Limb-Mounted Load Distribution With Compression-Relief Zones
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Solution Overview
Problem
Conventional load carrying equipment (LCE) such as backpacks experience peak forces on the body during movement, leading to muscular and orthopedic injuries, reduced mobility, and difficulty accessing equipment, especially with heavier loads.
Innovation Solution
A load distribution system (LDS) that utilizes biomechanical interfaces worn on the user's extremities, employing alternating compression and relief zones to secure the load to the skeletal structure, minimizing lost motion and enhancing accessibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If conventional backpacks are used to carry heavy loads, then the load can be transported, but peak forces are exerted on the body during movement causing muscular and orthopedic injuries
Solution Approach 1:
The load carrying system is segmented into multiple independent limb-mounted devices rather than a single backpack, distributing the load across different body parts and reducing peak forces on any single area during movement
Solution Approach 2:
The system transitions from traditional vertical load carrying (backpack on back) to horizontal/distributed load carrying across multiple extremities, fundamentally changing the dimension and distribution pattern of force application on the body
2Force
If heavy loads are carried in conventional backpacks, then the equipment can be transported, but mobility and speed of deployment are reduced
Solution Approach 1:
The limb-mounted devices are designed to be dynamically adjustable and adaptable to the user's movements, allowing rapid deployment and reconfiguration while carrying heavy loads, unlike static conventional backpacks
Solution Approach 2:
The system uses the user's own limb structures as intermediaries to carry and move loads, leveraging the body's natural movement capabilities rather than opposing them with rigid backpack structures
3Force
If conventional backpacks are used, then the load can be carried, but accessibility to equipment is difficult especially with heavier loads
Solution Approach 1:
Equipment is segmented and distributed across multiple limb-mounted devices rather than consolidated in a single backpack, making individual items more accessible without requiring the user to rotate or reposition the entire load
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 LDS reduces strain, improves mobility, and enhances accessibility to equipment, reducing the risk of injury and allowing easier maneuvering with heavier loads.
Implementation Method 1
The load carrying devices are designed to interface with the limb in a manner that optimizes load distribution and load stability. This is achieved through alternating compression areas and relief areas (or zones) that compress the soft tissue of the limb and reduce motion of the interface relative to the bone structure.
Data Source
Figure 1~2
Figure 3~4
Figure 5a~6b
AI summary
A load carrying device to be worn on a user's limb is described. The load carrying device has a distal cuff, a proximal cuff, and several elongated compression members. The ends of the elongated compression members removably attach to the distal and proximal cuffs, and are designed to compress the limb's soft tissue and stabilize the bone. The alternative of compression and relief zones captures lost motion between the limb and the device when the device is worn on the user's limb. The load carrying device can be used in conjunction with a load distribution system.