Rotatable Finger Support for Smartphone Ergonomic Strain
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Solution Overview
Problem
Prolonged use of smartphones for text input, relying on touch screen technology, often results in medical damage to the pinky finger due to the weight and ergonomic strain, as users frequently hold the device with their thumb and fingers, leading to potential severe injuries.
Innovation Solution
A finger support apparatus that plugs into the bottom edge of a smartphone, featuring a rotatable body portion ergonomically designed to support the pinky finger, with a mounting portion that inserts into a port and a keychain for storage and transport, allowing adjustable orientation for user comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a smartphone is held in one hand with the pinky finger supporting the device, then the device can be conveniently operated with one hand, but the pinky finger suffers from ergonomic strain and potential medical damage due to the device weight
Solution Approach 1:
The finger support apparatus acts as a counterweight mechanism by providing an external structural support that extends from the smartphone. This support structure bears part of the device weight, creating a counterbalancing force that reduces the load on the pinky finger while maintaining one-handed operation capability.
Solution Approach 2:
The finger support apparatus serves as an intermediary element between the smartphone and the user's pinky finger. Instead of the finger directly supporting the entire device weight, the intermediary support structure distributes and transfers the load, reducing harmful ergonomic strain on the finger.
2Object-affected harmful factors
If a finger support apparatus is added to the smartphone, then ergonomic strain on the pinky finger is reduced, but the device complexity increases due to the additional accessory component
Solution Approach 1:
The finger support apparatus is designed as a separate, modular accessory that can be independently attached to the smartphone. This segmentation allows the ergonomic support function to be added without fundamentally redesigning the smartphone structure, thereby limiting the increase in overall device complexity.
Solution Approach 2:
The finger support apparatus is designed with universal compatibility features, such as standard attachment mechanisms that can work with different smartphone models. This multi-functionality approach allows a single accessory design to serve multiple devices, reducing the complexity burden on any single device-integration scenario.
Data Source
AI summary
A finger support apparatus for supporting a pinky finger during use of a smart phone includes a mounting portion configured to plug in or otherwise be inserted into a port of a smart phone case, the port being positioned along a bottom edge of the case. The finger support apparatus includes a body portion rotatably coupled to the mounting portion so as to be rotatably movable to an orientation desired by a user, i.e. to be optimally positioned depending on a user's preference in how the smart phone is held. The body portion may include a curved or ergonomic configuration to enhance grip of a user's finger and may have a tactile surface.