made of silica gel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810420729.2A CN108670551B (en) | 2018-05-04 | 2018-05-04 | Safe efficient external auditory canal cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810420729.2A CN108670551B (en) | 2018-05-04 | 2018-05-04 | Safe efficient external auditory canal cleaning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108670551A true CN108670551A (en) | 2018-10-19 |
| CN108670551B CN108670551B (en) | 2020-09-29 |
Family
ID=63802933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810420729.2A Active CN108670551B (en) | 2018-05-04 | 2018-05-04 | Safe efficient external auditory canal cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108670551B (en) |
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| CN110192949A (en) * | 2019-07-02 | 2019-09-03 | 中国人民解放军第四军医大学 | Ear-nose-throat department cleaning plant of earwaxing |
| CN110361510A (en) * | 2019-08-14 | 2019-10-22 | 安徽大洋自动化科技有限公司 | A kind of rolling wheel intelligence cleaning unit and grain measurement of moisture content instrument |
| CN113057797A (en) * | 2021-04-12 | 2021-07-02 | 深圳市全球通用机械有限公司 | Hollow-out ear picking head and ear picking device |
| CN113350037A (en) * | 2021-07-15 | 2021-09-07 | 李丹 | Clinical ear device of washing of otology |
| CN113679530A (en) * | 2021-08-31 | 2021-11-23 | 南方医科大学第五附属医院 | Antibacterial cleaning tool for protecting eardrum |
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| CN110192949A (en) * | 2019-07-02 | 2019-09-03 | 中国人民解放军第四军医大学 | Ear-nose-throat department cleaning plant of earwaxing |
| CN110361510A (en) * | 2019-08-14 | 2019-10-22 | 安徽大洋自动化科技有限公司 | A kind of rolling wheel intelligence cleaning unit and grain measurement of moisture content instrument |
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| CN113350037A (en) * | 2021-07-15 | 2021-09-07 | 李丹 | Clinical ear device of washing of otology |
| CN113679530A (en) * | 2021-08-31 | 2021-11-23 | 南方医科大学第五附属医院 | Antibacterial cleaning tool for protecting eardrum |
| CN113679530B (en) * | 2021-08-31 | 2024-02-09 | 南方医科大学第五附属医院 | Antibacterial cleaning tool for protecting eardrum |
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| CN108670551B (en) | 2020-09-29 |
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