CN110448388B - Portable mouth cleaner - Google Patents
Portable mouth cleaner Download PDFInfo
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- CN110448388B CN110448388B CN201910814401.3A CN201910814401A CN110448388B CN 110448388 B CN110448388 B CN 110448388B CN 201910814401 A CN201910814401 A CN 201910814401A CN 110448388 B CN110448388 B CN 110448388B
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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
- A61C17/02—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication
- A61C17/0208—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication combined with means providing suction
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- Public Health (AREA)
- Veterinary Medicine (AREA)
- Body Washing Hand Wipes And Brushes (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention relates to the technical field of medical auxiliary equipment, and particularly discloses a portable mouth cleaning device which comprises a handle and a cleaning probe which are fixed with each other, wherein a water spray nozzle is arranged on the cleaning probe, a storage cavity is arranged on the handle and is communicated with the cleaning probe, and a piston is connected in the storage cavity in a sliding manner; the handle is also provided with a driving part for driving the piston in a sliding way, and one side of the storage cavity, which is far away from the cleaning probe, is communicated with a negative pressure pipe. The technical problem that the mouth cleaning device in the prior art can not automatically provide cleaning liquid can be solved by the scheme, so that the oral cavity is more convenient and thorough to clean.
Description
Technical Field
The invention relates to the technical field of medical auxiliary equipment, and particularly discloses a portable mouth cleaning device.
Background
A patient having an oral operation, such as a cleft lip operation, can have a situation that the mouth of the patient is difficult to open, and further have a situation that the inside of the oral cavity is difficult to clean; but if the oral cavity is not cleaned, the wound is easily infected and inflamed; in practice, medical staff wet the wound of a patient by using a cotton swab to dip cleaning fluid (or clear water) and then clean the inside of the oral cavity, but the cotton swab is less in cleaning fluid which is dipped at one time, and the medical staff need to dip for multiple times, so that the cleaning efficiency is slow, the cleaning effect is poor, and the working intensity of the medical staff is increased; and the mouth of the patient has a wound, and the opening degree is small, so that medical staff can not clearly see the condition inside the mouth of the patient, the condition of incomplete cleaning is easily caused, and hidden troubles are left for wound infection.
Disclosure of Invention
The invention aims to provide a portable mouth cleaner to solve the technical problem that a medical worker needs to dip in cleaning solution for multiple times because the mouth cleaner in the prior art cannot supply the cleaning solution intermittently according to needs.
In order to achieve the purpose, the invention adopts the following technical scheme: the portable mouth cleaner comprises a handle and a cleaning probe which are fixed with each other, wherein a water spray nozzle is arranged on the cleaning probe, a storage cavity is arranged on the handle and is communicated with the cleaning probe, and a piston is connected in the storage cavity in a sliding manner; the handle is also provided with a driving part for driving the piston in a sliding way, and one side of the storage cavity, which is far away from the cleaning probe, is communicated with a negative pressure pipe.
The principle of the scheme is as follows: the free end of the negative pressure tube is placed at the bottom of the oral cavity of a patient, when the driving part is pushed, the driving part drives the piston rod to slide, and the piston rod drives the piston to slide, so that the cleaning liquid in the storage cavity is extruded out of the cleaning probe; when the piston slides, negative pressure is formed at the other end of the storage cavity, so that negative pressure is formed in the negative pressure pipe, and the cleaning liquid in the oral cavity of the patient is sucked out.
The scheme has the advantages that:
1) the cleaning probe can intermittently supply the cleaning solution as required, so that the workload of medical care personnel for dipping the cleaning solution is saved, and the times of putting the mouth cleaner into a patient mouth opening are reduced, thereby reducing the condition of touching a wound and reducing the discomfort of a patient;
2) the scheme can store a certain amount of cleaning solution (or clear water), does not need to be additionally communicated with water source supply devices such as a water tank and the like, and does not need to be additionally carried with a cleaning solution bottle, so that medical personnel can carry the cleaning solution more conveniently and operate the cleaning solution more conveniently;
3) the scheme can suck the cleaning solution in the oral cavity synchronously, reduces the condition that the muscles of the mouth are moved when a patient spits the cleaning solution, thereby reducing the probability of wound strain; but also reduces the discomfort caused by the cleaning fluid in the patient's mouth during the cleaning process.
