61 results about "Cochlea implant" patented technology

An apparatus, including an array of electrodes and an implantable therapeutic substance reservoir, wherein the apparatus is an implantable portion of a cochlear implant, the apparatus is configured so that the therapeutic substance reservoir extends from a location behind an ear canal of a human between a mastoid bone and skin of the human to the cochlea when the apparatus is fully implanted in a recipient, and the reservoir is completely integrated into the implantable portion of the cochlear implant.

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 accessing an individual three-dimensional (“3D”) cochlea model of a cochlea of a recipient of a cochlear implant system that includes a stimulating lead inserted into the cochlea during a lead insertion procedure, generating, based on the individual 3D cochlea model and procedure data associated with one or more lead insertion procedures performed with respect to one or more other recipients, an individualized drug delivery profile for the recipient, and transmitting a command to the cochlear implant system to cause release of a drug from the stimulating lead in accordance with the individualized drug delivery profile.

The apparatus comprises an implant 200, which may be a cochlear implant, having a plurality of electrodes, a memory 102 configured to store instructions and a processor 104 configured to execute the instructions. When executed the apparatus transmits to a pulse generator 110 an electrode operation signal 106 configured to generate a current pulse on a first pair of electrodes of the implant (202-208, fig 2), receive a first impedance signal 108a from a first measurement pair of electrodes due to interaction of the current pulse with the electrically conductive volume. Then receive a second impedance signal 108b from a second measurement pair of electrodes due to interaction with the electrically conductive volume. The first measurement pair of electrodes and the second measurement pair of electrodes are different. The processor then uses a predetermined mapping relationship to determine a distance between an electrode contact surface on the implant and a wall of the electrically conductive volume and output the determined distance. A surgical instrument for implant insertion is also disclosed. [Figure 1 to accompany the abstract]

A device includes a reservoir and a therapeutic substance located in the reservoir, where the device is an implantable therapeutic substance delivery device, and the device is configured to deliver the therapeutic substance to a recipient thereof by diffusion controlled release. In an exemplary embodiment, the device is also a cochlear implant.

Presented herein are techniques for determining a linguistic context from speech (e.g., a conversation) captured by a system and using the "linguistic context" or "second-order meaning" to initiate / generate an action at / by the system. More specifically, a hearing device (e.g., cochlear implant) or medical device is configured to capture / detect speech which has a primary / explicit, or first-order, meaning. An intelligence module that includes an artificial intelligence (AI) model, e.g., a large language model (LLM) or a large action model (LAM), is configured to obtain the speech and determine a linguistic context (second-order meaning) of the speech and determine the relevancy of the second order-meaning to the system and / or to the recipient (recipient-specific second-order meaning of the speech). Using the recipient- specific second-order meaning of the speech, one or more instructions can be generated and / or produced for implementation at the system.

An exemplary cochlear implant system includes a cochlear implant and a processing unit communicatively coupled with the cochlear implant. The cochlear implant may include a first optical element implanted within a recipient and positioned toward an inner surface of a skin flap of the recipient. The processing unit may cause an optical signal transmission between the first optical element and a second optical element included in an external device positioned toward outer surface of the skin flap relative to the first optical element. The optical signal transmission may include a transmission of an optical signal through the skin flap between the inner surface and the outer surface of the skin flap. Based on the optical signal transmission, one or more properties associated with the skin flap of the recipient may be determined.

A cochlear implant headpiece in accordance with one of the present inventions includes a housing including a top wall, a bottom wall and a receptacle that extends from the top wall to the bottom wall, that defines an open top end, an open bottom end and a central axis, and that includes a receptacle lock member, a magnet apparatus defining a bottom and including a magnet and a magnet apparatus lock member, and a headpiece antenna on or within the housing. The respective configurations of the receptacle and the magnet apparatus are such that the magnet apparatus can be inserted into the receptacle and, when fully inserted into the receptacle, the magnet apparatus bottom is located within or downwardly beyond the open bottom end of the receptacle. The respective configurations of the receptacle lock member and the magnet apparatus lock member are such that the fully inserted magnet apparatus will be fixed in one of a plurality of rotational orientations around the central axis. The present inventions also include cochlear stimulation systems with a sound processor and / or a cochlear implant in combination with such a headpiece.

