CN113633424B - Dedicated suction formula oral cavity belt cleaning device of department of stomatology - Google Patents
Dedicated suction formula oral cavity belt cleaning device of department of stomatology Download PDFInfo
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- CN113633424B CN113633424B CN202110826369.8A CN202110826369A CN113633424B CN 113633424 B CN113633424 B CN 113633424B CN 202110826369 A CN202110826369 A CN 202110826369A CN 113633424 B CN113633424 B CN 113633424B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
- A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
- A61C17/36—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor with rinsing means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/06—Saliva removers; Accessories therefor
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Brushes (AREA)
Abstract
The invention discloses a suction type oral cavity cleaning device special for stomatology department, which comprises a base, a water tank, a movable plate, a water spray port and bristles, wherein the water tank is fixed at one end of the base, a driving motor is fixed at one end of the water tank, the output end of the driving motor penetrates through the inside of the water tank and is connected with a screw rod, the movable plate is sleeved at the middle part of the screw rod, a first one-way inflow valve and a second one-way inflow valve are respectively positioned at the upper end and the lower end of the movable plate, a fixed seat is installed at the other end of the base, a control frame is sleeved on the outer side of a sector gear, a conversion block is installed at one side of the control frame, and a brush plate is fixed at one end of a rotating rod. This dedicated suction formula oral cavity belt cleaning device of department of stomatology can take the washing waste liquid out, prevents to influence patient's normal breathing when wasing oral cavity inside, can avoid the patient to wash the waste liquid swallow and cause the discomfort to the patient simultaneously, and the patient of being convenient for will brush the board and fill in the oral cavity.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a suction type oral cavity cleaning device special for stomatology department.
Background
Along with improvement of the standard of living of people, people attach more and more importance to oral health, and in oral cavity clinical work, medical personnel generally need clean in advance patient's oral cavity, relate to a special alveolus cleaning device of department of stomatology in the publication (CN 109938862A), "including grip, motor frame and baffle, the outside of grip is provided with the skid resistant course. According to the invention, through the arrangement of the motor frame, the motor interface and the rotating shaft, the motor is started to drive the rotating shaft to rotate, and the rotating shaft rotates to enable the device to automatically clean the inside of the oral cavity, the invention can enable the water pipe interface, the water pipe, the water spraying pipe and the water spraying nozzle to be arranged, the water pipe interface is externally connected with a water source to convey water for the inside of the water pipe, and the water spraying nozzle is discharged outwards through the water spraying pipe, so that the oral cavity internal cleaning device can be better cleaned by the oral cavity special-purpose alveolar cleaning device, but the oral cavity special-purpose alveolar cleaning device also has the following problems:
1. the special dental alveolus cleaning device for the department of stomatology sprays water into the oral cavity through the water spray nozzle, when the water amount reaches a certain degree, normal breathing of a patient is affected, and when the patient cannot tolerate the water amount, the cleaning waste liquid is easy to swallow, so that adverse reactions of the patient occur;
2. this special alveolus belt cleaning device of department of stomatology drives the brush through the pivot and washs the inner chamber, because cylindric setting, is difficult for laminating in the lateral part of tooth, reduces the clean dynamics of brush, needs to place belt cleaning device in the oral cavity simultaneously, and this special alveolus belt cleaning device of department of stomatology is great, and inconvenient patient places belt cleaning device in the oral cavity and uses.
We have therefore proposed a suction type oral cleansing apparatus specifically for use in stomatology so as to solve the problems set out above.
Disclosure of Invention
The invention aims to provide a suction type oral cavity cleaning device special for department of stomatology, which solves the problems that the existing oral cavity cleaning device special for department of stomatology in the market in the background technology is inconvenient to treat cleaning waste liquid, normal respiration of a patient is influenced after the water amount reaches a certain degree, the cleaning waste liquid is easy to swallow when the patient cannot tolerate the cleaning waste liquid, adverse reaction of the patient is caused, the cleaning device is not easy to be attached to the side part of teeth, the cleaning force of a brush is reduced, and meanwhile, the cleaning device needs to be placed in the oral cavity.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a dedicated suction formula oral cavity belt cleaning device of department of stomatology, includes base, water tank, fly leaf, water jet and brush hair, the one end of base is fixed with the water tank, and the lateral part of water tank installs first one-way inflow valve, the one-way inflow valve of second, first one-way outflow valve and the one-way outflow valve of second respectively, the one end of water tank is fixed with driving motor, and driving motor's output runs through the internal connection of water tank and has the lead screw, the middle part cover of lead screw is equipped with the fly leaf, and the inside of fly leaf runs through the cover and is equipped with the guide bar to the inside at the water tank is fixed respectively at the both ends of guide bar, and installs the bellows between the outside of fly leaf and the inside of water tank, first one-way inflow valve of second and the one-way inflow valve are located the upper and lower both ends of fly leaf respectively, and first one-way inflow valve is located the same end of fly leaf with first one-way outflow valve to second one-way inflow valve and the one-way outflow valve of second are located the other end of fly leaf simultaneously, the other end of base is installed the straw, and the inside hub connection of brush piece and the brush hair of brush control box is located the inside of brush control box, and the switch board, and the switch of brush piece is connected with the brush piece.
