Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

286 results about "Oral irrigator" patented technology

An oral irrigator (also called a dental water jet, dental water toothpick, water flosser, or by the brand name of the best-known such device, Waterpik) is a home dental care device which uses a stream of high-pressure pulsating water intended to remove plaque and food debris between teeth and below the gum line. Regular use of an oral irrigator is believed to improve gingival health. The devices may also provide easier cleaning for braces and dental implants.

Control method of oral irrigator and oral irrigator

PendingUS20250366962A1Tooth rinsingDentistryWater spray
The present disclosure provides a control method of an oral irrigator and an oral irrigator, wherein the oral irrigator includes a normal working mode and a spot spray working mode. The oral irrigator is capable of switching between the normal working mode and the spot spray working mode. In the normal working mode, the oral irrigator continuously sprays water. In the spot spray working mode, the oral irrigator sprays water in a pulsed manner, with a pause duration between two water sprays.
Owner:NINGBO SEAGO ELECTRIC

Waterproof oral irrigator

A waterproof oral irrigator including an oral irrigator housing which is provided with a sliding recess on an outer wall thereof; a push switch slidably fitted with the sliding recess and provided with a magnetic element; and a control circuit board arranged inside the oral irrigator housing and being provided with a plurality of Hall elements. A plurality of Hall elements are sequentially disposed at intervals along a sliding direction of a push switch. When the push switch slides along the sliding recess, the magnetic element can be driven to move to positions sensed by the plurality of Hall elements in sequence. Since the outer wall of the oral irrigator housing is provided with the sliding recess, and the sliding recess is not communicated with the interior of the oral irrigator, so that the waterproof performance of the oral irrigator can be greatly improved.
Owner:FLYCAT ELECTRICAL CO LTD

Oral irrigator

In one embodiment, an oral irrigator including a reservoir, a tip fluidly connected to the reservoir, a motor having a drive shaft, and a pump. The pump includes a pump body including a pump inlet fluidly connected to the reservoir and a pump outlet fluidly connected to the tip, a spiral pinion gear including a plurality of pinion gear teeth that curve along their length, and a spiral driven gear including a plurality of driven gear teeth that mesh with the pinion gear teeth. The pump also may include a connecting rod eccentrically connected to the driven gear and a piston and received within the pump body. Movement of the drive shaft causes the pinion gear to rotate, causing the driven gear to rotate, translating the connecting rod and moving the piston laterally within the pump body to pull fluid from the reservoir and push the fluid to the tip.
Owner:WATER PIK INC

Flusher for oral care

The invention relates to the technical field of oral cavity flushers, in particular to an oral cavity nursing flusher which comprises a toothbrush handle, a controller is embedded in the outer wall of the toothbrush handle, a waterproof control switch is arranged on the outer wall of the controller, and a toothbrush head is mounted at one end of the toothbrush handle in a pluggable mode. A plurality of groups of fixing grooves are formed in the outer wall of the toothbrush handle and are respectively positioned on the outer wall of the toothbrush handle; according to the toothbrush, the holding size of the toothbrush handle can be adjusted through the holding adjusting assembly; the temperature of the flushing liquid can be adjusted through the flushing assembly, and the flow speed of the flushing liquid can be adjusted; the flushing waste liquid can be pumped out in time through the backflow assembly, and the situation that follow-up flushing is affected due to accumulation of the flushing waste liquid is prevented; through the flushing assembly, multiple groups of flushing structures can be used for flushing from different angles, and meanwhile, the toothbrush structures of the flushing structures can brush teeth, so that the flushing effect is good.
Owner:THE 924TH HOSPITAL OF THE CHINESE PEOPLES LIBERATION ARMY JOINT LOGISTICS SUPPORT FORCE

Flushing head and oral irrigator special for bony expansion device

The utility model discloses a special flushing head for a bony expansion device and an oral irrigator, the special flushing head for the bony expansion device comprises a bifurcate front end, the bifurcate front end comprises a first bifurcate part and a second bifurcate part, the first bifurcate part and the second bifurcate part are arranged in a bifurcate manner and form a bifurcate area; the mechanical cleaning assembly is arranged on the inner side of the forked area, and the mechanical cleaning assembly is used for spraying water flow; the first end of the shapeable assembly is connected with the front end of the fork, and the bending angle and shape of the shapeable assembly can be adjusted; and the connecting part is connected with the second end of the moldable assembly, and the connecting part is used for being connected with a main body of the oral irrigator. The utility model aims to solve the problems that a flushing head is large in cleaning blind area for a patient provided with a bony expansion device and the flushing head cannot be matched with the bony expansion device.
Owner:SHENZHEN PEOPLES HOSPITAL

