36 results about "Middle ear" patented technology

The present disclosure provides an endoscopic apparatus and associated methods. The apparatus may include a steerable tool having a first flexible tube concentrically nested within a second flexible tube. The apparatus may include an end cap disposed on the steerable tool, an image sensor disposed on the end cap, and one or more light sources disposed on the end cap. The apparatus may be configured for accessing a region within a middle ear cavity of a patient. As such, the apparatus may further include a flexible tube, through which the steerable tool may extend, as well as a pre-curved rigid tube, through which the flexible tube may extend, thus allowing the apparatus to be deployed for middle ear access.

The invention relates to the technical field of crossing of medical instruments and artificial intelligence, and provides a hearing threshold detection method based on multi-mode hearing electrophysiological signal fusion. Comprising stimulation frequency otoacoustic emission and auditory brainstem response induced by sweep frequency stimulation sound, distortion product otoacoustic emission induced by dual-tone stimulation and middle ear sound immittance / reflection signals, and a multi-task deep learning model is constructed to perform fusion analysis on the signals. According to the method, accurate quantitative regression prediction of hearing thresholds with any frequency resolution and automatic classification and discrimination of hearing loss properties are synchronously realized, the problems of single evaluation dimension and insufficient complex hearing loss analysis ability in the prior art are effectively solved, the comprehensiveness, accuracy and clinical operation efficiency of objective hearing evaluation are remarkably improved, and the method is suitable for popularization and application. And an innovative system solution is provided for fine diagnosis of the auditory function.

This invention relates to the field of neuroscience research and biomedical engineering experimental equipment, and discloses a stereotaxic brain localization device suitable for turtles and its usage method. The device includes an original base plate, an extended base plate assembly connected by splicing, a turtle shell limiting assembly mounted on the base plate, a curved platform, a modified semi-circular ear rod, a mouth clamp with an endotracheal intubation port, and a magnetic skull leveler. This invention expands the operating space through the extended plate and uses an arc-shaped limiting baffle to fix the turtle's position; the specially designed semi-circular ear rod adapts to the shallow concave middle ear structure of turtles, avoiding damage; the mouth clamp integrates height and length adjustment functions and has a reserved endotracheal intubation channel to maintain the experimental animal's respiration; the magnetic skull leveler can precisely adjust the head level using four corner nuts. This device enables precise localization of turtle brain regions and electrode implantation, providing stable and accurate hardware support for turtle movement regulation and neuroscience research.

This invention discloses a device for attaching an optical element, such as an otoscope, to a smartphone for diagnosing and / or identifying problems in the outer ear, middle ear, and / or ear canal of a patient. The device may include a body. The body may include a hole and a first engagement member configured to engage with a second engagement structure belonging to the optical element. A first surface may be attached to the body and configured to contact a first smartphone surface. A piston may be provided, which may include a second surface parallel to the first surface and configured to contact a second smartphone surface. A threaded knob may be provided, connected to the piston through the hole.

The utility model relates to the field of middle ear analyser, more specifically, relate to a novel middle ear analyser positive and negative air pressure mechanical device, including air nozzle and gas supply device, the air nozzle is connected with gas supply device through the micro -adjusting air pipe, the micro -adjusting air pipe is equipped with fixed magnetic ring one side close to the air nozzle, is equipped with the sliding magnetic ring on the micro -adjusting air pipe one side close to gas supply device, the utility model discloses a novel middle ear analyser positive and negative air pressure mechanical device, relative to traditional technology, because air nozzle and gas supply device no longer directly connect, but adopt the micro -adjusting air pipe and connect, because the diameter of micro -adjusting air pipe is determined when producing, therefore only need to determine the total length of micro -adjusting air pipe and the distance of sliding magnetic ring and fixed magnetic ring, can adjust the accurate volume, because the volume is determined through the pipe length x radius square x pi, and such structural error is less, and the adjustment is convenient.

An apparatus includes a first portion configured to attach to a target middle ear portion of a recipient's body. The apparatus also includes an elongated second portion that is rigidly fixed to and extends from the first portion. The second portion has an end portion configured to be rigidly secured to a transducer assembly having a longitudinal axis. The second portion extends from the transducer assembly at an angle greater than 30 degrees relative to the longitudinal axis. The first portion and the second portion are configured to respond to a first vibration displacement of the target middle ear portion by providing a second vibration displacement to the transducer assembly. The second vibration displacement is greater than the first vibration displacement.

