CN110200749B - Softening and flushing device and method for earwax in external auditory canal - Google Patents

Softening and flushing device and method for earwax in external auditory canal Download PDF

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Publication number
CN110200749B
CN110200749B CN201910336779.7A CN201910336779A CN110200749B CN 110200749 B CN110200749 B CN 110200749B CN 201910336779 A CN201910336779 A CN 201910336779A CN 110200749 B CN110200749 B CN 110200749B
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earwax
flow channel
softening
inner tube
digital
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CN110200749A (en
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贾占伟
单春光
李凤艺
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Second Hospital of Hebei Medical University
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Second Hospital of Hebei Medical University
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/006Ear cleaners, e.g. curettes

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  • Life Sciences & Earth Sciences (AREA)
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  • Acoustics & Sound (AREA)
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  • Otolaryngology (AREA)
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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
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  • General Health & Medical Sciences (AREA)
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Abstract

The invention discloses a softening and flushing device and method for earwax in an external auditory canal, and relates to the technical field of ultrasonic cleaning and medical instruments. The invention relates to a softening and washing device for earwax in an external auditory canal, which comprises: the ultrasonic probe comprises an inner tube, a positioning ear sleeve, a liquid storage, an ultrasonic shielding component and a digital ultrasonic wave generation module. Based on the cavitation of digital ultrasonic wave, the ultrasonic wave is transmitted to the earwax position through the gas in the second flow channel, so that the earwax is quickly softened under the soaking of liquid (liquid medicine), the phenomenon that the liquid medicine needs to be dripped into the auditory canal for many times in the prior art, and the earwax can be taken out only by softening within several days is avoided.

Description

Softening and flushing device and method for earwax in external auditory canal
Technical Field
The invention relates to the technical field of ultrasonic cleaning and medical instruments, in particular to a softening and flushing device and method for earwax in an external auditory canal.
Background
The external auditory canal is stared and listened, commonly called "earwax", which is a substance secreted by the glands of the external auditory canal. The external auditory canal staring and listening is generally divided into dry and wet, the wet staring and listening is also called as oily auricle, and the oily auricle has the defects that the internal part of the external auditory canal is not easy to self-clean and is easy to accumulate together, and the oily auricle becomes hard along with the evaporation of water in staring and listening, so that the external auditory canal orifice is blocked, and the hearing is influenced. In addition, infants are easy to look at and listen to due to narrow ear canals, exuberant secretion, loose muscles, weakness of joint movement of lower collar and the like. Therefore, infants and people with oily ears need to be cleaned and stared regularly. However, self-cleaning and staring or taking improper methods can cause various complications, such as external auditory canal injury, external otitis, tympanic membrane perforation, etc., and doctors use professional equipment to wash the affected parts with professional methods.
The current mainstream external auditory canal flushing method is that a flushing device injects warm physiological saline against the back upper wall of the external auditory canal by adopting pressure, and stares and listens by removing water flow. This operation needs to be performed by a professional medical worker. Flushing devices typically employ 50ml syringes, while a number of patents (e.g., chinese patent, grant No.: CN100531811C, U.S. patent, No.4206756, No.5364343) disclose various types of flushing devices. The flushing device disclosed in the above patent is structurally different, but the principle is that the flushing device is removed from sight and listening by a pressurized water flow. However, people stare at different sizes, have different dryness and dampness, and are oily and difficult to wash out at one time. When staring and listening, if the washing cannot be completed at one time, the medicine must be dripped for several days, and the doctor is required to wash after softening. Therefore, the doctor needs to spend much labor, time and expense each time, and a certain burden is caused to the patient.
Therefore, it is significant to design a more convenient and effective device and method for softening and washing earwax in the external auditory canal.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a softening and washing device for earwax in the external auditory canal, which greatly shortens the time for soaking and softening the earwax in liquid (medicine liquid), so that the cleaning efficiency and safety are improved.
Another object of the present invention is to overcome the drawbacks of the prior art and to provide a softening and washing device for earwax in external auditory canal, which can effectively prevent the earwax from being damaged during the cerwax softening process by ultrasonic wave.