Water outlet structure of punch of oral cavity cleaner

The utility model relates to the technical field of oral cavity cleaning, in particular to a water outlet structure of an oral cavity cleaner punch, which comprises a cleaner main body, a groove is arranged at the bottom of the cleaner main body, internal threads are arranged on the inner wall of the groove, a water storage barrel is connected below the cleaner main body, a transparent window is arranged on the side face of the water storage barrel, and the transparent window is made of transparent plastic materials. Scale marks are printed on the surface of the transparent window, numerical values of the scale marks are gradually increased from bottom to top, external threads are formed in the outer side of the top end of the water storage barrel and are in sliding connection with the internal threads, a first sealing rubber ring is fixedly connected to the top of a groove of the cleaner body and abuts against the top end of the water storage barrel, and an inner groove is formed in the cleaner body. A second sealing rubber ring is fixedly connected to the interior of the inner groove, and a water pumping pipe is fixedly connected to the interior of the second sealing rubber ring; according to the utility model, the water storage cylinder can be conveniently detached from the cleaner main body through the arrangement of the convenient dismounting device, so that water injection is facilitated.
Owner:深圳市爱能科电子有限公司

Waterpik

1. The name of the design product: oral irrigator. 2. The use of the design product: the design product is used for cleaning the oral cavity, teeth and interdental spaces. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: combined state perspective view 2.
Owner:许满满

Water flosser handle

1. The name of the design product: the handle of oral irrigator. 2. The use of the design product: the handle part for oral irrigator. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: the perspective view of design 1. 5. Design 1 is designated as the basic design.
Owner:PANASONIC WANBAO APPLIANCES BEAUTY & LIVING GUANGZHOU

oral irrigator

1. Name of the product in this design: Oral Irrigator. 2. Purpose of this design: An oral irrigator for rinsing the oral cavity. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.
Owner:HEILONGJIANG NURSING COLLEGE

Water pick main machine with waterproof function and water pick

The utility model discloses an oral irrigator main machine with a waterproof function and an oral irrigator, and relates to the technical field of oral irrigators, the oral irrigator main machine with the waterproof function comprises a shell, a first mounting hole and a second mounting hole, the shell is provided with an accommodating cavity, and the first mounting hole and the second mounting hole are respectively communicated with the accommodating cavity; the water pumping assembly is arranged in the containing cavity; the knob switch assembly comprises a knob piece; the water outlet pipe penetrates through the second mounting hole; the sealing assembly comprises a first sealing piece and a second sealing piece, the first sealing piece is arranged between the knob piece and the hole wall of the first mounting hole, and the second sealing piece is arranged between the water outlet pipe and the hole wall of the second mounting hole; the technical scheme provided by the utility model has the technical effects that the first sealing piece is arranged between the knob piece and the hole wall of the first mounting hole, and the second sealing piece is arranged between the water outlet pipe and the hole wall of the second mounting hole, so that the waterproof performance of the table type oral irrigator is improved.
Owner:JIANGXI RISUN TECH CO LTD

Water pick

The invention provides an oral irrigator capable of accelerating the evaporation speed of residual water drops in a water tank in a vertical posture and realizing effective drainage and ventilation. The oral irrigator (1) is provided with a body (10) and a water tank (20) detachably connected to the body (10), the lower end of the body (10) is formed into a cylindrical shape with an opening, the upper end of the water tank (20) is connected to the lower end of the body (10), the oral irrigator (1) can be switched among a first state, a second state and a third state, and when the oral irrigator is in the first state, the water tank (20) is in the second state. The water tank is connected to the body so that water cannot leak to the outside through the water tank, when the oral irrigator is in the second state, a drainage and ventilation path is formed between the water tank and the body, the drainage and ventilation path allowing air to circulate inside and outside the water tank and discharging water, and when the oral irrigator is in the third state, the water tank is not connected to the body.
Owner:PANASONIC WANBAO APPLIANCES BEAUTY & LIVING GUANGZHOU