This invention discloses a wearable ultrasound delivery device for treating otitis media, comprising a wearable main body with a flexible structure adapted to the shape of the patient's ear canal, and a through-hole central channel; an ultrasound drug delivery device, detachably disposed within the central channel, comprising a drug carrier for carrying the therapeutic drug to be delivered, an ultrasound transducer assembly for providing an ultrasound-guided drug delivery mode, and a handheld controller for adjusting the millimeter-level displacement of the drug carrier into the middle ear cavity; wherein, the ultrasound transducer assembly comprises a flexible substrate and multiple piezoelectric transducer units integrated on the flexible substrate, the multiple piezoelectric transducer units constituting a phased array transducer array. This device solves the technical problems of inaccurate drug delivery, low drug delivery efficiency, inability to adapt to the ear canal structure, and complex operation in the prior art.

A device and method for treating a middle ear disorder in a patient includes providing to the patient an intraoral vibration device having a mouthpiece for contacting an oral cavity of the patient, wherein the intraoral vibration device has a frequency tuned to treat the middle ear disorder, and providing instructions for using the intraoral vibration device. The instructions provided for using the intraoral vibration device include placing the mouthpiece over at least one portion of the oral cavity, and applying a vibratory force at the frequency to treat the middle ear disorder.

An apparatus for detecting ear structure movements or changes, or changes in pressure in the ear-canal of a user, in order to control or affect the function of an associated device. The apparatus includes a sensor apparatus capable of being worn by the user to be located in or adjacent an ear-canal of the user. The sensor apparatus includes at least one sensor being located and configured to detect and capture sensor data relating to middle ear, ear-drum complex, ear-drum margin, and / or other ear structure movements or changes of characteristics, or changes in pressure in the ear-canal of the user. A device is provided for processing and analysing sensor data from the sensor apparatus. The device analyses sensor data concerning: eye movement or directional auditory attention or focus data, and / or voluntary control data.

An exemplary system and method are disclosed for the assessment of auditory sound conduction in the outer and middle ears in newborns and infants during the time of standard universal newborn hearing screening (UNHS) (inpatient and outpatient) in the first month of life using absorbance peak template (APT) analysis. Rather than using normative ranges showing the bounds of normal absorbance values at each frequency across frequencies, the exemplary system and method employ analysis of coherent morphological absorbance-frequency features, which are most diagnostically useful and theoretically informative, in the mid-frequency absorbance peak. The analysis can detect mid-frequency absorbance peaks in the absorbance peak template while also providing an overlay of the absorbance vs. frequency plot on the screen of the test instrument to determine key metrics in the parameters for normal absorbance peaks.

The invention belongs to the technical field of agricultural product detection. The invention particularly relates to a method for detecting the peel residue rate of fresh corn. The detection method comprises the following steps: (1) harvesting and obtaining fresh corn ears; (2) screening the fresh corn ears to obtain high-quality test ears; (3) cutting off seeds at the tips and the tails of the high-quality test clusters to obtain middle clusters; (4) stripping the grains of the middle clusters to obtain test grains; (5) mincing the test grains to obtain broken grains, and weighing the broken grains to obtain W1; washing the crushed grains to obtain seed coats, then drying and weighing W2; and (6) calculating according to a formula W2 / W1 * 100% to obtain the peel residue rate of the fresh corn. According to the method disclosed by the invention, the water content of the peel residues is ensured to be constant through a standardized operation process, particularly centrifugal dewatering treatment, the accuracy and repeatability of a detection result are remarkably improved, and a reliable quantitative basis is provided for the fresh corn industry.

The invention relates to the technical field of biomedical engineering. A middle ear fully-implanted artificial cochlea comprises a sensing part and a stimulating electrode part, and the sensing part is directly connected with the stimulating electrode part. The sensing part comprises a supporting layer, and the supporting layer is made of silicon or silicon dioxide; the sensing part further comprises piezoelectric units fixed on the supporting layer, and each piezoelectric unit comprises an upper electrode layer, a piezoelectric sensing layer made of a piezoelectric material and a lower electrode layer which are stacked in the thickness direction; the resonant frequencies of the piezoelectric units are different; the stimulating electrode part comprises platinum electrode contacts which are arranged in one-to-one correspondence with the piezoelectric units, and the platinum electrode contacts are connected with the piezoelectric units through platinum wires; the stimulating electrode part further comprises an insulating sleeve connected with the supporting layer, and the platinum electrode contacts are sequentially arranged in the length direction of the insulating sleeve. A signal processing circuit between a traditional sensing part and a stimulating electrode part is omitted, meanwhile, external power supply and an active circuit are not needed, and sound-electricity conversion is achieved purely depending on the piezoelectric effect.

