A legacy of proven performance

Celebrating 25 years of the C-Leg Microprocessor Knee

Join #25YearsOfCLeg

The spirit of empowerment

You will never walk alone

C-Leg, the signature microprocessor controlled knee joint, started a revolution in prosthetics. Over 100,000 fittings and a quarter century later, it’s still the most popular prosthesis of its kind. See how the C-Leg keeps users moving forward with decades of innovation in every step

Proven performance

It’s the world’s most studied prosthetic device. Full stop.

1997

C-Leg launched as complete microprocessor controlled knee joint (MPK).

100.000 fittings

have now helped more users regain mobility than any other MPK.

up to 90%

of C-Leg users prefer the C-Leg to their previous prosthesis.*

77 scientific publications

support the benefits C-Leg users enjoy every day.

4 updates

later, the new C-Leg reflects ongoing innovation & user input.

63 countries

around the world have received delivery of the C-Leg.

Innovation for everyday life

The celebration continues with the new C-Leg 4

The crowning achievement of these 25 years, the C-Leg 4 update provides new features for even more reliability, next-level personalization, and a better user experience:

A darker color option — Midnight Shadow
Customizable shield insert to reflect users’ individual style
Deep sleep mode to conserve battery
Redesigned charger for one-handed use
Support for sitting down plus more comfort once seated
Assisted descent on ramps and stairs
Improved stance release for smooth, reliable movement
Helpful training function to optimize use
More customized options via MyMode Plus

C-Leg success stories

Learn why more people choose C-Leg than any other microprocessor knee.

In his C-Leg 4, Brandon leans on a rail overlooking water and the city

Brandon, Entrepreneur and Fashion Designer, USA

"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.

Brandon, Entrepreneur and Fashion Designer, USA

"The C-Leg has improved my life tremendously."

Amy stands on her C-Leg 4 as she kicks a heavy bag with her other leg

Amy, Athlete, USA

"C-Leg enabled me to pursue an athletic career."

Born with a limb difference Amy shied away from sports while growing up. But after college that changed. Having the C-Leg helped her to be the best athlete possible. Now she is a competitive adaptive athlete and got recently fitted with a Genium X3.

Dima poses exuberantly in front of an outdoor sculpture in her C-Leg 4

Dima, Interior Design Student, UK

"I describe myself as strong willed."

After losing her leg in a bombing that struck her home in Syria, Dima began her journey to recovery on crutches. She’s come a long way since then, and now enjoys a healthy active lifestyle with her C-Leg 4.

Billy plays the drums while wearing his C-Leg 4 Microprocessor Knee

Billy, leads Steps of Faith Foundation, USA

"With C-Leg, I live a full, active life."

Born with a limb difference Amy shied away from sports while growing up. But after college that changed. HavinAfter losing her leg in a bombing that struck her home in Syria, DiAfter losing his leg to cancer, Billy devoted his life to leading the Steps of Faith Foundation, which helps people without insurance get the prosthesis they need. With his C-Leg, Billy is as active as ever, playing drums and hanging out with his two kids, all while serving the greater amputee community.

Walking in Soho London, Alt text: Rebecca is walking through London with her C-Leg.

Rebecca, Motivator and Model, UK

"I want to do something positive with my life."

As a kid, Rebecca tried to hide her limb difference. But as her awareness of other people like her grew, she realized it was ok to embrace being different. She’s always looking to challenge herself and inspire others as she participates in a variety of activities with her C-Leg.

Rebecca, Fashion Student, AT

"I’m still me – just with a special accessory."

Rebecca loves to express creativity in every facet of her life. With the new custom shield insert for the new C-Leg guard and protective cover, Rebecca’s unique style and personality shine through with each step she takes.

Georg relaxes in the grass with three children while wearing his C-Leg 4

Georg, Personal Trainer, AT

"I felt more restricted before the amputation than now."

Georg maintains an unwavering positive attitude toward life. In fact, he believes his amputation has created new possibilities for him, such as realizing his childhood dream of skiing, discovering a passion for the javelin, and becoming a para-athlete. The new C-Leg supports him during sports, daily routines, and everything in between.

Royal, Estate Agent, USA

"I started a new chapter in my life."

Born with a shorter leg, Royal got amputated at 9 years old. She started to use C-Leg a few years ago and feels that she walks now with more ease.

Join us

Let’s celebrate #25YearsOfCLeg together

Join us in celebrating this special occasion on social media

Take a picture or video of your favorite C-Leg move
Share it on your social media profile and use the hashtag #25YearsOfCLeg
Follow @ottobockus_ca and mention us in your post.

Or share your C-Leg story directly with us by using the contact form:

Press kit

Press Kit 25 Years of C-Leg

Looking for press releases, photos, videos, and more to use in your publication? We’ve got you covered!

Visit the Press Corner

Since 1997

C-Leg – The Signature Microprocessor Controlled Knee Joint

Since 1997, one microprocessor knee technology has set the standard for every other available option. It’s the one patented technology that empowers humans with the proven performance they need to live the healthy, active life they 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.

*Kannenberg, A., Zacharias, B., & Pröbsting, E. (2014). Benefits of microprocessor-controlled prosthetic knees to limited community ambulators: systematic review. Journal of Rehabilitation Research and Development, 51(10), 1469-96.