Oral irrigator control method, control system and oral irrigator

The invention discloses an oral irrigator control method and system and an oral irrigator, and relates to the technical field of oral cavity cleaning.The control method comprises the steps that a target running program of the oral irrigator is determined; timing is started from running of the target running program; and when the current use duration meets a target condition corresponding to the target running program, providing a prompt to the user. By analyzing the historical habit data of the user, the individualized tooth washing interruption critical time point of the user is identified, and the encouraging prompt is triggered in advance when the use is close to the critical point. The intervention mechanism based on behavior pre-judgment provides forward excitation at the moment that the user is about to give up, so that the inherent interruption habit of the user is effectively broken, the inertia is overcome, and the continuous cleaning time is prolonged. The encouragement opportunity is completely set according to the behavior rule of the user, so that personalized guidance is realized, the average time length of using the oral irrigator for a single time is gradually prolonged, and bad habits are weakened.
Owner:JIANGXI RISUN TECH CO LTD

Oral irrigator and valve assembly thereof

The valve assembly comprises a valve body, a valve cover, a valve element, sealing rings arranged at the two ends of the valve element and a push button arranged on the valve body, the valve body and the valve element are each provided with a water passing channel, the valve assembly further comprises a valve plug with a water passing hole, when the push button does linear motion, the circumferential motion of the valve plug can be triggered, and when the push button does linear motion, the water passing channel is communicated with the water passing hole. And the water passing channels of the valve core and the valve body are communicated or not communicated. The push button is provided with a sliding rail, the valve body is provided with a sliding groove, and the sliding rail is located in the sliding groove. The push button is provided with a spiral sliding groove, the valve element is provided with a valve rod, and the valve rod is located in the spiral sliding groove. A notch is formed in the valve plug, the section of the end of the valve element is the same as that of the notch, and the notch and the valve element are sleeved. The valve body is provided with a plurality of water passing channels which are symmetrically arranged, the valve plug is provided with a plurality of water passing holes which are symmetrically arranged, and when the valve plug rotates, the water passing holes and the water passing channels can be staggered or overlapped. High-pressure liquid sealing is achieved, and force applied to the push button is reduced.
Owner:FLYCAT ELECTRICAL CO LTD

Water pump for oral irrigator and oral irrigator with water pump

The utility model discloses a water pump of an oral irrigator and the oral irrigator. The water pump of the oral irrigator comprises a water pump shell, the water outlet mechanism comprises a pump body and a water inlet connector, the water inlet connector is installed on the pump body, the pump body and the water inlet connector are both arranged in the water pump shell, the pump body is provided with a water outlet, the water inlet connector is provided with a water inlet, and the water inlet connector and the pump body jointly form a pump body water path communicating with the water inlet and the water outlet; the driving mechanism is mounted in the water pump shell, and the driving mechanism extends into the water path of the pump body and drives the water outlet mechanism to pump water to the water outlet; the water pump shell is provided with a via hole, the direction of the via hole is opposite to that of the water outlet, the water inlet connector is provided with a water inlet nozzle, and the water inlet nozzle extends out of the shell from the via hole. The water pump of the oral irrigator has the advantages of being good in sealing performance, high in reliability and the like.
Owner:BIXDO (SH) HEALTHCARE TECH CO LTD +1

Magnetic coding stepless speed regulation oral irrigator

The utility model discloses a magnetic coding stepless speed regulation oral irrigator, and relates to the technical field of oral irrigators. A mounting seat is arranged on the upper portion of the oral irrigator body, the lower portion of the flushing nozzle is mounted in the mounting seat, and the rotary control switch and the speed regulation control knob are both embedded into the left side surface of the oral irrigator body and mounted at the positions corresponding to magnetic elements on a circuit board mounted on the left side in the oral irrigator body. The battery is installed in the middle inside the oral irrigator body and electrically connected with the circuit board. An electric water pump is installed between the battery and the circuit board, a water inlet of the electric water pump is located at the bottom and connected with the water storage chamber, and a water outlet of the electric water pump is connected with the lower end of the flushing nozzle. A circuit magnetic coding and switch combined control structure is adopted, stepless speed regulation of water flow pulses in the oral irrigator is achieved, the most comfortable pulse water flow speed is regulated, and teeth and gingiva are protected while the cleaning effect is guaranteed.
Owner:SHENZHEN WEIJIE INTELLIGENT TECH CO LTD