Preferably, as an improvement, a light-emitting device is fixedly arranged on the handle.
This scheme can carry out the light filling, makes medical personnel can see the inside condition in patient's oral cavity more clearly to promote clean effect.
Preferably, as a modification, the light emitting device is an LED lamp.
The LED lamp has the advantages of small size, high luminous purity, small luminous heat, concentrated light beams, low power consumption and long service life.
Preferably, as a modification, the light emitting device is provided at an end of the handle where the cleaning probe is provided.
When medical personnel or patient self this scheme of use clean the oral cavity, directly with clean probe stretch into the oral cavity can, need not extra supplementary light source or use the reflector.
Preferably, as an improvement, the cleaning probe is fixedly provided with a cleaning cotton layer, the cleaning cotton layer is positioned at one end of the cleaning probe far away from the handle, and the cleaning cotton layer is positioned on the peripheral wall of the cleaning probe.
This scheme will clean on the cotton layer locates the perisporium of cleaning probe, can avoid cleaning the clear in-process, the condition that the residue etc. in the oral cavity are plugged up the water jet.
Preferably, as an improvement, the cleaning probe comprises a straight portion and a curved portion fixed to each other, the free end of the straight portion being fixed to the handle, the straight portion and the curved portion having a smooth transition therebetween.
The end part of the cleaning probe is designed to be bent, so that the cleaning probe is more in line with human engineering and is more convenient to use.
Preferably, as an improvement, a negative pressure cavity is arranged in the handle and is communicated with one side, far away from the cleaning probe, in the storage cavity; one end of the negative pressure tube is fixed with the handle, and the other end of the negative pressure tube is communicated with the storage cavity through the negative pressure cavity; the negative pressure pipe is a hard pipe and is arranged in parallel with the cleaning probe; a first valve is arranged in the negative pressure pipe, and a first button for controlling the first valve is arranged on the handle; a second valve is arranged in the cleaning probe, and a second button for controlling the second valve is arranged on the handle; the piston is provided with a vent hole, and the vent hole is provided with a one-way valve.
Before the scheme is used, the piston is driven to extrude the air in the negative pressure cavity into the storage cavity, so that the air pressure in the storage cavity is increased, and meanwhile, the air pressure in the negative pressure cavity is reduced; when the cleaning device is used, the first valve is communicated by pressing the first button, so that the cleaning liquid in the storage cavity is sprayed out through the cleaning probe under the action of pressure intensity; pressing the second button to communicate the second valve and the negative pressure pipe with the negative pressure cavity makes the end of the negative pressure pipe form negative pressure to suck away the cleaning liquid from the patient's mouth.
Preferably, as an improvement, be equipped with on the handle and be used for watered water inlet, still be equipped with the back lid that is used for closing the water inlet on the handle, back lid is located the one end of keeping away from the cleaning probe on the handle, and back is covered axially sliding connection and is had the piston rod, and the one end and the piston of piston rod are fixed, and the other end and the drive division of piston rod rotate to be connected.
According to the scheme, the rear cover is arranged at the tail end (namely the end far away from the cleaning probe) of the handle, so that a user can detach the rear cover, the purpose of filling cleaning liquid or water into the storage cavity is achieved, and the negative pressure cavity can be cleaned; meanwhile, the piston rod is connected with the rear cover in a sliding mode, the motion track of the piston rod can be limited, and the situation that the piston is inclined in the sliding process is avoided; and this scheme still makes back lid and piston integrative, can avoid back lid to dismantle the back, spare part too much leads to rolling easily and falls the condition of losing.
Preferably, as an improvement, be equipped with the holding tank that is used for holding the drive division on the back lid, and be equipped with the bayonet socket on the holding tank, be equipped with on the drive division and be used for with the checkpost of bayonet socket chucking.
When this scheme of use, the user can cover the realization with the drive part chucking after and accomodate drive part, makes this scheme be convenient for collect and deposit.
Preferably, as a modification, a protrusion for increasing friction is provided on a side wall of the driving part.
