128 results about "Tympanic Membranes" patented technology

Systems and methods can be employed for trans-tympanic membrane access to the middle ear for delivery of a formulation to a targeted site under direct visualization. The systems and methods can also be used to improve accessibility and visualization for various otological surgical procedures, such as, but not limited to, cholesteatoma removal, tympanic membrane repair and ossicular chain repair.

An earphone comprises a rear feedback microphone, an earmuff front shell and a sound outlet nozzle, an accommodating groove of the earmuff front shell is communicated with the sound outlet nozzle, the accommodating groove accommodates a first loudspeaker and a second loudspeaker, and the front feedback microphone, the first loudspeaker and the second loudspeaker are arranged in sequence. The rear feedback microphone is arranged at the sound outlet nozzle so as to be close to the tympanic membrane of the earphone wearer as much as possible, the sound collected by the rear feedback microphone is closer to the sound heard by the earphone wearer, and the earphone can adjust the anti-phase environmental noise in real time according to the sound collected by the rear feedback microphone; the first loudspeaker is arranged between the sound outlet nozzle and the second loudspeaker, compared with the second loudspeaker, the phase deviation of the anti-phase environment noise emitted by the first loudspeaker transmitted to the eardrum of an earphone wearer is smaller, and when the first loudspeaker and the second loudspeaker participate in active noise reduction at the same time, the phase deviation of the anti-phase environment noise transmitted to the eardrum of the earphone wearer is smaller. The anti-phase environment noise generated by the first loudspeaker can compensate for the phase deviation of the anti-phase environment noise generated by the second loudspeaker propagating to the tympanic membrane.

The invention relates to the technical field of medical data monitoring and early warning, in particular to a dynamic monitoring and early warning system for abnormal function of Eustachian tube. The system is characterized in that a data acquisition module acquires time sequence data of various eustachian tube state parameters such as tympanic chamber vibration, pharyngeal vibration and tympanic chamber air pressure, when a human body is yawn or swallowed, the eustachian tube is opened, the larger the opening is, the stronger the vibration of the tympanic membrane and the pharyngeal is, and the transmission decibel to an external auditory canal is increased, so that a eustachian tube opening section positioning module analyzes the characteristics to determine the auditory canal opening section; the opening amplitude of the Eustachian tube is accurately obtained, and an opening section is accurately cut out; after the Eustachian tube is opened, the air pressure in the tympanic chamber approaches and tends to the external auditory canal air pressure, the health index analysis module divides an approaching section and a leveling section in an opening section based on the air pressure change consistency, analyzes the air pressure change correlation by fusing multi-aspect information, and obtains health indexes by combining section length difference and air pressure difference characteristics; and finally, monitoring and early warning are performed on the Eustachian tube of the monitored object based on the health indexes in a monitoring and early warning module.

The invention relates to the technical field of pronunciation control, and provides a non-contact Hall drumhead vibration sensing and intelligent pronunciation control method and system, and the method comprises the steps: collecting an original Hall sensing electric signal generated when a user knocks a drumhead through a Hall sensor array in a drumhead, carrying out the signal preprocessing of the original Hall sensing electric signal, and obtaining a pre-processed signal; a standard Hall sensing electric signal is obtained, physical characteristic parameters are extracted, and a first tympanic membrane tension parameter, a damping coefficient and a striking position are obtained; obtaining an initial tympanic membrane tension parameter through a tympanic membrane stress sensor, carrying out the comparative analysis of the first tympanic membrane tension parameter and the initial tympanic membrane tension parameter, obtaining a tension decay value, and obtaining a pitch parameter based on a pre-constructed tension decay value-pitch mapping relation. According to the invention, through signal preprocessing and physical characteristic parameter extraction, key quantities reflecting the physical state of the tympanic membrane, such as a tympanic membrane tension parameter, a damping coefficient and a striking position, are systematically extracted, and a real and accurate physical basis is provided for sound generation.

Wearable devices capable of measuring a core body temperature and other vital signs of a user in a range of situations are described herein. The wearable device is arranged to be retained within the ear canal of the ear, in order to prevent the wearable device from inadvertently removing itself from the ear. Providing an infrared thermopile at the innermost end of the ear insert ensures that the infrared thermopile is provided as close as possible to the tympanic membrane which will be used to provide an indication of the core body temperature.

