28 results about "Cochlear implant" patented technology

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.

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.

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.

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.

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.

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 application discloses a subcutaneous speech enhancement method based on SATF estimation and stream matching, which constructs a simulation adaptive framework containing SATF estimation and stream matching noise simulation double branches, performs normalized cross-correlation pre-alignment on a subcutaneous speech pair and executes an STFT transformation, constructs an SATF library through STFT domain least square estimation and frequency smoothing, and synthesizes band-pass channel colored simulation speech based on the SATF library and dynamic noise; scene-related structured residual noise is generated by combining stream matching, simulation speech and structured residual noise are fused to obtain final simulation noisy speech, and the final simulation noisy speech is paired with clean speech to generate aligned simulation training speech pairs, and a pre-training speech enhancement model is adaptively trained by using the training speech pairs. The application can effectively alleviate the problems of subcutaneous speech data scarcity and alignment deviation, improve speech enhancement effect, and adapt to applications of full-implantable cochlear implants and other implantable hearing systems.

The utility model relates to a scalp pressure detection device for an artificial cochlea sound processor. The scalp pressure detection device comprises a sound processor positioning plate, an implant fixing plate and a pressure detection assembly, the implant fixing plate is used for placing an implant; the sound processor positioning plate is placed above the implant fixing plate, a cavity matched with the sound processor in shape is formed in the sound processor positioning plate and used for clamping and fixing the sound processor, the surface of the cavity is coated with a buffer material, and a base plate is arranged between the cavity and the implant fixing plate; the pressure detection assembly comprises a lifting device and a tension dial gauge, one end of the lifting device is connected with the tension dial gauge, the other end of the lifting device is connected with the sound processor positioning plate, and the lifting device is used for applying tension far away from the implant fixing plate to the sound processor positioning plate; the tension dial gauge is used for reading the value of the tension applied by the lifting device when the two are completely separated. Compared with the prior art, the device structure can be simplified and the detection efficiency can be improved while product damage caused by detection can be avoided.

The invention provides an intelligent auditory rehabilitation training system and method after an artificial cochlea operation, and is suitable for the technical field of rehabilitation training equipment. The method comprises a voice playing module used for playing audio data; wherein the audio data are audios of the user for auditory rehabilitation training; the input module is used for acquiring input information of a user; the host is connected with the voice playing module and the input module and is used for acquiring the audio data and controlling the voice playing module to play the audio data; obtaining input information fed back by a user for the audio data; and determining a training result of the user based on the audio data and the input information. According to the embodiment of the invention, a doctor does not need to assist in operation or judge a training result, and the user can operate at home for hearing training and does not need to go to a hospital or a rehabilitation institution for many times, so that a large amount of manpower, cost and time are saved.

Implant electrode insertion system (1) for inserting an implant electrode into the cochlea (99), comprising an oct device (2) comprising an oct probe (3) defining an optical axis (A) and configured to be held in a measurement position outside of the cochlea and configured to provide an orientation signal representative for an orientation of the oct probe with respect to a cochlea, measured using optical coherence tomography of light emitted from the probe in the measurement position along the optical axis (A); an implant electrode insertion module (4) connected to the oct device, and configured to be arranged in an insertion position on the basis of the orientation signal; and an alignment unit (5) configured to assist in positioning of the implant electrode insertion module (4) in the insertion position on the basis of the orientation signal; wherein the implant electrode insertion module (4) comprises an electrode guide that defines a guide axis (G), and is configured to, in the insertion position, guide a cochlear implant electrode along the guide axis towards the cochlea, wherein the guide axis (G) is coaxial with the optical axis (A) of the oct device.

1. The name of the design product: cochlea all-in-one machine protective sleeve (K2). 2. The use of the design product: multifunctional cartoon version of artificial all-in-one machine cochlea protective sleeve integrating DIY decoration and beautification, reinforcement, anti-lost, waterproof and sweat-proof. 3. The design points of the design product: in shape. 4. The picture or photo best indicating the design points: perspective view 1.

The invention relates to a test to measure the ability of a subject to discriminate between speech sounds. The speech sounds may be selected from the world's most widely spoken languages to enable the test to be carried out irrespective of the language spoken by the subject. Speech sounds may be presented in sequences, such as triplets. The subject would then be required to detect which speech sound in each sequence is different from the others. The test may be provided on a computer or similar device, in an embodiment a tablet computer, enabling the subject to conduct a self-assessment. The test may be performed on hearing aid users to determine the likelihood of a hearing aid user obtaining better test results after receiving one or two cochlear implants.

This invention relates to an energy harvester (7) and charger (1) system that utilizes rotating magnetic field technology to meet the energy needs of biomedical devices that are implantable into the body by a minimally invasive method. This technology aiming to solve the problem of battery depletion in devices such as pacemakers will significantly reduce the dependence on surgical interventions. The charger (1), electric motor (3), and permanent magnets (6) provide the energy harvester (7) with a variable magnetic field. The energy harvester (7) converts alternating current into direct current by generating electric current in its coil / coils (8) with this magnetic field. The generated energy is stored in a rechargeable battery (12) in accordance with the levels required by biomedical devices. The system works with low-frequency magnetic fields to keep SAR values within safe limits and minimizes negative effects such as tissue heating. It also ensures efficient energy production. The materials used in the energy harvester are biocompatible and toxic effects are avoided. The invention reduces the risks of surgery and increases patient comfort with its minimally invasive nature. It provides economic and health advantages by reducing the frequency of battery replacement of implantable devices such as pacemakers. It can also be used in other biomedical devices such as defibrillators, neurostimulators, cochlear implants, and retinal implants.

