C-Leg: Trusted for good reason.
Since 1997, one microprocessor knee technology has set the standard for every other available option. And now, with the newest C-Leg 4, our signature knee is raising the bar even higher.
It’s the one patented technology that empowers you with the proven performance you need to live the healthy, active life you want. C-Leg adapts to your unique gait pattern and walking speeds, so you can keep your focus where it matters — not on your next step, but on where you want it to take you.
It’s the world’s most studied prosthetic device. Full stop.
Up to 90%
of C-Leg users prefer it to their previous mechanical prosthesis*
of continuous microprocessor knee development and user input have led to the new C-Leg 4.
fittings have helped more users regain their mobility than any other microprocessor knee.
Patricia, Office Assistant
With C-Leg, I’m living again - traveling, working, taking care of my home and family. I feel good!
Royal, Estate Agent
With C-Leg, I’ve started a new chapter in my life. I used to be shy about my prosthetic leg, but now I feel strong and confident.
Learn why more people choose C-Leg than any other microprocessor knee.
C-Leg has changed the lives of thousands of people just like you — and many of them have shared their stories with Ottobock. Discover how our technology has empowered them to achieve the life they want.
The C-Leg has improved my life tremendously.
After losing his leg in a motorcycle accident, Brandon recovered from the traumatic experience with the support of his family, friends, and fraternity brothers. He went on to found The Mind Clothing, a fashion brand that harnesses his unwaveringly positive spirit.
Discover how C-Leg 4 supports your active day-to-day life.
With its innovative design and exciting new features, C-Leg 4 provides a highly personalized user experience that helps you move more easily through your day and stay focused on what matters most to you.
New color option
Many updates to our signature C-Leg Microprocessor Knee are based on feedback we received directly from users. That’s why you can now get the C-Leg 4 in the original lighter Desert Pearl color as well as a new darker shade, Midnight Shadow.
Get a closer look
See some of the new features of the updated C-Leg 4 microprocessor knee in detail.
FAQ C-Leg 4
See if C-Leg 4 is right for you.
- Reach out to request a free trial. There’s no commitment needed to try out C-Leg!
- We’ll get in touch to schedule a personal consultation with an expert prosthetist.
- During your trial, your prosthetist will determine if C-Leg meets your needs.
*Kannenberg, A., Zacharias, B., & Pröbsting, E. (2014). Benefits of microprocessorcontrolled prosthetic knees to limited community ambulators: systematic review. Journal of Rehabilitation Research and Development. 51(10), 1469-96.
Orendurff, Michael S.; Segal, Ava D.; Klute, Glenn K.; McDowell, Martin L.; Pecoraro, Janice A.; Czerniecki, Joseph M. (2006): Gait efficiency using the C-Leg. In: Journal of rehabilitation research and development 43 (2), S. 239–246.
Hafner, Brian J.; Willingham, Laura L.; Buell, Noelle C.; Allyn, Katheryn J.; Smith, Douglas G. (2007): Evaluation of function, performance, and preference as transfemoral amputees transition from mechanical to microprocessor control of the prosthetic knee. In: Archives of physical medicine and rehabilitation 88 (2), S. 207–217. DOI: 10.1016/j.apmr.2006.10.030.