The utility model relates to an artificial cochlea implant receiving coil pin length control device which comprises a base, a limiting assembly and a cutting assembly. Wherein the base comprises a first step face and a second step face, the horizontal height of the first step face is larger than that of the second step face, and the limiting assembly is located at the end, close to the second step face, of the first step face; the first step surface is provided with a groove attached to the outer contour of the receiving coil, and when the receiving coil is placed in the groove, the pin of the receiving coil points to the direction of the second step surface and is pressed by the limiting assembly; the cutting assembly is arranged on the second step face and used for cutting off the pins, exceeding the first step face, of the receiving coil. Compared with the prior art, the pin length of the receiving coil can be more conveniently controlled, and the product performance is further guaranteed.

A cochlear implant system with a measurement unit is disclosed, the cochlear implant system comprising: an external unit configured to receive an acoustic sound and to process the acoustic sound into an encoded audio signal; an implantable unit configured to receive the encoded audio signal; a pulse generation unit configured to generate a first electrical pulse of a first pulse duration and a second electrical pulse of a second pulse duration different from the first pulse duration based on the encoded audio signal; an electrode array comprising a plurality of electrodes, wherein at least one of the plurality of electrodes is configured to receive at least the first electrical pulse and the second electrical pulse; a capacitor connected to at least one of the plurality of electrodes; a measurement unit configured to measure a first electrical voltage based on the first electrical pulse and a second electrical voltage based on the second electrical pulse across the connection of the at least one of the plurality of electrodes and the capacitor; and an evaluation unit configured to calculate a voltage difference between the measured first and second electrical voltages.

An illustrative system is configured to perform a process comprising: directing stimulation to be applied to a recipient of a bilateral hearing system that includes a first cochlear implant associated with a first ear of the recipient and a second cochlear implant associated with a second ear of the recipient; and causing the first cochlear implant and the second cochlear implant to simultaneously record, during an acquisition time window, one or more evoked responses within the recipient that are elicited by the stimulation.

The utility model relates to the technical field of artificial cochlea testing equipment, in particular to a constant-temperature testing device for an artificial cochlea implant, which comprises a container shell, the interior of the container shell is divided into a constant-temperature bath and a stimulation bath by a supporting part, and a limiting support table for supporting the implant is further arranged in the constant-temperature bath; wherein a temperature control assembly is installed in the thermostatic bath, a display control unit and an input and output unit are further installed on the outer side of the container shell, and the constant temperature detection device solves the problem that measurement needs to be conducted in a large-scale constant temperature box or an implant can only be measured in the room temperature state in the previous period. The temperature can be adjusted to be close to the human body temperature environment to the maximum extent, the testing accuracy is provided, the impedance of the implant stimulating electrode part can be adjusted, the human body nerve reaction signal simulation generation function can be simulated, and great convenience is provided for implant finished product testing.

This invention discloses a drilling path planning method, storage medium, and device for cochlear implantation, belonging to the field of path planning technology in cochlear implantation. This invention solves the problems of low efficiency and easy introduction of path deviation in existing path planning methods. The invention preprocesses preoperative three-dimensional CT images and integrates anatomical structural models to extract three-dimensional spatial geometric information of key tissues within the temporal bone, including the facial nerve and cochlea. Subsequently, combined with prior medical knowledge, the drilling path for the cochlear implant electrode is automatically planned in three-dimensional space to minimize damage to key nerves and ensure surgical safety. The path planning method of this invention is applicable to cochlear implantation surgery assisted by medical robots, significantly reducing reliance on the doctor's subjective judgment, improving the individualized adaptability and efficiency of path design, and effectively avoiding path deviation caused by human subjective judgment. This invention can be applied to path planning in cochlear implantation surgery.

