248 results about "Tympanic Membranes" patented technology

The invention provides an otological disease auxiliary diagnosis large model construction method and a large model system, and relates to the technical field of multi-modal learning modeling, and the method comprises the following steps: building four diagnosis sub-models, comprising a hearing loss evaluation model, an auditory meatus and tympanic membrane / middle ear state or lesion evaluation model, an auditory meatus and middle ear structure evaluation model and a medical history and medical record model. The four diagnosis sub-models are trained; the outputs of the four diagnosis sub-models are fused, and a large ear disease clinical diagnosis model is constructed; evaluating and optimizing the performance of the otological disease clinical diagnosis large model; according to the method, multiple sub diagnosis models are fused, multi-source heterogeneous data are used for training, the generalization ability of the model can be improved, the model can adapt to different application scenes, the decision process of the model can be better understood by analyzing the output of each sub diagnosis model, and the credibility of the model is improved.

The invention discloses a tympanic membrane repair postoperative wound assessment method based on artificial intelligence, and relates to the technical field of medical assessment, and the method comprises the steps: obtaining multi-modal image data of a reference tympanic membrane and a target tympanic membrane through a multi-modal dynamic imaging fusion technology, determining a target biomechanical feature ratio through a biomechanical feature fusion technology, and obtaining a target tympanic membrane target biomechanical feature ratio; the method further comprises the steps of obtaining a physiological parameter set of the reference tympanic membrane and the target tympanic membrane, training an associated parameter prediction model to construct a metabolism-mechanical associated model, and achieving accurate evaluation of tympanic membrane wound healing conditions. The invention also covers related electronic equipment, a computer readable storage medium and a computer program product.

The invention relates to application of an antioxidant liposome in preparation of a medicine for preventing and / or treating inner ear injury caused by active oxygen accumulation, and belongs to the field of medical technologies and biological medical materials. The antioxidant lipidosome is rutin-entrapped lipidosome, and the inner ear injury is preferably cis-platinum induced inner ear injury. The antioxidant liposome disclosed by the invention is used for inhibiting active oxygen accumulation, mitochondrial injury and cell apoptosis in cells; the compound is used for inhibiting auditory hair cell mitochondrial injury in cochlea. The antioxidant liposome disclosed by the invention can be used for effectively packaging medicines and improving the bioavailability and the stability of the medicines; the limitation of a tympanic membrane barrier and other biological barriers can be overcome, so that the medicine can effectively reach the inner ear part; precise targeted delivery of the medicine can be achieved, and it is ensured that the medicine is intensively released at the needed position.

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 embodiment of the invention discloses a robot-assisted transauditory meatus inner ear injection sampling operation path planning method. The method comprises the following steps: acquiring original image data of a patient; performing auditory meatus target structure segmentation on the CT sequence image by using an artificial intelligence segmentation model; performing three-dimensional reconstruction on the ear canal target structure; selecting a starting point, a tympanic membrane punching point and a round window membrane needle inserting point according to the three-dimensional reconstruction image; performing path search by using an improved A * path planning algorithm; and carrying out smoothing processing on the path by using cubic spline interpolation so as to obtain a final planned path. Operation path planning is simplified, objective and scientific, subjective operation path deviation caused by clinical experience is reduced, the learning curve of a doctor is shortened, and the operation success rate is increased.

Disclosed herein are systems and methods for classifying a tympanic membrane by using a classifier. The classifier is a machine learning algorithm. A method for classifying a tympanic membrane includes steps of: receiving, from an interrogation system, one or more datasets relating to the tympanic membrane; determining a set of parameters from the one or more datasets, wherein at least one parameter of the set of parameters is related to a dynamic property or a static position of the tympanic membrane; and outputting a classification of the tympanic membrane based on a classifier model derived from the set of parameters. The classification comprises one or more of a state, a condition, or a mobility metric of the tympanic membrane.

Systems and methods can be employed for facilitating access and procedures in the outer, middle, and inner ear in order to diagnose or treat ear disorders including, but not limited to hearing loss and excessive ear wax. In some examples, the systems and methods include instruments and techniques that facilitate trans-tympanic membrane or trans-fibrous ring access to the middle ear. The systems and methods can also be used to improve accessibility 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 medical equipment, in particular to a tympanic membrane ventilation pipe, a conveyor and a catheterization system of the tympanic membrane ventilation pipe. The device is suitable for tympanic membrane ventilation pipe indwelling. The tympanic membrane ventilation pipe comprises an inner claw, a pipe body and an outer claw, the pipe body is a hollow pipe, the two ends of the pipe body are fixedly connected with one end of the inner claw and one end of the outer claw respectively, and the other ends of the inner claw and the outer claw are free ends; the free end is made of memory alloy, is in a straightened state at the temperature of 0 DEG C and is in a bent state at the temperature of 20-40 DEG C. And the inner claw and the outer claw are bent to realize multi-point and internal and external bidirectional fixation. The invention further provides a brand-new conveyor which is used in cooperation with the tympanic membrane ventilation pipe to form a tympanic membrane ventilation pipe indwelling system, tympanic membrane incision is not conducted any more through tympanic membrane ventilation pipe indwelling, the cutting process, the leading-in process and the indwelling process are integrated, the puncture hole diameter size and depth are effectively controlled, accidental injuries are reduced, the operation safety degree is improved, the operation operation is simplified, and the operation duration is shortened.

