Inflatable mattress bumper system
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Solution Overview
Problem
Conventional bed rails pose safety risks by trapping patients or older adults, leading to injuries and fatalities, and banning them complicates bed access and exit for those who need assistance.
Innovation Solution
Inflatable mattress guards or bumpers with an air pump system that can be adjusted to prevent falls and allow for user mobility and access without sacrificing safety, positioned to create openings at the top and bottom for easy reaching and getting out of bed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional rigid bed rails are used, then patient safety from falling is improved, but patient mobility and comfort deteriorate due to trapping and injury risks
Solution Approach 1:
The patent applies pneumatic principles by using inflatable bumpers made of flexible material that can be inflated to provide gentle guidance and deflated to allow easy passage. The bumpers are filled with air to create a soft, compliant barrier that prevents falls while avoiding the rigidity that causes trapping and injury associated with traditional bed rails.
Solution Approach 2:
The patent changes the physical state and properties of the barrier from rigid (traditional bed rails) to flexible and adjustable (inflatable bumpers). By controlling the inflation level, the bumpers can adapt their firmness and height to balance safety requirements with patient mobility needs, resolving the contradiction between preventing falls and allowing comfortable movement.
2Object-affected harmful factors
If bed rails are banned to improve patient safety, then injury risk is reduced, but bed access and exit difficulty increases
Solution Approach 1:
The patent implements a dynamic system where the bumpers can be inflated or deflated based on operational needs. When patients need to access or exit the bed, the bumpers can be deflated to minimize obstruction. When safety is the priority, they are inflated to provide gentle guidance. This dynamic adjustment resolves the contradiction between reducing injury risk and facilitating easy bed access.
Solution Approach 2:
The pump system operates periodically to inflate and deflate the bumpers as needed, rather than maintaining a constant state. This periodic action allows the system to alternate between providing maximum safety (inflated state) and maximum accessibility (deflated state), resolving the contradiction between injury prevention and ease of operation.
3Reliability
If inflatable bumpers are positioned to maximize safety coverage, then fall prevention is improved, but user mobility and access deteriorates
Solution Approach 1:
The patent applies local quality by positioning bumpers at specific locations along the bed edges rather than continuous coverage. The bumpers are strategically placed in areas where fall risk is highest while leaving gaps that allow patient movement and access. This selective positioning resolves the contradiction between maximizing fall prevention and maintaining user mobility.
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 inflatable mattress guards provide continuous protection from falls while allowing users to access items and exit the bed without deflation, reducing the risk of trapping and improving safety compared to traditional rigid bed rails.
Implementation Method 1
a pump system operatively coupled to the one or more inflatable bumpers to enable adjustment of inflation levels of the one or more inflatable bumpers
Implementation Method 2
one or more inflatable bumpers each positioned along a side edge... to enable adjustment of inflation levels
Data Source
AI summary
A mattress guard with one or more inflatable bumpers to prevent patients or older adults from accidentally rolling out of or falling out of bed, and also to avoid the patients or older adults from being trapped in hard/rigid bed rails. A mattress cover includes a fitted mattress sheet, one or more inflatable bumpers, and an air pump system to inflate and deflate the one or more bumpers. At least one of the bumpers has a length and a position that optimizes safety and allows for common user movements without requiring deflation of the bumper. A dual pump system may include primary pump with higher inflation rate to initially inflate one or more bumpers and a secondary pump with lower inflation rate and/or that is quieter to maintain inflation of the bumper(s). An alert system can provide alerts to relatives or staff if a patient is endangered.