Cochlear Implant Parameter Optimization via Focused Stimulation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for setting operational parameters of implantable medical devices, such as cochlear implants, face challenges in optimizing stimulation strategies to balance hearing performance with power consumption and complexity, often requiring cumbersome clinical processes and not all recipients benefit equally from focused stimulation.
Innovation Solution
A method that combines monopolar and focused stimulation measurements to determine optimal operational parameters, such as the degree of focusing, by analyzing responses to both types of stimulation and adjusting settings to maximize hearing benefits while minimizing power consumption, using a computing device to evaluate and recommend parameter settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If focused stimulation measurements are performed with multiple degrees of focusing to optimize hearing performance, then hearing outcomes are improved, but power consumption and device complexity increase
Solution Approach 1:
The system varies the degree of focusing parameter across multiple measurements to determine optimal stimulation parameters. By changing the focusing degree parameter and measuring hearing responses at each level, the system identifies the optimal balance between hearing performance and power consumption without requiring continuous high-power focused stimulation.
Solution Approach 2:
The system performs preliminary focused stimulation measurements with different degrees of focusing during the fitting process to pre-determine optimal parameters. This preliminary characterization allows the device to operate efficiently during normal use by applying pre-optimized parameters rather than continuously testing different focusing levels.
2Reliability
If multiple stimulation measurements with different degrees of focusing are performed to determine optimal parameters, then stimulation effectiveness is improved, but clinical process complexity increases
Solution Approach 1:
The system uses a universal measurement protocol that can assess multiple degrees of focusing through a single integrated clinical process. The methodology unifies the evaluation of different stimulation strategies into one comprehensive fitting procedure, eliminating the need for separate complex assessment protocols for each focusing level.
Solution Approach 2:
The system automatically analyzes the responses from multiple focused stimulation measurements and determines optimal parameters without requiring complex manual interpretation by clinicians. The processor automatically evaluates the hearing responses and identifies optimal stimulation parameters, reducing the burden on clinical personnel.
3Reliability
If monopolar and focused stimulation measurements are combined to personalize parameter optimization, then individual hearing outcomes are improved, but measurement and analysis complexity increases
Solution Approach 1:
The system combines monopolar and focused stimulation measurements into a unified assessment protocol. By integrating both measurement types and analyzing their combined results, the system captures both the broad hearing threshold information from monopolar stimulation and the spatially-resolved information from focused stimulation, enabling personalized parameter optimization through comprehensive response analysis.
Data Source
AI summary
Presented herein are techniques for setting operational parameters of an implantable medical device system based on a combination of at least one monopolar stimulation measurement and one or more multipolar (focused) stimulation measurements. In particular, the techniques presented herein perform at least one objective or behavioral measurement using monopolar stimulation, and the same objective or behavioral measurement using focused stimulation with one or more degrees of focusing. Hearing outcomes/responses evoked in response to each of the measurements are captured/recorded and evaluated relative to one another to set one or more operational parameters, such as the degree of focusing, of the implantable medical device or implantable medical device system.