Smart Toothbrush Handle With Sensor Feedback

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Solution Overview

Problem

Conventional toothbrushes, especially electric ones, lack effective tracking and feedback mechanisms to monitor and improve brushing habits, leading to potential inefficiencies and increased costs due to component breakdowns, and they fail to provide personalized feedback based on user-specific needs.

Innovation Solution

A toothbrush system with an interchangeable motor module, sensors, and feedback modules that track brushing behavior, store data, and transmit feedback signals to external devices, allowing for customizable parts and user-specific brushing guidance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If electric toothbrushes are used to provide superior cleaning, then cleaning effectiveness is improved, but device complexity and cost increase

Engineering Contradiction:
Improvecleaning effectivenessVSAvoiddevice complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The toothbrush is divided into separable modules: a handle containing electronics and a replaceable brush head. This segmentation allows the complex electronic components to be isolated from the simple consumable brush head, reducing overall device complexity while maintaining superior cleaning effectiveness through the motorized handle.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The handle is designed as a universal component that can accommodate different brush head types and configurations. The integrated electronics provide multiple functions including motorization, sensing, feedback, and data tracking, all within a single handle unit that serves various cleaning needs.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Productivity

If conventional electric toothbrushes are used, then cleaning is improved, but reliability decreases due to component breakdowns

Engineering Contradiction:
Improvecleaning effectivenessVSAvoidreliability
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

By separating the brush head from the handle, the patent ensures that when the brush head wears out or becomes contaminated, only the inexpensive replaceable component needs replacement, not the entire device. This maintains high reliability for the expensive electronic handle while allowing easy replacement of consumable parts.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The design anticipates potential failures by making the brush head replaceable before the handle does. This cushioning approach protects the user from the high cost and complexity of replacing the entire toothbrush system, thereby maintaining perceived reliability even though component breakdowns occur.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

3Ease of operation

If conventional toothbrushes are used, then simplicity is maintained, but loss of information occurs due to lack of tracking and feedback

Engineering Contradiction:
ImprovesimplicityVSAvoidbrushing habit tracking
Core Design Contradiction:
Ease of operationVSLoss of information

Solution Approach 1:

The toothbrush incorporates sensors and feedback mechanisms that provide real-time information about brushing pressure, duration, and technique. The system communicates with mobile devices to track brushing habits over time, eliminating information loss about user behavior while keeping the interface simple through automated data collection and analysis.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

A mobile device serves as an intermediary between the toothbrush and the user. The toothbrush collects data locally and transmits it to the mobile device, which then processes and presents the information in useful formats. This intermediary approach maintains simplicity at the toothbrush level while enabling comprehensive tracking and feedback.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Productivity

If electric toothbrushes with integrated electronics are used, then cleaning is improved, but ease of repair decreases

Engineering Contradiction:
Improvecleaning effectivenessVSAvoidease of repair
Core Design Contradiction:
ProductivityVSEase of repair

Solution Approach 1:

The separation of the brush head from the handle means that most failures occur in the simple, replaceable brush head rather than the complex handle. This segmentation dramatically improves ease of repair by allowing users to replace only the inexpensive brush head component, not the expensive electronic handle.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP3745997B1A toothbrush system
Publication Date: 2024.01.10 QUIP NYC INC
  • EP3745997B1 patent drawingFigure 1
  • EP3745997B1 patent drawingFigure 2
  • EP3745997B1 patent drawingFigure 3

AI summary

A toothbrush apparatus and system and associated method. The apparatus includes a sensing module that performs at least one of the following: detect at least one time period associated with use of the toothbrush apparatus, detect one or more movements of the toothbrush apparatus, and any combination thereof. The apparatus's one or more processors communicatively coupled to the sensing module determine one or more measurements based on at least one of: the detected time periods, the detected movements, and any combination thereof, and store the determined measurements in one or more memory locations communicatively coupled to the processors. The apparatus also includes one or more feedback modules that receive the stored measurements and encode the measurements into corresponding feedback signals. One or more data transfer modules transmit the feedback signals.