Guiding Walker With Detachable Perimeter Guider
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Solution Overview
Problem
Existing walkers do not effectively prevent individuals with physical challenges from overstepping, tripping, or losing balance, leading to instability and increased energy expenditure while moving.
Innovation Solution
A guiding walker with adjustable features and a detachable guider system that restricts foot movement within the walker's perimeter, ensuring feet move in the same direction as the walker, providing stability and control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If existing walkers are used without foot guidance mechanisms, then the device complexity is low, but the user stability and safety deteriorate due to overstepping and tripping
Solution Approach 1:
The walker is divided into functional segments: the main walker body and the detachable guider assembly. The guider itself is segmented into side walls forming a perimeter and a foot guide component. This segmentation allows the stability-enhancing guider to be added only when needed, rather than making the entire walker complex by default.
Solution Approach 2:
The foot guide component acts as an intermediary element between the user's feet and the ground. It mediates the interaction by providing a physical boundary that guides foot placement, preventing overstepping and tripping without requiring complex active control systems.
2Reliability
If walkers without foot boundary restrictions are used, then the ease of operation is high, but the user safety and control worsen due to loss of balance
Solution Approach 1:
The guider pre-establishes the permissible foot movement perimeter before the user takes each step. By having the boundary already in place, the user doesn't need to consciously calculate safe step boundaries, as the physical structure of the guider has already defined the safe zone.
Solution Approach 2:
The guider provides localized guidance only at the foot level where it is most needed for safety, while leaving the rest of the walker simple and easy to operate. The side walls create local boundaries at critical points without restricting overall walker maneuverability.
3Use of energy by moving object
If no foot guidance is provided in existing walkers, then the device complexity remains low, but the energy expenditure by users increases due to corrective movements
Solution Approach 1:
The guider is designed to be self-aligning and self-regulating. As the user moves forward, the foot guide component naturally maintains its position relative to the walker frame, automatically guiding feet without requiring active control or additional energy input from the user to maintain proper alignment.
Solution Approach 2:
The guider accommodates dynamic movement by allowing the user to push off against the side walls during the propulsive phase of walking, then naturally retracting as the foot moves forward. This dynamic interaction reduces energy expenditure compared to rigid, fixed guidance systems.
4Manufacturing precision
If walkers without perimeter boundaries are used, then the manufacturing precision requirements are low, but the user control and stability deteriorate
Solution Approach 1:
The guider with its perimeter boundaries is a separate, modular component that can be manufactured independently with standard precision tolerances. This segmentation allows the boundary-defining elements to be produced using conventional manufacturing methods without requiring ultra-precise fabrication of the entire walker assembly.
Data Source
AI summary
An apparatus including a walker and a guider attached to the walker. The guider has three sides. The first side of the three sides attaches to a front of the walker. The second side of the three sides attaches to a first side of the walker. The third side of the three sides attaches to a second side of the walker.


