Axillary Crutch Structure With Auto-Deploy Legs for Stable Mobility
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Solution Overview
Problem
Existing assistive devices, such as conventional axillary crutches, lack multifunctionality and stability, particularly for frail individuals, failing to provide adequate support during walking and transitioning between standing, sitting, and mobility assistance.
Innovation Solution
A multifunctional axillary crutch with expandable support legs, magnetic adsorption, and telescopic components that convert into a wheelchair and mobile bed, featuring adjustable tilt angles for enhanced stability and support, and a magnetic fixing system for automatic leg deployment and retraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional axillary crutches are used, then the device is simple and easy to operate, but it lacks multifunctionality and stability for frail individuals
Solution Approach 1:
The crutch device integrates multiple functions including walking support, standing support, wheelchair conversion, and mobile bed functionality into a single device. The upper crutch can be folded down to form a seat, and the device can convert between different operational modes to serve diverse needs of frail individuals.
Solution Approach 2:
The crutch is divided into multiple independent components: four expandable support legs, an upper crutch portion, a seat component, and a base. These segments can be independently deployed, folded, or extended to achieve different functional states, enabling the device to adapt between various usage scenarios.
2Reliability
If the crutch provides strong support for frail individuals, then fall prevention is improved, but the device becomes more complex
Solution Approach 1:
The magnetic adsorption mechanism enables the support legs to automatically deploy and lock into position when the crutch is placed on the ground. The magnetic force automatically engages the locking mechanism without requiring manual intervention, providing reliable fall prevention while simplifying the user interface.
Solution Approach 2:
The support legs are pre-configured with magnetic locking mechanisms that automatically engage when the crutch contacts the ground. This preliminary setup ensures that the support structure is immediately activated when needed, providing instant fall prevention without requiring the user to manually adjust or deploy the legs.
3Stability of the object's composition
If the support legs are always deployed for standing, then stability is improved, but the device cannot be compact for transport
Solution Approach 1:
The support legs are designed to be dynamically deployable and retractable. When the crutch needs to provide standing support, the legs expand and lock into position. When transport is needed, the legs can be retracted to minimize the device volume. This dynamic capability allows the device to adapt between stability and compactness requirements.
Solution Approach 2:
The support legs are designed to nest within the crutch structure when retracted. The legs can be stored inside the main crutch body or folded into a compact configuration, significantly reducing the overall device volume for transport while maintaining full functionality when deployed.
4Adaptability or versatility
If the crutch can convert to wheelchair and mobile bed, then versatility is improved, but the device becomes more complex
Solution Approach 1:
The crutch device integrates multiple functions including walking support, standing support, wheelchair conversion, and mobile bed functionality into a single device. The upper crutch can be folded down to form a seat, and the device can convert between different operational modes to serve diverse needs of frail individuals.
Solution Approach 2:
The device merges the functions of a crutch, wheelchair, and mobile bed into a single integrated system. The same structural components serve multiple purposes: the support legs provide both walking support and wheelchair stability, while the upper crutch serves as both a handhold and a seat backrest. This merging reduces the need for multiple separate devices.
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
Provides robust support and prevents falls by automatically deploying legs when needed, offering versatile functionality for standing, sitting, and mobility, enhancing user safety and convenience.
Implementation Method 1
a magnetic adsorption device, a spring buckle device, etc. The magnetic fixing ring 5 is adsorbed onto the rod by magnetic force
Implementation Method 2
a magnetic adsorption device, a spring buckle device, etc.
Implementation Method 3
Pulleys are installed below the four expandable support legs, enabling its wheelchair functionality
Data Source
AI summary
A multifunctional axillary crutch device functions as a crutch, wheelchair, and mobile bed. It resembles a conventional axillary crutch and retains all its functions. Four expandable support legs allow the device to stand when released and locked. When two crutches are standing opposite each other, the upper part of one folds horizontally and buckles onto the other to form a seat. Pulleys on the support legs enable wheelchair use. Above the folding point, all components are telescopic and extendable for use as a mobile bed. A magnetic adsorption system allows automatic leg deployment during emergencies to prevent falls. For frail users, the device can switch to strong support mode, enhancing grip and stability to avoid accidents.