Modular Handheld Joint Force Sensor With Interchangeable Adapters
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Solution Overview
Problem
Current handheld devices for measuring joint force are not user-friendly, complex, and limited in usability, making them difficult for practitioners and athletes to use effectively.
Innovation Solution
A portable handheld device with a detachable force measuring body and accessory, allowing for adaptable use on different body parts and with various force measurement techniques, featuring a secure and ergonomic design with interchangeable components for enhanced usability and accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If current handheld devices use fixed integrated components, then structural simplicity is maintained, but adaptability to different body parts and measurement techniques is limited
Solution Approach 1:
The device is divided into separate modular components: a base unit and interchangeable adapters. Each adapter is designed for specific body parts (e.g., wrist adapter, ankle adapter), allowing the core measurement unit to remain simple while gaining versatility through component segmentation.
Solution Approach 2:
The base unit is designed as a universal platform that can work with multiple types of adapters. This multi-functional design allows a single core device to serve multiple measurement purposes across different body parts, improving adaptability without proportionally increasing overall device complexity.
2Ease of operation
If current handheld devices use fixed integrated components, then manufacturing simplicity is maintained, but ease of operation and user-friendliness deteriorates
Solution Approach 1:
The device transitions from a static fixed-structure design to a dynamic reconfigurable system. Users can easily attach and detach different adapters based on measurement needs, making the device adaptable and user-friendly while maintaining a relatively simple base structure.
3Adaptability or versatility
If current handheld devices use fixed components, then cleaning simplicity is maintained, but adaptability to different users and techniques deteriorates
Solution Approach 1:
By segmenting the device into removable adapters and a base unit, each component can be independently cleaned and maintained. This segmentation enables easy cleaning of contact surfaces while allowing the system to adapt to different users and measurement techniques through adapter interchangeability.
Data Source
AI summary
A portable handheld device for measuring the force of a joint of a person of interest, POI, the device including a force measuring body, enclosed in a housing, having at least one connector arranged on a side, called upper side, of the body for removably attaching to the body an accessory provided to be pressed towards the top side during for measurement; and a cup shaped bottom case having a bottom surface and an open side opposite to the bottom surface, for removably receiving the body with the upper side of the body positioned on the open side, and provided to be in contact with a part of a body of the POI during force measurement.