Spiral Brace Helical Support for Limb Immobilization
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Solution Overview
Problem
Conventional braces are cumbersome, uncomfortable, and unattractive, leading to patient non-compliance due to their thick padding, rigid structure, and immobilizing nature, which complicates securement and wearability.
Innovation Solution
A custom-designed spiral brace made of elastic material that wraps in a helical configuration around the injured limb, allowing axial rotation while preventing bending movements, with a smooth inner surface matching the limb's digital representation for a snug fit, and featuring fenestrations for ventilation and ornamental designs for aesthetics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional braces use thick padding and rigid structure to provide support and immobilization, then the brace provides adequate limb support and prevents movement, but the brace becomes uncomfortable to wear and unattractive to look at
Solution Approach 1:
The patent applies a thin plastic shell structure that replaces thick padding while maintaining support functionality. The brace is made from a single piece of thin plastic material (0.6mm to 3.0mm thickness) that forms a spiral configuration, providing structural support without the bulk and discomfort of traditional thick padding designs
Solution Approach 2:
The patent uses a spiral/helical configuration that conforms to the natural curvature of the limb. The brace wraps around the limb in a spiral pattern with a pitch of 2-6 inches, creating a curved structure that follows the limb's anatomy, improving both comfort and aesthetic appearance while maintaining immobilization effectiveness
2Reliability
If conventional braces use rigid structure to prevent limb movement, then the brace provides adequate immobilization, but the brace becomes complicated to secure to the patient's body
Solution Approach 1:
The patent merges the entire brace structure into a single continuous spiral piece without separate components, fasteners, or adjustment mechanisms. The brace is formed from one piece of plastic material that wraps around the limb in a helical pattern, eliminating the need for complex securing systems while maintaining immobilization through the spiral geometry itself
Solution Approach 2:
The patent segments the brace into a spiral configuration with distinct functional zones: a distal portion that fits around the hand/wrist area, a middle section adjacent to the wrist, and a proximal portion fitting the forearm. This segmentation allows the single piece to provide targeted immobilization at different locations along the limb without requiring multiple separate components
3Reliability
If conventional braces use thick padding and bulky structure, then the brace provides adequate support, but the brace becomes unattractive and patients are less likely to wear it
Solution Approach 1:
The patent uses a thin plastic shell (0.6mm to 3.0mm) that creates a sleek, low-profile appearance compared to bulky traditional braces. The thin shell structure maintains structural integrity for support while being aesthetically pleasing and comfortable enough for patients to wear consistently
Solution Approach 2:
The patent allows the plastic material to be manufactured in various colors and patterns, including translucent options. This aesthetic customization makes the brace more attractive to patients, increasing compliance while the underlying spiral structure provides the necessary medical support function
4Reliability
If conventional braces completely surround the injured limb, then the brace provides maximum immobilization, but the brace becomes uncomfortable due to lack of ventilation
Solution Approach 1:
The patent incorporates fenestrations (openings or porous structures) in the plastic shell that allow air circulation between the brace and the limb. These ventilation openings reduce perspiration buildup and improve comfort while the surrounding plastic structure maintains the immobilization function, creating a balance between support and breathability
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 spiral brace provides comfortable, secure, and aesthetically pleasing support, encouraging patient compliance by allowing necessary limb movement while preventing injury-related movements, such as carpal tunnel syndrome, through a lightweight, thin, and ventilated design.
Implementation Method 1
The brace can be made of an elastic material and the distal and proximal portion of the brace can be elastically deformed so that the entire brace can be repositioned to wrap around the limb
Data Source
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AI summary
A spiral brace has an inner surface that corresponds to a digital representation of an injured limb. The spiral brace can wrap around a length of the limb in a helical manner. The body of the spiral brace may be a single piece structure that is fenestrated to provide air circulation to the injured limb.