Cochlear Implant Sound Processor Contralateral Routing
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Solution Overview
Problem
Conventional implantable cochlear stimulation systems lack the ability to effectively utilize the backup sound processor for contralateral sound processing, limiting the perception of sound to only ipsilateral inputs.
Innovation Solution
The system operates sound processors in two modes: one for communication with a cochlear implant and another for transmitting audio signals to a contralateral sound processor, allowing for the integration of both ipsilateral and contralateral sound signals to enhance hearing and speech understanding in noisy environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the backup sound processor is kept in storage as a conventional cochlear implant system, then the system maintains reliability through redundancy, but the contralateral sound processing capability is lost
Solution Approach 1:
The backup sound processor is designed to perform dual functions: it can operate as a conventional backup device for the implanted ear or be reconfigured to function as a contralateral sound processor for the non-implanted ear. This multi-functionality allows the same hardware to provide both reliability through redundancy and versatility through contralateral processing capability.
2Adaptability or versatility
If the backup sound processor is used for contralateral sound processing, then the speech understanding in noisy environments is enhanced, but the automatic mode switching complexity increases
Solution Approach 1:
The sound processor system automatically detects whether a cochlear implant is paired and self-configures its operational mode without requiring manual user input. The system monitors for the presence of the implant and autonomously switches between ipsilateral and contralateral processing modes, eliminating the need for complex user-controlled switching mechanisms.
3Adaptability or versatility
If the sound processor operates in contralateral mode, then the awareness of contralateral sounds is improved, but the communication with cochlear implant is lost
Solution Approach 1:
The sound processor dynamically changes its operational state based on the detected presence or absence of the cochlear implant. When the implant is detected, the system operates in ipsilateral mode with full communication capability. When the implant is not detected or the user switches modes, the system dynamically reconfigures to contralateral processing mode, maintaining optimal performance for the current operational context.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enables improved awareness of contralateral sounds and enhanced speech understanding in background noise by automatically determining the operational mode and utilizing the backup sound processor for contralateral sound processing, providing bilateral sound processing without user input.
Implementation Method 1
The headpiece has a coil antenna that is used to connect the headpiece (and BTE sound processor by way of the headpiece) to the implantable device via an inductive link
Data Source
AI summary
A cochlear implant sound processor including processor apparatus that, in response to being paired with a cochlear implant, converts audio signals from a microphone into stimulation data and transfer the stimulation data to cochlear implant, and in response to a failure to detect the cochlear implant, transfers the audio signals to a contralateral sound processor. Systems and methods are also disclosed.