Embodiments disclosed herein relate to an endoscopic device and a method to provide dynamic visualization of the middle ear. The endoscopic device includes a handle and a shaft extending therefrom. The shaft includes a rigid portion distal the handle and an articulating portion distal the rigid portion. The articulating portion is configured to articulate with respect to the rigid portion. The articulating portion includes an imaging sensor coupled thereto. The handle can include one or more actuators configured to cause the articulating portion to articulate.

Method and system for tracking of acoustic vibrations of a structural element of the middle or inner ear with optical coherence tomography using an acoustic source configured to generate an acoustic stimulus to induce vibrations of the structural element; an OCT device configured to measure a measurement signal comprising vibrographic information representative for the vibrations of the structural element in a measurement direction and an optical tracking system arranged to measure a tracking signal representative for displacements of the structural element in at least a tracking direction perpendicular to the measurement direction.

Systems and methods can be employed for access to the middle ear for delivery of a formulation to a targeted site under direct visualization. The formulation, in some cases, can be delivered to a cochlear implant lead insertion site where a lead of a cochlear implant device enters a patient's cochlea.

The utility model discloses a weight reduction type vehicle lower control box which comprises a main frame and a surrounding plate, the main frame comprises a top bearing part and a front side supporting part, the top bearing part comprises two top cross beams which are arranged in parallel, the end corner of each top cross beam is provided with an end lifting lug, and the front side supporting part is provided with a front side supporting part; two middle lifting lugs are arranged in the middle of each top cross beam at intervals; the front side supporting part comprises two vertical beams vertically connected to the front side of the top cross beam and at least one supporting vertical plate perpendicular to the top cross beam. The coaming comprises a top plate covering the top of the main frame, a bottom plate covering the bottom of the main frame, and a front side plate, a rear side plate, a left side plate and a right side plate covering the periphery of the main frame. According to the mode, the main frame is optimized through stress distribution, the bearing capacity is guaranteed, meanwhile, weight reduction is achieved, load distribution is dispersed through eight lifting lugs, stress concentration is avoided, redundant materials are reduced, the weight is further reduced, and light weight is achieved.

The invention belongs to the technical field of biological medicines, and particularly relates to application of butyric acid-producing enteromonas in prevention and treatment of senile deafness. It is found for the first time that the butyric acid producing enteromonas sp. Has a remarkable hearing protection effect in a senile deafness model; the action mechanism is mainly embodied in that by improving hearing threshold rise caused by aging, the structural integrity of cochlea hair cells is partially protected to relieve arrangement disorder and deletion of outer hair cells, and the number of inner ear spiral neuron ganglions and vascular stripe aging cells is effectively reduced; meanwhile, the high expression of Pvalb key genes and Parvalbumin in neurons and hair cells of spiral ganglions is up-regulated, so that the synergistic effect is achieved by enhancing the sound transmission muscle efficiency of the middle ear, improving the blood vessel microcirculation of the inner ear, stabilizing the hair cytoskeleton and protecting nerves. The invention provides a new candidate strain resource and an intervention target for preventing and treating senile deafness, and has important clinical application prospect and social value.

The application discloses a four-in-one in-ear hearing aid earphone, which comprises two earphones, each of which is provided with a shell; a bone conduction hearing aid device is arranged in the inner cavity of the first side of the shell of each earphone; a loudspeaker sounding device is arranged in the inner cavity of the second side of the shell of each earphone; a control circuit is electrically connected with the bone conduction hearing aid devices and the loudspeaker sounding devices of the two earphones respectively, and is used for controlling the two bone conduction hearing aid devices and the two loudspeaker sounding devices to simultaneously output audio signals input to the control circuit by a sound pickup device. The four sounding units simultaneously conduct sound waves, the hearing aid effect is better, the four-in-one in-ear hearing aid earphone is suitable for people with damage, inflammation or functional degradation of ear canal, eardrum, middle ear or inner ear, and is also suitable for specific people with damage, degradation or tissue lesions of bone tissue such as skull, and is flexible to use, and has better compatibility and universality.