Preferably, the movable plate and the water tank form up-and-down sliding connection, and the guide rod sleeved in the movable plate is parallel to the screw rod.
Preferably, the suction pipe is communicated with the second one-way inflow valve, the second one-way inflow valve is positioned at the bottom end of the water tank, and a connection point between the water tank and the telescopic hose is positioned on a transverse axis of the water tank.
Preferably, the inner walls of the two sides of the control frame are provided with tooth blocks at equal intervals, the tooth blocks and the sector gear form a meshing structure, and the sector gear and the screw rod are positioned on the same shaft.
Preferably, the internally mounted of bull stick has the impeller, and the upper end of bull stick is located the inside of recess to the recess is seted up in the inside of conversion piece, and the welding has the vortex spring between bull stick and the recess moreover, the upper end lateral part of bull stick is fixed with the stopper, and the stopper is located the inside of spacing groove, and the inside of conversion piece is seted up in the spacing groove.
Preferably, the rotating rod is in rotating connection with the conversion block through an impeller and a vortex spring, and central shafts of the impeller and the vortex spring are located on the same line.
Preferably, the limiting blocks are distributed at equal angles relative to the center of the rotating rod, the limiting blocks and the limiting grooves form clearance fit, and the limiting grooves are arranged in a semicircular ring shape.
Preferably, the brush plate is designed to be an arc-shaped structure, 2 brush plates are symmetrically arranged around the central axis of the base, and the cross section of each brush plate is in an H shape.
Preferably, the water spraying ports and the bristles are distributed on the inner wall of the brush plate in a staggered manner, and the water spraying ports are communicated with the first one-way outflow valve.
Compared with the prior art, the invention has the beneficial effects that: the suction type oral cavity cleaning device special for the department of stomatology;
1. the conversion block and the rotating rod are arranged, so that after the screw rod drives the sector gear to rotate, the conversion block can be driven to move back and forth through the meshing action with the tooth block, the brush plates arranged on the conversion block can scrub the inside and the outside of teeth, meanwhile, the movable plate sleeved on the outer side of the screw rod can push cleaning liquid to enter the conversion block from the first one-way outflow valve under the action of the guide rod, the rotating rod is driven to rotate through the impeller, and then 2 brush plates can be opened, so that the brush plates can be conveniently plugged into the oral cavity of a patient, the comfort of the patient is improved, meanwhile, the brush plates can be more attached to the teeth of the patient, and the structural design of the brush plates can realize the double-sided cleaning of the teeth, and further the cleaning force of bristles can be improved;
2. be provided with fly leaf and straw, make when the fly leaf removes in water tank inside along with the lead screw, the upper end can promote the washing liquid and advance inside the oral cavity from first one-way outflow valve, thereby can cooperate the brush hair to clean the tooth, the lower extreme can utilize one-way inflow valve of second and straw simultaneously, take the washing waste liquid out from the oral cavity is inside, avoid washing the waste liquid and pile up inside patient's oral cavity, cause the patient to breathe inconveniently, and can prevent that the patient from will washing the waste liquid and swallow, lead to patient's discomfort.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic view of a movable plate of the present invention in a top-down view;
FIG. 4 is a schematic view of the fixing base of the present invention;
FIG. 5 is a schematic top-down view of a transition block according to the present invention;
FIG. 6 is a schematic view of a front cross-sectional structure of the rotating rod of the present invention;
FIG. 7 is a schematic view of a brush plate according to the present invention in a top-down view.
