Toothbrush Biometric Monitoring via Multimodal Sensing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current oral hygiene devices lack the capability to monitor complex exposures to infectious agents and molecular interactions governing health and disease transitions, and traditional methods are unable to capture the complexity and dynamics of oral fluids on-site and in real-time for personalized diagnostics.
Innovation Solution
A toothbrush-based biometric monitoring system integrated with an oral fluid collector, multimodal sensing layer, and logic circuit that captures and analyzes biomarkers in oral fluids, providing real-time diagnostic feedback through an electrically conductive surface and communication circuit for external device transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional oral hygiene devices are used, then oral cleaning function is provided, but capability to monitor complex exposures to infectious agents and molecular interactions is lacking
Solution Approach 1:
The toothbrush is transformed from a single-function oral hygiene device into a multi-functional system that combines mechanical cleaning with biological sensing capabilities. The bristles are engineered to simultaneously perform mechanical disruption of biofilms and capture of biomarkers, while the handle integrates fluid collection reservoirs and electronic sensing components, enabling the device to serve both hygiene and diagnostic purposes.
Solution Approach 2:
The patent implements a nested structure where the oral fluid collector is integrated within the toothbrush head, the sensing layer is embedded within the device handle, and the electronic components are housed within the same structure. This nested arrangement allows multiple functional subsystems to be compactly integrated without significantly increasing the overall device footprint, resolving the contradiction between enhanced monitoring capability and device complexity.
2Measurement precision
If traditional methods are used to analyze oral fluids, then basic oral health assessment is possible, but real-time capture of complexity and dynamics of oral fluids on-site is unable
Solution Approach 1:
The patent extracts and isolates specific biomarkers of interest from the complex oral fluid matrix using selective binding elements such as antibodies, aptamers, or molecularly imprinted polymers incorporated into the sensing layer. This extraction approach enables precise detection of target analytes (infectious agents, immune markers, metabolic indicators) while filtering out interfering substances, achieving high measurement precision without requiring complex sample preparation equipment.
Solution Approach 2:
The patent replaces complex mechanical separation and analysis methods with integrated electrochemical or optical sensing mechanisms. The sensing layer converts biochemical interactions directly into electrical or optical signals that can be processed electronically, eliminating the need for traditional laboratory equipment such as centrifuges, microscopes, or chromatography systems, thereby achieving high precision detection with simplified device architecture.
3Adaptability or versatility
If comprehensive biomarker detection is implemented, then personalized and precision medicine is enabled, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The patent divides the sensing capability into multiple independent sensing zones within the sensing layer, each functionalized to detect specific classes of biomarkers (infectious agents, immune responses, metabolic markers). This segmentation allows for modular manufacturing where different sensing elements can be produced separately and then integrated into the final device, reducing overall manufacturing complexity while maintaining comprehensive diagnostic scope.
Solution Approach 2:
The patent utilizes changes in physical or chemical parameters of the sensing materials (such as electrical conductivity, optical properties, or mass) in response to biomarker binding events. These parameter changes provide naturally occurring signal amplification that eliminates the need for complex signal processing electronics or multiple sensing elements, thereby expanding diagnostic capabilities without proportionally increasing manufacturing difficulty.
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
Enables non-invasive, real-time monitoring of systemic health and disease markers, facilitating personalized and precision medicine by detecting infectious diseases, immune responses, and metabolic changes, improving diagnostic accuracy and population health monitoring.
Implementation Method 1
one or more binding moieties configured to bind one or more biomarkers of a biological oral fluid, wherein binding of the one or more biomarkers to the binding moieties generates a change in one or more electrical characteristics of the conductive layer
Implementation Method 2
an oral fluid collector coupled with an absorbing layer configured to capture analytes of a biological fluid
Data Source
AI summary
A toothbrush biometric monitoring system includes a multimodal sensing diagnostic system integrally incorporated into an oral hygiene device. The multimodal sensing diagnostic system is configured to capture a target molecule, detect molecular cues, and generate a signal in response to binding of a binding moiety and one or more biomarkers.