The invention provides a sound leakage detection method and device, computer equipment, a storage medium and a program product, and is applied to the technical field of audio equipment. The method comprises the steps of determining a sound pressure level at an ear canal entrance of a first object under the condition that a wearable audio device plays an audio in a sound leakage test scene; the sound leakage test scene is a scene in which the test audio influences the first object when the second object uses the wearable audio equipment; determining a sound pressure level at the tympanic membrane of the first object based on the sound pressure level at the ear canal entrance; and determining a sound leakage value of the wearable audio equipment according to the sound pressure level at the tympanic membrane. According to the method, the technical effect of improving the reliability of sound leakage detection is achieved.

The invention belongs to the technical field of external auditory canal flushing, and particularly relates to an external auditory canal visible constant-temperature flusher which specifically comprises a heating mechanism, a camera shooting mechanism, a flow control mechanism, a residual liquid collecting mechanism, a flushing pipe assembly, an elastic liquid supply mechanism and a heating mechanism. An infusion tube is connected between the liquid storage bottle and the elastic liquid supply mechanism, an annular heater and a temperature sensor which are tightly attached to the surface of the liquid storage bottle are arranged in the heating mechanism, and the flow control mechanism is arranged on the outer side of the camera shooting mechanism in a sleeving mode. The flow control mechanism is pushed forwards to open the valve from the elastic liquid supply mechanism to the flushing pipe assembly and control the opening and closing degree, the elastic liquid supply mechanism is pressed by the hand to control the flushing flow and draw flushing liquid, the flushing liquid obliquely flushes the external auditory canal from the end of the flushing pipe assembly, stimulation to the tympanic membrane is avoided, and the auditory canal flushing effect is improved. And foreign matters and cerumen are prevented from rushing into the deep part of the auditory meatus by oblique scouring.

The invention discloses an automatic positioning method and system for a catheterization point in an eardrum hydrops operation and a storage medium, relates to the technical field of medical image processing, and aims to solve the problem that the existing catheterization point positioning method based on deep learning is generally a black box model, cannot give a basis for recommending the catheterization point by the model, and cannot enable the obtained catheterization point result to be reliable for medical care. The method comprises the following steps: firstly, constructing a tympanic membrane contour data set and an auxiliary point data set; constructing a tympanic membrane segmentation model comprising a noise reduction generation unit, a sensing compression unit and a multi-modal condition coding unit; through dynamic fusion of texture features, a semantic graph and hidden space representation, high-precision segmentation of the tympanic membrane contour of the ear endoscope image is realized. Identifying an in-ear hammer bone handle and an umbilical region of the ear endoscope image through the target detection model; and determining an eardrum hydrops operation catheterization point according to a mirror image relationship between the left ear and the right ear by combining the tympanic membrane profile curve and the identified in-ear hammer bone handle and the umbilical region.

A system comprising a hearing device and an earmuff, and an earmuff configured to seal an ear canal of a user, the earmuff configured to be attached to the hearing device worn by the user, the earmuff comprising: a hollow central tubular portion configured to provide a fluid connection between the hearing device and the ear canal; wherein a first opening is provided in the tubular portion, the first opening being configured to be directed towards a hearing device when the earmuff is worn in an intended position in a user's ear; a first circumferential flange connected to the tubular portion, wherein the first circumferential flange extends radially outward from the tubular portion; wherein the first circumferential flange bends away from the first opening and forms a concave surface to the tympanic membrane when the earmuff is worn in a desired position in the user's ear.

The invention relates to the technical field of loudspeakers, in particular to a vocal music loudspeaker with light, which comprises a mounting panel, a loudspeaker opening is formed in the mounting panel, a loudspeaker body is mounted on the right side of the loudspeaker opening and comprises a frame, and a drum membrane, a first elastic metal ring and a second elastic metal ring are arranged on the left portion of the frame. The drum membrane fixing clamp is arranged between the first elastic metal ring and the second elastic metal ring, a baffle is fixedly arranged at the inner ring of the left end of the basin stand, heat dissipation holes are formed in the baffle, a metal substrate is arranged on the right side of the baffle, and the lamp strip is attached to the metal substrate; the right end of the metal substrate and the first elastic metal ring are arranged at an interval, and the interval is filled with sound absorption sponge. The outer edge of the tympanic membrane can drive the first elastic metal ring and the second elastic metal ring to follow up, the tympanic membrane is prevented from being damaged due to the fact that the tympanic membrane exceeds the vibration stroke, meanwhile, airflow exchange between the heat dissipation cavity and the outside is accelerated when the first elastic metal ring and the second elastic metal ring vibrate, and the heat dissipation effect of the heat dissipation cavity is improved.

