Spinal Back Support Geometry for Natural Curvature Relief
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Solution Overview
Problem
Existing back support devices provide only limited relief for back pain caused by poor posture and seating positions, as they fail to effectively support the natural curvature of the spine and accommodate varying spinal lengths.
Innovation Solution
A back support device with convex and concave regions configured to approximate geometric progressions, specifically Fibonacci ratios, to complement the natural curvature of the spine, allowing for adjustable support and tension on vertebrae, and featuring a resilient, deformable design for accommodating different spinal lengths and positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a simple cylindrical cushion is used as a back support device, then the device is easy to manufacture and simple in structure, but it provides only limited relief for back pain and fails to effectively support the natural curvature of the spine
Solution Approach 1:
The back support device is divided into multiple functional regions including a first convex region, a concave region, and a second convex region. Each region serves a specific therapeutic purpose: the convex regions support the lumbar and cervical regions while the concave region supports the thoracic region. This segmentation allows the device to effectively support the natural curvature of the spine while maintaining a relatively simple overall structure that can be manufactured using standard cushion-making processes.
2Stability of the object's composition
If a fixed rigid structure is used to support the spine, then the device provides stable support, but it cannot accommodate varying spinal lengths and positions of different users
Solution Approach 1:
The back support device incorporates resilient and deformable materials that allow the structure to dynamically adapt to different users while maintaining stable support. The device can elastically deform to accommodate varying spinal lengths and positions, then return to its original shape. This dynamic property enables a single device to effectively support multiple users with different body types and spinal characteristics, combining stability with adaptability.
3Reliability
If the back support device uses complex geometric ratios and multiple regions, then it effectively supports the natural curvature of the spine, but the device complexity increases
Solution Approach 1:
The back support device applies different local qualities to different regions of the cushion. The first convex region, concave region, and second convex region each have distinct geometric properties and firmness characteristics tailored to support specific parts of the spine. This local differentiation allows the device to effectively support the natural curvature of the spine through targeted regional properties rather than requiring complex overall structural designs, thus managing device complexity while maintaining spinal support effectiveness.
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 device provides therapeutic benefits by supporting the spine in a natural position, holding adjacent vertebrae in tension and improving posture, while being adaptable to various spinal lengths and positions, offering relief from back pain.
Implementation Method 1
the device is resiliently deformable
Data Source
AI summary
A back support device (100) having a first convex region (160) and a concave region (200) being connected to the first convex region (160), the first convex region (160) and the concave region (200) being configured to support respective regions of a user's back, wherein a ratio between a straight line distance across the first convex region (160) and a straight line distance across the concave region (200) approximates a geometric progression.