When this scheme of use, the user can make the drive division can more easily follow the roll-off from the back and cover through protruding increase and the friction between the drive division.
Drawings
FIG. 1 is a front cross-sectional view of a portable mouth cleaner according to a first embodiment of the present invention.
Fig. 2 is a partially enlarged view of the left end of the bent portion in fig. 1.
Fig. 3 is a front sectional view of a second embodiment of the present invention.
Fig. 4 is an enlarged fragmentary view of the second valve position of fig. 3.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the cleaning device comprises a handle 1, a water spraying port 2, a straight portion 3, a bent portion 4, a cleaning cotton layer 5, a storage cavity 6, a water suction hose 7, a weighting block 8, a piston 9, a driving portion 10, a rear cover 11, a piston rod 12, a clamp 13, a protrusion 14, a negative pressure pipe 15, a V-shaped pipe 16, a light-emitting device 17, a power supply battery 18, a negative pressure cavity 19, a first button 20, a first valve plate 21, a second valve plate 22, a return spring 23, a sliding rod 24, a second button 25 and a vent hole 26.
Example one
As shown in figure 1: the portable mouth cleaner comprises a handle 1 and a cleaning probe which are clamped and fixed with each other, wherein a water spray opening 2 is arranged on the cleaning probe, a pressure valve is communicated on the water spray opening 2, the cleaning probe comprises a straight portion 3 and a bending portion 4, the right end of the straight portion 3 is clamped with the handle 1, the bending portion 4 is integrally formed at the left end of the straight portion 3, and the straight portion 3 and the bending portion 4 are in smooth transition; as shown in fig. 2, a cleaning cotton layer 5 is fixed on the cleaning probe by gluing, the cleaning cotton layer 5 is located at one end of the bending part 4 far away from the flat part 3, and the cleaning cotton layer 5 is arranged on the peripheral wall of the bending part 4.
A storage cavity 6 is arranged in the handle 1, the right end of the cleaning probe is communicated with a water suction hose 7, a spherical weighting block 8 is fixedly clamped at the right end of the water suction hose 7, a round hole used for being communicated with the water suction hose 7 is formed in the weighting block 8, and the storage cavity 6 is communicated with a water spray port 2 in the cleaning probe through the water suction hose 7; a piston 9 is connected to the water level in the storage cavity 6 in a sliding manner; the right end of the handle 1 is designed to be opened to form a water inlet for adding water, external threads are processed on the outer peripheral wall of the water inlet, a rear cover 11 for closing the water inlet is further arranged on the handle 1, the cross section of the rear cover 11 is circular, and internal threads matched with the water inlet are processed on the rear cover 11; the rear cover 11 is connected with a piston rod 12 through a shaft hole in a sealing and sliding mode, the left end of the piston rod 12 is clamped and fixed with the piston 9, a driving portion 10 used for driving the piston 9 is connected to the handle 1 in a sliding mode horizontally, and the right end of the piston rod 12 is connected with the driving portion 10 in a rotating mode through a thrust bearing. The rear cover 11 is provided with a containing groove for containing the driving part 10, the lower end of the containing groove is provided with a bayonet which is a rectangular notch, and the driving part 10 is integrally formed with a clip 13 for being clamped with the bayonet. A protrusion 14 for increasing friction is integrally formed on the side wall of the driving part 10, and the protrusion 14 is located on the outer side wall of the clip 13.
The right end (the side far away from the cleaning probe) of the storage cavity 6 is communicated with a negative pressure pipe 15, specifically, a through hole is opened on the rear cover 11, the left end of the negative pressure pipe 15 is communicated with the right end of the storage cavity 6 through the through hole, the right end of the negative pressure pipe 15 is communicated with a V-shaped pipe 16, and the V-shaped pipe 16 is a shaped plastic pipe.
Still fixed joint has illuminator 17 on the handle 1, and illuminator 17 is the LED lamp, and illuminator 17 locates the tip position of handle 1 left end, and still fixed joint has the power battery 18 that is used for the power supply for the LED lamp in the handle 1, and button cell is chooseed for use to power battery 18, and power battery 18 passes through the electric wire intercommunication with the LED lamp.
