Multi-Chamber Insole Pressure Control for Personalized Walking Relief
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Solution Overview
Problem
Existing insoles fail to provide personalized and dynamic pressure relief for users with health conditions that affect walking, such as orthopedic ailments, arthritis, and diabetes, by not allowing selective inflation or deflation of chambers based on user needs.
Innovation Solution
A user device, such as an insole apparatus, with a plurality of chambers that can be selectively inflated or deflated using a pump and selector valve, controlled by circuitry and pressure sensors, allowing for personalized pressure adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single-chamber insole design is used, then the device complexity is low, but the adaptability to different user needs and pressure distribution requirements is insufficient
Solution Approach 1:
The insole is divided into multiple independent chambers (typically 3-5 chambers) that can be individually inflated or deflated. Each chamber corresponds to a specific region of the foot (heel, midfoot, forefoot, toe areas), allowing targeted pressure relief or support for different foot conditions without requiring complete redesign of the entire insole structure.
Solution Approach 2:
The insole incorporates a pump system with control valves that enable dynamic adjustment of air pressure in each chamber. Users can modify the firmness and pressure distribution in real-time based on their comfort preferences or changing foot conditions, transforming a static insole into an adaptive support system.
2Adaptability or versatility
If multiple chambers are added to provide personalized pressure relief, then the adaptability improves, but the device complexity increases
Solution Approach 1:
The pump system serves multiple functions: it can inflate individual chambers, deflate them, maintain pressure, and adjust pressure levels dynamically. The same pump and control mechanism handle all chambers, eliminating the need for separate pressure control systems for each chamber and reducing overall device complexity despite the multi-chamber configuration.
Solution Approach 2:
Each chamber can be independently controlled to provide specific pressure characteristics tailored to local foot requirements. For example, the heel chamber can be inflated for cushioning while the forefoot chamber remains deflated for flexibility, allowing customized pressure distribution across different regions of the foot without requiring complex global control systems.
3Adaptability or versatility
If chambers are made inflatable and deflatable for dynamic adjustment, then the adaptability to changing user needs is improved, but the ease of operation decreases due to complex pump and valve mechanisms
Solution Approach 1:
The system incorporates pressure sensors in each chamber that automatically detect when pressure adjustments are needed and communicate with the pump controller. The system can autonomously adjust chamber pressures to maintain optimal comfort and support levels without requiring constant manual intervention, reducing the operational burden on users.
Solution Approach 2:
Pressure sensors continuously monitor the air pressure in each chamber and provide feedback to the control system. This feedback loop enables automatic pressure regulation, where the system adjusts chamber pressures in response to sensor data, user inputs, or detected changes in foot position or load, simplifying operation through automation.
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 ease of walking by providing customizable pressure relief in real-time, addressing user-specific needs and improving comfort and mobility.
Implementation Method 1
A pump is couplable to the user device to selectively inflate or deflate the plurality of chambers to at least two different respective pressures
Implementation Method 2
The plurality of chambers can be selectively inflated in accordance with the user's needs in order to enable ease of walking
Data Source
AI summary
A footwear device is provided, the footwear device defining a plurality of chambers and including a resilient base on which the plurality of chambers are disposed. In the absence of any forces applied to the resilient base, a height of an upper surface of the resilient base under a first one of the chambers is higher than a height of the upper surface of the resilient base under a second one of the chambers. Other applications are also described.