Telescoping Traction Splint for Portable Limb Stabilization
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Solution Overview
Problem
Conventional traction splints face challenges in providing adjustable and portable solutions for stabilizing injured limbs, particularly in pre-hospital settings, as they often require complex assembly and may not accommodate varying limb sizes and orientations effectively.
Innovation Solution
A portable traction splint design featuring telescoping members with adjustable mechanisms, including clamps and spring-biased plungers, that allow for reversible extension and collapse, enabling securement to different limb sizes and orientations through a system of straps and a pulley mechanism for applying traction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If conventional traction splints use fixed-length rigid supports, then structural stability is improved, but adaptability to varying limb sizes and orientations deteriorates
Solution Approach 1:
The patent employs telescoping members that can dynamically adjust their length to match different limb sizes. The inner telescoping member slides within the outer telescoping member, allowing the support structure to extend or retract as needed. This dynamic adjustment capability enables the same splint to adapt to various limb dimensions while maintaining structural stability through locked positions.
Solution Approach 2:
The support structure is divided into multiple telescoping segments (inner and outer members) that can independently adjust. This segmentation allows each portion to be optimized for specific functions while collectively providing adaptability to different limb sizes and orientations, resolving the contradiction between fixed structure and variable adaptation.
2Adaptability or versatility
If conventional traction splints use multiple adjustable components, then adaptability to varying limb sizes is improved, but device complexity and assembly difficulty worsen
Solution Approach 1:
The patent implements a nested telescoping structure where the inner telescoping member is housed within the outer telescoping member. This nesting arrangement consolidates multiple adjustment components into a compact integrated unit, reducing overall device complexity while maintaining adaptability. The nested design allows for straightforward assembly by simply extending the inner member from the outer member without requiring complex fastening mechanisms.
3Reliability
If conventional traction splints require complex assembly procedures, then stabilization effectiveness is improved, but ease of operation in pre-hospital settings deteriorates
Solution Approach 1:
The telescoping members are pre-configured with locking mechanisms and alignment features that enable quick setup. The inner telescoping member can be preliminarily positioned and locked without requiring complex assembly steps. This preliminary configuration allows first responders to rapidly adapt the splint to the patient's limb size while ensuring effective stabilization, improving ease of operation in time-critical pre-hospital environments.
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 design enhances portability, ease of use, and adaptability to various limb sizes and orientations, providing effective stabilization and traction while minimizing assembly complexity, thus improving pre-hospital care capabilities.
Implementation Method 1
spring-biased plungers
Implementation Method 2
a pulley mechanism for applying traction
Data Source
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AI summary
Portable fraction splints and methods of use in applying fraction to an injured patient's limb, or limbs, are disclosed. The disclosed traction splints may be extendable from a collapsed configuration adapted for transportation and storage towards an extended configuration adapted for applying traction to an injured patient, using telescoping members. One or more straps may be provided for securing the traction splint to the patient. One or more of such straps may include a tourniquet portion and/or may be configured to be oriented in different directions relative to the telescoping members. The disclosed traction splints may include a traction mechanism configured to utilize a mechanical advantage in applying traction to the patient's limb. Such traction mechanisms may have a traction cord path that utilizes the same hardware as an adjustment mechanism configured to allow or prevent one of the telescoping members from moving with respect to another.