Spring-Based Traction Tensioning for Patient Transfer Mobility
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Solution Overview
Problem
Existing traction devices using pulleys and weights are cumbersome, limiting patient mobility and unsuitable for emergency situations, and cannot maintain consistent tension during transfers between beds or in the field.
Innovation Solution
A traction tensioning apparatus with a housing, anchor and attachment points, and a biasing member that allows for adjustable and consistent tension application, enabling easy transfer and use in emergency settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If weights and pulleys are used to apply traction force, then a consistent amount of tension can be applied, but the device becomes cumbersome and limits patient mobility
Solution Approach 1:
The patent removes the weights and pulleys from the traction system, extracting the source of consistent force application that caused mobility limitations. Instead, a spring mechanism provides the necessary tension without the cumbersome infrastructure of traditional weight-based systems
Solution Approach 2:
The patent replaces the mechanical weight-and-pulley system with a spring-based tensioning mechanism. This substitution maintains the ability to apply consistent traction force while eliminating the mobility restrictions imposed by traditional mechanical systems
2Force
If weights are used to maintain traction tension, then force can be applied, but the device cannot be easily moved or used in emergency field situations
Solution Approach 1:
The patent employs a dynamic spring mechanism that can be easily adjusted and repositioned, unlike static weight systems. The spring-based design allows the device to be quickly adapted to different locations and patient positions, making it suitable for emergency field situations where conditions change rapidly
Solution Approach 2:
The patent enables easy adjustment of traction parameters through the spring mechanism, allowing rapid modification of tension levels and configuration. This adaptability permits the device to be used in diverse emergency scenarios and different anatomical locations without requiring complex reconfiguration
3Force
If traditional traction devices are used, then traction force can be applied, but transferring patients between beds becomes difficult
Solution Approach 1:
The patent divides the traction system into modular components, with the spring mechanism and attachment points designed as separate, easily reconfigurable elements. This segmentation allows the device to be quickly adjusted and repositioned during patient transfers between beds or treatment locations
Solution Approach 2:
The patent uses a dynamic spring-based system that can be rapidly reconfigured during patient transfers. The spring mechanism allows for quick adjustment of tension and positioning, enabling seamless patient movement between beds without requiring complex disassembly or reconfiguration of heavy weight systems
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
Facilitates easy patient movement between beds and emergency scenarios while maintaining consistent traction force, enhancing safety and effectiveness.
Implementation Method 1
A biasing member is engaged with the attachment point and biases the attachment point in the first direction
Data Source
AI summary
A traction tensioning apparatus includes a housing that has a first end and a second end. An anchor point is mounted to the housing and is attachable to a first tether that is in-line with a traction system and extending away from the housing in a first direction. An urging assembly is engaged with the anchor point. The urging assembly is tension actuated to urge the anchor point toward the second end and releasably actuated to allow the anchor point to move toward the first end. An attachment point is mounted to the housing and is attachable to a second tether in-line with the traction system and extending away from the housing in a second direction. The attachment point is movable in the first and second directions relative to the housing. A biasing member is engaged with the attachment point and biases the attachment point in the first direction.