Therapeutic Boot With Segmented Fiberfill Chambers
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Solution Overview
Problem
Current support surfaces fail to effectively protect the ankle, foot, and heel from pressure ulcers due to inadequate mechanical stress relief, circulatory issues, and anatomical challenges, leading to increased risk and treatment costs, especially in the aging population.
Innovation Solution
A therapeutic cushioning boot with a design featuring multiple support chambers filled with varying concentrations of fiberfill material, a removable foot gate for easy inspection and offloading, and anti-shear barriers to minimize pressure and friction, providing elevation, circulation promotion, and comfort while allowing passive range of motion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If support surfaces are used to protect the ankle, foot, and heel, then pressure ulcer prevention is improved, but the mechanical stress relief and circulatory protection are insufficient due to anatomical challenges
Solution Approach 1:
The boot is divided into multiple independent support chambers (first support chamber with first fill material, second support chamber with second fill material, third support chamber with third fill material) that can independently provide different types of support. This segmentation allows each chamber to address specific anatomical needs and pressure points, improving overall reliability while managing harmful factors more effectively.
Solution Approach 2:
Different fill materials with different properties are placed in different support chambers to provide localized support. The first fill material, second fill material, and third fill material each have distinct characteristics that address specific local requirements of the ankle, foot, and heel regions, enabling tailored pressure distribution and circulatory protection.
2Reliability
If a therapeutic boot with multiple support chambers is used, then pressure distribution and circulation are improved, but the device complexity increases
Solution Approach 1:
Multiple support chambers with different fill materials are merged into a single integrated boot structure. This combining approach achieves complex pressure distribution and circulation benefits while maintaining a unified, manageable device that does not require multiple separate components.
Solution Approach 2:
The boot serves multiple functions simultaneously: the first support chamber provides primary support, the second support chamber provides secondary support, and the third support chamber provides additional stabilization. This multi-functionality is achieved within a single device, reducing the need for multiple separate therapeutic devices.
3Stability of the object's composition
If the boot structure is made rigid to provide support, then structural stability is improved, but the ease of operation and patient comfort deteriorate
Solution Approach 1:
The boot transitions from a rigid structure to a dynamic structure where the fill materials can shift and adapt within the support chambers. This allows the boot to maintain structural stability while accommodating patient movement and providing comfort, as the soft fill materials can deform to match the patient's anatomy and motion.
Solution Approach 2:
The boot utilizes flexible chambers containing soft fill materials instead of rigid structural elements. This allows the boot to maintain its shape and provide support while being flexible enough to accommodate patient movement and provide comfort, resolving the contradiction between stability and ease of operation.
Data Source
AI summary
A therapeutic cushioning boot includes a foot portion configured to receive a foot of a user, and a leg portion configured to receive a leg of the user. The leg portion includes at least a first support chamber and a second support chamber. A first fiberfill material is provided in the first support chamber at a first concentration, and a second fiberfill material provided in the second support chamber at a second concentration that is less than the first concentration.