Porous Body Bag with Collapsible Ring for Underwater Recovery
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Solution Overview
Problem
Current body bags are difficult to use underwater due to challenges in opening, closing, and draining, which complicates the recovery of a deceased person from water, as they are not designed to handle water effectively and are cumbersome.
Innovation Solution
A body bag made of porous material with a collapsible ring mechanism that allows easy opening and closing, and features handles for handling, while preventing water absorption and concealing the contents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a body bag is made of non-porous material to prevent water absorption, then water resistance is improved, but the bag becomes heavier and more difficult to handle when filled with water
Solution Approach 1:
The body bag is made of porous material that allows water to pass through freely, preventing water retention and minimizing added weight. The porous structure enables water drainage while the material remains water-resistant to the touch, solving the contradiction between water absorption prevention and weight reduction.
2Reliability
If a body bag uses a zipper fastener to close the bag, then sealing capability is improved, but the difficulty of operation in water increases
Solution Approach 1:
The zipper mechanism is completely removed from the body bag design. Instead, the bag uses a simple drawstring closure system that can be easily operated with one hand even when wet, eliminating the complexity of zippers while maintaining adequate sealing capability through the drawstring and toggle mechanism.
3Reliability
If a body bag is designed to be fully sealed to protect contents, then protection capability is improved, but the ability to drain water is reduced
Solution Approach 1:
The body bag employs different material properties in different locations: the main body uses porous material for water drainage, while the closure area uses a drawstring mechanism that can be tightened to provide localized sealing when needed. This allows the bag to both drain water effectively and protect contents when required.
4Loss of information
If a body bag is made opaque to conceal contents, then privacy protection is improved, but the ability to verify contents without opening is reduced
Solution Approach 1:
The body bag includes a transparent or translucent panel that acts as an intermediary, allowing visual verification of contents without compromising the overall opacity and privacy protection. This panel can be positioned at the closure end, enabling diverts to confirm proper placement while maintaining dignity and privacy throughout the rest of the bag.
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 positioning, insertion, and removal of a body from water, reducing weight and emotional trauma by allowing water drainage and concealing the contents, making the recovery process more manageable and efficient.
Implementation Method 1
the material thereof being porous to water, incapable absorbing or containing water
Data Source
AI summary
A body bag is usually rectangular and has an open end, with the other sides being closed and secured, the material thereof being porous to water, being incapable absorbing or containing water, while preventing viewing of any contents therein. The body bag of this invention is formed of a porous material, which prevents viewing of the body contained therein, while permitting water to pass therethrough. The material may be plastic or fiber.