Body-Driven Digit Prosthesis


Water Resistant
Control Strategy
Control Action
Voluntary opening
Nylon 12, Stainless Steel 316,
Silicone, Titanium
Bespoke to patient

Key Features

The MCPDriver is a mechanical finger driven by the user’s residual digit strength and motion, to mimic anatomical gestures of the middle and distal phalanges. Custom-fabricated to within millimetres of the individual’s residual fingers, the device follows the natural movement of the finger to regain fine dexterity.

Who is this suitable for?
This body-driven device is suitable for patients with a finger absence between the proximal interphalangeal (PIP) and metacarpophalangeal (MCP) joint. The MCPDriver is constructed using rigid stainless steel linkages which are anchored onto a comfortable backplate system, to allow for the residuum to carry out natural grip patterns whilst maintaining optimal strength.

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Features & Benefits

  • Can be made for multiple finger amputations on one hand, and used in conjunction with the PIPDriver and ThumbDriver
  • Functional force of the device at the fingertips is reflective of the user’s input force
  • Power hook grasp posture effectively transfers load to the suspension around the wrist allowing objects of a substantial weight to be lifted
  • ‘Cage’ structure of the device protects the hypersensitive site of amputation without making physical contact
  • Silicone rubber tip pads mimic the natural fingertip and provide additional grip
  • Available in ten colour coatings
  • Silicone shims in three sizes provided so patients can adjust fit in accordance with volume fluctuations
  • Adjustable harness for optimal comfort
  • Restores multiple movements including pinch, key and cylindrical grasps, as well as grip stability

Technical Information

Materials   Nylon 12, Stainless Steel 316, silicone, titanium
Resistant to   Water, alcohol, acetone, isopropanol, dirt and dust
Heat resistance   < 175°C (347°F)
Force output   ~2/3 input (4-5kg/9-12 lbs)
Ring tensile strength   36kg (80lb)
Warranty   1 year (extended warranty options available)

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