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i-Limb® Ultra

i-Limb® Ultra


An externally powered, multi-articulating prosthetic hand with five individually powered digits and powered thumb rotation, with manual override.

  • Individually motorized digits and thumb with compliant grip and stall out ability
  • Powered thumb rotation, with manual override
  • Faster – With our speed boost feature, digit speed can be increased by up to 30%
  • App control provides instant access to quick grips™ at the touch of an icon. Muscle control uses specific muscle signals called triggers to instruct the hand to activate a specific grip
  • 18 different grip options available
  • The i-Limb Wrist is available with all i-Limb hands allowing for rotational control
  • vari-grip™ feature for enhanced grip strength
  • auto-grasp™ – anti drop safety feature for added reassurance
  • Biosim™ and my i-limb™ software
  • Available in 4 sizes – extra small, small, medium and large
  • Multiple covering options available to suit individual lifestyles
  • Titanium digits - titanium strengthened digits which increase the maximum carry load by 50%. Available in i-Limb hand sizes S/M/L

i-Limb Wrist:

  • Direct rotation via SMART control and traditional muscle control
  • Set up and calibration via Biosim on iPad.
  • Expansion ring for assembly and disassembly into prosthesis.
  • Utilises digital electrodes for optimal control.


Device Weight
Extra SmallSmallMedium/Large
QWD 472g/1.04lbs 512g/1.13lbs 528g/1.16lbs
WD 432g/0.95lbs 472g/1.04lbs 488g/1.08lbs
Flexion Wrist 572g/1.26lbs 612g/1.35lbs 628g/1.38lbs
Friction Wrist 467g/1.03lbs 507g/1.12lbs 523g/1.15lbs
Technical Information
Voltage 7.4 V (nominal)
Max Current 5 A
Battery Capacity Rechargeable lithium polymer; 7.4 V (nominal); 2000 mAh capacity; 1300 mAh capacity
Max. hand load limit (static limit) 40kg/88lbs (Extra Small) 90kg/198lb (Small/Medium/Large)
Finger carry load (static limit) 20kg/44lbs (Extra Small) 32kg/71Ibs (Small/Medium/Large)
Time from full open to full close 0.8 seconds