Particularly, the invention provides a softening and washing device for earwax in an external auditory canal, which comprises an inner tube, a positioning earwax sleeve, a liquid storage, an ultrasonic shielding component and a digital ultrasonic wave generation module;
the inner tube comprises a first end and a second end, the first end is used for extending into an external auditory canal, the first end is provided with an ultrasonic shielding component, the positioning earcap is arranged at the second end through a limiting knob, and the positioning earcap is used for limiting the depth of the inner tube extending into the external auditory canal;
a first flow channel and a second flow channel are arranged in the inner tube, a liquid outlet hole is formed in the position, close to the first end, of the side wall of the inner tube, outlets of the first flow channel and the second flow channel are arranged at the liquid outlet hole, and the other end of the first flow channel is communicated with the liquid storage device to convey liquid to the liquid outlet hole; the other end of the second flow channel is connected with a sealing box internally provided with a digital ultrasonic wave generation module, and the second flow channel is used for transmitting ultrasonic waves to the liquid outlet hole through gas in the second flow channel; at least part of the second flow channel is located inside the first flow channel, so that the liquid in the first flow channel covers part of the second flow channel;
ultrasonic shielding part installs first end, including keeping off cap and water-swelling adhesive tape, water-swelling adhesive tape cover is established first end with go out between the liquid hole on the inner tube outer wall, it is circular structure to keep off the cap, the middle part fixed mounting that keeps off the cap is in first end, the marginal part that keeps off the cap bonds water-swelling adhesive tape with go out between the liquid hole on the inner tube outer wall, the marginal part that keeps off the cap with inner tube outer wall junction is equipped with a plurality of passageways that absorb water, liquid passes through absorb water the passageway with water-swelling adhesive tape contacts, so that will after the water-swelling adhesive tape inflation the sticky tape is backed up out, thereby keep off the cap expansion and laminate with external auditory canal inner wall.
Optionally, an accommodating space is arranged in the blocking cap, and a suspension solution of nano-scale silica particles and water is arranged in the accommodating space;
the blocking cap is made of a silica gel material.
Optionally, the ultrasound shield member is removably mounted to the first end as a disposable member.
Optionally, a vacuum layer for shielding ultrasonic waves is arranged in the inner tube between the first end and the liquid outlet hole;
the gas pressure in the vacuum layer is lower than 1 KPa.
Optionally, the interior of the inner tube is closed, and the air pressure inside the inner tube is lower than 1 KPa.
Optionally, still include the outer tube, the movably cover of outer tube is established on the inner tube, be equipped with on the outer tube and be used for the restriction the outer tube is in the spacing knob of the position on the inner tube, the location earmuff is installed on the outer tube.
Optionally, a flange for fitting with earwax in the external auditory canal is arranged around the liquid outlet hole.
Optionally, the system further comprises a human-computer interaction module, which is used for being connected with the digital ultrasonic wave generation module through wireless or wired connection; the digital ultrasonic wave generating module is arranged in the sealing box, and a waterproof sound-transmitting material is arranged at the outlet of the second flow channel so as to prevent the liquid from flowing back into the second flow channel; the human-computer interaction module is used for setting parameters of the ultrasonic waves, and the parameters of the ultrasonic waves comprise frequency range, intensity and duration; the man-machine interaction module independently comprises a communication unit, a control unit and an input/output unit.
Optionally, the digital ultrasonic wave generating module is responsible for generating digital ultrasonic waves, the digital ultrasonic wave generating module is packaged in the sealing box, and the digital ultrasonic wave generating module independently comprises a communication unit, a control unit, a digital signal generating unit, a digital-to-analog conversion unit, a power amplifying unit, an ultrasonic transducer and a battery; the control unit is connected with the man-machine interaction module through the communication unit, controls the digital signal generating unit to generate digital signals in a corresponding frequency range according to input parameters of the man-machine interaction module, and outputs the digital signals to the digital-to-analog conversion unit to generate corresponding analog signals; meanwhile, the control unit controls the power amplification unit to amplify the analog signal to the strength set by the man-machine interaction module, and then the analog signal is output to the ultrasonic transducer to generate ultrasonic waves; the battery is responsible for supplying power to each unit of the digital ultrasonic wave generation module.
