Adjustable Field Stretcher With Drawstring Containment
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Solution Overview
Problem
Conventional field stretchers are inadequate for transporting wounded individuals with severe leg injuries or amputations, as they are too large, leading to rolling or sliding off during transport, and require multiple rescuers, which can be dangerous and delay treatment.
Innovation Solution
A compact, adjustable field stretcher with a dual-skinned fabric design and drawstring mechanism that allows for secure containment and ergonomic transport of individuals by a single person, featuring handles positioned for optimal carrying and a loop for upright dragging, preventing rolling or sliding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional field stretchers are used for transporting wounded individuals with severe leg injuries or amputations, then the stretcher provides basic transport capability, but the stretcher is too large causing the subject to roll or slide off during transport
Solution Approach 1:
The stretcher incorporates adjustable length through telescoping sections that can be extended or retracted based on the subject's body length and injury type. This dynamic adjustment allows the stretcher to maintain optimal containment for subjects with severe leg injuries or amputations without being excessively long, preventing rolling or sliding during transport while adapting to different casualty configurations.
Solution Approach 2:
The stretcher design allows modification of key parameters including length, width, and side wall height to match the specific needs of the subject. By changing these parameters, the stretcher can provide appropriate containment for subjects with varying body lengths and injury types, ensuring stability during transport without requiring a fixed oversized design.
2Productivity
If conventional field stretchers are used for transporting wounded individuals, then the stretcher provides basic transport capability, but multiple rescuers are required which can be dangerous and delay treatment
Solution Approach 1:
The stretcher incorporates integrated lifting mechanisms and ergonomic handle placements that distribute weight and provide mechanical advantage, enabling a single rescuer to safely lift and transport the subject without excessive physical strain. This counterbalances the weight of the subject-stretcher combination, making single-person operation feasible and reducing response time.
Solution Approach 2:
The stretcher is designed with self-contained features including integrated carrying handles, lifting aids, and compact folding mechanisms that enable a single rescuer to independently operate the device for subject acquisition, transport, and storage without requiring multiple personnel or complex coordination.
3Weight of moving object
If conventional field stretchers are used, then basic transport is possible, but the stretcher is not compact requiring multiple rescuers to carry
Solution Approach 1:
The stretcher employs a telescoping design where sections nest within each other when collapsed, significantly reducing the overall volume and length of the device during storage and transport. This nested configuration allows the stretcher to fit in compact spaces and be easily carried by a single rescuer while maintaining full functionality when deployed.
Solution Approach 2:
The stretcher transitions between compact and expanded states through telescoping sections that can be quickly extended or retracted. This dynamic transformation allows the device to occupy minimal space during transport while providing full size and functionality when needed for subject containment and carrying.
Data Source
AI summary
A field stretcher comprising a subject transporting portion, the subject transporting portion comprising a region capable of forming a subject retaining compartment for retaining a subject positioned within the subject transporting portion, is disclosed and described. A method of transporting a subject generally horizontally, is provided, the method comprising providing a field stretcher comprising a subject transporting portion, positioning a subject in the subject transporting portion, and drawing at least a portion of the subject transporting portion about at least a portion of the subject.