An ear canal cleaning device for otolaryngological examination

Abstract

The application relates to the technical field of medical examination equipment, and discloses an ear canal cleaning device for otolaryngology detection, which comprises a bottom plate. The reduction motor and the first bevel gear can drive the second bevel gear and the limiting sheet at the top of the second bevel gear to rotate synchronously. The probe tube at the top of the limiting sheet and the silica gel spiral sheet can be inserted into the ear canal of a patient. The infusion tube penetrating through the probe tube directly performs flushing operation on the ear canal of the patient. The rotating probe tube and the silica gel spiral sheet contact the ear canal wall of the patient, scrape off the earwax attached to the ear canal wall, the rotation direction of the spiral silica gel sheet is counterclockwise rotation, the flushing liquid can be synchronously guided out of the ear canal together with the earwax, the efficiency of cleaning the ear canal of the patient is improved, the material of the silica gel spiral sheet is skin-friendly silica gel, the silica gel spiral sheet can deform along with the shape of the ear canal, and the probability of damaging the ear canal is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical examination equipment, in particular to an ear canal cleaning device for otolaryngology detection. BACKGROUND

[0002] Before ear examination in otolaryngology, the ear canal needs to be cleaned to remove earwax attached to the ear canal wall, so as to facilitate the insertion of an otoscope into the ear canal for examination.

[0003] At present, ear canal cleaning in otolaryngology mainly relies on traditional flushing method, suction method or manual instrument scraping, but these methods have obvious limitations: traditional flushing method is difficult to remove stubborn earwax by water flow impact, and is easy to cause earwax accumulation towards the tympanic membrane; suction method can extract part of loose earwax, but the effect of removing attached compact cerumen is poor, and improper negative pressure control can easily cause tympanic membrane damage; when using cerumen hook and other metal instruments for manual scraping, due to the curved shape of the ear canal and the fragile skin of the inner wall, the limited operation field of view is easy to scratch the ear canal and even perforate the tympanic membrane, especially when the earwax is hard or deep, the risk is higher, although there are individual attempts of electric rotating cleaning devices in the prior art, but most of them use rigid materials and lack of position limiting protection, the rotating parts are easy to lose control and swing in the ear canal, which cannot adapt to the physiological curvature of the ear canal, cannot ensure the coordination of the rotation direction and the earwax removal path, and cannot solve the problem of synchronous cooperation of flushing and mechanical removal, resulting in low cleaning efficiency and prominent safety hazards. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides an ear canal cleaning device for otolaryngology detection, which comprises a reduction motor and a first bevel gear, which can drive a second bevel gear and a limiting piece at the top of the second bevel gear to rotate synchronously, including a probe tube at the top of the limiting piece and a silica gel spiral piece, the probe tube and the silica gel spiral piece can be inserted into the ear canal of the patient, the infusion tube penetrating through the probe tube directly flushes the ear canal of the patient, and the rotating probe tube and silica gel spiral piece contact the ear canal wall of the patient to scrape the earwax attached to the ear canal wall, while the rotation direction of the spiral silica gel piece is counterclockwise, which can guide the flushing liquid and earwax out of the ear canal synchronously, improve the efficiency of cleaning the ear canal of the patient, and the material of the silica gel spiral piece is skin-friendly silica gel, which can deform with the shape of the ear canal and reduce the probability of damaging the ear canal.

[0005] To solve the above technical problems, the application provides the following technical scheme: an ear canal cleaning device for otolaryngology detection, comprising a bottom plate, a fixed column is fixedly connected to the middle of the top left side of the bottom plate, a storage tank is fixedly connected to the inside of the fixed column, a sealing cover is arranged on the top of the storage tank, a gas delivery pipe is fixedly connected to the inside right side of the sealing cover, a gas pump is fixedly connected to the end of the gas delivery pipe away from the sealing cover, the bottom of the gas pump is fixedly connected to the middle of the top right side of the bottom plate, a liquid delivery pipe is fixedly connected to the inside left side of the gas delivery pipe, a liquid injection pipe is fixedly connected to the inside upper rear side of the storage tank, and a hand valve is fixedly connected to the middle of the liquid injection pipe;

