Hearing Aid Connector with Removable Ear Tip Assembly
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Hearing aids lack a convenient and efficient method for users to switch between different ear tips, which can affect comfort and functionality, as existing designs do not allow for easy replacement or customization of ear tips.
Innovation Solution
A custom, removable, and replicable ear tip design that can be easily attached and detached from the transmission element of a hearing aid, allowing healthcare professionals to select the most comfortable ear tip for the user and enabling the swapping of components like emitters and cables while keeping the best-fitting ear tip.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If ear tips are fixed and non-replaceable in hearing aids, then manufacturing and initial fitting is simplified, but user comfort and functionality are compromised due to inability to switch between different ear tip types
Solution Approach 1:
The hearing aid system is divided into separable components: a fixed connector assembly integrated with the hearing aid body and a removable ear tip assembly that can be detached and replaced. This segmentation allows users to switch between different ear tip types while maintaining a simple, integrated connector design.
Solution Approach 2:
The connector assembly is designed with universal compatibility to accommodate multiple ear tip types (e.g., silicone, foam, custom-molded) through a single standardized interface. This multi-functionality enables the same connector to work with various ear tip materials and styles, providing adaptability without increasing complexity.
2Ease of operation
If ear tips are made replaceable and removable, then user comfort and customization are improved, but the risk of loss, damage, or misplacement of components increases
Solution Approach 1:
The ear tip assembly is designed to nest within or attach to the connector assembly through a tapered interference fit. The ear tip contains features like flanges or ridges that nest into corresponding recesses in the connector, providing secure retention while allowing easy manual removal and reattachment without special tools.
Solution Approach 2:
The connector and ear tip interfaces incorporate curved, tapered surfaces that guide proper alignment during insertion and provide a friction-fit retention mechanism. The curved geometry naturally centers the ear tip during attachment and maintains secure contact through radial pressure distribution.
3Reliability
If a secure connection mechanism is used for ear tips, then component retention is improved, but the ease of removal and replacement by users is reduced
Solution Approach 1:
The connection mechanism uses a dynamic friction-fit interface rather than a fixed mechanical lock. The tapered surfaces create variable friction that is high during normal use (providing security) but can be overcome by deliberate user manipulation (enabling removal). This dynamic characteristic allows the same connection to provide both retention and replaceability.
Solution Approach 2:
The connector and ear tip are pre-formed during manufacturing with precise tapered geometries that ensure proper alignment and secure contact. This preliminary preparation of the connection surfaces eliminates the need for complex assembly steps or tools during user replacement, making the process simple despite the secure fit.
Data Source
AI summary
In embodiments of the invention, the invention comprises a light tip cable including a cartridge assembly affixed to a medial end of the cable, the cartridge assembly including an emitter housing where the emitter housing includes an opening at a medial end of the housing and a flange at a lateral end of the housing. In embodiments of the invention, the cartridge assembly includes a light emitting element in the housing extending to the opening, retention features covering at least a portion of the housing, including the flange, the retention features comprising a lateral face and a lobe and at least one load bearing strand extending from the cable to the emitter; and electrical connectors extending from the cable to the light emitting element.