Removable Control Unit for Skin Tone Sensing
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Solution Overview
Problem
Existing skin treatment apparatuses using intense pulsed light (IPL) lack effective safeguards to prevent misuse due to user misunderstanding or abuse, as they do not adequately account for individual skin types and conditions, potentially leading to overexposure.
Innovation Solution
A skin treatment apparatus with a removable control unit that can operate in sensing and control modes, allowing for the measurement of skin parameters such as tone and oiliness, and adjusting radiation parameters like power level and duration based on these measurements to prevent overexposure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed control unit is integrated into the base unit, then the device structure is simpler, but the device cannot adapt to different skin types and conditions
Solution Approach 1:
The control unit is separated from the base unit and made removable, allowing the sensing unit to be detached and used independently for skin assessment while the base unit handles radiation delivery. This segmentation enables adaptation to different skin types through portable sensing while maintaining a simpler base structure.
Solution Approach 2:
The control unit serves multiple functions: it acts as both a sensing unit for measuring skin parameters and a control unit for regulating radiation delivery. This multi-functionality allows the device to adapt to different skin types without requiring separate dedicated devices.
2Reliability
If radiation parameters are fixed, then the device operation is simpler, but the device cannot prevent overexposure for different skin types
Solution Approach 1:
The sensing unit measures skin-specific parameters such as skin type, tone, and condition, and this information is fed back to the control unit. The control unit then adjusts radiation parameters (energy intensity, pulse duration, wavelength) based on this feedback to prevent overexposure while maintaining safe and effective treatment.
Solution Approach 2:
The device dynamically changes radiation parameters (energy intensity, pulse duration, wavelength) based on measured skin parameters. This parameter adjustment ensures safe treatment for different skin types while preventing overexposure, with the control mechanism adapting settings in real-time.
3Ease of operation
If the sensing unit is integrated permanently, then the device is more compact, but the user cannot perform skin assessment separately from treatment
Solution Approach 1:
The sensing unit is made removable and portable, allowing users to perform skin assessment independently from the main treatment device. This segmentation enables the sensing function to be used separately for skin type determination while keeping the overall device configuration flexible.
4Reliability
If the device requires docking for control, then radiation control is more reliable, but the operation steps are more complex
Solution Approach 1:
The sensing unit measures skin parameters and stores the data before the actual radiation treatment. This preliminary assessment allows the control unit to pre-configure appropriate radiation parameters, ensuring reliable and accurate radiation control while simplifying the treatment process by eliminating the need for complex real-time adjustments during irradiation.
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 apparatus ensures safe and tailored skin treatment by limiting radiation exposure based on individual skin types, preventing misuse and ensuring effective treatment while minimizing the risk of overexposure.
Implementation Method 1
a sensor for sensing a measurable skin parameter
Implementation Method 2
a source of skin treatment radiation which is configured to generate radiation having at least one variable radiation parameter
Data Source
AI summary
The apparatus includes a source of treatment radiation which is arranged to generate radiation at one of a plurality of radiation parameters (such as power levels), a control unit and a base unit. The control unit is arranged to removably dock with the base unit and includes a sensor which can sense one of a plurality of skin parameters, and an actuator for enabling a user to interface with the control unit. The control unit operates in a sensing mode, in which the control unit is undocked from the base unit to sense a parameter of skin to be treated (such as skin tone), and a control mode in which the control unit is docked to the docking unit and is arranged to select the power level of the radiation generated by the source.