Waterpik (Heart of the Ocean)

1. Name of the designed product: oral irrigator (ocean heart full drill). 2. Use of the designed product: for oral cleaning. 3. Design points of the designed product: in shape. 4. Pictures or photos that best show the design points: perspective view. 5. Other circumstances or explanations: the shell at A is made of transparent material.
Owner:SHENZHEN WANYINLI ENG TECH CO LTD

Waterpik (M249)

1. Name of the designed product: oral irrigator (M249). 2. Use of the designed product: for rinsing teeth. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.
Owner:侯正岑

Nozzle assembly of oral irrigator

The utility model relates to the technical field of oral irrigator manufacturing, and particularly discloses a nozzle assembly of an oral irrigator. The nozzle assembly of the oral irrigator comprises a nozzle part, a bent pipe part and a straight pipe part, a water outlet channel is formed in the spray head part; a water spraying opening communicated with the water outlet channel is formed in one end of the spraying head part; the bent pipe part is provided with a first connector and a second connector which are arranged at an included angle; the first connector is detachably connected with the end, away from the water spraying opening, of the spraying head part so that the water outlet channel can communicate with the interior of the bent pipe part. The second connector is detachably connected with one end of the straight pipe part, so that the bent pipe part is communicated with the interior of the straight pipe part; a clamping connector and a water inlet are arranged at the end, away from the bent pipe part, of the straight pipe part. According to the nozzle assembly of the oral irrigator, the manufacturing cost can be reduced, the problem that the clamping position of the nozzle is loosened due to too many insertion and extraction times is effectively solved, and the connection stability of the nozzle assembly is improved.
Owner:SUZHOU XINXINMEIZHI INTELLIGENT TECH CO LTD

Small-size driving module and oral irrigator

The invention relates to the field of oral irrigators, and provides a small-size driving module and an oral irrigator. The driving module comprises a frame body structure, a battery assembly and a water pump assembly; the water pump assembly and the battery assembly are arranged in the frame body structure in a spaced mode, the water pump assembly comprises a pump body, a piston, a transmission mechanism and a motor, the pump body comprises a first pump cavity, the piston is movably arranged in the first pump cavity and is in transmission connection with the motor through the transmission mechanism, and the axis of the first pump cavity is suitable for inclining towards one side of the battery assembly. The top of the water pump assembly approaches the battery assembly. The axis of the first pump cavity of the top pump body of the water pump assembly inclines towards one side of the battery assembly, so that the water pump assembly is partially overlapped above the battery assembly, and the top idle space of the battery assembly is effectively reused; and meanwhile, the water pump assembly is integrally close to the battery assembly, so that the space occupied by the pump body at the top of the frame body structure is remarkably reduced, and the compactness and the space utilization efficiency of the internal structure of the whole machine are greatly improved.
Owner:SHANGHAI FLYCO ELECTRICAL APPLIANCE

Water pick

The utility model relates to a water pick. The water pick comprises a body, a nozzle detachably connected with the body and a concentrated mouthwash supply mechanism detachably installed in the body. A cavity is formed in the inner side of the body, and the body further comprises a first opening and a second opening opposite to the first opening; the first opening is communicated with the cavity, so that a water injection port is formed when water is injected into the oral irrigator, the nozzle penetrates through the first opening and is contained in the cavity when the nozzle is contained, and the concentrated mouthwash supply mechanism penetrates through the first opening and is installed in the cavity when the concentrated mouthwash supply mechanism is installed; and the second opening is communicated with the cavity. According to the oral irrigator, the first opening communicated with the cavity is formed in the body, the first opening can form a water injection opening during water injection, the nozzle is stored in the cavity when the nozzle is stored, the concentrated mouthwash supply mechanism is installed in the cavity when the concentrated mouthwash supply mechanism is installed, and therefore other openings do not need to be additionally formed in the body, and the water injection efficiency is improved. Therefore, the number of openings and cavities can be reduced, and the manufacturing process is simplified.
Owner:SHENZHEN QIYINIAO TECH CO LTD

