70 results about "Cochlear implant" patented technology

The invention discloses an artificial cochlea self-sound restoration method and an artificial cochlea sound processor. The artificial cochlea self-sound restoration method comprises the following steps: dividing digital signals acquired by a bone conduction microphone and an air conduction microphone into signal frames; converting the signal frame from an initial time domain signal to an initial frequency domain signal; judging whether the microphone signal is self sound or not; when the signals collected by the bone conduction microphone and the air conduction microphone are self-sound, after the frequency domain signal frame of the bone conduction microphone and the frequency domain signal frame of the air conduction microphone are superposed, a new frequency domain signal is converted into a new time domain signal, and a signal frame after self-sound restoration is obtained; the sound of an implanter is collected from two channels of air conduction and bone conduction and is mixed and output, so that the accuracy of sound collection is improved.

An exemplary electrode lead includes a flexible body formed of a flexible insulating material and that comprises a fantail region that connects to a cochlear implant configured to be implanted within a recipient and that extends to a ground electrode located toward a proximal end of the electrode lead, an electrode contact disposed on a side of the flexible body, a coiled electrode wire provided within the flexible body so as to extend along a length of the flexible body and electrically connect the electrode contact to a signal source, and a coiled reinforcing element provided within the flexible body so as to extend together with the coiled electrode wire along the length of the flexible body. The coiled reinforcing element may only be provided within a proximal portion of the electrode lead. Corresponding methods of manufacturing an electrode lead are also described.

The invention discloses a two-stage voice noise reduction method and device based on enhanced spectral subtraction and Kalman filtering, and a storage medium. The method comprises the following steps: performing preliminary noise reduction on a voice signal in a frequency domain through enhanced spectral subtraction; speech signal state space model parameters are identified based on a linear predictive coding algorithm, and secondary noise reduction is performed on the sound signals in a time domain by using a Kalman filtering algorithm; and repeatedly carrying out multiple parameter identification and secondary noise reduction processes on the frame-by-frame signals, and then outputting noise-reduced voice. According to the method, the environmental noise can be effectively filtered in a complex noise environment, and the voice signal quality is improved. The method is suitable for single-microphone noise reduction of the artificial cochlea, efficient noise reduction can be achieved in the artificial cochlea with limited computing resources, and the sound perception ability of a wearer is improved.

The invention discloses a fully-implanted artificial cochlea system and a noise reduction method thereof.The fully-implanted artificial cochlea system comprises an implant and a fully-implanted microphone, the fully-implanted microphone comprises a shell, a PCBA board, a first sound sensor and a bone conduction sensor are arranged in the shell, the first sound sensor is connected with the PCBA board and used for receiving a first external sound signal and transmitting the first external sound signal to the PCBA board, and the bone conduction sensor is connected with the implant. The bone conduction sensor is also connected with the PCBA board and is used for collecting an in-vivo noise signal and transmitting the in-vivo noise signal to the PCBA board; the PCBA board is used for receiving the first external sound signal and the in-vivo noise signal, and at least performing noise reduction on the first external sound signal and then outputting the first external sound signal; the implant or the fully-implanted microphone is connected with a second sound sensor, the second sound sensor is connected with the PCBA, the second sound sensor receives a second external sound signal and transmits the second external sound signal to the PCBA board, and the PCBA board receives the second external sound signal, at least carries out noise reduction on the second external sound signal and then outputs the second external sound signal; according to the system, the wearing comfort of a user is effectively improved, the efficient noise reduction performance is met, and the hearing requirement of a user patient can be met.

The invention provides a cognitive impairment monitoring method and system for a senile deaf person group. The method comprises the following steps: acquiring cognitive scale data of the senile deaf person group implanted into an artificial cochlea at different evaluation times; converting the cognitive scale data into standardized cognitive scale data based on a preset scoring standard; based on a plurality of preset signal-to-noise ratio levels, obtaining a processing signal of the artificial cochlea and a response behavior signal of the senile deaf group; filtering the processed signal to obtain a filtered audio signal, a response correctness result and a response parameter; and performing correlation analysis on the response correctness result, the response time parameter and the standardized cognitive scale data to generate a trend curve representing the change of the cognitive function of the senile deaf people group along with time so as to realize cognitive impairment monitoring of the senile deaf people group. According to the technical scheme provided by the invention, the dynamic change of the cognitive function of the senile deaf people is accurately monitored, and the accuracy of early recognition of cognitive impairment is improved.