In the figure: 1. a base; 2. a water tank; 3. a first one-way inflow valve; 4. a second one-way inflow valve; 5. a first one-way outflow valve; 6. a second one-way outflow valve; 7. a drive motor; 8. a screw rod; 9. a movable plate; 10. a guide bar; 11. a flexible hose; 12. a fixed seat; 13. a straw; 14. a sector gear; 15. a control frame; 16. a control slot; 17. a tooth block; 18. a conversion block; 19. a rotating rod; 20. an impeller; 21. a groove; 22. a scroll spring; 23. a limiting block; 24. a limiting groove; 25. brushing a plate; 26. a water jet; 27. and (3) brush hairs.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a suction type oral cavity cleaning device special for department of stomatology comprises a base 1, a water tank 2, a first one-way inflow valve 3, a second one-way inflow valve 4, a first one-way outflow valve 5, a second one-way outflow valve 6, a driving motor 7, a screw rod 8, a movable plate 9, a guide rod 10, a telescopic hose 11, a fixed seat 12, a suction pipe 13, a sector gear 14, a control frame 15, a control groove 16, a tooth block 17, a conversion block 18, a rotating rod 19, an impeller 20, a groove 21, a vortex spring 22, a limiting block 23, a limiting groove 24, a brush plate 25, a water spray opening 26 and brush bristles 27, wherein the water tank 2 is fixed at one end of the base 1, the first one-way inflow valve 3, the second one-way inflow valve 4, the first one-way outflow valve 5 and the second one-way outflow valve 6 are respectively installed at the side part of the water tank 2, the driving motor 7 is fixed at one end, the output end of the driving motor 7 penetrates through the screw rod 8, a movable plate 9 is sleeved at the middle part of the screw 8, a guide rod 10 is sleeved inside the movable plate 9 in a penetrating manner, two ends of the guide rod 10 are respectively fixed inside the water tank 2, a flexible hose 11 is installed between the outer side of the movable plate 9 and the inside of the water tank 2, a first one-way inflow valve 3 and a second one-way inflow valve 4 are respectively located at the upper end and the lower end of the movable plate 9, the first one-way inflow valve 3 and the first one-way outflow valve 5 are located at the same end of the movable plate 9, the second one-way inflow valve 4 and the second one-way outflow valve 6 are simultaneously located at the other end of the movable plate 9, a fixed seat 12 is installed at the other end of the base 1, a suction pipe 13 is installed at one end of the fixed seat 12, a sector gear 14 is connected to the inner shaft of the fixed seat 12, a control frame 15 is sleeved at the outer side of the sector gear 14, and the control frame 15 is located inside a control groove 16, the control groove 16 is arranged in the fixed seat 12, one side of the control frame 15 is provided with a conversion block 18, one end of the conversion block 18 is connected with a rotating rod 19 through a shaft, one end of the rotating rod 19 is fixed with a brush plate 25, and the inner side of the brush plate 25 is respectively provided with a water spray 26 and bristles 27;
the movable plate 9 and the water tank 2 are connected in a vertical sliding manner, and the guide rod 10 sleeved inside the movable plate 9 is parallel to the screw rod 8, so that after the driving motor 7 is started, the screw rod 8 can be driven to rotate, and the movable plate 9 sleeved outside the screw rod 8 can move in the water tank 2 under the action of the guide rod 10;
the suction pipe 13 is communicated with the second one-way inflow valve 4, the second one-way inflow valve 4 is positioned at the bottom end of the water tank 2, and a connecting point between the water tank 2 and the telescopic hose 11 is positioned on a transverse axis of the water tank 2, so that when the screw rod 8 drives the movable plate 9 to move upwards, the space at the lower end of the water tank 2 can utilize the second one-way inflow valve 4 and the suction pipe 13, so that the cleaning waste liquid in the oral cavity can be pumped out, the normal breathing of a patient is prevented from being influenced, and the waste liquid is prevented from being swallowed by the patient;
the inner walls of the two sides of the control frame 15 are provided with tooth blocks 17 at equal intervals, the tooth blocks 17 and the sector gear 14 form a meshing structure, and the sector gear 14 and the screw rod 8 are positioned on the same shaft, so that after the screw rod 8 drives the sector gear 14 to rotate, the control frame 15 sleeved outside the sector gear 14 can move back and forth in the control groove 16 under the meshing action between the tooth blocks 17 arranged on the two sides of the inner wall and the sector gear 14;