The present invention relates to the field of medical device technology, and in particular to a middle ear tympanic cavity effusion suction device, comprising a puncture needle, the bottom end of the puncture needle is fixedly connected to a hose, the right end of the hose is fixedly connected to a suction port of a suction tube, the puncture needle and the outer side of the suction tube are jointly provided with an auxiliary fixing mechanism, the auxiliary fixing mechanism comprises a movable seat, a deceleration and limiting mechanism is provided at the upper left end of the movable seat, a rotating seat is rotatably provided on the inner side of the connecting plate near the upper end, and a high-efficiency negative pressure mechanism is provided at the bottom end of the rotating seat and on the outer side of the hose. The present invention installs the puncture needle, the hose and the suction tube on the auxiliary fixing mechanism, thereby realizing precise position adjustment of the puncture needle according to the position of the tympanic membrane of different patients, the deceleration and limiting mechanism ensures the controllable puncture speed and depth, and the high-efficiency negative pressure mechanism can effectively control the air and liquid circulation state inside the hose through the forward button and the reverse button.

The invention relates to the technical field of auditory meatus nursing and cleaning devices, in particular to an auditory meatus cleaning device for ear-nose-throat department nursing. A limiting piston is arranged to transversely move towards one side under the pushing of cleaning liquid, so that when a liquid outlet sleeve moves towards one side on a fixing support, the liquid outlet sleeve can move towards the other side; when the cleaning liquid impacts turbine blades to rotate, the turbine blades drive a rotating base to rotate, and meanwhile, a cleaning spray head rotates to spray the cleaning liquid, so that the auditory meatus is rotationally scoured, and impurities in the auditory meatus are repeatedly impacted and crushed by the rotating cleaning liquid; a limiting piston is driven by cleaning liquid to transversely move, a liquid outlet sleeve is driven to push a flexible spring to move outwards, a top block enables a spherical air bag to be attached to a tympanic membrane to form protection, a temperature sensor generates data in real time according to the temperature of the auditory meatus, a control panel can control a heating rod to conduct heating, and the temperature of the cleaning liquid is consistent with the temperature of the auditory meatus.

The present application relates to the technical field of ossicle prosthesis. An adaptive base plate ossicle prosthesis comprises a base plate structure for connecting with a tympanic membrane and a stem, the base plate structure is fixedly connected with the stem, the base plate structure comprises a connecting part for connecting with the stem and at least six adaptive adjusting branches; all the adaptive adjusting branches are distributed at equal interval angles in a circumferential direction, and the inner sides of all the adaptive adjusting branches are fixedly connected with the outer side of the connecting part; gaps exist between all the adaptive adjusting branches. The present application is convenient for meeting the structure of the tympanic membrane and improving the fitting stability with the tympanic membrane through the adaptive adjusting branches. The independent adaptive adjusting branches will deform according to different regions of the tympanic membrane, so as to adapt to the structure of the tympanic membrane.

Systems and methods can be employed for trans-tympanic membrane access to the middle ear for delivery of a formulation to a targeted site under direct visualization. The systems and methods can also be used to improve accessibility and visualization for various otological surgical procedures, such as, but not limited to, cholesteatoma removal, tympanic membrane repair and ossicular chain repair.

The utility model discloses a combined tympanic membrane breather pipe structure which comprises a breather mounting pipe and a breather core pipe, the breather mounting pipe is arranged at a tympanic membrane opening, and the breather core pipe is assembled on the inner side of one end of the breather mounting pipe and connected with the breather mounting pipe in an inserted mode. The ventilation installation pipe comprises an installation sleeve and an anti-falling limiting ring, the installation sleeve is arranged at the position of an opening of the tympanic membrane, the anti-falling limiting ring is arranged at one end of the installation sleeve, and the anti-falling limiting ring and the installation sleeve are integrally formed. The ventilation installation pipe and the ventilation core pipe jointly form a split type ventilation pipe structure, the ventilation pipe can be placed conveniently, a clamping type fixing structure is formed after the ventilation pipe is assembled so that the ventilation pipe can be clamped on the tympanic membrane, the fixing effect is good, the falling-off phenomenon cannot occur after the ventilation pipe is placed, the operation effect is guaranteed, and if a certain part of the ventilation pipe is damaged, the ventilation pipe can be placed on the tympanic membrane. And corresponding parts can be replaced to prevent the whole breather pipe from being scrapped, so that the economic benefit is high.

