Bikini Brace Helical Fenestrated Limb Support
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Solution Overview
Problem
Conventional braces are often cumbersome, uncomfortable, and unattractive, leading to non-compliance among patients due to their complex securing mechanisms and rigid structures that immobilize limbs.
Innovation Solution
A minimalist 'bikini' brace design that fits around an injured limb with a minimal structural configuration, allowing for axial twisting or rotation while preventing bending, featuring a custom-fit inner surface created through digital representation and photogrammetry, with fenestrations for ventilation and lightweight construction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a rigid structure is used to prevent limb movement, then the brace provides effective support and prevents injury, but the brace becomes cumbersome and uncomfortable to wear
Solution Approach 1:
The brace is divided into multiple separate components including a rigid structural element, flexible padding segments, and independent fastening systems. This segmentation allows the rigid parts to provide necessary support while flexible segments conform to body contours, resolving the contradiction between structural effectiveness and wear comfort.
Solution Approach 2:
Different regions of the brace have different mechanical properties - rigid sections are positioned precisely where structural support is needed to prevent injury, while flexible and cushioned regions are placed in contact areas for comfort. This localized differentiation maintains reliability where required while improving ease of operation in wear areas.
2Ease of operation
If thick padding is added to make the brace comfortable, then the brace becomes more comfortable to wear, but the brace becomes more cumbersome and less attractive
Solution Approach 1:
The padding function is extracted as a separate removable component rather than being integrated into the main rigid structure. This allows thin, comfortable padding to be added only where needed for comfort without increasing the overall bulk or complexity of the structural elements, maintaining both comfortability and aesthetic appeal.
Solution Approach 2:
Instead of thick rigid padding, the design uses thin flexible cushioning materials that conform to the body's surface. These thin films provide necessary comfort and pressure distribution without adding significant bulk, thus improving ease of operation while minimizing increase in device complexity.
3Reliability
If a complex securing mechanism is used to ensure the brace stays in place, then the brace provides reliable immobilization, but the brace becomes complicated to secure and less attractive
Solution Approach 1:
The fastening mechanism is designed to be self-adjusting and self-securing, allowing the user to easily fasten and adjust the brace without requiring complex tools or procedures. This self-service approach maintains reliable positioning through automatic tensioning features while minimizing the apparent complexity of the securing mechanism.
Solution Approach 2:
The securing mechanism uses adjustable parameters such as variable fastening positions and modifiable tension levels to achieve reliable immobilization. By allowing parameter adjustment rather than requiring a fixed complex mechanism, the brace maintains stability while reducing overall device complexity and improving ease of operation.
Data Source
AI summary
A bikini brace has an inner surface that corresponds to a digital representation of an injured limb. The bikini brace can wrap around a length of the limb in a helical manner. The body of the bikini brace may be a single piece structure that is fenestrated to provide air circulation to the injured limb.