The invention also provides a softening and washing method of earwax in the external auditory canal, which adopts the softening and washing device for earwax in the external auditory canal to directly transmit ultrasonic waves to the earwax position through gas transmission, utilizes the cavitation of the ultrasonic waves to quickly soften the earwax, and prevents the earwax from being damaged by the ultrasonic waves through the ultrasonic wave shielding component; the method specifically comprises the following steps:
observing the position of earwax by using an otoscope, extending a softening and flushing device for earwax in the external auditory canal into the external auditory canal to enable a liquid outlet hole to face the earwax, placing a positioning earwax sleeve at a proper position and clamping the positioning earwax sleeve on an ear, and screwing a limit knob for fixing;
placing the liquid reservoir high or pressing the liquid reservoir so that the liquid flows to the earwax; the liquid is contacted with the water-swelling adhesive tape through the water absorption channel, so that the water-swelling adhesive tape is pushed open after swelling, and the blocking cap is unfolded and attached to the inner wall of the external auditory canal;
starting a digital ultrasonic wave generation module, and controlling ultrasonic wave parameters including frequency range, intensity and duration; the ultrasonic wave is directly transmitted to the earwax position, and the liquid of the earwax position generates micro gas nuclear cavitation bubbles to promote the softening of the earwax;
after the cerumen is completely softened, the positioning earmuff is taken down, the inner tube is pulled out, and the earwax is pushed out of the external auditory canal through the blocking cap.
The invention provides a softening and flushing device and a method for earwax in an external auditory canal, which are based on the cavitation of digital ultrasonic waves, and the ultrasonic waves are transmitted to an earwax position through gas in a second flow channel, so that the earwax is quickly softened under the soaking of liquid (medicine liquid), and the phenomenon that the earwax can be taken out only after the medicine liquid is dropped into the auditory canal for a plurality of times and the softening within a few days in the prior art is avoided.
The invention provides a softening and washing device and a softening and washing method for earwax in an external auditory canal, which are based on the cavitation of digital ultrasonic waves, so that the damage of the ultrasonic waves to eardrums is minimized.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic structural diagram of a softening and washing device for earwax in the external ear canal according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a softening and washing device for earwax in the external ear canal according to another embodiment of the present invention;
fig. 3 is a schematic structural view of an ultrasonic shielding component of a softening and washing device for earwax in the external auditory canal according to the present invention;
FIG. 4 is a schematic cross-sectional view at A-A of the ultrasonic shield member shown in FIG. 3;
fig. 5 is a schematic structural view of the ultrasonic shielding component of the softening washing device for earwax in the external auditory canal of the present invention after being unfolded;
fig. 6 is a schematic structural diagram of an ultrasonic shielding component of a softening and washing device for earwax in the external ear canal according to an embodiment of the present invention;
fig. 7 is a schematic expanded structure of an ultrasonic shielding component of a softening and washing device for earwax in the external ear canal according to an embodiment of the present invention.
The ultrasonic wave ultrasonic; the water-swellable adhesive tape 42, the water absorbing channel 43, the adhesive tape 44, the accommodating space 45, the inner tube interior 16, the vacuum layer 15, the flange 71, the outer tube 9, the man-machine interaction module 10 and the waterproof sound-transmitting material 17.
Detailed Description
Fig. 1 is a schematic structural diagram of a softening and washing device for earwax in the external ear canal according to an embodiment of the present invention. As shown in fig. 1, the present invention provides a softening washing device for earwax in external auditory canal, which generally comprises an inner tube 1, a positioning earmuff 2, a liquid storage 3, an ultrasonic wave shielding component 4 and a digital ultrasonic wave generating module 5. The inner tube 1 comprises a first end 11 and a second end 12. The first end 11 is used to extend into the external ear canal near the tympanic membrane, or the first end 11 extends deep into a position between the earwax and the tympanic membrane. The first end 11 is mounted with the ultrasonic shielding member 4. The ultrasonic wave shielding member 4 serves to prevent or reduce the vibration of the ultrasonic wave transmitted to the tympanic membrane. The positioning ear cap 2 is arranged at the second end 12 through a limit knob 6, and the positioning ear cap 2 can move on the second end 12 and be fixed at a proper position. The positioning ear cap 2 serves to define the depth to which the inner tube 1 is to be extended into the external auditory canal. That is, when stretching the inner tube 1 into the proper depth in the external auditory canal, will fix a position the earmuff 2 card on the auricle to fix the position the earmuff 2 on the inner tube 1 through the spacing knob 6, make to stretch into the depth of external auditory canal to the inner tube 1 and fix. The inner tube 1 is made of metal, glass or resin material, and has a diameter suitable for extending into the external auditory canal.
