Adjustable Stiff Shell Cap for Pediatric Headgear Impact Protection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current impact protection apparatuses, such as helmets, do not adequately address the unique impact dynamics and injury susceptibility of children's skulls due to the presence of cranial sutures, which can lead to increased stress and susceptibility to fractures and other serious injuries in young children.
Innovation Solution
A cap for protective headgear featuring a stiff shell with an adjustment mechanism that conforms to the individual wearer's head, providing a snug fit and maintaining form during impacts, potentially reducing the stress on the skull by minimizing gap size and displacement between the shell and the head, and optionally incorporating a low friction surface for improved energy distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a standard helmet construction is used for children, then the helmet provides general impact protection, but the cranial sutures in young children cause increased skull stress and susceptibility to fractures
Solution Approach 1:
The helmet is divided into multiple adjustable shell sections that can be independently positioned to accommodate the unique geometry of a child's skull with open cranial sutures. This local adjustment capability allows the helmet to distribute impact forces more evenly across the skull, avoiding stress concentration at the suture lines while maintaining overall protective coverage.
Solution Approach 2:
The helmet incorporates an adjustment mechanism that allows the shell sections to be dynamically repositioned to match the wearer's head shape. This dynamic adaptability ensures optimal fit and force distribution for each individual child, accounting for variations in skull development and suture closure patterns at different ages.
2Adaptability or versatility
If the stiff shell is made more compliant to accommodate growing children's heads, then the fit improves, but the protective capability during impact is reduced
Solution Approach 1:
The adjustment mechanism enables the stiff shell to transition between different configurational states - adjustable during normal wear to accommodate head growth and shape variations, then locked into a fixed configuration that maintains rigidity and protective capability during impact events.
Solution Approach 2:
The shell is segmented into multiple adjustable sections that can be independently positioned. This segmentation allows the overall shell structure to adapt to different head shapes while maintaining local rigidity in each section, ensuring both comfort/fit and impact protection are achieved.
3Ease of manufacture
If the helmet uses a one-size-fits-all construction, then manufacturing is simplified, but the fit and protection effectiveness for individual children is compromised
Solution Approach 1:
The helmet shell is manufactured as separate, standardized sections that can be assembled in different configurations. This segmentation allows for simplified manufacturing of individual components while enabling customized assembly to achieve proper fit for each child, thereby maintaining both ease of production and protection effectiveness.
Solution Approach 2:
The adjustment mechanism serves multiple functions: it accommodates different head sizes and shapes, ensures proper positioning of shell sections for optimal protection, and provides a secure fit. This multi-functionality allows a single design to serve diverse pediatric users without requiring completely different helmet constructions.
Data Source
AI summary
A cap for use with protective headgear, comprising: a stiff shell forming a layer that covers the internal surface area defined by the cap and formed from one or more sections; an adjustment mechanism, configured to adjust the form of the stiff shell to conform to an individual wearer's head, in a first operation mode, and configured to fix the form of the shell, in a second operation mode; and wherein the cap is configured such that the stiff shell substantially retains the fixed form during normal use and when subject to forces imparted to the cap during an impact.