98 results about "External Auditory Canals" patented technology

The invention relates to the technical field of tinnitus therapeutic apparatuses, and discloses an external auditory canal noninvasive acoustic-electric combined stimulation tinnitus therapeutic apparatus, which comprises an earmuff, the inner wall of the earmuff is fixedly connected with a power supply device, and the surface of the earmuff is provided with a wearable part; the wearable part comprises a fixing frame, the surface of the fixing frame is fixedly connected with the surfaces of earmuffs, protective pads are fixedly connected to the ends, away from the fixing frame, of the earmuffs, through holes are formed in the ends, close to the fixing frame, of the earmuffs, and a sliding plate is fixedly connected to the top of the fixing frame. The elastic piece is hung on the neck of a tinnitus patient so that the tinnitus patient can carry the earmuff, convenience is brought to the tinnitus patient during use, when the tinnitus patient needs to use the earmuff, the earmuff is placed on the ear of the tinnitus patient, the protective pad at the end of the earmuff can make contact with the face of the patient, and the wearing comfort of the tinnitus patient is improved; after the earmuff is placed on the ear of a tinnitus patient, the earmuff can be fixed to the ear of the tinnitus patient through the elasticity of the elastic piece, and the wearing stability of the tinnitus patient is improved.

An earphone includes a housing having a space therein and having a path capable of ventilation from one end side on an external auditory canal side of a wearer to the other end side on an ambient environment side, a valve accommodated in the housing and configured to switch the path between an open state and a close state, a microphone disposed on one end side of the housing and configured to collect uttered voice of the wearer, and a control unit configured to control the open state and the close state. The control unit switches the path to the open state during a first operation in a call including an operation in which the uttered voice of the wearer is collected by the microphone, and switches the path either the open state or the close state during a second operation different from the first operation.

The invention relates to the technical field of image processing, in particular to an ear mold three-dimensional model obtaining method and system and a storage medium. The method comprises the following steps: if acquisition parameters of an acquisition probe are lower than a preset acquisition parameter threshold value, controlling the acquisition probe to be inserted into an auditory meatus inlet, and acquiring an auricular conchae image; utilizing the auricular conchae image to identify the contour boundary of the auricular conchae, generating an entrance reference surface, and determining a auricular return fitting point; identifying an external auditory canal area according to the conchae contour boundary, collecting an external auditory canal image, extracting an auditory canal center line, measuring the sectional dimension, and constructing an eardrum curved surface; and performing hole repairing on the eardrum curved surface, performing smoothing processing, verifying the rationality of the eardrum structure, and exporting a standard three-dimensional eardrum file. According to the invention, the automatic generation of the standard three-dimensional ear mold is realized based on the image processing technology, and the ear mold reconstruction precision and the matching rate are improved.

A sleep care device is disclosed. The sleep care device is mounted on the ear of a user, is not easily separated from the user's body while the user is in a sleep state, and can reliably measure brain wave signals. The sleep care device according to an example embodiment of the present invention includes a housing, an ear hook, and an ear tip. The ear hook is connected to the housing to form a closed loop, is placed between the user's head and the auricle, and includes an electrode having electrical conductivity. The ear tip is connected to the housing, is placed at the entrance to the external auditory canal, and has electrical conductivity. In addition, the ear hook and the ear tip are made of a material having flexibility and elasticity, and measure the user's brain waves.

The utility model belongs to the technical field of earphones, and particularly relates to a sound quality enhancing earphone structure which comprises an earphone body and an ear hook connected with the earphone body. The earphone body comprises an external earphone shell; a mounting cavity is formed in the earphone shell, a sound outlet hole communicated with the mounting cavity is formed in the earphone shell, the position of the sound outlet hole is aligned with the position of an ear canal when the earphone is worn, a sound production unit is arranged in the mounting cavity, the sound production unit comprises a moving coil loudspeaker and a sound guide tube component connected with the moving coil loudspeaker, and a sound outlet hole communicated with the front sound cavity is formed in the earphone shell; the sound guide tube component comprises a sound guide channel. And the sound outlet hole faces the external auditory canal of the human body, so that the medium-high frequency directivity is strong, the loudness is large, and the effect of enhancing the medium-high frequency is achieved. Meanwhile, the sound guide tube part is arranged, the sound transmission direction can be changed through a sound guide channel, the peak resonant frequency of a harmonic peak of air guide sound in a middle-high frequency band or a high frequency band can be weakened conveniently, and the effect of middle and low frequencies can be effectively enhanced.

