One-Piece Hearing Aid Filter Member for Wax Protection
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Solution Overview
Problem
Existing ear wax filters for hearing aid devices are often difficult to change and require specific tools, with small tolerance requirements that complicate production and user friendliness.
Innovation Solution
A replaceable, one-piece filter member with a sock-like design that covers multiple openings in the hearing aid device, featuring a flexible structure and attachment mechanism for easy attachment and detachment, allowing for regular replacement to prevent ear wax accumulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional ear wax filters are used, then ear wax protection is provided, but the filters are difficult to change and require specific tools
Solution Approach 1:
The filter system is segmented into a modular design where the filter element can be easily separated from the housing. The filter is designed as a distinct component that can be independently removed and replaced without requiring tools or disassembling other parts of the hearing aid device.
Solution Approach 2:
The filter element is extracted as a separate replaceable component from the housing structure. This allows the filter to be easily removed and replaced by simply taking it out of its mounting position, eliminating the need for special tools or complex removal procedures.
2Ease of manufacture
If traditional ear wax filters are used, then ear wax protection is provided, but production requires small tolerance requirements
Solution Approach 1:
The filter element incorporates localized filtering structures only where needed to block ear wax, rather than requiring precise tolerances throughout the entire component. The filtering function is concentrated in specific areas with appropriate mesh or perforation patterns, while other areas have more relaxed dimensional requirements.
Solution Approach 2:
The filter design uses parameter changes in the filtering structure, such as varying mesh sizes or perforation densities in different zones, to achieve effective ear wax protection without requiring tight tolerances on all dimensions. This allows for more flexible and easier manufacturing processes.
3Reliability
If a one-piece filter member is used to cover multiple openings, then full ear wax protection is achieved, but the filter design becomes more complex
Solution Approach 1:
The filter element is designed as a universal component that simultaneously covers and protects multiple openings in the hearing aid device. A single filter structure integrates protection for sound ports, microphone openings, and ventilation holes, eliminating the need for separate filters for each opening and actually reducing overall complexity.
Solution Approach 2:
Multiple filtering functions are merged into a single integrated filter element. The filter combines various filtering zones and structures into one unified component that can be manufactured and replaced as a single unit, simplifying both the design and the replacement process while maintaining comprehensive protection.
Data Source
AI summary
A replaceable filter member for a hearing aid device is disclosed. The filter member comprising an unit with a housing configured to be inserted into the ear canal of a user of the hearing aid device. The filter member is configured to prevent ear wax from entering an opening in the housing. The filter member is a one-piece body that is configured to cover several openings in the unit while being attached to the unit.