Attorney Docket No. 15738.0014-00000 19 Abstract A device and method for treating a middle ear disorder in a patient includes providing to the patient an intraoral vibration device having a mouthpiece for contacting an oral cavity of the patient, wherein the intraoral vibration device has a frequency tuned to treat the middle ear disorder, and providing instructions for using the intraoral vibration device. The instructions provided for using the intraoral vibration device include placing the mouthpiece over at least one portion of the oral cavity, and applying a vibratory force at the frequency to treat the middle ear disorder. Abstract disorder. 19 20 25 28 36 38 20 D ec 2 02 5 A b s t r a c t 2 0 2 5 2 8 3 6 3 8 2 0 D e c 2 0 2 5 1 9 1 / 2 100 102 104 FIG. 1A 20 25 28 36 38 20 D ec 2 02 5 2 0 D e c 2 0 2 5 1 / 2 2 0 2 5 2 8 3 6 3 8 1 0 0 1 0 2 1 0 4 F I G . 1 A

The invention provides a bone conduction control method based on a high-frequency ceramic vibrator, and the method comprises the steps: enabling a to-be-detected organism to be fixed, enabling a vibrator sounder to be attached to a skull of the to-be-detected organism, enabling the vibrator sounder to generate vibration according to a stimulation signal, and transmitting the vibration to a skull part; detecting and analyzing an auditory brainstem signal generated by the skull part through vibration to obtain a bone conduction auditory threshold value; and comparing the bone conduction auditory threshold with the air conduction auditory threshold to judge the lesion position. By comparing the bone conduction threshold value with the air conduction threshold value, whether the hearing loss is derived from the middle ear conduction disorder or the inner ear sensorineural disorder can be clearly judged, so that accurate distinguishing of lesion positions is realized, and the limitation that the air conduction test is restricted by the middle ear function is overcome.

The utility model relates to the field of middle ear analyser, more specifically, relate to a novel middle ear analyser, including setting up on the middle ear analyser middle ear analyser positive pressure control air bag, air pressure regulating mouth and connecting air pipe, one end of connecting air pipe is connected with middle ear analyser positive pressure control air bag, and the other end is connected with connecting air nozzle, middle ear analyser positive pressure control air bag is equipped with air pipe fixing seat between connecting air nozzle, and the clamping of connecting air pipe around is established on air pipe fixing seat, the magnetic bead for adjusting air bag pressure is equipped in connecting air pipe, the utility model discloses a novel middle ear analyser, and the clamping of connecting air pipe around is established on air pipe fixing seat, therefore, the installation of connecting air pipe is convenient, makes connecting air pipe after the clamping, can realize orderly wiring, and because the magnetic bead can move in connecting air pipe according to the positive and negative air pressure of middle ear analyser positive pressure control air bag output, realizes the function of air pressure regulation and shock absorption.

Systems and methods can be employed for access to the middle ear for delivery of a formulation to a targeted site under direct visualization. The formulation, in some cases, can be delivered to a cochlear implant lead insertion site where a lead of a cochlear implant device enters a patient's cochlea.

The invention discloses a carsickness prevention method and device. High-pressure gas with variable frequency and pressure intensity can be generated in a running vehicle. In a dynamic system formed by the nose, the ears and the eyes of a carsickness person, and'airflow with variable frequency and pressure 'and'images seen by the eyes' in a vehicle, the variable high pressure or gas can enter or be conducted to the vestibule of the carsickness person through the ears or the nose, so that the vestibule directly or indirectly sends a false motion signal to the brain, and the false motion signal is transmitted to the brain of the carsickness person. And meanwhile, the eyes can generate a static signal and transmit the static signal to the brain, and the brain can carsickness after receiving a motion and static conflict signal. After the mask, the eyeshade and the earplugs are worn, the nose (mouth), the ears and the eyes of a carsickness person can be separated from the system to form a new independent system, so that variable high pressure or gas does not enter the middle ears through the nose and the ears, false motion signals generated by the vestibule and transmitted to the brain are avoided or reduced, and no static signals generated by the eyes and transmitted to the brain are generated; carsickness caused by the fact that the brain receives motion and static conflict signals is avoided or reduced.