Multi-angle rotating nozzle device of handheld oral irrigator

The utility model discloses a multi-angle rotating spray head device of a handheld oral irrigator, relates to the technical field of handheld oral irrigators, and aims to solve the problems that a spray head of an existing handheld oral irrigator lacks a structure convenient to rotate and adjust, the angle cannot be adjusted according to actual use requirements, and the use is inconvenient. According to the technical scheme, the hand-held oral irrigator is characterized by comprising a hand-held oral irrigator body, a sleeve is installed on the outer side of the hand-held oral irrigator body, a clamping ring is fixedly connected to one end of the outer side of the sleeve, a nozzle is fixedly connected to the other end of the outer side of the sleeve, and a first clamping seat and a second clamping seat are arranged at the two ends of the outer side of the clamping ring respectively; same clamping grooves are formed in the first clamping base and the second clamping base. And the effect of convenient use is achieved.
Owner:SHENZHEN WEITAI ELECTRICAL TECHNOLOGY CO LTD

Multifunctional oral irrigator convenient to use

The utility model discloses a multifunctional oral irrigator convenient to use. The multifunctional oral irrigator comprises a cup body, a cup cover, a water pump and a nozzle. A water storage cavity is formed in the cup body, an opening in one end of the cup body forms a cup opening communicated with the water storage cavity, a water guide column extending to the cup opening from the bottom of the water storage cavity is arranged on the inner wall of the cup body, a water inlet communicated with the water storage cavity is formed in the lower end of the water guide column, and a water inlet channel extending to the upper end from the water inlet is formed in the water guide column; the cup cover detachably covers a cup opening of the cup body, a boss part penetrating into the cup opening is arranged in the cup cover, an inserting pipe matched with the upper end of the water inlet channel in an inserting mode is arranged outside the boss part, a mounting cavity is formed in the boss part, and a water outlet connector is formed in the top of the cup cover; the water pump is installed in the installation cavity, the input end of the water pump communicates with the inserting pipe, and the output end of the water pump is connected with the water outlet connector. The nozzle is detachably connected to the water outlet connector. The multifunctional oral irrigator can be used as an oral irrigator and a water cup, and is simpler to operate, more convenient to use, cleaner and more sanitary.
Owner:FOSHAN NANHAI DISTRICT FIFTH PEOPLES HOSPITAL (DALI HOSPITAL NANHAI DISTRICT FOSHAN CITY)

Handheld oral irrigator with multi-gear water pressure adjusting function

The utility model discloses a handheld oral irrigator with a multi-gear water pressure adjusting function, relates to the technical field of handheld oral irrigators, and aims to solve the problems that when an existing oral irrigator is used, the oral irrigator needs to be rotated by rotating a wrist frequently, wrist ache is easily caused, and the use comfort needs to be improved. A rotary communication base is fixedly installed at the upper end of the interior of the shell, a rotary end is rotationally connected to a rotary port of the rotary communication base, a flushing end is inserted into a port of the rotary end, a gear ring is fixedly connected to the outer portion of the rotary end in a sleeving mode, and a micro motor is fixedly installed in the shell. And a gear is fixedly mounted at one end of a rotating shaft of the micro motor and is in meshed connection with the gear ring. The effects that the oral irrigator can be conveniently controlled to rotate, the situation of wrist ache is avoided, and the use comfort is high are achieved.
Owner:SHENZHEN WEITAI ELECTRICAL TECHNOLOGY CO LTD

Oral cavity flushing device with mouth gag structure

The utility model relates to the technical field of oral cavity flushing, in particular to an oral cavity flushing device with a mouth gag structure, which comprises a graduated drum, a multifunctional tube and a support device, the inner surface of the graduated drum is slidably connected with a pusher, the multifunctional tube is mounted at one end of the graduated drum, and the support device is arranged on the surface of the graduated drum and comprises a bracket. The two brackets are arranged on the outer side of the graduated drum, a guide rod is fixedly connected between the two brackets, the surface of the guide rod is slidably connected with a supporting frame, the supporting frame is slidably connected with the surfaces of the brackets, the surface of the guide rod is fixedly connected with a main frame, the inner surface of the main frame is in threaded connection with a limiting rod, and the limiting rod is in inserted connection with the surface of the supporting frame. According to the oral cavity flushing device, through the arrangement of the supporting device, a worker can conveniently concentrate on flushing the oral cavity of a patient, the flushing efficiency of the worker is improved, and the flushing effect of the flushing device is improved.
Owner:WOMEN & CHILDRENS MEDICAL CENTER AFFILIATED WITH GUANGZHOU MEDICAL UNIVERSITY

