Modular Rehabilitation Device for Limb Exercise
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Solution Overview
Problem
Existing rehabilitation exercise devices for upper and lower limbs are complex, costly, and difficult to move, making them inaccessible and inconvenient for elderly or rehabilitation patients with weak muscles, who need to perform joint exercises to prevent stiffness and pain.
Innovation Solution
A simplified rehabilitation exercise device with adjustable mounting angles and a drive module that allows users to easily position and adjust the device for upper or lower limb exercises, featuring a base plate, mounting plate, and link mechanism for horizontal to vertical motion conversion, enabling users to perform exercises resembling normal motion without the need for complex installation or transportation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a complex robotic shoulder apparatus is used for passive rehabilitation, then rehabilitation effectiveness is improved, but device complexity and cost increase
Solution Approach 1:
The device is divided into separate functional modules: a base unit with drive mechanism, and multiple adjustable support units (arm support, leg support, etc.) that can be independently configured. This segmentation allows the complex rehabilitation function to be achieved through simple, modular components rather than a monolithic complex structure.
Solution Approach 2:
The base unit with the drive mechanism serves multiple functions by working with different support units. The same base unit can配合 arm support for upper limb rehabilitation or leg support for lower limb rehabilitation, eliminating the need for separate specialized devices for each body part.
2Reliability
If a fixed-location rehabilitation device is installed, then rehabilitation function is provided, but user accessibility decreases due to installation cost and immobility
Solution Approach 1:
The device transitions from a fixed installation to a dynamic, movable configuration. The base unit can be easily relocated, and the support units can be adjusted to different positions and angles, allowing the device to adapt to various user environments and needs without permanent installation.
Solution Approach 2:
The device is designed to be easily set up and adjusted by users themselves without requiring professional installation. The adjustable support units can be manually positioned, and the drive mechanism can be simply connected, enabling users to deploy the device independently in their own environments.
3Adaptability or versatility
If multiple adjustable parameters are provided for different limb conditions, then rehabilitation adaptability is improved, but device complexity increases
Solution Approach 1:
Adjustability is segmented into independent parameters for different support units (arm support angle, leg support angle, support position). Each support unit has its own simple adjustment mechanism rather than a single complex centralized control system, making the overall device more adaptable without proportionally increasing complexity.
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 device allows for effective and convenient rehabilitation exercises by simplifying the structure, reducing costs, and enabling easy movement and positioning, thereby facilitating regular joint exercises for patients with weak muscles, helping to prevent joint deformity and pain.
Implementation Method 1
a drive module selectively mounted on any one of the pair of first hinges and the pair of second hinges, and configured to pivot the first support or the second support
Implementation Method 2
a first hinge or the second hinge has a rotary shaft hole passing through the first hinge or the second hinge toward the drive shaft of the drive module
Data Source
AI summary
Proposed is a rehabilitation exercise device for upper and lower limbs. The rehabilitation exercise device is characterized by including: a first support supporting a user's hand or foot; a second support supporting a user's forearm or calf; a pair of first hinges rotatably connecting the first support and the second support to each other; a third support supporting a user's upper arm or thigh; a pair of second hinges rotatably connecting the second support and the third support to each other; and a drive module selectively mounted on any one of the pair of first hinges and the pair of second hinges, and configured to pivot the first support or the second support.