The utility model discloses a tympanic membrane structure for a connecting rod fan, which comprises a tympanic membrane, a circular seal is arranged at the center of the tympanic membrane, and a horizontal limiting structure is arranged at the edge of the circular seal; a sealing pressing plate is assembled on the circular seal, a circular sealing groove is formed in the sealing pressing plate, the circular sealing groove is matched with the circular seal in the center of the tympanic membrane, and a limiting hole for containing the horizontal limiting structure is formed in the circular sealing groove. Through the arrangement of the horizontal limiting structure and the limiting hole which are matched with each other, mutual limiting between the tympanic membrane and the sealing pressing plate is completed, and the situation of air leakage caused by a torsion gap generated between the tympanic membrane and the sealing pressing plate in the working process is prevented.

Disclosed herein is a device for modeling properties of an ear. The device includes an artificial tympanic membrane and a housing coupled to the artificial tympanic membrane. The housing defines an interior portion coupled to an interior surface of the artificial tympanic membrane. The interior portion has an adjustable volume or an adjustable type of fluid and an adjustable gas pressure. Adjustment of the volume or type of fluid and the gas pressure changes a membrane movement to produce selected movement properties according to a mobility scale.

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.

A system for assessing AOM includes a computing device having a processor apparatus, wherein the processor apparatus implements a diagnostic classifier component that comprises a. trained neural network, the processor apparatus being structured and configured to receive tympanic membrane image data representing one or more images of a tympanic membrane of the patient, provide the tympanic membrane image data to the diagnostic classifier component, and process the tympanic membrane image data in the diagnostic classifier component to determine: (i) a plurality of tympanic membrane features from the tympanic membrane image data, (ii) a diagnosis of whether the patient has AOM based on the plurality of tympanic membrane features, (iii) a. confidence in the diagnosis, and (iv) an identification one or more of the tympanic membrane features determined to be predominant contributing features that led to the diagnosis.

Embodiments are directed to an electronic device configured to measure temperature from within an ear canal having a first bend, a second bend, and a tympanic membrane. The device comprises an enclosure comprising an in-canal section dimensioned for deployment in the ear canal. The in-canal section comprises a trough extending axially along at least a portion of the in-canal section and arranged to be positioned between the first bend and the tympanic membrane when the in-canal section is fully deployed in the ear canal. A temperature sensor is disposed in the trough. The temperature sensor comprises a flexible circuit board, a distal temperature sensor disposed on the flexible circuit board, and a proximal temperature sensor disposed on the flexible circuit board and situated proximal of, and spaced apart from, the distal temperature sensor in an outer ear direction.

A probe insertion apparatus for real ear measurement includes a probe tube, a reference microphone, a reference speaker, an operator feedback device, a memory, and a processor. The processor is configured to direct the reference speaker to continuously emit reference sound, continuously receive reference signals from the reference microphone and tympanic reflection signals from the measurement microphone, and continuously make determinations of a tympanic distance between the sound receiving end of the probe tube and a tympanic membrane based on the reference and tympanic reflection signals and absent reference to a calibration measurement, as the operator moves the sound receiving end towards the tympanic membrane. The processor is also configured to automatically direct the operator feedback device to provide indicia of the tympanic distance between the sound receiving end of the probe tube and a tympanic membrane, as the operator moves the sound receiving end towards the tympanic membrane.

The utility model relates to the technical field of medical instruments, and provides an ossicular prosthesis for tympanic sclerosis, comprising: an abutting disc for abutting against the tympanic membrane of a patient; one end of the connecting column is connected with the abutting disc, the other end of the connecting column is provided with a safety limiting piece, the end, away from the abutting disc, of the connecting column is used for being inserted into the inner ear vestibule of the patient, and the safety limiting piece is used for limiting the depth of the portion, inserted into the inner ear vestibule of the patient, of the connecting column; wherein the connecting column is provided with at least one winding ring, and the winding ring is used for adjusting the length of the connecting column. In the process of installing the ossicular prosthesis, when the connecting column needs to be lengthened, a doctor can clamp the winding ring through a clamp so that the two ends of the connecting column can be lengthened; when the connecting column needs to be shortened, a doctor can expand the winding ring with a tool to shorten the two ends of the winding ring. Therefore, the technical effect of quickly and conveniently adjusting the length of the connecting column is achieved. The ossicular prosthesis is more adaptive to the in-ear environment of a patient, and the operation efficiency of a doctor is improved.