Data processing method of oral irrigator, oral irrigator, storage medium and computer program product

The invention discloses a data processing method of an oral irrigator, the oral irrigator, a storage medium and a computer program product. The data processing method of the oral irrigator comprises the steps that multi-modal data generated in the operation process of the oral irrigator is acquired; inputting the multi-modal data into a preset encoder learning model, and performing compression encoding on the multi-modal data through the encoder learning model to generate corresponding potential representation data; and performing hierarchical storage on the potential characterization data so that external equipment can restore and extract the stored potential characterization data. The invention aims to solve the technical problems of short data storage, high energy consumption and low analysis value of the oral irrigator.
Owner:RISUN TECH (SHENZHEN) LTD

oral irrigator

1. Name of the product in this design: Oral Irrigator. 2. Purpose of this product design: For rinsing the oral cavity. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.
Owner:厦门医学院附属第二医院

Packaging box (A30 Pro-SE)

1.The name of the design product: packaging box (A30 Pro-SE). 2.The use of the design product: outer packaging box for oral irrigator. 3.The design points of the design product: the combination of shape, pattern and color. 4.The picture or photo that best shows the design points: perspective view. 5.The design claimed contains color.
Owner:BIXDO (SH) HEALTHCARE TECH CO LTD +1

Oral irrigator

An oral irrigator includes: an oral irrigator main body provided with a water storage cavity and a liquid outlet, a liquid adding mechanism detachably arranged on the oral irrigator main body and provided with a liquid storage cavity, a magnetic attraction mechanism for attracting the liquid adding mechanism with the oral irrigator main body, locking buckles for locking the liquid adding mechanism onto the oral irrigator main body, and release mechanisms for driving the locking buckles to move to release connection between the liquid adding mechanism and the oral irrigator main body when a user operates. When the liquid adding mechanism is assembled to the oral irrigator main body, the liquid storage cavity is in communication with the water storage cavity. The release mechanisms are also configured for driving the locking buckles to return to an initial state when the user releases the operation.
Owner:THUMBS UP INNOVATIONS TECH CO LTD

Oral mouth rinsing equipment capable of adjusting water pressure

The utility model relates to the technical field of gargling equipment, and discloses water pressure adjustable oral gargling equipment which comprises a device shell, a groove is formed in one side of the surface of the device shell, a prompting mechanism is fixedly arranged in the groove, and a device bottom plate is fixedly arranged at the bottom end of the device shell. A plurality of limiting grooves are fixedly formed in the top end of the device bottom plate, first springs are fixedly arranged in the limiting grooves, a pressing plate is fixedly arranged at the top ends of the first springs, a water outlet mechanism is fixedly arranged at the top end of the pressing plate, and an adjusting mechanism is fixedly arranged at the top end of the water outlet mechanism and comprises a connecting pipe. A sliding groove is formed in one side of the interior of the connecting pipe, and a sliding block is slidably connected into the sliding groove. According to the utility model, the water outlet mechanism, the adjusting mechanism, the prompting mechanism and the pressing plate are arranged, so that the water pressure is effectively and conveniently adjusted, and the function of prompting the equipment that the mouth wash is insufficient is added.
Owner:XIAN HENGRUI MEDICAL EQUIPMENT CO LTD

Nozzle and oral irrigator

The utility model relates to the technical field of tooth care, in particular to a nozzle and a water pick. The nozzle comprises a nozzle body, a water flow channel is arranged in the nozzle body and penetrates through the nozzle, a water inlet and a water outlet are formed in the nozzle, the water flow channel comprises a first flow channel and a second flow channel which are communicated, and the first flow channel is close to the water inlet; the first flow channel is provided with a first opening, the first flow channel is communicated with the second flow channel through the first opening, the second flow channel is provided with a second opening, the second flow channel is communicated with the first flow channel through the second opening, and the caliber of the first opening is larger than that of the second opening. The oral irrigator comprises the nozzle. The utility model provides a nozzle and a water pick. The technical problems that in the prior art, water pressure of a water column sprayed by a water pick is too large, so that a user feels uncomfortable, and even the oral cavity is injured are solved.
Owner:NICEFEEL MEDICAL DEVICE TECH CO LTD