[0006] The end of the liquid delivery pipe away from the sealing cover is fixedly connected with an ear canal cleaning pen, a probe pipe is rotatably connected to the inside upper part of the ear canal cleaning pen, the surface of the probe pipe is provided with a silica gel spiral piece, a limiting piece is fixedly connected to the bottom of the probe pipe, a second bevel gear is fixedly connected to the bottom of the limiting piece, the inner wall of the probe pipe is rotatably connected to the outside top end of the liquid delivery pipe, an electric machine shell is fixedly connected to the upper left end face of the ear canal cleaning pen, a press switch is arranged on the left end face of the electric machine shell, a speed reducer is fixedly connected to the inside of the electric machine shell, the press switch is electrically connected with the speed reducer, a driving wheel is fixedly connected to the output end of the speed reducer, a first bevel gear is rotatably connected to the left upper side of the inner wall of the ear canal cleaning pen, the upper part of the first bevel gear is meshed with the lower left side of the second bevel gear, a driven wheel is fixedly connected to the right end face of the first bevel gear, a transmission belt is arranged between the driving wheel and the driven wheel, a clamping ring is fixedly connected to the right upper side of the inner wall of the ear canal cleaning pen, and the inside of the clamping ring is fixedly connected with the outside of the liquid delivery pipe in the ear canal cleaning pen;

[0007] A controller is fixedly connected to the lower left side in the ear canal cleaning pen, an electromagnetic push rod is fixedly connected to the right end face of the controller, a flow breaking block is fixedly connected to the output end of the electromagnetic push rod, a fixing ring is fixedly connected to the lower right side of the inner wall of the ear canal cleaning pen, and the left side of the fixing ring and the right end face of the flow breaking block are both in contact with the outside of the liquid delivery pipe in the ear canal cleaning pen;

[0008] A waste water tank is fixedly connected to the upper left end face of the ear canal cleaning pen, a hollow strip is fixedly connected to the upper middle in the waste water tank, a spring piece is fixedly connected to the lower part in the hollow strip, a sliding strip is fixedly connected to the top end of the spring piece, and the sliding strip is slidably connected with the inside of the hollow strip.

[0009] Preferably, the gas inlet pipe and the bottom end of the liquid inlet pipe inside the storage tank are below the inside of the storage tank, and the bottom end of the gas inlet pipe and the bottom end of the liquid inlet pipe are in parallel, a sealing ring is arranged below the outside of the sealing cover, the gas pump can apply pressure to the flushing liquid in the storage tank, the flushing liquid can flow through the liquid inlet pipe which is also deep into the bottom on the left side of the inside of the storage tank, and the flushing liquid can be prevented from directly entering the water pump and then flowing to the patient's ear canal through the liquid inlet pipe.

[0010] Preferably, a through hole is arranged in the inside upper middle of the ear canal cleaning pen, the diameter of the through hole is matched with the diameter of the transverse section of the probe tube, the probe tube and the silicone spiral piece rotate counterclockwise under the drive of the speed reducer, the rotating probe tube and the silicone spiral piece contact the ear canal wall of the patient, and the earwax attached to the ear canal wall is scraped off, and the rotating direction of the spiral silicone piece is counterclockwise, so that the flushing liquid is synchronously guided out of the ear canal together with the earwax, and the efficiency of cleaning the ear canal of the patient is improved.

[0011] Preferably, a through hole is arranged in the inside upper middle of the ear canal cleaning pen, the diameter of the through hole is matched with the diameter of the transverse section of the probe tube, the probe tube and the silicone spiral piece rotate counterclockwise under the drive of the speed reducer, the rotating probe tube and the silicone spiral piece contact the ear canal wall of the patient, and the earwax attached to the ear canal wall is scraped off, and the rotating direction of the spiral silicone piece is counterclockwise, so that the flushing liquid is synchronously guided out of the ear canal together with the earwax, and the efficiency of cleaning the ear canal of the patient is improved.