The invention belongs to the technical field of medical experimental animal models, and particularly relates to a construction method of a rabbit ear acne model for studying acne pathogenesis and drug curative effect. A healthy New Zealand large-ear white rabbit is selected, a testosterone solution is subcutaneously injected to induce endocrine disorder, oleic acid is smeared at an opening of an external auditory canal on the inner side of an ear, dermatobacterium acnes suspension is subcutaneously injected, and whether acne-like lesions such as erythema, papule and comedo appear on the skin of the ear or not is observed. The method is easy and convenient to operate, low in cost, good in repeatability, capable of simulating the pathological process of human acne and suitable for acne pathogenesis research and drug screening.

To provide an ear-mounted device that readily conforms to the shape of a user's ear canal.SOLUTION: An ear-mounted device 100 includes a plug body portion 1 inserted into the external auditory canal and a support portion 5 supporting the plug body portion 1. The support portion 5 is formed in a columnar shape. The plug body portion 1 is supported at its axial tip end on the support portion 5, and has a dome-shaped configuration in which the surface at the axial tip end is convexly curved towards the tip end, and in which the outer periphery of the dome-shaped configuration is divided into a plurality of adjacent petal-shaped portions 4 along the circumferential direction of the support portion 5.SELECTED DRAWING: Figure 2

The application discloses an expansion stent for preventing stenosis after external auditory canal operation and belongs to the technical field of external auditory canal postoperative care. The position of the adjusting ring is adjusted by operating the locking assembly, so that the five hollow rods can be in contact with the inner wall of the external auditory canal. Since the internal structure of the external auditory canal is not a regular circle, the multiple hollow rods are in contact with the internal structure of the external auditory canal in sequence during movement, thereby preventing long-term stenosis or recurrence of the external auditory canal. When the dynamic adjustment is performed according to the individual differences and growth changes of the external auditory canal, the gas is introduced into the hollow rods, the gas entering the internal structure of the hollow rods can extrude the multiple rubber air rings, the rubber air rings can be inflated and in contact with the inner wall of the external auditory canal, the sensing module is used for monitoring the pressure and deformation data in the external auditory canal in real time, the expansion state can be dynamically adjusted according to the individual differences and growth changes of the external auditory canal, the expansion effect is improved, and the rubber air rings are used for flexibly supporting the external auditory canal, so that the external auditory canal is not damaged.

One or more embodiments of the present specification relate to an acoustic output device comprising: a housing forming an inner cavity; the supporting structure is used for wearing the shell on the ear without blocking the external auditory canal; a first loudspeaker, wherein the first loudspeaker is accommodated in the inner cavity; the first loudspeaker comprises a first magnet and a first vibrating diaphragm, and the first magnet and the first vibrating diaphragm are arranged at an interval along the vibration direction of the first vibrating diaphragm; a second loudspeaker, wherein the second loudspeaker is accommodated in the inner cavity; and the second loudspeaker comprises a second magnet and a second vibrating diaphragm, and the second magnet and the second vibrating diaphragm are arranged at an interval along the vibration direction of the second vibrating diaphragm.

The utility model belongs to the technical field of intelligent wearable equipment, and discloses a glasses leg system and intelligent glasses, and the glasses leg system comprises glasses legs, a loudspeaker assembly and a covering assembly. The loudspeaker assembly is provided with a first sound outlet hole and a second sound outlet hole, and the loudspeaker assembly is adjustably connected to the glasses legs and has a first position and a second position relative to the glasses legs; when the loudspeaker assembly is located at the first position, the extension direction of the loudspeaker assembly is the same as that of the glasses legs; when the loudspeaker assembly is located at the second position, an included angle is formed between the loudspeaker assembly and the glasses leg, and the second sound hole faces the external auditory canal of the ear; the covering assembly is slidably connected to the loudspeaker assembly, and the covering assembly is provided with a covering position for covering the first sound outlet hole and an exposing position for exposing the first sound outlet hole. The glasses leg system and the intelligent glasses provided by the utility model have relatively high sound effect and sound quality, and have relatively small damage to eardrums.