A system, including an input subsystem configured to receive input and a convolutional based sub-system in signal communication with the input subsystem, wherein the convolutional based sub-system outputs electrode activation sequence based data. In an embodiment, the system is a sound processor system that is part of a cochlear implant configured to provide a signal to the input subsystem based on sound captured by a microphone.

An illustrative insertion management system may be configured to identify one or more attributes of a lead insertion procedure in which an electrode lead having a plurality of electrodes is inserted into a cochlea of a recipient of a cochlear implant; dynamically select, based on the one or more attributes of the lead insertion procedure, a first subset of electrodes included in the plurality of electrodes for inclusion in a monitoring electrode set, the monitoring electrode set configured to have less electrodes than a total number of the plurality of electrodes; monitor, during the lead insertion procedure, impedance values for electrodes included in the monitoring electrode set; and determine, during the lead insertion procedure and based on the monitoring, a positioning state of the electrode lead.

The invention provides an artificial cochlea in-vitro machine and an artificial cochlea system. The artificial cochlea in-vitro machine comprises a first in-vitro machine and a second in-vitro machine, the first extracorporeal machine is configured to perform LE Audio broadcast to wait for connection of a playing device; after the first external machine is connected with the playing device, the second external machine sends the broadcast information to the second external machine after receiving a command for transmitting the broadcast information from the playing device; and the first extracorporeal machine and the second extracorporeal machine synchronize to periodic broadcasts sent by the playing device based on the broadcast information, obtain corresponding broadcast isochronous streams, and synchronously play the broadcasts. According to the configuration, power consumption and delay are reduced based on LE Audio transmission. Furthermore, the first extracorporeal machine and the second extracorporeal machine can synchronously acquire the broadcast isochronous stream and synchronously play the broadcast, so that the left and right ear sides can receive the audio played by the playing device at the same time.

Presented herein are techniques for dynamically generating test materials for implementing speech test to, for example, hearing aid users or users of cochlear implants. Dynamic word list generation techniques are disclosed. Such techniques generate word lists with qualities intended to implement specific speech tests. For example, the disclosed techniques may be used to generate word lists with predetermined phonetic balance and / or perceptual balance. The disclosed techniques also provide for the generation of audio signals associated with the word lists used during the speech tests.

The invention discloses a photostimulation artificial cochlea which comprises an in-vitro machine and an implant, the in-vitro machine is divided into a sound processor and a transmitting coil, the in-vivo implant is divided into a receiving coil, a decoder and a nano laser, and the sound processor is used for processing sound signals and generating corresponding current parameters; the transmitting coil is used for transmitting a radio-frequency signal carrying a current parameter to the in-vivo implant by utilizing electromagnetic induction; the receiving coil is used for receiving the radio frequency signal transmitted by the transmitting coil; the decoder is used for analyzing the radio-frequency signal, restoring the radio-frequency signal into an electric signal and sending the electric signal to the corresponding nano laser; the nanometer laser is used for converting a received electric signal into a laser signal, and the laser signal is irradiated to the auditory nerve element through the optical fiber or directly irradiated to realize optical stimulation. According to the invention, efficient and fidelity transmission and processing of sound are realized, auditory definition and spatial resolution of a user are improved, and more natural and comfortable auditory experience is provided for a patient with hearing impairment.

An in-canal wireless transmitting system (ICWTS) is provided that is configured to be placed within an ear canal of a user and the ear. The ICWTS is associated with an implanted unit that is configured to stimulate an organ in the head of a user, such as an auditory nerve, vestibular system, brain, or a combination thereof. The ICWTS comprises a transmitting antenna configured to transmit electrical energy and receiver antenna configured to receive the electrical energy, wherein the electrical energy comprises data in the form of electrical signals as well as power, that function as power source configured to power the implanted unit through the transmitting antenna.