[0012] Preferably, the press switch controls the start and stop of the speed reducer, and the speed reducer starts under the premise that the press switch is pressed, and the speed reducer stops under the premise that the press switch is released, the press switch is used to control the start and stop of the speed reducer, and doctors can operate according to actual conditions.

[0013] Preferably, the driving wheel and the driven wheel are in a vertical state, and the transverse section of the driving wheel is in a I shape and the transverse section of the driven wheel is in a convex shape, so that the transmission belt provides linkage between the driving wheel and the driven wheel, and prevents the transmission belt from being disconnected due to deviation during operation.

[0014] Preferably, the controller is in electrical connection with the electromagnetic push rod, the controller controls the extension and retraction of the electromagnetic push rod, the electromagnetic push rod extends to the right under the premise that the switch on the left end surface of the controller is pressed, and the electromagnetic push rod retracts to the left under the premise that the switch on the left end surface of the controller is released, and the cut-off block is in a horizontal and vertical state with the fixed ring, so that the electromagnetic push rod drives the cut-off block to move to the left side of the fixed ring, the liquid inlet pipe between the cut-off block and the fixed ring is squeezed, the flow of the flushing liquid in the liquid inlet pipe is cut off, and doctors can cut off the flushing liquid in the ear canal for a short time.

[0015] Preferably, the hollow strip and the sliding strip are both semicircular in transverse section shape, and a circular hole is formed in the top of the wastewater tank, the diameter of the circular hole matches the inner diameter of the hollow strip, and the overflowed irrigation liquid from the ear canal can be collected, the irrigation liquid flows into the wastewater tank along the sliding strip and the hollow strip, avoiding the situation that the irrigation liquid after cleaning the patient's ear canal flows outward without guidance and finally drops on the ground.

[0016] Preferably, a groove is formed in the hollow strip from top to bottom, the transverse section shape of the groove matches the transverse section shape of the sliding strip, and the spring sheet and the sliding strip are both inside the groove formed in the hollow strip, and a rubber layer is arranged on the top end of the sliding strip, so that the sliding strip can be retracted into the hollow strip after the probe penetrates into the ear canal, and the sliding strip is always in close contact with the patient's cheek.

[0017] Compared with the prior art, the ear canal cleaning device for otolaryngology detection has the following beneficial effects:

[0018] 1. Compared with the prior art, the speed reducer and the first bevel gear can drive the second bevel gear and the limiting sheet at the top of the second bevel gear to rotate synchronously, the probe and the silica gel spiral sheet at the top of the limiting sheet can be inserted into the patient's ear canal, the infusion tube penetrating through the probe can directly perform the irrigation operation on the patient's ear canal, and the rotating probe and silica gel spiral sheet contact the ear canal wall of the patient to scrape off the earwax attached to the ear canal wall, the rotation direction of the spiral silica gel sheet is counterclockwise, the irrigation liquid can be guided out of the ear canal together with the earwax, the efficiency of cleaning the patient's ear canal is improved, and the silica gel spiral sheet is made of skin-friendly silica gel, which can deform along with the shape of the ear canal and reduce the probability of damaging the ear canal.

[0019] 2. Compared with the prior art, the storage tank and the air pump can apply pressure to the irrigation liquid in the storage tank by the air pump, so that the irrigation liquid flows through the infusion tube which is also deeply inserted into the bottom on the left side in the storage tank, which can avoid the situation that the irrigation liquid directly enters the water pump and then flows to the patient's ear canal through the infusion tube, and prevent the internal structure of the water pump from rusting after long-term use and contaminating the irrigation liquid.

[0020] 3. Compared with the prior art, the controller and the fixing ring can control the electromagnetic push rod to drive the flow interruption block to move to the left side of the fixing ring, so as to extrude the infusion tube between the flow interruption block and the fixing ring and cut off the flow of the irrigation liquid in the infusion tube, which can facilitate the doctor to cut off the irrigation liquid to the ear canal for a short time, and can also close the air pump after cutting off the flow of the irrigation liquid for a short time, avoiding the situation that the irrigation liquid continuously sprays out of the probe during the time period when the doctor closes the air pump, causing waste of the irrigation liquid.