The invention relates to an external auditory canal foreign matter bonding device which comprises a pipe body, a ring body is movably connected to the position, close to the top, outside the pipe body through a bearing, a threaded pipe is movably connected to the position, close to the bottom, of the pipe body through threads, and a plurality of uniformly-distributed bonding rods are hinged between the ring body and the threaded pipe and are distributed outside the pipe body in a circular truncated cone shape. The top of the pipe body is connected with an upper cover body through bolts, the bottom of the pipe body is provided with a lower cover body through bolts, one side, close to the top, of the bonding rod is connected with a first rotating shaft through bolts, and the other end of the first rotating shaft is movably connected with a first bonding plate through a bearing. According to the technical scheme, through mutual cooperation of a threaded pipe, a ring body, a first rotating shaft, a second rotating shaft, a first attaching plate, a second attaching plate and other components, the bonding device can drive a plurality of bonding rods to effectively expand and contract, so that the bonding device can adapt to use of different crowds, foreign matter can be effectively and uniformly bonded, and the bonding efficiency is improved. And the application range and the foreign matter bonding efficiency are improved.

The utility model discloses a degradable fixing ring for fixing an external auditory canal flap in external auditory meatus plasty, which is formed by bending and connecting a degradable belt, nesting structures which can be nested together are arranged at the head end and the tail end of the degradable belt, and a degradable supporting ring can be stretched and enlarged by stretching the connection at the nesting structures, so that the degradable fixing ring can be used for fixing the external auditory meatus flap in the external auditory meatus plasty. Limiting structures are further arranged at the head end and the tail end of the degradable belt, the limiting structures can limit the degradable supporting ring to shrink backwards after the degradable supporting ring extends and becomes larger, and a connecting part used for being fixedly connected with an external auditory canal transplantation flap is arranged on the degradable supporting ring. The external auditory canal graft flap fixing device can fix an external auditory canal graft flap, reduce the number of times of returning to hospital of a patient, and improve the compliance and medical experience of the patient.

The utility model discloses a novel anti-drop ear ventilation pipe, which comprises a pipe body with an external auditory canal end and a tympanic chamber end, a through channel is arranged in the pipe body, the inner side wall of the pipe body axially extends towards the tympanic chamber end to form a bending part, and when the tympanic chamber end of the pipe body is implanted into a tympanic membrane, the tympanic membrane is inserted into the tympanic chamber end of the pipe body. And the bending part can be bent towards the periphery of the tube body so as to enlarge the contact surface with the inner side of the tympanic membrane. The ventilation pipe can be better fixed to the tympanic membrane after the bending part with the extension bending performance is expanded and unfolded, the ventilation pipe is effectively prevented from falling off, the surface of the pipe body is provided with the silver ion coating with the antibacterial characteristic, the antibacterial effect is achieved, the pipe body is provided with the cutting edge, the tympanic membrane can be cut open conveniently, the ventilation pipe is arranged, and the ventilation pipe is convenient to use. And the use experience of the user can be better improved.

The invention discloses a parameter measurement system and method based on external auditory canal three-dimensional reconstruction, and relates to the technical field of parameter measurement, and the system comprises a scanning module which is used for obtaining a temporal bone scanning image; the boundary extraction module is used for performing external auditory canal boundary extraction on the temporal bone scanning image to obtain external auditory canal boundary features; the model building module is used for building an external auditory canal three-dimensional model according to a moving cube algorithm based on external auditory canal boundary features; the interception module is used for performing dynamic interception according to the external auditory canal three-dimensional model to obtain an external auditory canal continuous cross section; and the map construction module is used for carrying out multi-dimensional measurement analysis and constructing an external auditory canal parameter mapping map. The technical problems that in the prior art, external auditory canal morphological analysis is low in precision and lacks continuity and three-dimensional structure information are solved, and the technical effect of high-precision, continuous and visual external auditory canal three-dimensional parameter measurement and mapping is achieved by introducing threshold value self-adaptive segmentation, moving cube three-dimensional modeling and multi-dimensional parameter analysis.