An exemplary system comprises a memory that stores instructions and a processor communicatively coupled to the memory and configured to execute the instructions to perform a process. The process may comprise directing a cochlear implant to emit light having a first wavelength by way of one or more optrodes of an optrode lead inserted at least partially within a cochlea of a recipient, the light having a first wavelength optically stimulating neurons of the cochlea and directing the cochlear implant to emit light having a second wavelength by way of the one or more optrodes, the second wavelength being different than the first wavelength and triggering release of a compound that is impregnated within the optrode lead and that facilitates light sensitivity of the neurons.

The volute tongue comprises a volute tongue body and turbulent flow parts, the volute tongue body is provided with an air guide face facing a fan, the turbulent flow parts are arranged on the air guide face at intervals in the length direction of the volute tongue body, and each turbulent flow part comprises a plurality of arc-shaped turbulent flow strips arranged at intervals in the length direction of the volute tongue body. On a projection plane perpendicular to the height direction of the volute tongue body, in any two adjacent arc-shaped turbulent flow strips in each turbulent flow part, the length of the projection of the arc-shaped turbulent flow strip close to the center position of the turbulent flow part is larger than that of the projection of the arc-shaped turbulent flow strip away from the center position of the turbulent flow part. The volute tongue provided by the utility model can reduce the generation probability of turbulent flow and vortex in an air duct, and the air resistance and noise are low when the air conditioner runs.

The utility model provides a lying silkworm operation guide line auxiliary penetrating device which comprises a pipe body, a line hole for a guide line to penetrate through is formed in the pipe body in the axial direction in a penetrating mode, a holding pipe is arranged at one end of the pipe body, a connecting hole communicated with the line hole is formed in the holding pipe, and an arc-shaped protruding part is arranged on the end face of the other end of the pipe body. The problems that in the prior art, when a needle penetrates into orbiculus oculi so that a guide line can penetrate into the orbiculus oculi, the inclined tip of the needle cuts tissue, and consequently a patient feels swollen, painful and other uncomfortable feelings after operation are solved.

The invention relates to a life assistance system for deaf and hearing loss patients, which comprises a data acquisition module, a preprocessing module, a feature extraction module, a model training module, a classification rating module, a prediction module, a user interaction module, a feedback optimization module, a report generation module, a remote cooperation module and a life assistance execution module, by integrating the advantages of the prior art and combining the innovative application of the artificial cochlea, more comprehensive, efficient and personalized life auxiliary service is provided for hearing disorder patients such as auditory sclerosis, and the diagnosis accuracy, the treatment effect and the life quality of the patients are improved.

The invention discloses an intelligent welding system for an artificial cochlea, which belongs to the technical field of cochlea accessory welding and comprises a base, a clamping seat is arranged at the top of the base, a welding system is arranged on one side of the clamping seat, multiple groups of flexible limiting assemblies are arranged in the clamping seat, and switching mechanisms are arranged among the multiple groups of flexible limiting assemblies in the same row. According to the invention, through the designed flexible limiting assembly, when a cochlea external shell needs to be welded, the cochlea shell can be pushed among a plurality of limiting columns, the pressed parts of the limiting columns can be stressed to slide downwards, and the limiting columns sliding downwards can be combined with the limiting columns which do not slide to form a limiting step groove; the clamping stability of the cochlea shell in the clamping base is guaranteed, after sliding of the limiting columns is controlled through the limiting mechanism, clamping limiting of the flexible shell can be completed, through sliding fit of the multiple limiting columns, the abutting limiting effect on different special-shaped faces of a customized cochlea is improved, and welding errors are reduced.

A cochlear implant system can reduce noise in an input signal from a sensor due to artifacts from electrical stimulation. A balancing capacitance can be coupled between a signal-carrying conductor and a reference voltage or a portion of an implantable housing to balance a mismatch in capacitive coupling of the interference to different conductors to facilitate reduction of the artifact. An input signal representative of a received acoustic stimulus can be filtered to attenuate one or more frequencies to reduce the stimulation artifact. Frequencies near those attenuated can be amplified to compensate for any useful signal reduced by the attenuation. Stimulation artifacts can be estimated and subtracted from an input signal. Stimulation artifacts can be estimated as a combination basis functions of artifact contributions from a plurality of stimulation electrodes.

