Integrated Cochlear Implant Headpiece with Magnetic Coupling

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Solution Overview

Problem

Cochlear implant users face difficulties with conventional systems due to the need for separate external processors and cables, which can be cumbersome, prone to snagging, and visually unattractive, while also being susceptible to damage and restricted activity.

Innovation Solution

An integrated headpiece that combines all external components of the cochlear implant system into a single unit worn over the surgically implanted receiver, eliminating the need for separate processors and cables, and incorporating features like inductive charging and magnetic retention for improved usability and aesthetics.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If separate external processors and cables are used in conventional cochlear implant systems, then the system can provide necessary audio processing and power transmission functions, but the device complexity increases and user convenience deteriorates due to cable management issues

Engineering Contradiction:
Improveuser convenienceVSAvoidsystem complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent combines the external processor, power source, and transmission components into a single integrated headpiece that magnetically couples with the implanted receiver. This eliminates the need for separate processors and cables, directly resolving the technical contradiction by reducing system complexity while improving ease of operation through a unified, cable-free design

Inventive Principle:
Principle #5Merging (Combining)

2Reliability

If cables are used to connect external components, then power and signal transmission can be achieved, but the reliability decreases due to susceptibility to snagging, pulling, and bending damage

Engineering Contradiction:
Improveconnection reliabilityVSAvoidconnection structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces the mechanical cable connection system with a magnetic coupling system. The headpiece contains a magnet that magnetically couples with a ferromagnetic material in the implanted receiver, eliminating physical cables that are susceptible to snagging, pulling, and bending damage. This substitution significantly improves connection reliability while simplifying the overall structure

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Ease of operation

If separate external components are used, then functional requirements can be met, but the aesthetic appearance deteriorates due to visible cables and multiple components

Engineering Contradiction:
Improveaesthetic appearanceVSAvoidcomponent configuration
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent merges all external components into a single headpiece that sits behind the ear, eliminating visible cables and multiple separate components. The integrated design provides a clean, aesthetic appearance while maintaining all necessary functions through the magnetic coupling system

Inventive Principle:
Principle #5Merging (Combining)

4Adaptability or versatility

If cables route through clothing and hair, then connection can be maintained, but the ease of operation worsens due to restrictions on hair styling and clothing choices

Engineering Contradiction:
Improveactivity freedomVSAvoiddaily usability
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent replaces the cable-based mechanical connection with a magnetic coupling system that requires no routing through clothing or hair. The headpiece simply magnetically attaches to the implanted receiver, providing complete freedom for hair styling and clothing choices while maintaining secure connection, thus improving both adaptability and daily usability

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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

The integrated headpiece reduces the complexity and visibility of the cochlear implant system, enhances user experience by eliminating cable management issues, and provides a more robust and user-friendly solution for cochlear implant users.

Implementation Method 1

an induction coil configured to generate a magnetic field

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Implementation Method 2

a magnet secured to a circuit board of the integrated speech processor headpiece and configured to generate a magnetic field for securing the integrated speech processor headpiece to a patient's head

Methodology Applied
Scientific EffectMagnetic field: Magnetic Field

Data Source

PatentEP2376186B1Integrated cochlear implant headpiece
Publication Date: 2016.03.30 ADVANCED BIONICS AG
  • EP2376186B1 patent drawingFigure 1
  • EP2376186B1 patent drawingFigure 2
  • EP2376186B1 patent drawingFigure 3

AI summary

An integrated headpiece for a cochlear implant system includes a microphone for outputting an audio signal; signal processing electronics for processing the audio signal; and a transmitter for transmitting a processed audio signal received from the electronics to an implanted receiver. All of the microphone, signal processing electronics, and transmitter are disposed in a common housing of the integrated headpiece. The headpiece may also be one of a set of headpieces that can be alternatively used as needed to suit power consumption requirements or environmental conditions.