Mechanical knee
Mechanical knees use mechanical locks, friction, or fluids, often relying on body weight for stance control.
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Maximise your Mobility: Benefits of Ottobock MPKs.
Discover the freedom to move and live with Ottobock's advanced microprocessor knees (MPKs). Explore how our innovative technology can enhance your mobility and comfort, empowering you to live life to the fullest.
MPK vs. Non-MPK.
Microprocessor knee
Microprocessor knees use sensors and software to adjust the fluid-based resistance to your gait, allowing easier walking at different speeds, safer descent of ramps and stairs and safe standing.
Stance, Swing and Everything In Between.
All prosthetic knees are designed to emulate two phases of your natural walking pattern. The Ottobock MPKs recreate the whole gait from stance to swing phase in a unique technology that sets Kenevo, C-Leg and Genium X4 apart from any other MPKs on the market.
The Ottobock Difference.
Ottobock launched the first fully microprocessor-controlled knee joint in 1997. Since then we have developed a full MPK portfolio to meet the unique needs of users globally. Whether you're climbing mountains or stairs, commuting to work, navigating around children's toys, or handling heavy wheelbarrows, we have an MPK to suit your specific needs and lifestyle.
Features at a glance
See What's Behind It.
Living a life without limitations means mastering everyday challenges and embracing new experiences with confidence. Trusting your prosthesis completely is essential. Explore how Ottobock MPKs can empower you to live life on your terms.
Pushing for Perfection in Every Step.
Experience seamless walking on changing terrain, at different speeds, with various footwear, and regardless of what you're carrying. Even when you trip or stumble, the built-in Stumble Recovery Plus helps you regain your balance and stay on your feet. And when you stop and take a break, the Intuitive Stance allows you to stand at ease with less compensatory movements.
Resilience in Challenging Conditions.
Get ready for water and dirt! An Ingress Protection (IP) rating refers to a device's ability to withstand dust, water, and other substances. Our IP68 rated C-Leg is protected against fresh water sprinkles and rain showers. And our water- and corrosion-proof IP68 rated Genium X4 can be fully submerged in fresh, salt, or chlorinated water.
Thinking big for bilateral users.
Experience the freedom to live life on your terms with two Ottobock MPKs. Featuring advanced sensor technology, intuitive stance control, stumble recovery, dynamic backward movement, and other cutting-edge features, our prosthetics are designed to support your daily routine and active lifestyle.
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User Experiences
MPKs to Fit Any Lifestyle.
Each Ottobock MPK is designed for a specific activity profile. Hear from real users about how the Genium X4, C-Leg 4 and Kenevo support their day-to-day lives.
The Genium X4 Difference.
Meet Björn, Dave, Marcus, Siglind, Laura, and Caleb — six individuals with diverse backgrounds and passions, all empowered by the new Genium X4.
The C-Leg Difference.
Meet Shima and Chance, enjoying the freedom of movement, the nature and their hobbies. Supported by their C-Leg, they can live their lives on their own terms.
The Kenevo Difference.
Meet Robert and Guenter, both of whom reclaimed their lives after their amputation. Supported by their Kenevo they were able to reclaim their mobility and independence.
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Proven MPK Technology
Clinical Evidence.
Clinical Research Drives Everything We Do.
Every Ottobock microprocessor knee is supported by the highest clinical data. Our MPKs are extensively tested on different types of terrain, slopes, stairs, ramps, and hills. They're tested for safety, mobility levels, efficiency, ease of use, preference, satisfaction, and more. With dozens of top-quality studies at the heart of your mobility, you can truly trust your MPK to meet your unique needs as you move through life.
Answers to common MPK questions.
It depends on your amputation level, the condition of your residual limb, and your overall physical fitness. Fortunately, Ottobock offers microprocessor knee options to suit not only different activity levels but also individual safety needs. For example, our integrated Stumble Recovery technology detects when you stumble and adapts to help you catch yourself before you fall. So, whether you're a unilateral or bilateral user, Ottobock MPKs can support you in everyday situations. In any case, you'll need to work closely with your physiotherapist as you train to build up the muscles necessary to support your microprocessor-controlled knee, and with your prosthetist to set up a trial to determine which solution fits you best.
While the IP68 rated C-Leg is safe for occasional use in freshwater — meaning it can withstand everyday splashes, such as walking in the rain or near sprinklers of fresh water — only the Genium X4 is fully waterproof and corrosion-resistant. The Genium X4 can be fully submerged in fresh, salt, or chlorinated water and even withstand strong jets of water.
The Genium X4 and C-Leg 4 prostheses all offer MyModes — settings that can be saved in your prosthetic knee joint in addition to the basic mode to support your favourite and/or most frequent activities. You'll work with your prosthetist to determine and program the values you want into the joint software. You can then switch between the settings as often as you want using the Cockpit app on your iOS or Android smartphone.
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