The invention provides an artificial cochlea system, method and device for intelligent language training and a storage medium, the system comprises an in-vitro sound processor, the in-vitro sound processor comprises an intelligent language training module, and the intelligent language training module is used for storing audio information; the in-vitro sound processor is used for converting the audio information in the intelligent language training module into a stimulation coding radio frequency electric signal; and the in-vivo implant is used for receiving the stimulation coding radio-frequency electric signal sent by the in-vitro sound processor and decoding the stimulation coding radio-frequency electric signal to generate a corresponding stimulation current which acts on the electrode array to stimulate auditory nerves, so that a user can generate auditory sense. The intelligent language training module is integrated in the external sound processor, the limitation that traditional equipment needs to be additionally connected with external playing equipment is broken through, language training can be carried out anytime and anywhere, fragmentation time is fully utilized, and the training frequency is increased; coordinated training is carried out based on the basic audio information and the personalized audio information, the boring feeling of language training can be remarkably reduced, and the matching degree and the training quality of the user are improved.

1. The name of the design product: artificial cochlea (2). 2. The use of the design product: special sound-electric conversion device for converting sound signal into electric signal, stimulating auditory nerve, for hearing recovery of patients with severe or extremely severe sensorineural hearing loss. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

1. The name of the product of this design: implant auxiliary bracket. 2. Purpose of the product of this design: as an auxiliary mounting bracket for implants (such as brain pacemakers / various types of neural stimulators / cochlear implants, etc.). 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 present disclosure describes gene therapy systems, and related methods, useful for treating and / or preventing deafness caused by genetic mutation of the TMPRSS3 gene or the LOXHD1 gene. The compositions and methods disclosed herein use adeno-associated viral (AAV) vector gene delivery of TRMPSS3 or LOXHD1 into the inner ear to restore activity of the TMPRSS3 gene or the LOXHD1 gene, respectively, promote hair cell survival and restore hearing in patients suffering from hearing loss. As disclosed herein, the systems and methods may utilize a combination of gene therapy (e.g., molecular therapeutics) for hearing loss caused by a genetic mutation together with implantation of a cochlear implant.

Disclosed herein is a cochlear implant surgery simulator and training system. The system comprises a 3D model of a scala tympani upon which a surgeon performs practice insertions an the electrode array of a cochlear implant, wherein the electrode array is instrumented with one or more thin-film sensors disposed along a length of the electrode array, enabling real-time collection of force and position data. The system further comprises a feedback system for analyzing data collected from the instrumented electrode array and deriving scoring metrics regarding the surgeon's insertion technique.

According to one embodiment, a method, computer system, and computer program product for performing in-situ stimulation adjustments of a cochlear implant. The embodiment may include identifying, dynamically, a first set of magnetic coils and a second set of magnetic coils based on dominant frequency components of a received sound. The first set and the second set are implanted within a cochlea of a user having a cochlear implant (CI). The embodiment may include activating, according to a stimulator profile of the user, the first set via an electric current sent to the first set in order to stimulate cochlear neurons. The embodiment may include determining that an in-situ adjustment to the activation of the first set is required based on analysis of a cochlear neuronal response recorded via the second set. The embodiment may include adjusting the stimulator profile.

The utility model discloses an artificial cochlea quadrant sub-control electrode which comprises a flexible electrode tip and a colloidal silica body, the flexible electrode tip is located at one end of the colloidal silica body, the artificial cochlea quadrant sub-control electrode further comprises a sub-control electrode array group located on the colloidal silica body, and the sub-control electrode array group comprises four quadrant contact electrodes. The four quadrant contact electrodes surround the silica gel body by one circle, and the directions of the four quadrant contact electrodes are different; each quadrant contact electrode can work independently; the quadrant sub-control electrode provided by the utility model can solve the problem of potential ineffective or inefficient stimulation caused by fixed unidirectional discharge of the existing artificial cochlea, and further optimizes the sound hearing effect of an implanter.

