Multi-digit device for hand exercises

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Solution Overview

Problem

Current devices for preventing repetitive stress injuries in the upper extremities, such as those caused by keyboarding and gaming, fail to effectively strengthen hand musculature and provide adequate massage, particularly for irregularly shaped areas like the wrists and forearms, due to inadequate design and lack of bridges connecting finger holes.

Innovation Solution

A tri-finger exercise device with sinusoidal inner and outer ridges on rings and bridges, designed to fit snugly around fingers and thumbs, providing massage while minimizing pressure on nerves and tendons, and formed from malleable materials that maintain functionality after deformation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If hand exercisers with simple holes are used, then the device structure is simple, but the device cannot effectively massage irregular shaped areas like wrists and forearms

Engineering Contradiction:
Improvedevice structure simplicityVSAvoidmassage effectiveness on irregular areas
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The device divides the hand exerciser into multiple segments including bridges connecting the holes, with each bridge containing raised ridges that can be independently formed. This segmentation allows complex massage surfaces to be created through modular construction, resolving the contradiction between structural simplicity and massage effectiveness.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The device applies different surface qualities to different locations: the bridges contain raised ridges with specific patterns (circles, ovals, squares, rectangles) that provide targeted massage to specific areas of the hand and fingers, while the holes accommodate individual digits. This local differentiation enables effective massage of irregular areas without requiring complete redesign of the entire device.

Inventive Principle:
Principle #3Local quality

2Adaptability or versatility

If bridges with complex ridge patterns are added, then massage effectiveness is improved, but manufacturing complexity increases

Engineering Contradiction:
Improvemassage effectivenessVSAvoidbridge structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The device uses parameter changes in the ridge structures (varying shapes including circles, ovals, squares, and rectangles) to achieve diverse massage effects. By modifying geometric parameters rather than creating entirely different structural components, the device achieves high adaptability while maintaining manufacturing feasibility through standardized production techniques.

Inventive Principle:
Principle #35Parameter changes

3Adaptability or versatility

If the device provides strong massage pressure, then therapeutic effect is improved, but pressure on nerves and tendons increases

Engineering Contradiction:
Improvemassage therapeutic effectVSAvoidpressure on nerves and tendons
Core Design Contradiction:
Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The raised ridges on the bridges are designed to contact specific areas of the fingers and hands, concentrating massage pressure on muscular areas while avoiding nerves and tendons. The varying ridge shapes (circles, ovals, squares, rectangles) create localized massage zones that provide therapeutic effect without harmful pressure, resolving the contradiction between therapeutic effectiveness and safety.

Inventive Principle:
Principle #3Local quality

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 effectively strengthens finger and thumb muscles, provides massage, and is suitable for gamers and eSports athletes, addressing the need for devices that can be worn and used to alleviate discomfort by enhancing hand strength and reducing repetitive stress injuries.

Implementation Method 1

the tri-finger exercise device is formed with malleable type of material that returns to its form as well as maintains its functional and mechanical characteristics after deformation

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentEP3576851B1Multi-digit device for hand exercises
Publication Date: 2021.12.22 HARRISON LEGACY 301 LLC
  • EP3576851B1 patent drawingFigure 1
  • EP3576851B1 patent drawingFigure 2~3

AI summary

Conditioning devices for gamers and eSports athletes are presented. The devices includes a wrist rest device, a massage sleeve, a hand exercise bracelet, a knuckle bracelet and a tri-finger exercise device. The wrist rest device is configured to provide appropriate warmth to the forearms while gaming, using a keyboard, or any data input device. The massage sleeve is configured to be wrapped around a person's forearm. It includes multiple elevated geometric shapes that are be built into the fabric of the material to provide appropriate pressure along the musculature of the wrist and forearm. The hand exercise bracelet, the knuckle bracelet and the tri-finger exercise device are configured for increasing the flexion, extension, abduction, adduction and intrinsic muscle strength of fingers, wrists, and forearms especially for individuals who do extensive amounts of keyboarding as well as texting, typing, gaming, and data entry.