an impeller 20 is installed in the rotating rod 19, the upper end of the rotating rod 19 is located in the groove 21, the groove 21 is formed in the conversion block 18, a vortex spring 22 is welded between the rotating rod 19 and the groove 21, a limiting block 23 is fixed on the side portion of the upper end of the rotating rod 19, the limiting block 23 is located in the limiting groove 24, the limiting groove 24 is formed in the conversion block 18, the rotating rod 19 is rotatably connected with the conversion block 18 through the impeller 20 and the vortex spring 22, the central axes of the impeller 20 and the vortex spring 22 are located on the same line, the limiting block 23 is distributed in the same angle relative to the center of the rotating rod 19, the limiting block 23 and the limiting groove 24 form clearance fit, and the limiting groove 24 is in a semicircular ring shape, so that when cleaning liquid passes through the impeller 20, the impeller 20 can be driven to rotate, the rotating rod 19 can drive the brush plate 25 to be opened under the joint action between the limiting block 23 and the limiting groove 24, on one hand, the other hand, a patient can conveniently plug the brush plate 25 into the oral cavity;
The working principle is as follows: when the special suction type oral cavity cleaning device for department of stomatology is used, as shown in fig. 1-5 and fig. 7, an existing water inlet pipe and an existing water outlet pipe are respectively installed on a first one-way inflow valve 3 and a second one-way outflow valve 6, at the moment, 2 brush plates 25 are in a closed state, so that a patient can conveniently plug the brush plates 25 into the oral cavity, a driving motor 7 is started, the driving motor 7 drives a screw rod 8 to rotate, after the screw rod 8 rotates, a movable plate 9 sleeved in the middle of the screw rod 8 can move up and down in a water tank 2 under the limiting action of a guide rod 10, when the movable plate 9 moves downwards, cleaning liquid in the water inlet pipe can be introduced into the upper space of the water tank 2 from the first one-way inflow valve 3, and when the movable plate 9 moves upwards, the cleaning liquid sequentially passes through the base 1, the fixed seat 12, the conversion block 18, the rotating rod 19 and the brush plates 25 from the first one-way outflow valve 5, and is finally sprayed to the oral cavity of the patient through a water spray opening 26;
as shown in fig. 1 and fig. 4-6, when the cleaning solution passes through the impeller 20 installed in the rotating rod 19, the rotating rod 19 can be driven to rotate in the converting block 18, and due to the clamping action between the limiting block 23 installed at one end of the rotating rod 19 and the limiting groove 24, the rotating rod 19 can be stopped after rotating to a certain angle, and then the brush plate 25 can be driven to be attached to the outer side of the teeth of the patient, so that the cleaning force of the brush 27 on the teeth can be improved;
as shown in fig. 1, 4 and 7, when the screw 8 rotates, the screw can drive the sector gear 14 on the same shaft to synchronously rotate, and when the sector gear 14 rotates, the control frame 15 sleeved outside the sector gear 14 can move back and forth in the control slot 16 because the tooth blocks 17 installed on both sides of the inner wall are meshed with the sector gear 14, and further can drive the brush plate 25 to move back and forth through the conversion block 18 and the rotating rod 19, so that the cleaning force can be further improved, and because the brush plate 25 is designed to be in an H-shaped structure, both sides of the teeth can be synchronously cleaned, and the cleaning efficiency is improved;
as shown in fig. 1-3, when the movable plate 9 moves upwards in the water tank 2 along with the screw 8, a negative pressure is formed in the lower part of the water tank 2, so that the cleaning waste liquid in the oral cavity can be pumped out through the suction pipe 13 and the second one-way inflow valve 4, the cleaning waste liquid is prevented from being accumulated in the oral cavity, the normal breathing of a patient is affected, and meanwhile, the patient can be prevented from swallowing the waste liquid to cause discomfort of the patient, after the cleaning is finished, the impeller 20 is not impacted by the cleaning liquid, so that the rotating rod 19 can perform reverse rotation under the elastic action of the vortex spring 22, and the brush plate 25 can be conveniently taken out by the patient, thereby completing a series of operations.