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.

The utility model discloses a cup-shaped top plate artificial titanium ossicular which comprises an ossicular plate arranged on one side of a tympanic membrane, an ossicular mechanism used for forming a linear ossicular structure, an adjusting mechanism used for adjusting the installation angle of the ossicular, and a top plate mechanism used for being connected with stapes, the auditory ossicle mechanism is arranged on the side, away from the tympanic membrane, of the auditory ossicle disc, the adjusting mechanism is arranged at the end of the auditory ossicle mechanism, and the top disc mechanism is assembled at the end, away from the auditory ossicle disc, of the auditory ossicle mechanism. The artificial ossicle is simple in structure and suitable for various installation conditions, modular design is adopted, assembling and disassembling are convenient, the top disc mechanism is arranged, the cup-shaped top disc structure is filled with the adaptive rubber pad structure, the connecting position of the top disc mechanism and the stapes can be filled, a gap between the top disc mechanism and the stapes is avoided, and the matching precision between the artificial ossicle and the stapes is effectively improved.

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 provides an outer cover structure, a detection device, and a method for manufacturing the detection device, and provides an outer cover structure that can reliably protect the detection part, a detection device having the outer cover structure, and a method for manufacturing the detection device. The detection device 1 of the present invention comprises: a temperature sensor (4) for detecting the temperature of a human eardrum; a support member (2) including a columnar portion (11) at the front end (11a) of which the temperature sensor (4) is mounted; an outer cover (8) covering the temperature sensor (4); and a heat shrinkable tube (10) that is tightly attached to the peripheral wall (8a) of the outer cover (8) and the side surface (11b) of the columnar portion (11) in a shrunken state after heating.

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 utility model discloses an anti-falling artificial ossicular structure which comprises an ossicular disc arranged on one side of a tympanic membrane and further comprises an ossicular mechanism used for forming a multi-section ossicular structure, an adjusting mechanism used for adjusting the ossicular installation angle and a supporting mechanism used for preventing the ossicular from falling off. The auditory membrane mechanism is arranged on the auditory ossicle disc, the auditory ossicle mechanism is arranged on the auditory ossicle disc, the auditory membrane mechanism is arranged on the auditory ossicle disc, the auditory ossicle mechanism is arranged on the side, away from the auditory membrane mechanism, of the auditory ossicle disc, the adjusting mechanism is assembled on the side portion of the auditory ossicle mechanism, and the supporting mechanism is arranged at the end, away from the auditory ossicle disc, of the auditory ossicle mechanism. The mounting angle of the artificial auditory ossicle can be adjusted according to actual conditions, the use flexibility is high, the supporting mechanism is arranged, the artificial auditory ossicle can be stably and reliably supported and fixed between the tympanic membrane and the stapes, the problem of lodging and dislocation is not prone to occurring, the mounting stability is high, the structure is gentle and reliable, and injury to a patient is avoided.

1. The name of the product of this design: Tympanic membrane perforation measuring ruler. 2. Purpose of the product of this design: used to measure the size of eardrum perforation caused by otitis media and trauma. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention relates to the technical field of biological hydrogel for tympanic membrane treatment, and particularly discloses liquid quick-drying antibacterial hydrogel for tympanic membrane perforation treatment as well as a preparation method and application of the liquid quick-drying antibacterial hydrogel. The liquid quick-dry antibacterial hydrogel for tympanic membrane perforation treatment comprises the following raw materials in percentage by weight: 8-12% of polyvinyl alcohol, 2-4% of oxidized dextran, 15-25% of a functional compound and the balance of a solvent, according to the liquid quick-dry antibacterial hydrogel for tympanic membrane perforation treatment, the film forming characteristic of polyvinyl alcohol is utilized, conversion of a thin film from low modulus to high modulus is completed through quick crosslinking / solvent volatilization, tympanic membrane vibration function recovery is achieved, a novel tympanic membrane perforation treatment mode is formed, the preparation method is simple, preparation conditions are mild, and the hydrogel is suitable for being used for tympanic membrane perforation treatment. The process feasibility is high, the obtained hydrogel is used for tympanic membrane perforation treatment by dropwise adding a simple needle to a tympanic membrane perforation position, and the requirement on the operation level of an operator is avoided.

