I-LIMB Hand

The i-LIMB Hand is a sophisticated prosthetic device designed to replicate the function and appearance of a human hand. Developed by Touch Bionics, a company specializing in advanced upper-limb prosthetics, the i-LIMB Hand was first introduced in 2007 and has since undergone several iterations to improve its functionality and user experience.

Design and Functionality

The i-LIMB Hand is notable for its use of individual motors in each finger, allowing for a wide range of movements and grips. This design enables the hand to perform complex tasks that require fine motor skills, such as typing on a keyboard or holding delicate objects.

Components

• Motors: Each finger of the i-LIMB Hand is powered by its own motor, providing independent movement and control.
• Sensors: The hand is equipped with sensors that detect muscle signals from the user's residual limb, allowing for intuitive control of the prosthetic.
• Materials: The hand is constructed from lightweight, durable materials to ensure comfort and longevity.

Control System

The i-LIMB Hand uses a myoelectric control system, which interprets electrical signals generated by the user's muscles. These signals are translated into movements of the prosthetic hand, enabling the user to perform a variety of tasks with precision.

Features

• Multiple Grip Patterns: The i-LIMB Hand can perform various grip patterns, such as power grip, pinch grip, and lateral grip, to accommodate different tasks.
• Customizable Settings: Users can customize the hand's settings through a mobile app, allowing for personalized control and functionality.
• Aesthetic Options: The hand is available in different skin tones and can be fitted with cosmetic covers to enhance its appearance.

Applications

The i-LIMB Hand is used by individuals with upper-limb amputations or congenital limb differences. It is suitable for a wide range of activities, from daily living tasks to occupational and recreational activities.

Development and Impact

The development of the i-LIMB Hand marked a significant advancement in prosthetic technology. Its introduction provided users with a more natural and functional prosthetic option, improving their quality of life and ability to perform everyday tasks.

Challenges and Future Directions

While the i-LIMB Hand represents a major step forward in prosthetic technology, challenges remain in terms of cost, accessibility, and further improving the naturalness of movement. Future developments may focus on enhancing sensory feedback and reducing the weight of the device.

Also see

• Prosthetic limb
• Myoelectric prosthesis
• Touch Bionics
• Bionic hand