A system and method for inserting a cochlear implant electrode into a cochlea. A first magnet is fastened to a cochlear implant electrode. A second magnet is coupled, via magnetic attraction, to the first. A force is placed on the second magnet to push the first magnet, and thus also the cochlear implant electrode, into the cochlea. If a threshold force is exceeded, the first magnet and second magnet will separate, preventing a force on the second magnet from causing insertion of the cochlear implant electrode into the cochlea.

A method, including the actions of obtaining access to a virtual reality system; activating a cochlear implant such that the cochlear implant evokes a hearing percept based on first input; and receiving second input from the virtual reality system in temporal proximity with the evocation of the hearing percept based on the first input, wherein the cochlear implant evokes a hearing percept based on the first input, and the second input is correlated with the first input.

The utility model relates to the technical field of artificial cochlea implants, in particular to a monitoring system for reliability tests of artificial cochlea implants, which comprises a water tank, a heating rod, a plurality of temperature acquisition terminals, a router and an intelligent display terminal. The temperature acquisition terminal comprises a main control chip, a temperature sensor, a thermocouple connection circuit and an output converter, the temperature sensor is used for acquiring the water temperature in the water tank and is connected with the output converter through the thermocouple connection circuit, the output converter is in signal connection with the main control chip, and the main control chip is connected with the thermocouple connection circuit through the thermocouple connection circuit. And the main control chip is in signal connection with the intelligent display terminal through the router.

Magnet assemblies including a case, a plurality of elongate diametrically magnetized magnets within the case, and damping liquid within the case, and methods of assembling such magnet assemblies.

The application provides a cochlear implant, which comprises an implanted electrode, a decoder, a receiving coil, an implanted magnet, an auxiliary coil, an elastic buckle and encapsulating silica gel; the implanted electrode, the decoder and the receiving coil are connected in series in sequence, the receiving coil covers the auxiliary coil, the implanted magnet is installed inside the auxiliary coil, the encapsulating silica gel is wrapped outside the implanted magnet 11, and the elastic buckle holds the implanted magnet in the cochlear implant; the auxiliary coil is provided with a via hole, a stop edge one and a stop edge two; the elastic buckle comprises a buckle encapsulating silica gel and a clamping jaw; the clamping jaw is provided with a stopper, a limit and a supporting leg, and the limit is arranged on the inner side of the supporting leg; the stopper holds the stop edge, and the stopper abuts against the flange side edge. The application has good biological safety and good mechanical strength, the receiving coil is provided with the auxiliary coil, the implanted magnet is rotationally held on the auxiliary coil and is provided with the elastic buckle, the impact resistance of the implanted magnet is improved, the application has the anti-disengagement function, and the firmness and reliability of the implant are ensured.

A magnet assembly including a case defining a central axis, a magnet frame within the case and rotatable about the central axis of the case, first and second elongate magnets, located within in the frame, that are diametrically magnetized, that each define a longitudinal axis and a N-S direction, that are rotatable about the longitudinal axis relative to the frame, that are separated from one another by a fixed non-zero distance that is perpendicular to at least one of the longitudinal axes, and that are not mechanically biased to respective N-S rotational orientations, and a third elongate magnet, located between the first and second elongate magnets, that defines a longitudinal axis and a N-S direction that is perpendicular to the longitudinal axis, and that is mechanically biased to a predetermined N-S rotational orientation.

This disclosure relates to stimulation control. This document presents techniques for controlling stimulation provided by an implantable device. Stimulation control can be performed at an external device and can utilize machine learning (e.g., artificial intelligence (AI)). The techniques provide a cochlear implant stimulation strategy that utilizes computational models of the healthy hearing system and the implanted hearing system to more closely simulate natural acoustic hearing.

An apparatus includes a removable cover for an ear-wearable device, where the removable cover includes a communication coil. The cover can position the communication coil proximate to an implanted coil for communication. In embodiments, the cover is a cover for a behind-the-ear sound processor having a coil that communicates with an implanted coil of a cochlear implant.