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 application discloses a weak sound amplification device in the field of sound amplification technology, which comprises a base, a controller, a sealed shell and a carrier table; the controller is electrically connected with a signal component, a sound component and a power amplifier, and the power amplifier is electrically connected with a loudspeaker; the sound component comprises a bionic sound channel, the bionic sound channel is fixed with a tympanic membrane at the tail end, the tympanic membrane is attached to the left end of an auditory ossicular chain, and the auditory ossicular chain is hung on an auditory ossicular chain beam; the signal component comprises a manual workbench, a precision workbench and a piezoelectric stack support, the piezoelectric stack support is internally provided with a piezoelectric stack, the front end surface of the piezoelectric stack support is fixedly connected with the rear end of a probe support, and the front end of the probe support is provided with a conductive probe; the auditory ossicular chain and the auditory ossicular chain beam are made of conductive material and are electrically connected; the manual workbench, the precision workbench and the piezoelectric stack are used for adjusting the distance between the front end of the conductive probe and the right end of the auditory ossicular chain in three stages, so that the two are connected with the controller in series to form a closed quantum tunneling circuit. The application solves the problem of difficult weak sound collection.

The invention provides a tympanic membrane puncture positioning method and system based on a clinical image, and relates to the technical field of tympanic membrane puncture localization. The tympanic membrane puncture positioning method comprises the steps that a layered image of a target ear and a tympanic membrane clinical image are collected, and tympanic membrane edge contour data are extracted from the layered image; identifying a light cone vertex and an umbilical region from the clinical image as a first reference point, and setting at least three non-collinear auxiliary positioning mark points on the auricular conchae body surface as second reference points; then, a puncture target point is determined based on the edge contour data and the first reference point, the second reference point and the puncture target point are connected to construct a triangular cone model, and finally, the needle inserting angle and the puncture depth are calculated based on the model by adopting a space geometric positioning method so as to control optical guiding equipment to indicate a puncture path. Puncture parameters can be accurately calculated and a path can be guided through image analysis and cooperation of double reference points and a triangular cone model, and accurate positioning of a tympanic membrane puncture target spot is achieved.

The present application relates to a composition using an endothelin B receptor agonist, such as Sovastatin (N-succinyl-[Glu9, Ala11, 15] endothelin 1, IRL-1620), for promoting cell proliferation and protecting the original neuroepithelium of cochlear and vestibular cells located within the ear sac. The pharmaceutical composition is systemically administered by means of tympanic membrane puncture, cochleostomy or intravenous or intramuscular injection. A pharmaceutical composition for the treatment of sensorineural hearing loss and vestibular disorders caused by inner ear cell degeneration, the pharmaceutical composition comprising a compound of an endothelin analogue, the use being treated by the neuroprotection and neurogenesis mechanism of cochlear vestibular hair cells and synapses.

Embodiments are directed to an electronic device configured to measure temperature from within an ear canal having a first bend, a second bend, and a tympanic membrane. The device comprises an enclosure comprising an in-canal section dimensioned for deployment in the ear canal. The in-canal section comprises a trough extending axially along at least a portion of the in-canal section and arranged to be positioned between the first bend and the tympanic membrane when the in-canal section is fully deployed in the ear canal. A temperature sensor is disposed in the trough. The temperature sensor comprises a flexible circuit board, a distal temperature sensor disposed on the flexible circuit board, and a proximal temperature sensor disposed on the flexible circuit board and situated proximal of, and spaced apart from, the distal temperature sensor in an outer ear direction.