1. The name of the design product: silica gel earplug. 2. The use of the design product: the design product is used to plug into the external auditory canal, and has the functions of sound reduction, noise reduction, waterproof and ear protection. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention discloses a noninvasive ICP detection and regulation system which comprises a transcranial Doppler monitoring module, an intraocular pressure sensing module, a tympanic membrane pressure monitoring module, an abdominal pressurization regulation module, a data fusion processing module, an alarm module and a power management module. The monitoring modules collect intracranial artery blood flow velocity waveforms, intraocular pressure pulsation and external auditory canal pressure fluctuation signals respectively and transmit the signals to the data fusion processing module for comprehensive analysis to generate an ICP evaluation result. When the evaluation value exceeds the preset range, the alarm module is triggered, and an instruction is sent to the abdomen pressurization regulation and control module to regulate the abdomen pressure. And the power management module supplies power to each module. According to the system, the detection accuracy is improved through multi-signal fusion, a monitoring-regulation closed-loop mechanism is formed, manual operation is not needed, the response time is shortened, and the regulation consistency is ensured.

The application discloses a tympanic ventilation tube with spiral locking, multiple waterproof and valve control drainage functions, and belongs to the field of ear implant medical devices. The ventilation tube comprises a tube body, an implant device interface is arranged at the outermost end of the tube body, a one-way duckbill valve is arranged at the end close to the external auditory canal, micro-flow ventilation holes are distributed in the circumferential direction of the side wall, a flexible sealing sheet is arranged on the outer side of the tube body, and a continuous single-ring gradually-changing asymmetric spiral fixing structure is arranged on the outer periphery of the middle ear cavity. The spiral fixing structure induces the radial flanging of the tympanic membrane tissue to be embedded between the spiral structure and the outer wall of the tube body to form axial locking through the asymmetric section, and realizes gradual release when reversely rotating through the rise angle, tooth height and round angle gradient; the sealing sheet realizes stable adhesion and controllable peeling through the thickness gradient, pre-stress and surface energy gradient; the micro-flow ventilation holes and the duckbill valve constitute a gas-liquid separation double channel, realize low-resistance ventilation, liquid blocking and pressure-driven drainage. The application can realize stable fixation, water-tight sealing, controllable ventilation, one-way drainage and low-damage implantation and removal.

The present disclosure relates to a headphone and a multi-layer noise reduction earphone assembly. The headphone comprises an ear cover arranged outside an auricle, an ear cover microphone arranged outside the ear cover for collecting ambient sound, and a first speaker arranged inside the ear cover for playing noise reduction sound corresponding to the ambient sound collected by the ear cover microphone and / or playing audio. When in use, the inside of the ear cover and the auricle form a containing space for accommodating the part of an in-ear earphone exposed outside the external auditory canal. The headphone and the auricle form a containing space for accommodating the in-ear earphone. The headphone can be used alone or with any in-ear earphone. When the headphone is used in combination with the in-ear earphone, the noise is reduced by the active or passive noise reduction of the in-ear earphone and the active and passive noise reduction of the headphone, forming multi-layer noise reduction and achieving better noise reduction effect. The problem of insufficient noise reduction is solved, and the noise reduction effect is greatly improved.

The invention discloses an ear temperature probe fixing device, and belongs to the field of temperature probe fixing devices.The ear temperature probe fixing device comprises an in-ear part, a through hole is formed in the in-ear part, one end of a temperature probe can penetrate through the through hole, the temperature probe is made to protrude out of the front end of the in-ear part, and a fixing support used for fixing the temperature probe is fixedly installed at the rear end of the in-ear part; one end of the temperature probe penetrates through the through hole of the in-ear part, the other end of the temperature probe is fixed to the fixing support, so that the temperature probe is fixed, the temperature probe is fed into the external auditory canal through the through hole of the in-ear part, and the temperature probe is fixed through the fixing support after being inserted into the external auditory canal by a preset depth, and the temperature probe is fixed during monitoring. Meanwhile, temperature measurement is stable, and the comfort level of the patient is improved.

Earphone characterized in that the earphone comprises a hook part, a connecting part and a retaining part, wherein the connecting part connects the hook part to the retaining part, wherein in a worn state the hook part is used for suspension between the back of the ear and the head of a user and the retaining part is used for contact with the front of the ear, thereby enabling the retaining part to cooperate with the hook part to clamp the ear and the earphone does not cover the external auditory canal of the ear; wherein the holding part has a thickness direction, a length direction and a height direction that are orthogonal to each other; wherein the connecting part extends at least partially in one direction from the end connected to the holding part to the other end connected to the hook part and simultaneously in the longitudinal and vertical directions away from the free end of the holding part; wherein the retaining part comprises a core housing connected to the connecting part and a core arranged in the core housing, and wherein the core housing is provided with a sound outlet opening.

