i-Limb
![Close-up of a flesh colored robotic hand system pinching a die between two fingers.](https://cdn.sanity.io/images/7p2whiua/production/49e3fc35e7cad76837ca73187d9c0d4610588da6-2048x1536.jpg?w=900&auto=format)
The i-Limb is a bionic prosthesis designed for hand amputees. It uses sensors placed against the skin to allow users to control functions of their robotic hand naturally, through muscle signals.
- Creator
(Originally developed by Touch Bionics, acquired by Össur in 2016.)
- Year
- 2011
- Country
- United Kingdom 🇬🇧
- Categories
- Features
More videos
Did you know?
Each finger in the i-Limb hand is independently movable with its own motor, and the wrist can include a motor as well.
![A prosthetic hand is covered by realistic skin with fingernails.](https://cdn.sanity.io/images/7p2whiua/production/5e25d82460d972b82fd82fd4d92f7bcb103e5ae6-2048x1536.jpg?w=900&auto=format)
![A man with a prosthetic hand holds a camera with both hands.](https://cdn.sanity.io/images/7p2whiua/production/26a8322baeceb964471a3814408805686a0921db-2048x1536.jpg?w=900&auto=format)
More Images
![A person ties their shoelaces with their hand and prosthetic hand.](https://cdn.sanity.io/images/7p2whiua/production/d95b59cded51a9b6d1e6d5ccfcf01d69367420a3-2048x1536.jpg?w=900&auto=format)
![A man with a realistic looking prosthetic hand is examined by another man.](https://cdn.sanity.io/images/7p2whiua/production/06dc41ae4d047991fafaf5b7ddde01f1fee9fe7e-2048x1536.jpg?w=900&auto=format)
![Close-up of metallic and black joints.](https://cdn.sanity.io/images/7p2whiua/production/ac578a5e012379181156517ce946550cd932188c-2048x1536.jpg?w=900&auto=format)
Specs
- Overview
Equipped with five independently powered fingers. Capable of communicating with a PC via Bluetooth for feature selection and customization.
- Status
Ongoing
- Year
2011
- Website
- Weight
- 0.47 kg
- Sensors
Surface skin electrodes (to detect myoelectric signals from the wearer's muscles)
- Actuators
Five DC motors (one for each finger)
- Degrees of Freedom (DoF)
- 7 (Wrist: 1 DoF; Finger: 1 DoF x 4; Thumb: 2 DoF)
- Materials
Aluminum chassis, high density plastics.
- Compute
DSP unit
- Software
Custom software
- Power
7.4-V 1300-mAh lithium-polymer battery
- Cost
- $100,000 (estimated; actual cost depends on patient)