The invention discloses a broadband middle ear impedance and otoacoustic emission combined hearing threshold prediction method and a broadband middle ear impedance and otoacoustic emission combined hearing threshold prediction system. The method comprises the following steps: determining a detection mode and initializing detection parameters; auditory meatus sealing and environmental noise self-inspection, broadband middle ear impedance detection and otoacoustic emission detection are sequentially executed, and broadband middle ear impedance related features and otoacoustic emission related features are extracted respectively; fusing the two types of features to construct a joint feature, inputting the joint feature into a hearing prediction model, outputting a hearing threshold prediction value or a hearing condition evaluation result, and generating a detection report; according to the system, a modular architecture of a core control and acquisition unit and an air pressure adjusting unit is adopted, and core hardware is reused to realize one-stop detection of middle ear and inner ear functions; according to the method, the middle ear conduction characteristic and the inner ear active function are jointly modeled, key links of an auditory pathway are comprehensively covered, the accuracy of hearing threshold prediction is improved, the detection process is automatic, subjective cooperation of a subject is not needed, and the clinical adaptability is high.

In an automatic pressure control system for a hyperbaric oxygen chamber for detecting the pressure equilibrium state between an outer ear and an inner ear, according to an embodiment of the present disclosure, at least one processor may be configured to: calculate an admittance of an eardrum on the basis of the energy level of output waves output from a speaker and the energy level of reflected waves input from a microphone; determine whether a pressure equilibrium state has occurred, on the basis of a change in the calculated admittance; and control an air supply valve on the basis of the determination of whether a pressure equilibrium state has occurred.

Various embodiments of the present disclosure disclose various tympanometry techniques. A tympanometry curve is generated for a user based at least in part on audio data indicative of a sound absorbance associated with a middle ear (ME) system over a fragment of an evaluation time period. A curve-pressure pair including the tympanometry curve and a correlating pressure measurement is generated and utilized to identify historical data indicative of a plurality of historical curve-pressure pairs with similar pressure measurements to the correlating pressure measurement. A performance metric is generated for the ME system of the user based at least in part on a comparison between the tympanometry curve and the historical data.

The invention discloses application of an umbilical cord mesenchymal stem cell exosome in preparation of a medicine for treating otitis media. Belongs to the technical field of biological medicine. The hUCMSCs-Exos extracted by the invention can obviously improve mouse hearing function loss caused by otitis media, relieve pathological injury of middle ear tissues caused by otitis media, relieve local inflammatory factor expression in middle ears and relieve otitis media symptoms. Different from traditional antibiotic drugs, hUCMSCs-Exos provides a brand new drug candidate and a treatment method for clinically solving otitis media.

Certain embodiments described herein provide a method of performing an otological surgical procedure including surgically accessing a middle ear, injecting a perfluorocarbon liquid into the middle ear, and suctioning the isolated blood from the middle ear without removing the perfluorocarbon liquid. The perfluorocarbon liquid is immiscible with blood for isolating blood in the middle ear from the perfluorocarbon liquid. In certain embodiments, the perfluorocarbon liquid has a specific gravity greater than blood to apply positive pressure to surrounding tissues. In certain embodiments, the method includes suctioning the perfluorocarbon liquid from the middle ear after the isolated blood is removed.

The utility model relates to the field of ear hook elastic piece assembling jigs, and discloses a square ear hook elastic piece assembling jig which comprises a base, the top end of the base is fixedly connected with a support, the middle end of the support is provided with a shaping sliding block, the front end of the shaping sliding block is provided with a cover plate, the front end of the base is provided with a limiting groove, and the limiting groove is fixedly connected with the support. A limiting groove is formed in the top end of the lug hook body, an interchanging insert is arranged in the limiting groove, a clamping groove is formed in the middle of the top end of the interchanging insert, the lug hook body is arranged in the clamping groove, an elastic piece is arranged at the bottom end of the lug hook body, and a limiting assembly is arranged on the right side of the top end of the interchanging insert. The jig is exquisite in structure and easy to operate, the ear hook body and the elastic piece can be rapidly assembled, the ear hook body can be limited through the limiting strip, displacement of the ear hook body in the assembling process is avoided, the assembling accuracy of the elastic piece is guaranteed, and the inherent elastic structure function of a product is achieved.