The invention provides a dual-channel closed-loop auditory function enhancement-expansion man-machine interaction system and method, the system comprises an intelligent auditory closed-loop controller, a cochlea implant and an invasive auditory corticobrain-computer interface module, the intelligent auditory closed-loop controller is used for receiving an acoustic signal and encoding the acoustic signal into a stimulation instruction; the intra-cochlea implant is implanted into the cochlea of the user and is used for stimulating auditory nerves of the cochlea based on the stimulation instruction; the intrusive auditory cortex brain-computer interface module is implanted into the auditory cortex of the user and is used for stimulating the auditory cortex of the user based on the stimulation instruction and collecting a neural signal of the auditory cortex in the stimulation process as a feedback signal; the feedback signal is transmitted to the intelligent auditory closed-loop controller, and the intelligent auditory closed-loop controller adjusts a stimulation instruction output by the intelligent auditory closed-loop controller based on the feedback signal, thereby realizing closed-loop control. According to the invention, a closed-loop auditory regulation and control mechanism is established, the adaptability to complex acoustic scenes is remarkably enhanced, and a more complete auditory solution can be provided for hearing impaired people.

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 accessing an individual three-dimensional ("3D") cochlea model of a cochlea of a recipient of a cochlear implant system that includes a stimulating lead inserted into the cochlea during a lead insertion procedure, generating, based on the individual 3D cochlea model and procedure data associated with one or more lead insertion procedures performed with respect to one or more other recipients, an individualized drug delivery profile for the recipient, and transmitting a command to the cochlear implant system to cause release of a drug from the stimulating lead in accordance with the individualized drug delivery profile.

A robotic system for cochlear implantation (CI) is described herein. The system includes a robotic tool configured to hold a cochlear implant electrode array and a controller that is operably coupled to the robotic tool. The controller includes a processor and a memory. The memory has computer-executable instructions stored thereon that, when executed by the processor, cause the processor to control the robotic tool with the degrees of freedom of a human hand.

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.

An illustrative system directs a display screen to display a graphical user interface that includes a selectable option to perform an electrode sweep with respect to a plurality of electrodes disposed on an electrode lead implanted at least partially within a cochlea of a recipient of a cochlear implant, directs, in response to a selection by a user of the option, an acoustic stimulation generator to apply acoustic stimulation having a frequency to the recipient, and directs the cochlear implant to use each electrode included in the plurality of electrodes to record an evoked response measurement in response to the acoustic stimulation.

This otological surgical instrument (66), for inserting an intracochlear electrode into a patient's inner ear, comprises a main body (68) with a proximal portion (68B) for attachment to a robotic arm and a distal portion (68A) for holding a support device (38) to which the intracochlear electrode is attached by a sliding connection during insertion. The proximal attachment portion (68B) has a hole (74) for the passage of a robotic sliding rod of the robotic arm. The instrument (66) further comprises a sliding element (70) within the main body (68). This sliding element (70) has a proximal portion configured and arranged within the proximal attachment portion (68B) so as to be driven longitudinally by the robotic sliding rod, and a distal portion (70A) configured and arranged so as to drive the intracochlear electrode longitudinally along the axis of its sliding connection.Figure for the abridged version: Fig. 8.

An illustrative insertion management system may be configured to provide, as an input to a machine learning model, data associated with a lead insertion procedure in which an electrode lead is inserted to a cochlea of a recipient of a cochlear implant; generate, based on an output of the machine learning model, procedure assistance data configured to assist a user in performing the lead insertion procedure; and set, based on the procedure assistance data, one or more parameters associated with the lead insertion procedure, wherein the setting comprises intraoperatively adjusting the one or more parameters during the lead insertion procedure.

The invention relates to a biomimetic microphone, a product comprising at least one biomimetic microphone, such as a hearing aid, wherein the hearing implant may comprise a cochlear implant, or a vibrating implant, or both, a method of operating a hearing implant, and a hearing implant computer program comprising instructions for operating the hearing implant.