Those not described in detail in this specification are within the skill of the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (3)
1. The utility model provides a dedicated suction formula oral cavity belt cleaning device of department of stomatology, includes base (1), water tank (2), fly leaf (9), water jet (26) and brush hair (27), its characterized in that: the one end of base (1) is fixed with water tank (2), and the lateral part of water tank (2) is installed first one-way inflow valve (3), second one-way inflow valve (4), first one-way outflow valve (5) and second one-way outflow valve (6) respectively, the one end of water tank (2) is fixed with driving motor (7), and the output of driving motor (7) runs through the internal connection of water tank (2) has lead screw (8), the middle part cover of lead screw (8) is equipped with fly leaf (9), and the inside of fly leaf (9) runs through the cover and is equipped with guide bar (10), and the both ends of guide bar (10) are fixed respectively in the inside of water tank (2), and install flexible hose (11) between the outside of fly leaf (9) and the inside of water tank (2), first one-way inflow valve (3) and second one-way inflow valve (4) are located the upper and lower both ends of fly leaf (9) respectively, and first one-way inflow valve (3) and first one-way outflow valve (5) are located the same end of fly leaf (9), and the other end of fly leaf (6) is installed straw (12) simultaneously, the other end of base (1) is installed with straw (12), a sector gear (14) is connected to an inner shaft of the fixed seat (12), a control frame (15) is sleeved on the outer side of the sector gear (14), the control frame (15) is located inside the control groove (16), the control groove (16) is formed in the fixed seat (12), a conversion block (18) is installed on one side of the control frame (15), a rotating rod (19) is connected to one end of the conversion block (18) in a shaft mode, a brush plate (25) is fixed to one end of the rotating rod (19), and a water spraying opening (26) and bristles (27) are installed on the inner side of the brush plate (25) respectively;
the movable plate (9) and the water tank (2) form up-down sliding connection, and a guide rod (10) sleeved in the movable plate (9) is parallel to the screw rod (8);
the suction pipe (13) is communicated with the second one-way inflow valve (4), the second one-way inflow valve (4) is positioned at the bottom end of the water tank (2), and a connection point between the water tank (2) and the telescopic hose (11) is positioned on a transverse axis of the water tank (2);
the inner walls of two sides of the control frame (15) are provided with tooth blocks (17) at equal intervals, the tooth blocks (17) and the sector gear (14) form a meshing structure, and the sector gear (14) and the screw rod (8) are positioned on the same shaft;
an impeller (20) is mounted inside the rotating rod (19), the upper end of the rotating rod (19) is located inside the groove (21), the groove (21) is formed inside the converting block (18), a vortex spring (22) is welded between the rotating rod (19) and the groove (21), a limiting block (23) is fixed to the side portion of the upper end of the rotating rod (19), the limiting block (23) is located inside the limiting groove (24), and the limiting groove (24) is formed inside the converting block (18);
the rotating rod (19) is in rotating connection with the conversion block (18) through an impeller (20) and a vortex spring (22), and the central shafts of the impeller (20) and the vortex spring (22) are positioned on the same line;
the limiting blocks (23) are distributed in an equal angle mode relative to the center of the rotating rod (19), the limiting blocks (23) and the limiting grooves (24) form clearance fit, and the limiting grooves (24) are arranged in a semicircular mode.
2. The oral cleaning device of claim 1, wherein: the brush plate (25) is designed to be of an arc-shaped structure, 2 brush plates (25) are symmetrically arranged relative to the central axis of the base (1), and the cross section of each brush plate (25) is H-shaped.
3. The oral cleaning device of claim 1, wherein: the water spray ports (26) and the brush bristles (27) are distributed on the inner wall of the brush plate (25) in a staggered mode, and the water spray ports (26) are communicated with the first one-way outflow valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110826369.8A CN113633424B (en) | 2021-07-21 | 2021-07-21 | Dedicated suction formula oral cavity belt cleaning device of department of stomatology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110826369.8A CN113633424B (en) | 2021-07-21 | 2021-07-21 | Dedicated suction formula oral cavity belt cleaning device of department of stomatology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113633424A CN113633424A (en) | 2021-11-12 |
| CN113633424B true CN113633424B (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110826369.8A Active CN113633424B (en) | 2021-07-21 | 2021-07-21 | Dedicated suction formula oral cavity belt cleaning device of department of stomatology |
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| CN (1) | CN113633424B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209751270U (en) * | 2019-02-23 | 2019-12-10 | 兰州大学第二医院 | Clinical oral cavity cleaning device |
| CN109938862A (en) * | 2019-04-23 | 2019-06-28 | 诸暨天雅科技有限公司 | A kind of dedicated alveolus cleaning device of the department of stomatology |
| CN211834839U (en) * | 2020-02-26 | 2020-11-03 | 武汉大学 | Critical patient oral cavity cleaning toothbrush |
| CN213346095U (en) * | 2020-08-17 | 2021-06-04 | 上海六普医疗科技有限公司 | Department of stomatology 3D corrects and uses oral cavity washing unit |
| CN111938852A (en) * | 2020-09-14 | 2020-11-17 | 李斌 | Oral cleaning spray rinsing instrument for department of stomatology |
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2021
- 2021-07-21 CN CN202110826369.8A patent/CN113633424B/en active Active
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Inventor after: Zhao Han Inventor after: Yao Guiyin Inventor before: Yao Guiyin |
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Effective date of registration: 20221010 Address after: 4 Tiantan Xili, Dongcheng District, Beijing Applicant after: BEIJING STOMATOLOGICAL HOSPITAL, CAPITAL MEDICAL University Address before: No. 8-1, sanyuanci, Qixia District, Nanjing, Jiangsu 210046 Applicant before: Yao Guiyin |
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