A first flow channel 13 and a second flow channel 14 are provided in the inner tube 1. The side wall of the inner tube 1 is provided with a liquid outlet 7 near the first end 11. The outlets of the first flow channel 13 and the second flow channel 14 are arranged at the liquid outlet 7. The other end of the first flow channel 13 communicates with the liquid reservoir 3 for delivering liquid to the exit opening 7. The other end of the second flow channel 14 is connected to the sealing box 8 in which the digital ultrasonic wave generating module 5 is built. The second flow channel 14 is used for transmitting ultrasonic waves to the liquid outlet hole 7 through the gas in the second flow channel 14. In order to prevent the liquid at the liquid outlet 7 from entering the second flow channel 14, a waterproof sound-transmitting material 17 is provided at the outlet of the second flow channel 14 to prevent the liquid from flowing backward into the second flow channel 14. The waterproof sound-transmitting material 17 is a high-molecular film waterproof material such as a breathing paper, and a coupling surface of ultrasonic waves and liquid can be increased, so that the energy of the ultrasonic waves can be better transmitted to the liquid at the liquid outlet 7. The first flow channel 13 and the second flow channel 14 may be arranged side by side or may be arranged in a sleeve type. As shown in fig. 1, with the sleeve-type arrangement, at least part of the second flow channel 14 is located inside the first flow channel 13, so that the liquid in the first flow channel 13 coats part of the second flow channel 14. By adopting the sleeve type arrangement, the liquid can cover the second flow channel 14 of the liquid coating part, and the liquid can play a role in blocking the ultrasonic wave from being transmitted into the auditory canal, so that the energy transmitted into the auditory canal by the ultrasonic wave is reduced, the energy of the ultrasonic wave is transmitted to the liquid outlet hole 7 in a larger way, and the efficiency is improved. Here, at least part of the second flow channel 14 means that the second flow channel 14 included in the inner tube 1 is covered with the first flow channel 13. Because the outlet of the second flow channel 14 is arranged at the outlet of the first flow channel 13, and the outlet of the second flow channel 14 is arranged in the outlet of the first flow channel 13, the ultrasonic wave is directly transmitted to the vicinity of earwax at the liquid outlet 7 via the gas in the second flow channel 14, so that the ultrasonic wave directly acts on the liquid near the earwax, the use efficiency of the ultrasonic wave is improved, and the softening effect of the ultrasonic wave with lower power on the earwax can be realized, so that the adverse effect of the ultrasonic wave on the eardrum is further reduced. A flange 71 for fitting with earwax in the external auditory canal is arranged around the liquid outlet 7, and the flange 71 enables liquid to better contact with the earwax after flowing out from the liquid outlet 7.
Fig. 3 is a schematic structural view of an ultrasonic shielding member of a softening and washing device for earwax in the external ear canal according to the present invention. Fig. 5 is a schematic structural view of the ultrasonic shielding member of the softening and washing device for earwax in the external ear canal according to the present invention after being unfolded. As shown in fig. 3 and 5, the ultrasonic shield member 4 is mounted on the end of the first end 11 and includes a cap 41 and a water-swellable adhesive tape 42. The water-swellable adhesive tape 42 is sleeved on the outer wall of the inner tube 1 between the first end 11 and the liquid outlet 7. The retainer cap 41 has a circular configuration. The retaining cap 41 is made of a silicone material. The middle of the retaining cap 41 is fixedly mounted on the end of the first end 11. The edge portion of the blocking cap 41 is adhered to the outer wall of the inner tube 1 between the water-swellable adhesive tape 42 and the liquid outlet hole 7 by an adhesive tape 44. The bonding part of the edge part of the retaining cap 41 and the outer wall of the inner tube 1 is provided with a plurality of water absorbing channels 43. The water absorbing channel 43 forms a plurality of capillary structures, so that liquid can contact with the water-swellable adhesive tape 42 through the water absorbing channel 43, and the edge part of the blocking cap 41 is pushed (spread) away from the adhesive tape 44 after the water-swellable adhesive tape 42 is swollen, so that the blocking cap 41 is unfolded and attached to the inner wall of the external auditory canal. The shape of the cap 41 after deployment corresponds to the cross-section of the external auditory canal. Thus, the cap 41 prevents the ultrasonic waves from being transmitted deeper into the ear canal (e.g., at the tympanic membrane) when deployed. As shown in fig. 4, which is a cross-sectional view taken along line a-a of fig. 3, the water absorbing passages 43 are uniformly distributed on the outer wall of the inner tube 1, and the water-swellable adhesive tape 42 is in a continuous ring shape, so that when a certain place absorbs water through the water absorbing passages 43, the whole water-swellable adhesive tape 42 can absorb water and swell.
