Multi-Headed Toothbrush With Flexible Attachment Arms
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing multi-headed toothbrushes with rigid necks cause pinching of gums and teeth due to inadequate pressure distribution and fail to effectively transmit sonic energy to the brush heads, limiting their effectiveness and usability, especially for individuals with limited dexterity.
Innovation Solution
A toothbrush design featuring three independently flexing brush heads connected via flexible attachment arms, allowing for consistent pressure distribution and transmission of sonic or other motions from a handle-mounted mechanism, reducing user effort and eliminating the need for back-and-forth motion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If rigid necks are used in multi-headed toothbrushes, then structural stability is improved, but pressure distribution on teeth and gums deteriorates causing pinching
Solution Approach 1:
The toothbrush head is segmented into multiple independent brush head units (first, second, and third brush heads) connected via flexible attachment arms. Each brush head unit can independently flex and adapt to different tooth surfaces, allowing pressure to be distributed evenly across multiple contact points rather than concentrated at rigid connection points, thereby preventing gum pinching while maintaining structural integrity.
Solution Approach 2:
The attachment arms connecting the brush heads are made of flexible material that allows each brush head to independently conform to the contours of teeth and gums. This flexibility enables the brush heads to adapt to varying anatomical structures without transmitting excessive force to the gums, resolving the contradiction between structural stability and pressure distribution.
2Use of energy by moving object
If rigid attachment structures are used, then transmission of sonic energy is improved, but adaptability to different tooth anatomies deteriorates
Solution Approach 1:
The attachment arms are designed with dynamic flexibility, allowing them to bend and adapt to different tooth anatomies while still effectively transmitting sonic energy from the handle to the brush heads. The flexible material maintains sufficient stiffness to transmit vibration energy but possesses enough compliance to conform to varying oral structures, resolving the contradiction between energy transmission and adaptability.
3Productivity
If multiple brush heads are used simultaneously, then cleaning efficiency is improved, but device complexity increases
Solution Approach 1:
The toothbrush is divided into multiple functional brush head units that can be independently positioned and angled. Each brush head targets specific tooth surfaces (e.g., outer, inner, chewing surfaces), enabling comprehensive cleaning of multiple tooth faces simultaneously. This segmentation approach increases cleaning efficiency while maintaining relatively simple individual component designs.
Solution Approach 2:
Multiple brush head units are merged into a single integrated toothbrush assembly with common handle and power source. The flexible attachment arms allow the brush heads to be positioned in a configuration that enables simultaneous cleaning of multiple tooth surfaces, combining the functionality of what would otherwise require multiple separate brushing actions or devices.
4Adaptability or versatility
If flexible materials are used in brush head attachment, then adaptability to tooth shapes is improved, but transmission of sonic energy deteriorates
Solution Approach 1:
The attachment arms utilize flexible material that maintains sufficient structural integrity to transmit sonic energy from the handle to the brush heads. The flexibility is optimized to allow adaptation to tooth shapes while preserving enough stiffness to effectively conduct vibration energy, resolving the contradiction between adaptability and energy transmission.
Solution Approach 2:
The physical parameters of the attachment arms (such as thickness, material composition, and structural geometry) are optimized to achieve the right balance between flexibility for adaptability and stiffness for energy transmission. By adjusting these parameters, the design achieves both conformability to tooth surfaces and effective transmission of sonic energy.
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 flexible multi-headed toothbrush enables efficient cleaning of teeth in less time while preventing gum pinching and accommodating various anatomical tooth shapes, enhancing usability for diverse users, including those with motor function limitations.
Implementation Method 1
the flexible nature of the attachment arms allows for the transmission of sonic energy motion to the brush heads
Data Source
AI summary
The present invention generally relates to oral hygiene. In particular, embodiments of the invention relate to a multi-headed toothbrush and method for brushing teeth.