[0021] 4. Compared with the prior art, the hollow strip and the sliding strip are designed, the washing liquid overflowing from the ear canal is collected, the washing liquid enters the wastewater tank along the sliding strip and the hollow strip, the spring sheet is arranged below the hollow strip, the spring sheet provides elastic force for the sliding strip, the sliding strip is retracted into the hollow strip after the probe is inserted into the ear canal, the sliding strip is always close to the patient's cheek, the washing liquid after washing the patient's ear canal is effectively prevented from flowing outward without being guided, and finally drops on the ground. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is an overall structure schematic view of the application;

[0023] Figure 2 It is an overall longitudinal section structure schematic view of the fixed column and the storage tank of the application;

[0024] Figure 3 It is a longitudinal section structure schematic view of the ear canal cleaning pen of the application;

[0025] Figure 4 It is an explosion structure schematic view of the motor shell and the reduction motor of the application;

[0026] Figure 5 It is a longitudinal flip 180 structure schematic view of the first bevel gear and the second bevel gear of the application;

[0027] Figure 6 It is a horizontal rotation 180 structure schematic view of the motor shell of the application;

[0028] Figure 7 It is a horizontal rotation 180 structure schematic view of the controller and the fixed ring of the application;

[0029] Figure 8 It is a longitudinal section structure schematic view of the wastewater tank and the hollow strip of the application.

[0030] Wherein: 1, bottom plate; 2, fixed column; 201, storage tank; 202, sealing cover; 203, gas conveying pipe; 204, gas pump; 205, liquid conveying pipe; 206, liquid injection pipe; 207, manual valve; 3, ear canal cleaning pen; 301, probe; 302, silica gel spiral sheet; 303, limiting sheet; 304, motor shell; 305, driving wheel; 306, first bevel gear; 307, driven wheel; 308, transmission belt; 309, snap ring; 310, reduction motor; 311, second bevel gear; 312, press switch; 4, wastewater tank; 401, hollow strip; 402, sliding strip; 403, spring sheet; 5, fixed ring; 501, controller; 502, electromagnetic push rod; 503, flow breaking block. DETAILED DESCRIPTION

[0031] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present application.

[0032] With reference to Figures 1 to 8 The ear cleaning device for otolaryngology detection provided by the application comprises a bottom plate 1, a fixed column 2 is fixedly connected to the middle of the top left side of the bottom plate 1, a storage tank 201 is fixedly connected to the inside of the fixed column 2, a sealing cover 202 is arranged on the top of the storage tank 201, a gas delivery pipe 203 is fixedly connected to the inside right side of the sealing cover 202, a gas pump 204 is fixedly connected to the end of the gas delivery pipe 203 away from the sealing cover 202, the bottom of the gas pump 204 is fixedly connected to the top right side middle of the bottom plate 1, a liquid delivery pipe 205 is fixedly connected to the inside left side of the gas delivery pipe 203, a liquid injection pipe 206 is fixedly connected to the inside upper rear side of the storage tank 201, and a hand valve 207 is fixedly connected to the middle of the liquid injection pipe 206.

[0033] The end of the liquid delivery pipe 205 away from the sealing cover 202 is fixedly connected to the outside of an ear cleaning pen 3, a probe pipe 301 is rotatably connected to the inside upper part of the ear cleaning pen 3, a silica gel spiral piece 302 is arranged on the surface of the probe pipe 301, a limiting piece 303 is fixedly connected to the bottom of the probe pipe 301, a second bevel gear 311 is fixedly connected to the bottom of the limiting piece 303, the inner wall of the probe pipe 301 is rotatably connected to the outside top end of the liquid delivery pipe 205, an electric motor housing 304 is fixedly connected to the upper left end face of the ear cleaning pen 3, a press switch 312 is arranged on the left end face of the electric motor housing 304, a speed reducer 310 is fixedly connected to the inside of the electric motor housing 304, the press switch 312 is in electrical connection with the speed reducer 310, a driving wheel 305 is fixedly connected to the output end of the speed reducer 310, a first bevel gear 306 is rotatably connected to the left side upper part of the inner wall of the ear cleaning pen 3, the upper part of the first bevel gear 306 is in meshing connection with the lower left side of the second bevel gear 311, a driven wheel 307 is fixedly connected to the right end face of the first bevel gear 306, a transmission belt 308 is arranged between the driving wheel 305 and the driven wheel 307, a clamping ring 309 is fixedly connected to the right side upper part of the inner wall of the ear cleaning pen 3, and the inside of the clamping ring 309 is fixedly connected to the outside of the liquid delivery pipe 205 in the ear cleaning pen 3.