The ultrasonic shield member 4 may be detachably attached to the first end 11 as a disposable member. And the inner tube 1 and other parts can be placed in a disinfection cabinet for disinfection and reuse.
Further, in another embodiment, as shown in fig. 6 and 7, an accommodating space 45 is provided in the blocking cap 41. The accommodating space 45 is filled with a suspension of nano-scale silica particles and water. When the ultrasonic wave is transmitted through the accommodating space 45, the ultrasonic energy enables the nano-scale silicon dioxide particles and the suspension solution of water to vibrate, and the ultrasonic energy is absorbed through mutual collision among the nano-scale silicon dioxide particles, so that the ultrasonic energy is weakened rapidly, and the ultrasonic wave is further shielded.
Further, a vacuum layer 15 for shielding ultrasonic waves is arranged in the inner tube 1 between the first end 11 and the liquid outlet hole 7. The pressure in the vacuum layer 15 is below 1 KPa. It should be noted that the pressure in the vacuum layer 15 limited herein is lower than 1KPa, which is defined based on the material of the inner tube 1. The lower the gas pressure in the vacuum layer 15, the stronger its ability to shield ultrasonic waves. When the inner tube 1 is made of glass, the air pressure in the vacuum layer 15 is lower than 1 KPa; when the inner tube 1 is made of stainless steel, the pressure in the vacuum layer 15 may be lower than 0.1 KPa. Further, the inner tube interior 16 is closed, and the air pressure inside the inner tube interior 16 is lower than 1KPa, so that the ultrasonic wave can be further shielded.
In another embodiment, as shown in fig. 2, an outer tube 9 is further included. The outer tube 9 is movably sleeved on the inner tube 1, and the outer tube 9 is provided with a limit knob 6 for limiting the position of the outer tube 9 on the inner tube 1. The positioning ear muff 2 is mounted on the outer tube 9. The outer tube 9 can be made of silica gel, so that the use comfort of the softening and flushing device can be improved.
The softening and washing device for earwax in the external auditory canal provided by the invention further comprises a human-computer interaction module 10, which is used for being connected with the digital ultrasonic wave generation module 5 in a wireless or wired mode. The digital ultrasonic wave generating module 5 is placed in a sealed box 8. A waterproof sound-transmitting material 17 is arranged at the outlet of the second flow passage 14 to prevent liquid from flowing back into the second flow passage 14. The human-computer interaction module 10 is used for setting parameters of the ultrasonic waves, wherein the parameters of the ultrasonic waves include frequency range, intensity and duration. The human-computer interaction module 10 independently comprises a communication unit, a control unit and an input-output unit. The digital ultrasonic wave generating module 5 is responsible for generating digital ultrasonic waves, the digital ultrasonic wave generating module 5 is packaged in the sealing box 8, and the digital ultrasonic wave generating module 5 independently comprises a communication unit, a control unit, a digital signal generating unit, a digital-to-analog conversion unit, a power amplifying unit, an ultrasonic transducer and a battery; the control unit is connected with the man-machine interaction module through the communication unit, controls the digital signal generating unit to generate digital signals in a corresponding frequency range according to input parameters of the man-machine interaction module, and outputs the digital signals to the digital-to-analog conversion unit to generate corresponding analog signals; meanwhile, the control unit controls the power amplification unit to amplify the analog signal to the strength set by the man-machine interaction module, and then the analog signal is output to the ultrasonic transducer to generate ultrasonic waves. The battery is responsible for supplying power to each unit of the digital ultrasonic wave generation module.