The present invention discloses an evaluation device and method for classifying the ear status of a population based on local feature recognition, comprising: collecting images of the patient's ear canal and tympanic membrane area, cleaning and statistically classifying the images to obtain a preprocessed image; extracting features from the preprocessed image to obtain ear surface features; pre-labeling and automatically labeling the ear surface features to obtain a labeled image; further cleaning the labeled image to obtain a cleaned image; constructing an image feature recognition model based on the YOLO framework, training the image feature recognition model based on the YOLO framework using the cleaned image to obtain a classification evaluation probability model for ear typing, and performing ear typing classification evaluation based on the ear typing classification evaluation probability model to obtain an evaluation result. The present invention can provide ordinary users with better ear information management and, to a certain extent, deepen people's understanding of ear status.

The invention relates to a combined auditory ossicle prosthesis. The combined auditory ossicle prosthesis comprises a top disc and a connecting rod, the top disc comprises a fixed disc and a detachable outer ring which is detachably connected with the outer ring of the fixed disc; the lower surface of the top disc is provided with a connecting seat assembly extending downwards from the center, and the connecting seat assembly comprises a connecting hole penetrating in the axial direction. The connecting rod is an elastic rod body formed by sequentially and alternately connecting first unit sections and second unit sections with the outer diameters changing alternately in the axial direction. And one end of the connecting rod is detachably connected with the connecting seat assembly through the connecting hole, and can axially move in the connecting hole to adjust the insertion depth. The diameter of the top disc of the prosthesis is adjustable, the length of the connecting rod is graded and adjustable, partial / all replacement operations are interchangeable, a single product covers the requirements of multiple specifications, an operator can accurately and finely adjust according to the requirements in an operation, perfect connection of the prosthesis with a stapedius base plate and a tympanic membrane is achieved, optimal sound transmission mechanical coupling is achieved, and the problems that selection is difficult and models are not matched are fundamentally solved.

Aspects of the present disclosure provide a system for preventing or treating tympanostomy tube infections. The system includes an ear tube that is configured to be placed within an ear of a subject. The ear tube has a shaft that extends from a proximal end to a distal end, and a lumen extends through the shaft. The ear tube also includes a flange extending from the shaft at the proximal end and a flange extending from the shaft at the distal end. The system further includes an optical waveguide that is configured to deliver antimicrobial light to a surface area of the ear tube while placed within the ear of the subject. The optical waveguide includes an optical fiber that is configured to deliver the antimicrobial light and a fiber collimator that is configured to guide the antimicrobial light towards the surface area of the ear tube.

The invention relates to the technical field of medical instruments, in particular to a disposable tympanic membrane and auditory meatus skin flap microscopic scalpel which comprises a grab handle, an auditory meatus skin flap scalpel end and a puncture curette end, and the auditory meatus skin flap scalpel end and the puncture curette end are fixed to the two ends of the grab handle respectively. The perforated curette end comprises a main body axially fixed on the grab handle, a bent section fixed at the end part of the main body and an elliptical ring fixed at the end part of the bent section, the main body, the bent section and the elliptical ring are integrally formed, an included angle is formed between the bent section and the main body, and convex elliptical cutting edges are arranged on two surfaces of the elliptical ring; the ear canal flap knife end comprises a knife rod fixed on the grab handle and a blade fixed at the end part of the knife rod, the blade is provided with an arc-shaped cutting edge, and the tip end of the blade is provided with a sharp edge. The scalpel can give consideration to tympanic membrane repairing and auditory meatus flap cutting operation, achieves multiple purposes, has higher operation efficiency and convenience, and is high in safety and low in manufacturing cost; the cutter changing steps and time in the operation are effectively reduced, and the operation efficiency is improved.

The invention provides active noise reduction equipment, and belongs to the technical field of noise control. The active noise reduction device comprises a tympanic membrane monitoring module used for monitoring vibration characteristics of a tympanic membrane, a secondary source loudspeaker used for emitting noise reduction sound waves and a control module. The control module determines noise characteristics of the residual noise based on the vibration characteristics of the tympanic membrane, determines an updated feedback noise reduction strategy based on the noise characteristics of the residual noise, and is used for controlling the secondary source loudspeaker to continuously emit noise reduction sound waves based on the updated feedback noise reduction strategy. Due to the fact that the noise feature of the residual noise determined based on the vibration feature of the tympanic membrane directly represents the noise feature sensed by the user, the influence of the ear canal feature of the user on the residual noise does not need to be considered, and a better feedback noise reduction control effect can be guaranteed while the complexity of a noise reduction processing algorithm is reduced.