[0034] A controller 501 is fixedly connected to the left side lower part of the inside of the ear cleaning pen 3, an electromagnetic push rod 502 is fixedly connected to the right end face of the controller 501, a flow breaking block 503 is fixedly connected to the output end of the electromagnetic push rod 502, a fixed ring 5 is fixedly connected to the right side lower part of the inner wall of the ear cleaning pen 3, and the left side of the fixed ring 5 and the right end face of the flow breaking block 503 are in contact with the outside of the liquid delivery pipe 205 in the ear cleaning pen 3.

[0035] The waste water tank 4 is fixedly connected above the rear end face of the ear canal cleaning pen 3, a hollow strip 401 is fixedly connected inside the upper part of the waste water tank 4, a spring sheet 403 is fixedly connected inside the lower part of the hollow strip 401, a sliding strip 402 is fixedly connected to the top end of the spring sheet 403, and the sliding strip 402 is slidingly connected to the outside of the hollow strip 401. The rotating probe tube 301 and the silica gel spiral sheet 302 can clean the ear canal of the patient, and the earwax attached to the wall of the ear canal is scraped off, and then the cleaning liquid flowing from the infusion tube 205 to the ear canal is used to clean the ear canal of the patient.

[0036] As a further embodiment of the above technical solution: the gas delivery tube 203 inside the storage tank 201 and the bottom end of the infusion tube 205 are both below the inside of the storage tank 201, and the bottom end of the gas delivery tube 203 and the infusion tube 205 are in a parallel state. A sealing ring is arranged outside the lower part of the sealing cover 202, so that the air pump 204 can apply pressure to the flushing liquid in the storage tank 201, and the flushing liquid can flow through the infusion tube 205 which is also deeply located on the left side of the inside of the storage tank 201 to the patient's ear canal, avoiding the flushing liquid directly entering the water pump and then flowing through the infusion tube 205 to the patient's ear canal.

[0037] As a further embodiment of the above technical solution: a through hole is formed in the upper middle part of the ear canal cleaning pen 3 from top to bottom, and the diameter of the through hole matches the diameter of the transverse section of the probe tube 301. The rotating direction of the probe tube 301 and the silica gel spiral sheet 302 driven by the reduction motor 310 is counterclockwise rotation. The rotating probe tube 301 and the silica gel spiral sheet 302 contact the wall of the patient's ear canal, scrape off the earwax attached to the wall of the ear canal, and at the same time, the rotating direction of the spiral sheet is counterclockwise rotation, which can guide the flushing liquid and earwax out of the ear canal at the same time, improving the efficiency of cleaning the patient's ear canal.

[0038] As a further embodiment of the above technical solution: a through hole is formed in the upper middle part of the ear canal cleaning pen 3 from top to bottom, and the diameter of the through hole matches the diameter of the transverse section of the probe tube 301. The rotating direction of the probe tube 301 and the silica gel spiral sheet 302 driven by the reduction motor 310 is counterclockwise rotation. The rotating probe tube 301 and the silica gel spiral sheet 302 contact the wall of the patient's ear canal, scrape off the earwax attached to the wall of the ear canal, and at the same time, the rotating direction of the spiral sheet is counterclockwise rotation, which can guide the flushing liquid and earwax out of the ear canal at the same time, improving the efficiency of cleaning the patient's ear canal.

