Bed Step Stool with Perpendicular Guardrails for Unobstructed Entry
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Seniors and individuals with limited mobility face challenges when entering and exiting bathtubs due to high walls and slippery surfaces, and existing bed rails are not portable or flexible, limiting their mobility and safety.
Innovation Solution
A bathtub step stool with adjustable, perpendicular guardrails and a step assembly that allows users to safely enter and exit the bathtub by providing a stable and unobstructed pathway, featuring motion-detecting lighting, non-slip surfaces, and adjustable height for different user needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional bed rails are used, then fall prevention is improved, but portability and flexibility deteriorate because they are attached to the bed
Solution Approach 1:
The device is divided into separate modular components: a step stool with integrated guardrails that can be detached and relocated. This segmentation allows the fall prevention system to be moved between different locations (bed, bathtub, chair) while maintaining its protective function, thus resolving the contradiction between reliability and portability.
Solution Approach 2:
The step stool with guardrails is designed as a multi-functional device that can serve multiple purposes: providing step assistance for elevation changes, offering guardrail protection for fall prevention, and adapting to different locations (bed, bathtub, chair). This universality allows one device to replace multiple specialized devices, improving both portability and versatility.
2Reliability
If high bathtub walls are maintained, then water containment is improved, but ease of entry and exit deteriorates for seniors and individuals with limited mobility
Solution Approach 1:
The step stool acts as an intermediary device between the bathroom floor and the bathtub interior. It provides a intermediate elevation level that reduces the height differential, making entry and exit easier while the bathtub walls remain intact for water containment. The guardrails provide additional support during the transition.
Solution Approach 2:
The step stool with adjustable guardrails creates a dynamic entry system that adapts to user needs. The guardrails can be adjusted or positioned to provide optimal support during entry/exit, while maintaining the static high walls for water containment when not in use.
3Reliability
If perpendicular guardrails are added to the step stool, then safety during entry and exit is improved, but device complexity increases
Solution Approach 1:
The guardrails are merged with the step stool structure as an integrated unit rather than separate components. This combination reduces the number of separate parts and simplifies the overall device while maintaining the safety function. The perpendicular orientation of guardrails is built into the step stool design.
Solution Approach 2:
The step stool with integrated guardrails serves multiple functions in a single device: providing step elevation, offering lateral support through guardrails, and ensuring safety during entry/exit. This multi-functionality reduces the need for multiple separate devices, effectively managing complexity while improving safety.
Data Source
AI summary
A bed step stool for assisting a user into and out of bed comprises a first support to be disposed closer to a head of the bed; a second support to be disposed closer to a foot of the bed; a step assembly supported between the first support and the second support; a ramp coupled to the step assembly; the step assembly to enable the user to step thereon for assisting the user into and out of the bed, wherein the first support and the second support define an unobstructed pathway for entry and exit with respect to the bed and the bed step stool that is perpendicular with respect to the sides of the bed whereby the user goes between the first support and the second support, up the ramp, onto the step assembly, and off the step assembly without any obstruction.