The man-machine interaction module of the softening and washing device for earwax in the external auditory canal comprises a communication unit (which can adopt a wireless or wired communication mode), a control unit and an input and output unit (such as a display screen, an LED lamp and a key). The man-machine interaction module can also be replaced by other types of terminal equipment (such as a remote controller, a mobile phone and a computer). The human-computer interaction module is used for setting parameters of the ultrasonic waves, including frequency range, intensity and duration. The digital ultrasonic wave generating module 5 comprises a communication unit (which can adopt a wireless or wired communication mode), a control unit, a digital signal generating unit, a digital-to-analog conversion unit, a power amplifying unit, an ultrasonic transducer and a battery. The control unit is connected with the man-machine interaction module through the communication unit, controls the digital signal generating unit to generate digital signals in a corresponding frequency range according to input parameters of the man-machine interaction module, and outputs the digital signals to the digital-to-analog conversion unit to generate corresponding analog signals. The control unit controls the power amplification unit to amplify the analog signals to the strength set by the man-machine interaction module, and then the analog signals are output to the ultrasonic transducer to generate ultrasonic waves. The battery is responsible for supplying power to each unit of the digital ultrasonic wave generation module. The digital ultrasonic wave generating module is responsible for generating digital ultrasonic waves and is packaged in the sealing box 8, so that the ultrasonic waves generated by the digital ultrasonic wave generating module are transmitted to the liquid outlet hole 7 through the gas in the second flow channel 14.
The softening and flushing device for earwax in the external auditory canal directly transmits ultrasonic waves to the earwax position through gas transmission, liquid quickly softens the earwax by utilizing the cavitation of the ultrasonic waves, and the earwax (tympanic membrane) is prevented from being damaged by the ultrasonic waves through the ultrasonic wave shielding part 4.
The invention provides a softening and washing device for earwax in an external auditory canal, which comprises the following steps of:
observing the position of earwax by using an otoscope, extending a softening and flushing device for earwax in the external auditory canal into the external auditory canal, enabling the liquid outlet 7 to face towards the earwax, placing the positioning earmuff 2 at a proper position and clamping the earwax on the ear, and screwing the limiting knob 6 for fixing;
placing the liquid reservoir 3 at a high position or squeezing the liquid reservoir 3 so that the liquid flows to the earwax; the liquid is contacted with the water-swelling adhesive tape 42 through the water absorption channel 43, so that the adhesive tape 44 is pushed open after the water-swelling adhesive tape 42 is swelled, and the blocking cap 41 is unfolded and attached to the inner wall of the external auditory canal;
starting the digital ultrasonic wave generation module 5, and controlling ultrasonic wave parameters including frequency range, intensity and duration; the ultrasonic wave is directly transmitted to the earwax position, and the liquid of the earwax position generates micro gas nuclear cavitation bubbles to promote the softening of the earwax;
after the cerumen is completely softened, the positioning earmuff 2 is taken down, the inner tube 1 is pulled out, and the cerumen is pushed out of the external auditory canal through the protective cap 41.
In the process of pulling out the inner tube 1, the cap 41 is made of soft silicone material and is adapted to the inner wall of the ear canal, so that the cap 41 can scrape out (push out) the softened cerumen along with the pulling out of the inner tube.
According to the softening and flushing device and the method for earwax in the external auditory canal, which are provided by the invention, based on the cavitation action of digital ultrasonic waves, ultrasonic waves are transmitted to the earwax position through gas in the second flow passage, so that the earwax is quickly softened under the soaking of liquid (medicine liquid), and the phenomenon that the earwax can be taken out only after the medicine liquid is dropped into the auditory canal for many times and the softening within several days in the prior art is avoided.
The invention provides a softening and flushing device and a softening and flushing method for earwax in an external auditory canal, which are based on the cavitation of digital ultrasonic waves, are provided with an ultrasonic wave shielding part 4 to prevent the damage of the ultrasonic waves to eardrum membranes (tympanic membranes), and the damage of the ultrasonic waves to the eardrum membranes is minimized through the design of a multiple shielding structure.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.