A cochlear implant includes an electrode array having a plurality of electrode contacts arranged along at least a portion of a length of an electrode array, and a processing arrangement configured to map at least one electrode contact to first and / or second mappings. The first mapping provides a first electrical stimulation from the electrode contact to a first ground electrode positioned external to a patient's cochlea to stimulate hearing at a first location in the cochlea positioned adjacent to the electrode contact when the implant is inserted into the cochlea. The second mapping provides a second electrical stimulation from the electrode contact to the second ground electrode to stimulate hearing at a location in the cochlea positioned further towards the apex of the cochlea as compared to a distal end of the electrode array when the implant is inserted into the cochlea.

1. The name of the design product: artificial cochlea microphone protective cover. 2. The use of the design product: dustproof and moisture-proof for artificial cochlea microphone. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention discloses a wireless in-vitro artificial cochlea sound processor bracelet. A main body is a wristwatch type bracelet and a watchband, the wristwatch type bracelet comprises a processor, and a touch display screen, a communication module, a blood glucose detection module, a blood pressure detection module, a sound processor module and a power supply module which are electrically connected with the processor, and the processor, the communication module, the blood glucose and blood pressure detection module, the sound processing module and the power supply module are arranged in a bracelet shell; and the touch display screen is arranged on the surface of the bracelet shell. The sound processing module is composed of a sound collection module and a speech processing module, and the sound collection module collects external sound signals through a sound sensor and inputs the signals into the speech processing module. And the speech processing module converts the sound signal into a coding signal, and then the coding signal is sent to the artificial cochlea implanted in the body by the processor through the communication module. The bracelet has good concealment and portability, is not easy to fall off when being worn, and is more suitable for sports.

A cochlear implant includes first and second ground electrodes, a flexible electrode array, a flexible electrode array, and a processing arrangement. The first electrode is positioned external to a cochlea of a patient. The second electrode is positioned within the cochlea on an apical side of an obstruction within the cochlea. The array has distal and proximal ends defining a length therebetween. The array includes electrode contacts arranged along at least a portion of the length. The array is inserted into the cochlea such that the distal end advances from a base of the cochlea towards an apex of the cochlea to a point located basally of the obstruction. The arrangement maps a first one of the contacts to the first electrode for providing a first electrical stimulation from the first contact to the first electrode to stimulate hearing of the patient at a first location in the cochlea, and a second mapping providing a second electrical stimulation from the first contact to the second electrode to stimulate hearing of the patient at a second location in the cochlea. The first location is positioned adjacent to the first contact when the implant is inserted into the cochlea in an operating position, and the second location is positioned further towards the apex as compared to the first contact when the implant is in the operating position.

This utility model discloses a cochlear implant sound processor audio processing performance testing system. The system comprises a host computer, a signal processing unit, and a testing fixture containing a standard implant and a sound processor. The sound processor receives sound signals and wirelessly couples with the standard implant. The signal processing unit includes a switch array and a main controller. The control signal output terminal of the main controller is connected to the switch array and is used to send a channel selection control signal to the switch array. The electrodes of the standard implant are connected to the switch array to form a signal output channel, which is connected to the signal acquisition terminal of the main controller. The main controller is signal-connected to the host computer.

The invention discloses a drug-loaded fully-implanted artificial cochlea microphone and a manufacturing method thereof, the drug-loaded fully-implanted artificial cochlea microphone comprises an active sound receiving part, a titanium alloy shell and a drug-loaded part, the titanium alloy shell is provided with a plurality of microgrooves or micropores, and the drug-loaded part is arranged in the microgrooves / micropores; the active sound receiving part comprises a PCBA board and a sound sensor, the sound sensor receives external vibration and converts the external vibration into an electric signal, and the PCBA board can receive the electric signal; a loop response electrode wire is arranged in the microgroove or the micropore, and the two ends of the loop response electrode wire are electrically connected with the PCBA board; when the electric signal received by the PCBA board is different from the preset electric signal, the PCBA board controls the loop to respond to the electrode wire to send out a stimulation signal to stimulate the medicine carrying part to release the active medicine; the microgroove / micropore is used for containing the medicine carrying part, the loop response electrode wire is arranged to be connected with the PCBA board, and when the sound receiving change is caused by the inflammation change around the microphone, the pore size of the medicine carrying polymer matrix is stimulated, so that the active medicine is dissolved out to meet the treatment requirement of the current inflammation.