In 1997, the C-Leg® was introduced to the world as a powerful alternative choice to mechanical knees. With more than 60,000 fittings and more than 15 years of practical experience and research, Ottobock has created a family of unmatched microprocessor knees developed to meet the specific needs of people with different lifestyles.
With the family of Ottobock knees, you are able to make informed clinical decisions and deliver a knee chosen specifically for the individual’s level of function, ability, and activities.
|K-Level||K2, low-K3***||K3||K3, K4||K3, K4|
|Stance control||Locked or intuitive stance||Intuitive or manual stance||Intuitive or deliberate stance||Intuitive or deliberate stance|
|Real-time swing control||√||√||√||√|
|Clinically-proven OPG 2.0||√||√|
|Running capacity||Walk to run||Running mode|
|Battery life||Approx. 1 day*||Approx. 2 days*||Approx. 5 days*||Approx. 5 days*|
|Moisture protection||Protected against dripping water with IP 22||Weatherproof with IP 67||Weatherproof with IP 67||Waterproof and fully functional under water with IP 68 + water jets|
|Maximum knee flexion angle||124°||130°||135°||135°|
|Weight limit||275 lbs
|User app available||√||√||√|
|Service requirement||36th month, condition-based**||36th month, condition-based**||24th month||12th and 24th month|
|Training requirement||Online training course or optional one-day classroom training or Cooperative Care appointment for hands-on learning|
|*Daily charging recommended
**Service may occur sooner if the knee reaches specific condition-based thresholds.
***More specifically, for patients who walk with speeds of up to 1.9 mph and up to ½ mile outside the house per day.