Claims (9)

1. A softening and washing device for earwax in the external ear canal, comprising: the ultrasonic probe comprises an inner tube, a positioning ear sleeve, a liquid storage, an ultrasonic shielding component and a digital ultrasonic generating module;
the inner tube comprises a first end and a second end, the first end is used for extending into an external auditory canal, the first end is provided with an ultrasonic shielding component, the positioning earcap is arranged at the second end through a limiting knob, and the positioning earcap is used for limiting the depth of the inner tube extending into the external auditory canal;
a first flow channel and a second flow channel are arranged in the inner tube, a liquid outlet hole is formed in the position, close to the first end, of the side wall of the inner tube, outlets of the first flow channel and the second flow channel are arranged at the liquid outlet hole, and the other end of the first flow channel is communicated with the liquid storage device to convey liquid to the liquid outlet hole; the other end of the second flow channel is connected with a sealing box internally provided with a digital ultrasonic wave generation module, and the second flow channel is used for transmitting ultrasonic waves to the liquid outlet hole through gas in the second flow channel; at least part of the second flow channel is located inside the first flow channel, so that the liquid in the first flow channel covers part of the second flow channel;
ultrasonic shielding part installs first end, including keeping off cap and water-swelling adhesive tape, water-swelling adhesive tape cover is established first end with go out between the liquid hole on the inner tube outer wall, it is circular structure to keep off the cap, the middle part fixed mounting that keeps off the cap is in first end, the marginal part that keeps off the cap bonds water-swelling adhesive tape with go out between the liquid hole on the inner tube outer wall, the marginal part that keeps off the cap with inner tube outer wall junction is equipped with a plurality of passageways that absorb water, liquid passes through absorb water the passageway with water-swelling adhesive tape contacts, so that after the water-swelling adhesive tape inflation with the sticky tape back open, thereby keep off the cap and expand and laminate with external auditory canal inner wall.
2. The softening washing device for earwax in the external ear canal of claim 1, wherein the interior of the wall of the visor in the thickness direction is provided with an accommodating space, and the accommodating space is filled with a suspension solution of nano-scale silica particles and water;
the blocking cap is made of a silica gel material.
3. The softening irrigation device for earwax of the external ear canal of claim 1 or 2, wherein the ultrasonic shielding member is detachably mounted at the first end as a disposable member.
4. The softening and washing apparatus for earwax in the external ear canal of claim 1 or 2, wherein a vacuum layer for shielding ultrasonic waves is disposed in the inner tube between the first end and the liquid outlet hole;
the gas pressure in the vacuum layer is lower than 1 KPa.
5. The softening irrigation device for earwax in the external ear canal according to claim 1 or 2, wherein the inner tube interior is closed, and the air pressure inside the inner tube interior is lower than 1 KPa.
6. The softening and washing device for earwax in the external auditory canal of claim 1 or 2, further comprising an outer tube movably sleeved on the inner tube, wherein the outer tube is provided with a limit knob for limiting the position of the outer tube on the inner tube, and the positioning earwax is mounted on the outer tube.
7. The softening and washing device for earwax in the external ear canal of claim 1 or 2, wherein a flange for fitting with earwax in the external ear canal is provided around the liquid outlet hole.
8. The softening and washing device for earwax in the external ear canal of claim 1 or 2, further comprising a human-computer interaction module for connecting with the digital ultrasonic wave generation module wirelessly or by wire; the digital ultrasonic wave generating module is arranged in the sealing box, and a waterproof sound-transmitting material is arranged at the outlet of the second flow channel so as to prevent the liquid from flowing back into the second flow channel; the human-computer interaction module is used for setting parameters of the ultrasonic waves, and the parameters of the ultrasonic waves comprise frequency range, intensity and duration; the man-machine interaction module independently comprises a communication unit, a control unit and an input/output unit.
9. The softening and washing device for earwax in external auditory canal of claim 8, wherein the digital ultrasonic wave generating module is responsible for generating digital ultrasonic waves, the digital ultrasonic wave generating module is packaged in the sealed box, and the digital ultrasonic wave generating module independently comprises a communication unit, a control unit, a digital signal generating unit, a digital-to-analog conversion unit, a power amplifying unit, an ultrasonic transducer and a battery; the control unit is connected with the man-machine interaction module through the communication unit, controls the digital signal generating unit to generate digital signals in a corresponding frequency range according to input parameters of the man-machine interaction module, and outputs the digital signals to the digital-to-analog conversion unit to generate corresponding analog signals; meanwhile, the control unit controls the power amplification unit to amplify the analog signal to the strength set by the man-machine interaction module, and then the analog signal is output to the ultrasonic transducer to generate ultrasonic waves; the battery is responsible for supplying power to each unit of the digital ultrasonic wave generation module.
CN201910336779.7A 2019-04-25 2019-04-25 Softening and flushing device and method for earwax in external auditory canal Expired - Fee Related CN110200749B (en)

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CN111920583B (en) * 2020-09-19 2022-04-08 甘肃省第二人民医院 Earwax cleaning device for ear-nose-throat department

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