The specific implementation process is as follows:
before use, the rear cover 11 is rotated to take the rear cover 11 and the piston 9 off the handle 1, the water inlet is opened, cleaning liquid (or clear water) for cleaning the oral cavity is added into the storage cavity 6, then the rear cover 11 is aligned with the water inlet, and the water inlet is closed by rotating the rear cover 11; when the water inlet is closed, the piston 9 is moved to the right for a certain distance according to the amount of cleaning liquid required, and then the rotary rear cover 11 is mounted on the handle 1.
In use, the V-tube 16 is hung on the user's mandible with the end of the V-tube 16 located in a depression in the user's teeth; then the cleaning probe is inserted into the oral cavity of a user, the driving part 10 is pushed leftwards, the driving part 10 drives the piston rod 12 and the piston 9 to move leftwards, the pressure at the left end of the storage cavity 6 is increased, and therefore the cleaning liquid in the storage cavity 6 is pressed into the oral cavity of the user to wash the cleaning liquid; when the washing can not achieve the cleaning purpose, the cleaning cotton layer 5 can be used for wiping and cleaning the inside of the oral cavity of a user, so that the cleaning degree of the oral cavity is improved. After one part is cleaned, the position of the cleaning probe is moved to continuously clean another part of the oral cavity. The weight 8 keeps the free end of the suction hose 7 at the lowest position in the storage chamber 6, so that it is ensured that the suction hose 7 can always suck the cleaning liquid in the storage chamber 6 into the cleaning probe.
Wherein, the in-process that washes, the cleaning solution can be gathered together user's lower jaw department downwards under the effect of gravity, and when promoting the drive portion 10 of this scheme left, the right-hand member of storage chamber 6 still can form the negative pressure, forms the negative pressure simultaneously in negative pressure pipe 15 to can siphon away the cleaning solution in the user's mouth, thereby reduced the uncomfortable sense that the user leads to because remain more cleaning solution in the mouth.
When the medical staff cleans the oral cavity of the patient by adopting the scheme, the scheme has larger cleaning force on the oral cavity, thereby avoiding the situation that the oral cavity patient is infected again because the oral cavity patient can not brush teeth; in addition, the cleaning solution can be intermittently supplied, and compared with the condition that medical staff dip in the cleaning solution for many times in the prior art, the scheme can reduce the times of opening the mouth of the patient, thereby reducing the condition that the patient feels pain when touching the wound of the patient when stretching into the cotton swab; this scheme can also in time clear away the cleaning solution in the patient mouth, reduces patient's uncomfortable sense, avoids the patient oneself to lead to the condition that the wound was strained when spitting the cleaning solution, also enables the patient more to cooperate medical personnel's cleaning work simultaneously, has reduced medical personnel's the work degree of difficulty.
Example two
As shown in fig. 3, the difference between the present embodiment and the first embodiment is that a negative pressure cavity 19 is arranged in the handle 1, the negative pressure cavity 19 is located at the upper side of the storage cavity 6, the negative pressure cavity 19 is communicated with the right end (i.e. the side far away from the cleaning probe) of the storage cavity 6 through a circular hole, and a one-way valve for enabling gas to flow from the negative pressure cavity 19 to the storage cavity 6 only is communicated with the circular hole; the negative pressure pipe 15 is a hard pipe, the right end of the negative pressure pipe 15 is arranged in parallel with the cleaning probe, and the left end of the negative pressure pipe 15 deviates from the cleaning probe and is bent upwards; the right end of the negative pressure tube 15 is fixedly clamped with the handle 1, and the negative pressure tube 15 is communicated with the storage cavity 6 through the negative pressure cavity 19; the interior of the negative pressure pipe 15 is provided with a first valve, the handle 1 is provided with a first button 20 for controlling the first valve, and the first valve and the first button 20 are specifically arranged as follows: as shown in fig. 4, a first valve plate 21 is integrally formed in the negative pressure pipe 15, a first circular hole is fixedly formed in the first valve plate 21, a second valve plate 22 is slidably connected to the upper side of the first valve plate 21, a second circular hole is formed in the second valve plate 22, a return spring 23 is fixedly welded to the right side of the second valve plate 22, a slide rod 24 is fixedly clamped to the left side of the second valve plate 22, the slide rod 24 is in sealing and sliding connection with the negative pressure pipe 15, the left end of the slide rod 24 extends out of the negative pressure pipe 15, the left end of the slide rod 24 is clamped with a first button 20, the first button 20 is horizontally and slidably connected with the left end of the handle 1 through a slide groove, in a normal state, the left end of the first button 20 protrudes from the handle 1, and the position relation of the second circular hole and the first circular hole in a radial screenshot is separated; a second valve is arranged in the cleaning probe, a second button 25 for controlling the second valve is arranged on the handle 1, the structure and the principle of the second valve are the same as those of the first valve, and are not described herein again, and the second button 25 is vertically connected to the lower side of the handle 1 in a sliding manner; a vent hole 26 is provided in the piston 9, and a check valve for allowing air to flow only from the right end of the storage chamber 6 to the left end of the storage chamber 6 is connected to the vent hole 26.
