Flexible Paddle Ear Cerumen Removal Device

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Solution Overview

Problem

Conventional ear cleaning devices, such as cotton-tipped swabs, are ineffective in safely removing and preventing the buildup of cerumen in the ear canal, often causing damage, blockages, and potential infections.

Innovation Solution

A device with a paddle implement that radially deforms as it is rotated in the ear canal, featuring a neck portion with crevices and a handle for easy use, designed to safely remove cerumen while minimizing the risk of injury.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If cotton-tipped swabs are used to remove cerumen, then cerumen removal is attempted, but the cerumen is pushed deeper into the ear canal causing blockages

Engineering Contradiction:

Improvecerumen removal effectivenessVSAvoidear canal blockage

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

Instead of pushing cerumen outward with a rigid tip, the device uses a flexible paddle that deforms to wrap around and scoop cerumen from the ear canal walls, inverting the traditional pushing motion into a wrapping and gathering motion that safely extracts cerumen without impaction

Inventive Principle:

Principle #13The other way round (Inversion)

Solution Approach 2:

The paddle implement is made of flexible material that can deform radially to conform to the ear canal geometry, allowing it to safely navigate the canal and effectively gather cerumen along the walls without causing damage or pushing material deeper

Inventive Principle:

Principle #30Flexible shells and thin films

2Productivity

If stiff removal tools are used with excessive force, then cerumen removal is achieved, but damage occurs to the eardrum and skin lining the ear canal

Engineering Contradiction:

Improvecerumen removal effectivenessVSAvoidear canal injury

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

The paddle implement uses flexible material that deforms under contact forces, preventing transmission of excessive force to the eardrum and skin, while still maintaining enough stiffness to effectively scrape and remove cerumen from the ear canal walls

Inventive Principle:

Principle #30Flexible shells and thin films

Solution Approach 2:

The device transitions from a rigid structure to a dynamically flexible one during use, allowing the paddle to adapt its shape and force distribution in real-time based on contact conditions, thereby preventing injury while maintaining cleaning effectiveness

Inventive Principle:

Principle #15Dynamics

3Ease of operation

If cotton-tipped swabs are inserted into the ear canal, then cerumen can be accessed, but the risk of introducing bacteria and causing ear infections increases

Engineering Contradiction:

Improveaccess to cerumenVSAvoidear infection risk

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The device is designed as a single-use disposable product, eliminating the risk of cross-contamination between uses and ensuring that no bacteria are introduced into the ear canal from previous users, while maintaining effective cerumen removal capability

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The paddle implement's flexible deformation capability allows it to self-adjust to the ear canal geometry and cerumen distribution, reducing the need for aggressive insertion or manipulation that could compromise the ear canal's natural protective barriers

Inventive Principle:

Principle #25Self-service

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 device effectively removes cerumen and prevents its buildup, reducing the risk of hearing loss, discomfort, and infections, while ensuring safe and gentle use.

Implementation Method 1

The paddle implement is configured to radially deform as the device is rotated in the ear canal during use. In particular, the paddle implement is deformable from a radially expanded configuration before use to a radially contracted configuration after use

Methodology Applied

Scientific EffectRadial deformation: Deformation

Data Source

PatentUS20250025347A1Cerumen prevention and removal device

Publication Date: 2025.01.23 HILL MICHAEL L

AI summary

A device for removing and preventing the buildup of cerumen in an ear canal is disclosed. The device includes a body with an elongated handle and a neck portion that extends from the handle to a paddle implement. The neck portion includes one or more crevices and the paddle implement includes a flattened body. The paddle implement is configured to radially deform as the device is rotated in the ear canal during use. The paddle implement is deformable from a radially expanded configuration before use to a radially contracted configuration after use in which the diameter of the paddle implement is smaller compared to the diameter of the paddle when in the radially expanded configuration.