The invention discloses a self-adaptive Wiener filtering noise reduction method and system based on three-state classification voice activity detection and a storage medium, which are used for solving the technical problem of poor noise reduction effect of a voice noise reduction algorithm in an artificial cochlea in a non-stationary noise environment. According to the method, firstly, audio frames are divided into voice frames, mute frames and noise frames through improved voice activity detection, and time-frequency domain minimum value tracking is carried out to realize power spectrum estimation of noise; the system further introduces a noise environment change detection mechanism, dynamically evaluates noise stability, and adaptively adjusts parameters of the Wiener filter according to the noise stability. For different types of frames and frequency points, the system dynamically optimizes filtering parameters including a smoothing coefficient, a gain lower limit and a frequency band weight. Through the multi-stage adaptive processing mechanism, the method can realize higher voice signal-to-noise ratio and definition in a complex noise environment, and is suitable for single-microphone noise reduction of the artificial cochlea.

1. The name of the design product: cochlea all-in-one machine protective sleeve (R2R3). 2. The use of the design product: multifunctional cartoon version of artificial all-in-one machine cochlea protective sleeve integrating DIY decoration and beautification, reinforcement, anti-lost, waterproof and sweat-proof. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The application discloses a kind of based on tri-state classification voice activity detection's self-adapting wiener filtering noise reduction method and system and storage medium, for solving the technical problem that cochlear implant internal speech noise reduction algorithm is not good under non-stationary noise environment The effect of reducing noise is not good.The application first by improved voice activity detection audio frame is divided into speech frame, silence frame and noise frame three categories, and minimum value tracking in time-frequency domain is carried out to realize the power spectrum estimation of noise.The system further introduces noise environment change detection mechanism, dynamically assesses noise stability, and adjusts wiener filter parameter accordingly.Aiming at different types of frame and frequency point, the system dynamically optimizes filter parameter, including smoothing coefficient, gain lower limit and frequency band weight.Through this multi-level adaptive processing mechanism, the method can realize higher speech signal-to-noise ratio and clarity under complex noise environment, suitable for cochlear implant single microphone noise reduction.

A system for providing electrical stimulation to a recipient is disclosed. The system comprises a microphone configured to receive an acoustical signal and provide an audio signal based on the acoustical signal; a signal processor unit configured to receive the audio signal and process the audio signal; an electrode lead including a plurality of electrodes configured to stimulate the auditory nerve fibers based on the processed audio signal, wherein the electrode lead comprises: an electrode carrier maintaining the electrode contacts and wires, wherein the electrode carrier includes a first layer of gelatin and a second layer of gelatin which is coated and physically cross-linked onto the first layer.

This cochlear implant includes a neural stimulator that stimulates the auditory nerve connected to the cochlea. The neural stimulator includes: a first coil unit that receives power, data, or both from an external apparatus; a first magnet unit attached to the external apparatus by magnetic force and including two or more pairs of stimuli (magnetic poles) arranged so as to have magnetic fields that cancel out each other; a neural stimulation processing unit that processes neural stimulation signals; and a neural stimulation electrode that stimulates the auditory nerve on the basis of the neural stimulation signals.

The invention discloses a real-time noise scene classification system and system and an artificial cochlea device, and the method comprises the steps: for a collected audio signal, extracting a feature vector of a mixed time-frequency domain feature, the vector is composed of a frequency domain feature based on a critical band ratio (CBR), a short-time energy (STE) feature and a short-time zero-crossing rate (ZCR) feature, the information dimension of the features is effectively expanded, and the multi-level characterization capability of a complex auditory scene is enhanced. Inputting the feature vectors into a trained support vector machine (SVM) classification model to obtain a scene classification result of the current audio segment; and performing frame-by-frame feature extraction and segmented average accumulation processing on continuously input long audio signals, and outputting a final scene classification probability through frequency statistics and confidence coefficient weighting of multi-segment classification results. Through cooperation of feature combination and a segmentation probability weighting mechanism, real-time classification of quiet, normal and noise scenes is realized.

1. The name of the design product: artificial cochlea all-in-one machine. 2. The use of the design product: special sound-electric conversion device for converting sound signals into electric signals, stimulating auditory nerves, and restoring hearing for 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 indicates the design points: perspective view 1.

Presented here are embodiments for calibrating a bimodal hearing system that includes a cochlear implant with an implantable microphone. Calibration of the implantable microphone is influenced by skull vibrations induced by a separate hearing aid of the bimodal system. Thus, two sets of calibration measurements are obtained both with and without the hearing aid unmuted. Calibration parameters such as frequency response, noise floor parameters, and vibration calibration constants can then be derived based on the two sets of measurements.

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.

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.

A method is provided that includes receiving first information about a pose of a structure over a first time period. The structure is configured to be inserted into a body part of a recipient. The first information includes at least one of a first estimate of a pose of the structure over the first time period and a first set of measurements including one or more first measurement values. At least some of the one or more first measurement values are generated using a plurality of sensors distributed along the structure. The one or more first measurement values are indicative of a pose of the structure over the first time period. The method further includes generating a second estimate of a pose of the structure using at least the first information and a probabilistic model of the structure and / or the body part.