[0039] As a further embodiment of the above technical solution: the press switch 312 controls the opening and closing of the reduction motor 310, and the premise of starting the reduction motor 310 is to press the press switch 312, and the premise of closing the reduction motor 310 is to release the press switch 312. The press switch 312 controls the start and stop of the reduction motor 310, which is convenient for doctors to operate according to the actual situation.

[0040] As a further implementation solution of the above technical solution: the driving wheel 305 is vertically perpendicular to the driven wheel 307, and the cross-sectional shape of the driving wheel 305 is an I-shaped, and the cross-sectional shape of the driven wheel 307 is a convex shape, so that the transmission belt 308 is provided between the driving wheel 305 and the driven wheel 307, and linkage effect is provided for the driving wheel 305 and the driven wheel 307, so as to prevent the transmission belt 308 from being disconnected due to deviation during operation.

[0041] As a further implementation solution of the above technical solution: the controller 501 is electrically connected with the electromagnetic push rod 502, the controller 501 controls the extension and retraction of the electromagnetic push rod 502, and the electromagnetic push rod 502 extends to the right on the premise that the switch on the left end surface of the controller 501 is pressed, and the electromagnetic push rod 502 retracts to the left on the premise that the switch on the left end surface of the controller 501 is released, and the cut-off block 503 is horizontally perpendicular to the fixed ring 5, so as to control the electromagnetic push rod 502 to drive the cut-off block 503 to move to the left side of the fixed ring 5, so as to extrude the infusion tube 205 between the cut-off block 503 and the fixed ring 5, and cut off the flow of the flushing liquid in the infusion tube 205, so as to facilitate the doctor to cut off the flushing liquid for flushing into the ear canal for a short time.

[0042] As a further implementation solution of the above technical solution: the hollow strip 401 and the sliding strip 402 are both semicircular in cross-sectional shape, and a circular hole is formed in the top of the wastewater tank 4, and the diameter of the circular hole matches the inner diameter of the hollow strip 401, so as to collect the flushing liquid overflowing from the ear canal, and the flushing liquid enters the wastewater tank 4 along the sliding strip 402 and the hollow strip 401, so as to avoid the flushing liquid after flushing the patient's ear canal from flowing outward without guidance, and finally falling on the ground.

[0043] As a further implementation solution of the above technical solution: a groove is formed in the hollow strip 401 from top to bottom, the cross-sectional shape of the groove matches the cross-sectional shape of the sliding strip 402, and the spring sheet 403 and the sliding strip 402 are both inside the groove formed in the hollow strip 401, and a rubber layer is arranged on the top end of the sliding strip 402, so that after the probe tube 301 is inserted into the ear canal, the sliding strip 402 is retracted into the hollow strip 401, and the sliding strip 402 is always in close contact with the patient's cheek.

[0044] Working principle: the bottom plate 1 as the support foundation of the whole device, its top left side fixed connection fixed column 2 inside installation has storage tank 201, for storing the ear canal irrigation fluid, storage tank 201 top adopts the sealing cover 202 with sealing ring realizes sealing, sealing cover 202 inside right side connection gas pipe 203 and gas pump 204 are connected, the liquid delivery tube 205 nested in the gas pipe 203 extends to the bottom of the storage tank 201, the liquid injection pipe 206 set in the upper rear of the storage tank 201 is controlled by the hand valve 207 to inject and supplement the irrigation fluid;When the gas pump 204 starts, the gas pump 204 works to generate compressed air, which enters the inside of the storage tank 201 through the gas pipe 203, applies stable pressure to the irrigation fluid in the storage tank 201, forces the irrigation fluid to flow to the ear canal cleaning pen 3 through the liquid delivery tube 205 deep into the inside of the storage tank 201;The ear canal cleaning pen 3 as the core operating component, the surface of the probe tube 301 rotatingly connected inside the upper part is provided with the silica gel spiral piece 302 of the skin-friendly silica gel material, the probe tube 301 bottom is fixedly connected with the second bevel gear 311 through the limiting piece 303, the second bevel gear 311 and the first bevel gear 306 form a stable meshing transmission relationship, the first bevel gear 306 and the driving wheel 305 of the output end of the speed reducer motor 310 constitute a complete transmission system through the driven wheel 307 and the transmission belt 308;