Before use, when the cleaning liquid is added, the basic operation is the same as that of the first embodiment; however, in this embodiment, the cleaning liquid cannot be added to the entire storage chamber 6, and 3/4 of cleaning liquid is added to the capacity of the storage chamber 6 as an example; then the piston rod 12 is moved rightwards to the position where the piston 9 is abutted against the rear cover 11, and the rear cover 11 is installed on the handle 1; then manually drawing the driving part 10 to make the piston 9 reciprocate in the storage cavity 6, when the piston 9 moves leftwards, negative pressure is formed at the right end of the storage cavity 6, and air in the negative pressure cavity 19 is sucked into the right end of the storage cavity 6; when the piston 9 moves rightwards, the pressure at the right end of the storage cavity 6 is increased, and because the air flow cannot reversely flow back into the negative pressure cavity 19 due to the limitation of the one-way valve, the air at the right end of the storage cavity 6 flows to the left end of the storage cavity 6, so that the pressure at the left end of the storage cavity 6 is increased; by reciprocating the storage chamber 6 a plurality of times, the air in the negative pressure chamber 19 is pushed into the left end of the storage chamber 6, so that the pressure in the left end of the storage chamber 6 is increased and the pressure in the negative pressure chamber 19 is decreased.
When the device is used, the second button 25 is pressed to open the second valve, and the cleaning liquid in the storage cavity 6 is sprayed out under the action of pressure, so that the aim of cleaning the oral cavity of a patient is fulfilled; when the oral cavity cleaning liquid of the patient is more, the handle 1 is turned over, the left end of the negative pressure pipe 15 is downward and the left end of the negative pressure pipe 15 is immersed in the oral cavity cleaning liquid of the patient, and then the first button 20 is pressed to open the first valve, so that the oral cavity cleaning liquid of the patient can be sucked into the negative pressure cavity 19 under the action of negative pressure. According to the scheme, the operation can be realized only by pressing the first button 20 or the second button 25, and the operation is simpler and more convenient.
The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (9)
1. Clean mouthful ware of portable, including handle and the cleaning probe of reciprocal anchorage, the last nozzle that is equipped with of cleaning probe, its characterized in that: the handle is provided with a storage cavity, the storage cavity is communicated with the cleaning probe, and a piston is connected in the storage cavity in a sliding manner; a driving part for driving the piston is also arranged on the handle in a sliding way, and one side of the storage cavity far away from the cleaning probe is communicated with a negative pressure pipe; a negative pressure cavity is arranged in the handle and is communicated with one side, far away from the cleaning probe, in the storage cavity; the negative pressure tube is fixed with the handle, one end of the negative pressure tube is used for extending into the oral cavity, and the other end of the negative pressure tube is communicated with the storage cavity through the negative pressure cavity; the negative pressure pipe is a hard pipe and is arranged in parallel with the cleaning probe; the negative pressure pipe is internally provided with a first valve, the handle is provided with a first button for controlling the first valve, the negative pressure pipe is internally and integrally formed with a first valve plate, the first valve plate is fixedly provided with a first round hole in a communicating manner, the upper side of the first valve plate is connected with a second valve plate in a sliding manner, the second valve plate is provided with a second round hole in a communicating manner, the right side of the second valve plate is fixedly welded with a reset spring, the left side of the second valve plate is fixedly clamped with a sliding rod, the sliding rod is connected with the negative pressure pipe in a sealing and sliding manner, the left end of the sliding rod extends out of the negative pressure pipe, the left end of the sliding rod is clamped with the first button, the first button is horizontally and slidably connected with the left end of the handle through a sliding groove, in a normal state, the left end of the first button protrudes out of the handle; a second valve is arranged in the cleaning probe, a second button for controlling the second valve is arranged on the handle, the structure and the principle of the second valve are the same as those of the first valve, and the second button is vertically connected to the lower side of the handle in a sliding manner; the piston is provided with a vent hole which is communicated with a one-way valve used for enabling air to flow from the right end of the storage cavity to the left end of the storage cavity only.