The invention relates to the technical field of medical instruments, and discloses a tympanic stent and a using method thereof.The tympanic stent comprises a top ring, a first connecting rod, a length adjusting rod, a bottom ring, a second connecting rod, a height adjusting rod and a supporting rod, a first notch is formed in the front side of the top ring, and the two ends of the first notch are connected with first free silk threads respectively; the two ends of the first notch are connected with the length adjusting rod, a second notch is formed in the front side of the bottom ring, the two ends of the second notch are connected with second free silk threads respectively, and the height adjusting rod is arranged on the rear side between the top ring and the bottom ring. The whole tympanic cavity stent is in a drum shape, the stent is arranged in a tympanic cavity, and the tympanic cavity does not need to be filled with absorbable materials such as gelatin sponge; the size of the top ring and the size of the bottom ring can be adjusted through the length adjusting rod to be matched with the tympanic chamber, and the inclination angle of the top ring can be adjusted to be matched with the residual tympanic membrane through the height adjusting rod and knotting of the first free silk thread and the second free silk thread. The invention further provides a using method of the support.

A tympanostomy tube placement device has a stem (107, 607) with a needle (104, 604) having a tip (106, 606) configured to pierce a tympanic membrane. A retainer (120, 620) is on the needle and comprises four fingers (121, 621) extending axially at a distance from said axis and at 90° circumferential separations in one example. The retainer (120, 620) is movable from a distal position at which it presses radially inwardly against the tube distal flange tabs (15, 515) to retain the distal flange in a folded position, to a proximal position at which the tube distal flange (15, 515) is free to spring out radially to a deployed position. The retainer fingers (121, 621) extend through tube proximal flange passageways (10, 510) and press the tube distal flange (6, 506) inwardly, while leaving a distally-facing face (5) of the proximal flange exposed radially outwardly of the retainer (120, 620). Hence, the proximal flange has its final deployed configuration throughout, and so can act as a physical stop member against the tympanic membrane and also provides visualisation for the surgeon because it extends radially outwardly of the stem.

The utility model discloses an anti-blocking tympanic membrane breather pipe which comprises a pipe body, the inside of the pipe body is of a hollow structure, the anti-blocking mechanism is used for preventing the breather pipe from being blocked, the installation mechanism is used for forming an installation structure inside the breather pipe, the positioning mechanism is used for positioning the breather pipe, and the anti-blocking mechanism is arranged at one end of the pipe body. The anti-blocking breather pipe has the advantages that the anti-blocking mechanism is arranged, blockage in the pipe body can be cleaned through a tool, the use effect of the breather pipe is guaranteed, the installation mechanism is matched with the positioning mechanism, the anti-blocking breather pipe is convenient to install, and the anti-blocking breather pipe is convenient to use. The positioning mechanism can be elastically assembled on the side portion of the tube body, the matching precision of the positioning mechanism and the tube body is guaranteed, the positioning stability between the vent tube and the ear canal can be effectively improved through the positioning mechanism, the vent tube is prevented from shifting or falling off while the ventilation effect of the vent tube is guaranteed, and the using effect of the vent tube is improved.

The invention relates to the technical field of medical instruments, and discloses a flow-adjustable tympanic cavity administration capillary puncture microneedle which comprises an administration tube and a guide core. The dosing tube comprises a puncture part, an infusion part and a limiting part located at the far end of the infusion part, the puncture part partially extends into the infusion part and is communicated with an inner cavity of the infusion part through the connecting port, the puncture part is used for puncturing the tympanic membrane, and the limiting part is used for abutting against the outer surface of the tympanic membrane. The guiding core body is partially located in the inner cavity of the infusion part and is suitable for rotating around the center axis of the infusion part in the first direction to the end to gradually block the connecting opening or rotating in the second direction opposite to the first direction to the end to be gradually away from the connecting opening. Compared with a traditional puncture microneedle, the puncture microneedle provided by the invention can accurately adjust the administration flow and control the administration amount. Meanwhile, the device is simple in structure, low in material cost and suitable for large-scale production, popularization and application.

The invention relates to the technical field of auditory ossicle prostheses. A self-adaptive chassis auditory ossicle prosthesis comprises a chassis structure used for being connected with a tympanic membrane and a rod body, the chassis structure is fixedly connected with the rod body, and the chassis structure comprises a connecting part used for being connected with the rod body and at least six self-adaptive adjusting branches; all the self-adaptive adjusting branches are distributed at equal angle intervals in the circumferential direction, and the inner sides of all the self-adaptive adjusting branches are fixedly connected with the outer side of the connecting part; and gaps exist among all the self-adaptive adjusting branches. According to the invention, through self-adaptive adjustment of the branches, the tympanic membrane structure is met, and the fitting stability with the tympanic membrane is improved. The independent self-adaptive adjusting branches can deform according to different areas of the tympanic membrane so as to adapt to the tympanic membrane structure.