The utility model discloses an external auditory canal flushing tool which comprises an injector, an injection needle and a hose, the hose is sleeved on the outer side of the injection needle, two symmetrically-distributed hemispherical blocks are integrally formed on the outer side of the injection needle, two symmetrically-distributed hemispherical grooves are formed in the inner wall of the hose, the hemispherical blocks are connected with the hemispherical grooves in a clamped mode, and the two hemispherical blocks are connected with the hose in a clamped mode. And the other end of the injection needle is fixedly connected with a needle connecting cap. According to the utility model, the hose cannot be separated from the injection needle during use, the injury of the injection needle to the auditory meatus is avoided, meanwhile, the injection needle supports the hose in the hose, the hose cannot be bent, the safety of cleaning the external auditory meatus and the use effect of a flushing tool are improved, and the use cost is reduced. And compared with a traditional connection mode, connection is more stable, meanwhile, the injection needle can be detached, cleaned or replaced conveniently, and the using effect of the flushing tool is improved.

The invention discloses a self-service mini human body natural orifice ultrasonic drug delivery device and a preparation method thereof, and relates to the technical field of medical instruments. The invention aims to solve the problems that an existing dosing device cannot touch a deep focus in a cavity, operation is complex, the cavity is prone to being damaged, medicine retention is poor, and adaptability is low. The dosing device comprises a base body, a pluggable cleaner, an ultrasonic dosing device and a cooling body, the core component is made of medical silica gel and medical polyethylene, and the piezoelectric transducer realizes medicine permeation of 30cm at the maximum under the frequency of 0.5-50MHz; temperature monitoring, separation alarming, cleaning and liquid collecting of a matched cleaner and medicine locking of a cooling body are integrated, and the device is matched with multiple cavities such as the oral cavity, the nasal cavity and the external auditory canal through modular design. According to the invention, noninvasive self-service precise drug delivery is realized, cavity injury is avoided, the drug retention rate is high, IP67 waterproof and dustproof and medical standards are met, the drug delivery device can be reused, the cavity disease curing time is effectively shortened, and the drug delivery device has high clinical application value.

An in-ear audio glasses temple and smart glasses are disclosed. The in-ear audio glasses temple includes a temple body and an audio component. The temple body includes a temple arm, an ear hook, and an in-ear portion. The ear hook is mounted on the temple arm, and the in-ear portion is slidably mounted on the end of the temple arm and has a sound hole. The audio component is installed in the in-ear portion and corresponds to the sound hole. The first end of the temple arm is used to connect to the frame, and the ear hook can be suspended on the ear so that the in-ear portion installed on the end of the temple arm is aligned with the external auditory canal. Sliding the in-ear portion can drive the audio component in and out of the external auditory canal. The smart glasses include a frame with lenses and two sets of in-ear audio glasses temples. The two sets of in-ear audio glasses temples are symmetrically arranged on the left and right ends of the frame and are hinged to the frame by the temple arm. The two ear hooks are suspended on the ears to wear the smart glasses, and the two in-ear portions are slid into the external auditory canal so that the audio component plays sound in the external auditory canal, thereby improving the listening effect and ensuring privacy.

The invention belongs to the technical field of medical instruments, and particularly relates to a head-mounted stethoscope for heart disease monitoring, which is used for daily physical examination work and application to a heart rehabilitation path after a cardiac pacemaker is implanted, and comprises a U-shaped frame, and a U-shaped groove is formed in the U-shaped frame. By arranging the mounting rings and the sound boxes in the earmuffs, when the device is used, the earmuffs can be worn on the ears, the sound receiving heads are placed in a manner of being attached to the thoracic cavity of a patient, the sound receiving heads are used for receiving heart sounds of the patient, heart sound data are transmitted to the control host through the wires, and then the control host plays the heart sounds through the sound boxes; the U-shaped frame is arranged on the U-shaped frame, damage to external auditory canal mucous membranes caused by long-time auscultation work is effectively reduced, meanwhile, the holographic glasses are arranged to be connected with the U-shaped frame, the holographic glasses are connected with the control host, and therefore heart sound data are converted into beating images through the control host, visualization is achieved, and the auscultation effect and the auscultation efficiency are effectively improved.

