Oscillatable Toothbrush Handle with Holographic Directional Indicators
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional toothbrushes are not well-suited for implementing recommended brushing techniques, such as the modified STILLMANN method, which requires specific motions to effectively clean teeth surfaces, and lack features to educate users on correct brushing practices.
Innovation Solution
A toothbrush with a handle designed to facilitate oscillating motions, featuring an intermediate part with inclined flat faces that include dynamic hologram patterns changing with inclination, guiding users to perform correct brushing techniques by visually indicating the necessary oscillation directions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a conventional toothbrush is used, then the structure is simple and easy to manufacture, but it is not well-suited for implementing recommended brushing techniques such as the modified STILLMANN method
Solution Approach 1:
The handle is segmented into distinct functional zones: a grip zone with ergonomic contours, an intermediate zone with holographic indicators, and a head zone with optimized bristle arrangement. This segmentation allows each part to serve its specific function while maintaining overall manufacturability through modular design
Solution Approach 2:
Holographic indicator elements are introduced as an intermediary component between the user and the brushing action. These indicators provide visual guidance on proper technique without requiring complex mechanical mechanisms, thus maintaining ease of manufacture while significantly improving ease of operation
2Ease of operation
If a toothbrush with oscillation-capable handle is used, then correct brushing technique is facilitated, but the handle structure becomes more complex
Solution Approach 1:
The handle geometry itself serves the dual function of both structure and instruction. The ergonomic contours naturally guide finger placement for oscillating motion, while holographic indicators on the surface provide technique guidance. This self-service approach eliminates the need for separate mechanical oscillation mechanisms or electronic components
Solution Approach 2:
Complex mechanical mechanisms for guiding oscillation are replaced with optical information carriers (holograms). Instead of using mechanical linkages or springs to enforce proper motion, the patent uses visual indicators that inform the user how to move the brush, substituting a mechanical control system with an information-based guidance system
3Loss of information
If dynamic hologram patterns are added to indicate oscillation direction, then user education is improved, but manufacturing complexity increases
Solution Approach 1:
Holographic indicator patterns are applied as surface decorations or labels on the handle rather than being integrated into the core structural components. This copying approach allows complex visual information to be added without fundamentally altering the manufacturing process of the handle itself, as these holographic elements can be applied post-production through labeling or surface coating techniques
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 toothbrush effectively encourages users to perform the recommended brushing motions, ensuring thorough cleaning of teeth surfaces while preventing bacterial contamination and promoting correct brushing techniques through interactive visual cues.
Implementation Method 1
said means of indication being at least a hologram comprising at least one pattern and/or character capable of being animated visually and/or changing appearance according to the inclination of the handle
Data Source
Figure 1~5
Figure 6A~6B
AI summary
The present invention relates to a toothbrush (1) including a sleeve (2) comprising, successively from front to back: a front portion (21) made up of a head having, on the bottom surface thereof, bristles (3) extending downwards, an intermediate portion (22), and a rear portion (23). Said intermediate portion (22) has a transverse cross-section including: a basic triangular top cross-section that has a point directed upwards and comprises at least two angled planar surfaces (22a, 22b) overlapping each other along a top edge (22c), and a basic bottom cross-section defined by a downward-facing arch (22d) having convexity. Said transverse cross-section is remarkable in that each angled planar surface (22a, 22b) comprises an indication means capable of indicating the direction in which the sleeve (2) should be oscillated on the basis of the angular orientation thereof.