Devices and methods for supporting and containing premature babies and small-for-age infants
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Solution Overview
Problem
Current infant support devices are inadequate for premature and small-for-age infants, particularly those under two kilograms, as they fail to provide proper support and can lead to deformational plagiocephaly due to their immaturity and limited mobility, often resulting in permanent head deformities if pressure is continuously applied.
Innovation Solution
The development of infant support devices with shape-adjustable fabric surfaces and discrete compressible materials, including foam inserts with concave head cavities, that can be customized to fit the infant's dimensions, providing a boundary to prevent or correct deformations such as plagiocephaly, dolichocephaly, scaphocephaly, and brachycephaly, while being gentle on the infant's skin and easy to clean.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional infant support devices are used, then the device structure is simple, but the device cannot provide proper support for premature infants and causes head deformation
Solution Approach 1:
The support device is divided into multiple functional layers: a base layer, a foam insert layer with head cavity, and a fabric cover layer. This segmentation allows each layer to perform its specific function - the base provides overall support, the foam insert provides head shaping, and the fabric provides comfort and adjustability.
Solution Approach 2:
The foam insert contains a head cavity with specific local geometry designed to match the contours of an infant's head. This local quality enhancement at the head support area provides targeted support and prevents deformation, while the rest of the device maintains a simpler structure.
2Adaptability or versatility
If fixed structure support devices are used, then the device is easy to manufacture, but the device cannot adapt to different infant sizes and growth stages
Solution Approach 1:
The fabric cover is designed with adjustable features such as repositionable snaps and flexible fastening systems that allow the device to be dynamically adjusted as the infant grows. This enables the same device to adapt to different infant sizes and developmental stages without requiring multiple fixed-size devices.
Solution Approach 2:
The device allows changes in key parameters such as the position of the head cavity, the tension of the fabric cover, and the configuration of support elements. These parameter changes enable the device to accommodate infants of different weights and ages, extending its usable lifespan.
3Reliability
If continuous pressure is applied to prevent head deformation, then head shape control is improved, but permanent deformation occurs due to immaturity and limited mobility
Solution Approach 1:
The foam insert head cavity is designed with curved, spherical contours that match the natural shape of an infant's head. This curved geometry distributes pressure evenly across the head surface, avoiding concentrated pressure points that could cause deformation, while still providing the necessary support to maintain proper head shape.
Solution Approach 2:
The foam insert material is specifically selected to provide cushioning and pressure distribution before any deformation can occur. The material's viscoelastic properties allow it to conform to the head shape and distribute forces evenly, preventing the development of flat spots or deformities in the first place.
4Reliability
If non-removable foam layers are used, then the device provides consistent support, but the device cannot be easily cleaned and maintained
Solution Approach 1:
The foam insert is designed as a separate, removable component that can be easily detached from the fabric cover. This segmentation allows the foam insert to be removed for cleaning or replacement without affecting the rest of the device, maintaining both support consistency and ease of maintenance.
Solution Approach 2:
The design allows the foam insert to be removed, cleaned, or replaced independently. If the foam insert becomes worn or contaminated, it can be discarded and replaced without needing to replace the entire device, extending the overall lifespan and maintaining hygiene.
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
These devices effectively reduce and treat pediatric development disorders by providing a supportive and adjustable surface that prevents head flattening and elongation, promoting a normalized head shape, and can be easily adapted as the infant grows, using removable foam layers and compressible materials like elastomeric polymer beads for comfort and durability.
Implementation Method 1
a layer of foam (e.g. solid polymer) material positioned inside the support device between said contact surface of said top enclosure and said shape-adjustable surface of said bottom enclosure, said layer comprising a concave head cavity
Implementation Method 2
said surrounding region comprising discrete compressible (and moveable) materials retained therein
Implementation Method 3
said discrete compressible materials comprise compressible beads
Implementation Method 4
moving said discrete compressible materials to adjust the shape of said shape-adjustable surface so as to create a boundary around at least a portion of said infant
Data Source
AI summary
Infant support devices and containment devices are described for use with premature and small-for-age infants, and in particular premature babies two kilograms or less, and even babies of one kilograms or less. The devices can be used separately or in combination (whereupon both support and containment are achieved together).