Bone Conduction Connector Assembly Segmentation
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Solution Overview
Problem
Traditional bone conduction auditory prostheses have a connector that protrudes significantly, contributing to a larger overall size and potentially affecting vibration transfer and coupling efficiency.
Innovation Solution
The proposed solution involves a connector assembly with separate vibration transfer and coupling components, which reduces the protrusion distance and improves vibration transfer and coupling characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a traditional connector is used in bone conduction auditory prostheses, then the coupling structure is simple and easy to manufacture, but the protrusion distance is large which affects vibration transfer efficiency and coupling performance
Solution Approach 1:
The connector is divided into two separate components: a coupling component and a vibration conductor component. The coupling component provides radial retention and mechanical coupling, while the vibration conductor component extends axially to conduct vibrations efficiently. This segmentation allows each component to be optimized for its specific function, reducing the overall protrusion distance while maintaining coupling simplicity and vibration transfer efficiency.
2Device complexity
If a traditional connector is used, then the structure is simple, but the vibration transfer efficiency and coupling efficiency are reduced due to excessive protrusion distance
Solution Approach 1:
The connector is segmented into a coupling component with radial retention features and a separate vibration conductor component with axial extension. This segmentation enables the vibration conductor to be optimized for vibration transfer efficiency through its axial geometry and material properties, while the coupling component handles mechanical retention. The result is improved vibration transfer efficiency without excessive structural complexity.
3Length of stationary object
If the connector protrusion distance is reduced, then vibration transfer and coupling efficiency are improved, but the connector may become more complex to manufacture
Solution Approach 1:
By segmenting the connector into two specialized components, each can be manufactured using optimized processes for its specific function. The coupling component can be manufactured with focus on radial retention features, while the vibration conductor can be manufactured with focus on axial vibration conduction properties. This segmentation actually simplifies manufacturing by allowing each component to be produced independently with appropriate materials and processes.
Solution Approach 2:
The separate components can be designed to interface with standard abutment configurations, providing universal compatibility. The coupling component provides universal radial retention, while the vibration conductor provides universal axial vibration conduction. This multi-functionality approach allows the system to work with various abutment types without increasing manufacturing complexity.
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 configuration results in a shorter protrusion distance, enhanced vibration transfer, and improved coupling efficiency, leading to better performance and user experience.
Implementation Method 1
a vibratory actuator disposed within the housing; a vibration conductor separate from the coupling and extending through the opening and configured to conduct vibrations from the vibratory actuator to the abutment
Data Source
AI summary
Examples disclosed herein are relevant to improvements in connectors for bone conduction devices, particularly bone conduction auditory prostheses, to connect to an abutment. Disclosed examples include a connector assembly having a vibration conductor separate from a coupling. Examples can further include an adapter to modify a length of the connector assembly. Examples can further provide an angled connector assembly to modify an angle at which the connector assembly connects to an abutment.