2. The portable mouth cleaner according to claim 1, wherein: the handle is fixedly provided with a light-emitting device.
3. The portable mouth cleaner according to claim 2, wherein: the light emitting device is an LED lamp.
4. The portable mouth cleaner according to claim 2, wherein: the light-emitting device is arranged at one end of the handle, which is provided with the cleaning probe.
5. The portable mouth cleaner according to claim 1, wherein: the cleaning probe is fixedly provided with a cleaning cotton layer, the cleaning cotton layer is positioned at one end, far away from the handle, of the cleaning probe, and the cleaning cotton layer is positioned on the peripheral wall of the cleaning probe.
6. The portable mouth cleaner according to claim 1, wherein: the cleaning probe comprises a straight portion and a bending portion which are fixed with each other, the free end of the straight portion is fixed with the handle, and the straight portion and the bending portion are in smooth transition.
7. The portable mouth cleaner according to claim 1, wherein: the handle is provided with a water inlet for adding water, the handle is further provided with a rear cover for closing the water inlet, the rear cover is arranged at one end, far away from the cleaning probe, of the handle, the rear cover is connected with a piston rod in an axial sliding mode, one end of the piston rod is fixed with the piston, and the other end of the piston rod is rotatably connected with the driving portion.
8. The portable mouth cleaner according to claim 7, wherein: the rear cover is provided with a containing groove used for containing the driving portion, the containing groove is provided with a bayonet, and the driving portion is provided with a clip used for being clamped with the bayonet.
9. The portable mouth cleaner according to claim 7, wherein: and the side wall of the driving part is provided with a bulge for increasing friction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910814401.3A CN110448388B (en) | 2019-08-30 | 2019-08-30 | Portable mouth cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910814401.3A CN110448388B (en) | 2019-08-30 | 2019-08-30 | Portable mouth cleaner |
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| Publication Number | Publication Date |
|---|---|
| CN110448388A CN110448388A (en) | 2019-11-15 |
| CN110448388B true CN110448388B (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910814401.3A Active CN110448388B (en) | 2019-08-30 | 2019-08-30 | Portable mouth cleaner |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111544147A (en) * | 2020-05-12 | 2020-08-18 | 聊城市人民医院 | Oral care device suitable for negative pressure suction |
| CN111840820B (en) * | 2020-07-30 | 2022-03-01 | 中国人民解放军陆军军医大学第一附属医院 | Mouth-holding device |
| CN113768647B (en) * | 2021-08-23 | 2022-04-29 | 无锡市儿童医院 | Special portable water washing cleaner for micro-implant nail of bony arch expander |
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| WO2018161937A1 (en) * | 2017-03-09 | 2018-09-13 | 胡芳琼 | Household tooth washing device |
| CN206994841U (en) * | 2017-07-06 | 2018-02-13 | 任博 | Medical oral nursing toothbrush |
| CN208573843U (en) * | 2017-09-25 | 2019-03-05 | 四川大学华西医院 | Convenient oral nursing brush |
| CN208876848U (en) * | 2018-06-11 | 2019-05-21 | 中国人民解放军陆军军医大学第一附属医院 | A saliva suction tube dirt avoidance device |
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| CN110448388A (en) | 2019-11-15 |
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