[0045] When in operation, the doctor presses the press switch 312 on the ear canal cleaning pen 3 to start the deceleration motor 310, which drives the driving wheel 305 to rotate, drives the passive wheel 307 through the transmission belt 308, and then drives the first bevel gear 306 to rotate. The meshing of the first bevel gear 306 and the second bevel gear 311 transmits power to the probe tube 301 and the silica gel spiral piece 302, so that they rotate stably in the counterclockwise direction. At the same time, the infusion tube 205 continuously delivers the pressurized flushing liquid to the top end of the probe tube 301, which directly acts on the inside of the ear canal. The rotating silica gel spiral piece 302 can gently scrape off the attached earwax when it contacts the ear canal wall, and also synchronously guide the earwax and the flushing liquid out of the ear canal through its spiral structure. The controller 501 arranged inside and below the ear canal cleaning pen 3 accurately controls the displacement of the flow breaking block 503 through the electromagnetic push rod 502. When it is necessary to temporarily interrupt the flushing, the electromagnetic push rod 502 pushes the flow breaking block 503 to extrude the infusion tube 205 in cooperation with the fixed ring 5, so as to realize the instantaneous cutting off of the flushing liquid. The waste water tank 4 connected to the rear part of the device collects the overflowing flushing liquid through the cooperation of the hollow strip 401 and the sliding strip 402. The sliding strip 402 always adheres to the patient's cheek under the action of the spring sheet 403, which can guide the waste liquid into the waste water tank 4 and automatically adjust the position according to the patient's face shape. During the whole cleaning process, the deceleration motor 310 provides stable torque through the precise gear transmission system, ensures the uniform and controllable rotation speed of the probe tube 301, and the flexible material of the silica gel spiral piece 302 perfectly adapts to the physiological curvature of the ear canal. The constant pressure provided by the air pump 204 ensures the stable flow of the flushing liquid. The cooperation of multiple systems realizes the efficiency and safety of ear canal cleaning, and maintains the cleanliness of the operating environment through the waste water collection system, finally achieving the ideal effect of completely removing earwax without damaging the ear canal tissue.

[0046] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An ear canal cleaning device for otolaryngological examination, comprising a base plate (1), characterized in that: A fixed column (2) is fixedly connected to the middle of the top left side of the base plate (1). A storage tank (201) is fixedly connected inside the fixed column (2). A sealing cover (202) is provided on the top of the storage tank (201). A gas supply pipe (203) is fixedly connected to the right side inside the sealing cover (202). An air pump (204) is fixedly connected to the end of the gas supply pipe (203) away from the sealing cover (202). The bottom of the air pump (204) is fixedly connected to the middle of the top right side of the base plate (1). An infusion pipe (205) is fixedly connected to the left side inside the gas supply pipe (203). An injection pipe (206) is fixedly connected to the upper rear side inside the storage tank (201). A manual valve (207) is fixedly connected to the middle of the injection pipe (206). An ear canal cleaning pen (3) is fixedly connected to the outer side of the end of the infusion tube (205) away from the sealing cap (202). A probe (301) is rotatably connected to the upper part of the ear canal cleaning pen (3). A silicone spiral plate (302) is provided on the surface of the probe (301). A limiting plate (303) is fixedly connected to the bottom of the probe (301). A second bevel gear (311) is fixedly connected to the bottom of the limiting plate (303). The inner wall of the probe (301) is rotatably connected to the outer side of the top end of the infusion tube (205). A motor housing (304) is fixedly connected to the upper left end face of the ear canal cleaning pen (3). A push-button switch (312) is provided on the left end face of the motor housing (304). A geared motor (312) is fixedly connected inside the motor housing (304). 10), the push-button switch (312) is electrically connected to the geared motor (310), the output end of the geared motor (310) is fixedly connected to the drive wheel (305), the upper left side of the inner wall of the ear canal cleaning pen (3) is rotatably connected to the first bevel gear (306), the upper part of the first bevel gear (306) meshes with the lower left side of the second bevel gear (311), the right end face of the first bevel gear (306) is fixedly connected to the driven wheel (307), a transmission belt (308) is provided between the drive wheel (305) and the driven wheel (307), a retaining ring (309) is fixedly connected to the upper right side of the inner wall of the ear canal cleaning pen (3), the inner side of the retaining ring (309) is fixedly connected to the outer side of the infusion tube (205) inside the ear canal cleaning pen (3); The ear canal cleaning pen (3) is fixedly connected to a wastewater tank (4) above the rear end face. A hollow strip (401) is fixedly connected to the middle of the upper part of the wastewater tank (4). A spring sheet (403) is fixedly connected to the lower part of the hollow strip (401). A sliding strip (402) is fixedly connected to the top of the spring sheet (403). The outer side of the sliding strip (402) is slidably connected to the inside of the hollow strip (401). The cross-sectional shape of the hollow strip (401) and the sliding strip (402) are both semi-circular. A circular hole is opened at the top of the wastewater tank (4). The diameter of the circular hole matches the inner diameter of the hollow strip (401).

