Adjustable Cranial Orthosis for Infant Skull Growth Redirection
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Solution Overview
Problem
Positional skull deformities such as plagiocephaly, brachycephaly, and scaphocephaly, often caused by external mechanical pressure on infants, lead to asymmetrical skull and facial structures, affecting cognitive, motor, and linguistic developments, and require cost-effective treatment to minimize discomfort and improve head control.
Innovation Solution
An adjustable cranial orthosis with a headpiece comprising separate posterior and anterior sections, equipped with adjustment mechanisms, prevents contact between a flattened occipital area and a flat surface while redirecting head growth, and includes a sensor module for monitoring and treating torticollis and cervical muscle imbalance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a cranial orthosis is designed to prevent contact between the flattened occipital area and the flat surface, then skull symmetry is improved, but device complexity increases
Solution Approach 1:
The headpiece is divided into separate posterior and anterior sections that can be coupled together. The posterior section includes arcuate pieces that follow the contour of a symmetric skull, while the anterior section has a forehead engageable member. This segmentation allows the device to address different regions of the skull independently, improving symmetry correction capability while maintaining manageable complexity through modular design.
Solution Approach 2:
The orthosis incorporates widthwise and lengthwise adjustment mechanisms that allow dynamic adaptation to cranial growth. The headpiece can be adjusted in width by moving the arcuate pieces laterally and in length by adjusting the position of the posterior section relative to the anterior section. This dynamic adjustability maintains treatment effectiveness as the infant's skull grows, resolving the contradiction between achieving proper shape correction and managing device complexity.
2Adaptability or versatility
If adjustment mechanisms are added to accommodate cranial growth, then adaptability is improved, but device complexity increases
Solution Approach 1:
The orthosis incorporates widthwise and lengthwise adjustment mechanisms that allow dynamic adaptation to cranial growth. The headpiece can be adjusted in width by moving the arcuate pieces laterally and in length by adjusting the position of the posterior section relative to the anterior section. This dynamic adjustability maintains treatment effectiveness as the infant's skull grows, resolving the contradiction between achieving proper shape correction and managing device complexity.
Solution Approach 2:
The adjustment mechanisms enable changing key dimensional parameters of the headpiece - specifically the width (lateral dimension) and length (anterior-posterior dimension). By providing controlled parameter changes to match cranial growth rates, the device maintains its corrective function over time without requiring complete replacement, thus improving adaptability while keeping the adjustment mechanisms relatively simple.
3Shape
If a headpiece is designed to redirect head growth, then skull symmetry is improved, but discomfort to the infant increases
Solution Approach 1:
The orthosis applies different functional qualities to different regions of the skull. The posterior arcuate pieces provide support and redirection for the occipital region to prevent flattening, while the anterior forehead engageable member provides gentle restriction in the frontal area. The padding member with temple engaging portions provides comfort and stabilization at the temples. This localized differentiation of functional qualities allows effective growth redirection while minimizing overall discomfort through region-specific optimization.
Data Source
AI summary
A cranial orthosis configured to induce cranial remodeling to achieve symmetry of the skull, as well as adequate proportions between the head width and length, for infants suffering from positional skull deformities comprises a headpiece adapted to encircle, and to be secured to, the skull of an infant suffering from positional skull deformity in such a way that contact between a flattened occipital area of the infant and a flat surface on top of which the infant is lying is prevented so that unrestricted occipital growth (or other places) is able to be induced, wherein said headpiece is adjustable to take into account cranial growth of the infant and to redirect the head growth. The headpiece is capable of adjusting the infant's head growth, to improve symmetry and obtain adequate proportions.