Magnetic Arm Support Harness for Shoulder Pain Relief
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Solution Overview
Problem
Existing arm support systems for shoulder injury or surgery rehabilitation often restrict the use of the recovering arm, requiring significant removal or unattachment for arm use, which is inconvenient and may not provide adequate temporary support for pain relief.
Innovation Solution
An arm support system featuring a harness with a support plate and an engagement element on the chest, paired with a wrist strap having a mating engagement element that allows the injured arm to be supported from the wrist, enabling the arm to drape across the chest while allowing for easy detachment and reattachment without unhooking straps, using magnetic elements for secure attachment and release.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional arm sling supports are used to fully immobilize the arm and shoulder, then the shoulder injury is protected and stabilized, but the arm usage is significantly restricted and requires substantial removal or unattachment for arm use
Solution Approach 1:
The support system is divided into separate modular components: a harness that remains on the torso and a detachable arm support component. This segmentation allows the shoulder stabilization function to be maintained while the arm support can be independently attached or removed based on usage needs, resolving the contradiction between reliable stabilization and ease of arm operation.
Solution Approach 2:
The system transitions from a static, permanently attached sling to a dynamic configuration where the arm support component can be easily attached and detached. This dynamic capability enables the user to switch between supported and free-use states without removing the entire harness, improving arm usability while maintaining shoulder protection when needed.
2Reliability
If standard arm sling supports are employed for shoulder rehabilitation, then the shoulder is supported during recovery, but the device complexity increases and requires significant removal for arm use
Solution Approach 1:
By segmenting the support system into a permanent harness and a detachable arm support component, the overall device complexity is reduced. The harness remains simple and stable on the torso, while the arm support component can be easily attached or removed as needed, avoiding the need for complex adjustment mechanisms or complete system removal.
3Object-affected harmful factors
If traditional slings are used to immobilize the arm, then pain relief is achieved through shoulder support, but the ease of operation deteriorates as the sling must be substantially removed or unattached to use the arm
Solution Approach 1:
The system enables dynamic switching between supported and free states through easy attachment and detachment of the arm support component. When attached, it provides pain relief through shoulder support; when detached, it allows full arm movement freedom. This dynamic capability resolves the contradiction between pain relief and operational ease without requiring substantial removal of the entire system.
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
Enables the injured arm to be supported and used freely, providing temporary relief from shoulder load and pain, while allowing for easy reattachment and use without the need to remove or unhook the support system.
Implementation Method 1
using magnetic elements for secure attachment and release
Data Source
AI summary
An arm support system incorporates a harness with a support plate engaged to the harness. The support plate has an engagement element. A wrist strap has a mating engagement element and the wrist strap is adapted to be engaged to a wrist of an injured arm. Engagement of the mating engagement element onto the engagement element supports the injured arm.