2. The ear canal cleaning device for otolaryngological examination according to claim 1, characterized in that: The bottom ends of the gas supply pipe (203) and the liquid supply pipe (205) inside the storage tank (201) are both located inside the storage tank (201) and are parallel to each other. A sealing ring is provided on the outer side below the sealing cap (202).

3. The ear canal cleaning device for otolaryngological examination according to claim 1, characterized in that: The ear canal cleaning pen (3) has a through hole in the middle of the upper part, and the diameter of the through hole matches the cross-sectional diameter of the probe (301). The probe (301) and the silicone spiral plate (302) rotate counterclockwise under the drive of the reduction motor (310).

4. The ear canal cleaning device for otolaryngological examination according to claim 1, characterized in that: The probe (301), the limiting piece (303), and the second bevel gear (311) are all provided with through holes from top to bottom, and the diameter of the through holes is 1.2 times larger than the cut diameter of the infusion tube (205). The top of the infusion tube (205) inside the probe (301) is located at the upper position inside the probe (301).

5. The ear canal cleaning device for otolaryngological examination according to claim 1, characterized in that: The push-button switch (312) controls the opening and closing of the geared motor (310), and the geared motor (310) is started when the push-button switch (312) is pressed, and the geared motor (310) is closed when the push-button switch (312) is released.

6. The ear canal cleaning device for otolaryngological examination according to claim 1, characterized in that: The driving wheel (305) and the driven wheel (307) are vertically perpendicular, and the cross-sectional shape of the driving wheel (305) is I-shaped, while the cross-sectional shape of the driven wheel (307) is convex.

7. The ear canal cleaning device for otolaryngological examination according to claim 1, characterized in that: A controller (501) is fixedly connected to the lower left side inside the ear canal cleaning pen (3). An electromagnetic push rod (502) is fixedly connected to the right end of the controller (501). A flow-cutting block (503) is fixedly connected to the output end of the electromagnetic push rod (502). A fixing ring (5) is fixedly connected to the lower right side of the inner wall of the ear canal cleaning pen (3). The left side of the fixing ring (5) and the right end of the flow-cutting block (503) are in contact with the outside of the infusion tube (205) inside the ear canal cleaning pen (3). The controller (501) and the electromagnetic push rod (502) are electrically connected. The controller (501) controls the extension and retraction of the electromagnetic push rod (502). The electromagnetic push rod (502) extends to the right only if the switch on the left end of the controller (501) is pressed. The electromagnetic push rod (502) retracts to the left only if the switch on the left end of the controller (501) is released. The flow-cutting block (503) and the fixing ring (5) are in a horizontally perpendicular state.

8. The ear canal cleaning device for otolaryngological examination according to claim 1, characterized in that: The hollow strip (401) has a groove running from top to bottom inside. The cross-sectional shape of the groove matches the cross-sectional shape of the sliding strip (402). The spring sheet (403) and the sliding strip (402) are both located inside the groove inside the hollow strip (401). A rubber layer is provided on the outer side of the top of the sliding strip (402).

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