The invention relates to the technical field of biological medicine, in particular to liposome dispersion liquid and ear drops capable of penetrating through tympanic membrane and inner ear round window membrane. The invention designs the liposome dispersion liquid which can effectively penetrate through a complete path of the tympanic membrane and the round window membrane of the inner ear after being dripped into the ear through the external auditory canal in a non-invasive manner, so that tympanic membrane perforation caused by injection in a tympanic chamber can be avoided, and the pain and discomfort of a patient can be relieved. The liposome dispersion liquid disclosed by the invention is good in stability, and the prepared ear drops can realize efficient delivery of targeted inner ear medicines, have the characteristics of noninvasiveness and convenience, and have a wide application prospect in the medical field.

The application discloses an inner ear micro-invasion operation robot system and a control method, relates to the technical field of medical devices and operation robots, and discloses an execution system as an operation robot body, which is used for completing an operation operation through an external auditory canal approach under the constraint of a narrow and curved cavity; a guide system is based on preoperative and intraoperative multi-modal images, and is used for providing functions of preoperative approach planning, intraoperative navigation positioning, anatomical structure identification and enhanced visual guidance; a control system is used for receiving and processing operator input and execution and guide system feedback information, realizing data interaction and instruction issuing between a user layer, a control layer and an execution layer, so as to guarantee the precision and stability of robot operation. The application is used to solve the problems that in the prior art, a complete intraoperative navigation system and a systematic operation operation process are lacked, the intelligent degree is limited, the experience of an operator is highly dependent, and a corresponding control system is not perfect; meanwhile, key links such as a tympanic membrane puncture need to be separately completed by using additional instruments, and the robot system is not yet connected.

The utility model relates to a height-adjustable drainage fixing device and a drainage system. The drainage fixing device comprises a long shaft, a fixing piece, a positioning piece and a connecting piece, the long shaft is a long strip body; buckle holes are formed in the long shaft, and the multiple buckle holes are distributed in the length direction of the long shaft; a fixing needle is arranged on the fixing piece; the long shaft penetrates through the fixing piece, and the fixing needle on the fixing piece penetrates through the buckle hole. The upper end of the long shaft is reversely folded and then is connected with the fixing piece; the positioning piece is connected with the long shaft; the connector is connected to the lower end of the long shaft; a connecting hole is formed in the connecting piece and used for being connected with a ventricular drainage bag. The drainage system comprises the drainage fixing device. Compared with the prior art, by arranging the long shaft and the fixing piece, the height is convenient to adjust, the height adjustment is more accurate compared with direct hanging of articles such as gauze and strings, safer and more stable connection can be achieved by arranging the connecting piece, and the positioning piece is arranged, so that the height adjustment is more convenient. And the zero scale and the external auditory meatus opening of the patient can be positioned at the same horizontal position.

The embodiments of the present description relate to a sound production device, comprising: a sound production portion, which comprises a housing and a diaphragm arranged in the housing, wherein in the housing, a front cavity and a rear cavity are respectively provided on two sides of the diaphragm, with the front cavity being acoustically coupled to a sound output hole provided on the housing and facing the external auditory canal of a user, and the rear cavity being acoustically coupled to a pressure relief hole on the housing; an ear hook, which comprises a first part for being hung between the user's auricle and head, and a second part that extends towards the side of the user's auricle facing away from his / her head and is connected to the sound production portion; one or more microphones, which is / are arranged on the ear hook and configured to collect ambient sound to generate corresponding electrical signals; and a processing circuit, which is configured to amplify the electrical signals generated by the microphones, and send the processed electrical signals to the sound production portion. At least one of the one or more microphones is located on the first part of the ear hook, and the line connecting at least one microphone to the sound output hole goes across the user's auricle.

1. The name of the design product: ear canal ointment inserter. 2. The use of the design product: for ear canal ointment insertion. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

A sound output device is provided, including: a driver unit having a sound output portion inside and formed in a ring shape; and an electrical unit having a driving control portion inside and coupled to the driver unit. A space inside the driver unit is formed as an entrance hole that receives an external sound. In a case where the driver unit is inserted into a concha cavity, the sound output device is attached to an ear. Thus, in a state where the electrical unit is coupled to the driver unit and the driver unit is inserted into the concha cavity to be attached to the ear, an external sound that enters from the entrance hole, which is the space inside the driver unit, enters an external auditory canal. Thus, a stable and advantageous wearing state on the ear can be ensured, while a state of naturally receiving an external sound can be ensured.