Smart Hygiene Device with Position Tracking for Brushing Feedback
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Solution Overview
Problem
Users often fail to maintain effective personal hygiene routines due to improper techniques, leading to inadequate cleaning of teeth, facial, and body areas, which can negatively impact oral and overall health.
Innovation Solution
A personal hygiene device equipped with a position member using object recognition technology to identify designated features on the user and the hygiene implement, providing real-time feedback and guidance to ensure proper positioning and technique through a camera and display system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a user follows recommended brushing techniques taught by a dentist, then oral health improvement is achieved, but the user may forget or abandon the techniques outside the dentist's office
Solution Approach 1:
The patent employs real-time feedback through position tracking systems that monitor brushing motion, duration, and force application. The system provides immediate guidance to users during brushing routines, ensuring they maintain proper technique without requiring repeated dentist visits for reinforcement.
Solution Approach 2:
The patent replaces manual monitoring and memory-dependent technique retention with an automated electronic system using cameras, sensors, and computational algorithms to track and evaluate brushing behavior, eliminating the need for human observers or user memory.
2Measurement precision
If a patient demonstrates their typical brushing technique to a dentist, then the dentist can provide guidance, but the patient will generally exaggerate their regular brushing technique due to the dentist's observation
Solution Approach 1:
The system allows users to independently record and analyze their own brushing techniques using portable devices or smart toothbrushes with integrated sensors. Users can review their performance data and make adjustments without the pressure of being observed by a dentist, ensuring more authentic technique demonstration.
Solution Approach 2:
The patent replaces the human observation system with an automated electronic monitoring system that objectively tracks brushing parameters through sensors and image processing, eliminating the psychological effect of being watched and the subjectivity of human assessment.
3Productivity
If incorrect brushing habits are maintained, then the brushing routine can be performed quickly, but several teeth or portions of teeth are consistently neglected
Solution Approach 1:
The system provides real-time feedback during brushing by tracking the position of the toothbrush relative to teeth using computer vision and sensor data. It immediately alerts users when areas are being neglected or when proper coverage is not achieved, ensuring complete cleaning without sacrificing speed.
Solution Approach 2:
The patent transitions from two-dimensional visual inspection to three-dimensional spatial tracking of toothbrush position and orientation. By monitoring brushing motion in three dimensions, the system can comprehensively assess coverage of all tooth surfaces and detect neglected areas that would be difficult to identify through traditional visual methods.
Data Source
Figure 1
Figure 2A~2B
Figure 2C~2D
AI summary
A personal hygiene device includes a personal hygiene implement and a first position member. The personal hygiene device is capable of providing the user with feedback which can assist the user in his/her personal hygiene routines.