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Freedom to move, regained independence.

SpryStep® Agilik™ KAFO, the smart, custom-made orthosis that supports your knee, ankle and foot with every step.

Thanks to its microprocessor-controlled smart system, the SpryStep® Agilik™ KAFO orthosis is a non-invasive mobility solution that detects your movements in real time and assists with knee flexion and extension to improve your gait performance1. This allows you to walk more naturally and improve your posture without limiting your movements2,3.

With its dedicated app, you can track your progress and easily share your data with your healthcare professional for personalised monitoring based on real data.

This exclusive technology was developed as part of a cooperative research and development agreement with the National Institutes of Health (NIH, Bethesda, USA).

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Our goal is to help people
Stand Taller and Walk Stronger™

The SpryStep® Agilik™ KAFO smart orthosis moves with the wearer, providing dynamic knee assistance and resistance when needed during a patient’s gait.

  • Walk further and faster (1,2)

    You expend less energy6 , improve your fitness, balance and coordination, and reduce the need for a wheelchair.

  • Regain an active posture (3)

    You exert less force in your movements, which can reduce fatigue9 , joint deterioration10 and the progression of muscle contractures3.

  • Adapt the support to your needs

    Working with a specialised clinician the level of control required will be optimised and can be adapted as needed with changing conditions. The same Agilik component can be used as a child grows.

  • Improve your stride length (7)

    You walk more naturally. Your knee has a greater range of motion, extending better with each step8 and bending more easily while walking2.

  • Share and progress together

    You are never alone; your progress is monitored by a Thuasne®-certified healthcare professional, and the support provided is tailored to your needs throughout your evolution.

  • Facilitate knee extension and flexion (2,7)

    You walk more easily5 and safely thanks to real-time movement detection, and you are assisted in bending and extending your knee.

What if you took the first step towards greater independence?

At Thuasne®, we believe in human support as much as we believe in the performance of our solutions. That's why we have built up a network of experienced professionals around the world. Some of them are healthcare professionals specially trained in the use of the SpryStep® Agilik™ KAFO application to adjust and customise your orthosis. Some of them are specialists who will be able to guide you throughout your journey.  Always attentive to your needs, they provide daily support and offer a solution tailored to your progress and requirements.

They are here to assess your needs, guide you and support you throughout your care journey. Find out who they are and make an appointment directly to get to know them and ask any questions you may have.

Enjoy a free first contact
with our SpryStep® Agilik™ KAFO specialists, wherever you are.

  • FRASER - Your contact in USA

    Thuasne - SpryStep® Agilik™ KAFO specialist

    "Behind every case, there is a life story. Our mission is to listen, understand and support patients so that they can regain their confidence step by step."

    Let's discuss it togetherLet's discuss it together

  • CONOR LUCAS - Your contact in AUSTRALIA

    OPC - Technical Sales Orthotics

    "Each patient progresses at their own pace. Our role is to adjust the treatment to their needs and provide follow-up tailored to every stage of the journey, in line with their progress."

    Let's discuss it togetherLet's discuss it together

  • VILMA - Your contact in SWEDEN - FINLAND - NORWAY - DENMARK

    Thuasne - SpryStep® Agilik™ KAFO specialist

    “We don’t always realize the importance of walking normally until it becomes difficult. Every step forward achieved with the patient, in a long-term relationship, is both a medical and a human victory.”

    Let's discuss it togetherLet's discuss it together

  • SEAN - Your contact in UNITED KINGDOM

    Thuasne - SpryStep® Agilik™ KAFO specialist

    "A device not only changes the body, it also transforms everyday life.
    We work with patients to help them regain their freedom
    of movement."

    Let's discuss it togetherLet's discuss it together

  • BOB - Your contact in NETHERLANDS

    Thuasne - SpryStep® Agilik™ KAFO specialist

    "Every improvement, no matter how small, is a sign of hope.
    It is by valuing these small victories that we build a more humane care pathway."

    Let's discuss it togetherLet's discuss it together

  • ROSHAN PARE - Your contact in NEW ZEALAND

    MoveMe - Clinical Director

    "We are by your side throughout the entire treatment process, from your first appointment to the fitting of your device. We are committed to helping you stay mobile".

    Let's discuss it togetherLet's discuss it together

  • EVELYNE - Your contact in BELGIUM

    Thuasne - SpryStep® Agilik™ KAFO specialist

    "Fitting a device is much more than a technical process:
    it is an encounter, a dialogue and a constant adaptation to the patient's needs."

    Let's discuss it togetherLet's discuss it together

  • RADOSLAV - Your contact in SLOVAKIA

    Thuasne - SpryStep® Agilik™ KAFO specialist

    "Behind every medical device offered to patients, there is a human story: that of a patient regaining their mobility, and a team committed to supporting them day after day."

    Let's discuss it togetherLet's discuss it together

  • MARTA - Your contact in HUNGARY

    Thuasne - SpryStep® Agilik™ KAFO specialist

    "Rehabilitation is a unique journey for each individual. It requires progress and patience. Our mission is to make it more than just a medical process: to make it smoother, more peaceful, and increasingly human."

    Let's discuss it togetherLet's discuss it together

  • VLADIMIRA - Your contact in CZECH REPUBLIC

    Thuasne - SpryStep® Agilik™ KAFO specialist

    ‘Every patient arrives with their own hopes and apprehensions. Our role is to transform these uncertainties into confidence, and to move forward together towards regained mobility.’

    Let's discuss it togetherLet's discuss it together

  • ROSA - Your contact for all other countries

    Thuasne - SpryStep® Agilik™ KAFO specialist

    "Our role is to be there at every stage, to provide answers but above all to be present. Patients make better progress when they feel truly supported."

    Let's discuss it togetherLet's discuss it together
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SpryStep® Agilik™ KAFO supports adults and children aged 5 and above.

The SpryStep® Agilik™ KAFO orthosis is designed for patients with leg weakness causing walking difficulties. It may be indicated, in particular, in cases of cerebral palsy (crouch gait), muscular dystrophy, spina bifida, incomplete spinal cord injury or hemiparesis after a stroke, etc.

It is available from the age of 5 for both children and adults, provided they are able to understand and follow simple instructions and walk at least three metres, with or without walking aids.

The final decision on use always rests with the therapist or clinician, who assesses the physical and cognitive abilities of each patient.

Discover how the SpryStep® Agilik™ KAFO empowers patients to reclaim movement and joy in their everyday lives.
Guided by the passion and commitment of Jack Wilson, each fitting becomes a unique journey toward greater independence, confidence, and renewed hope for what lies ahead.
© Reflet video

Frequently asked questions

  • Each patient is unique and progresses at their own pace. It is therefore difficult to answer this question precisely. Our role is to adjust the treatment to your needs and provide tailored follow-up to every stage of the journey.

    First, our certified Healthcare Professional needs to check that you are a good candidate for a motorized KAFO thanks to a testing device. This testing device is universal to different anatomies and isn’t as comfortable as your final orthosis, but it gives you an initial impression of what it’s like to walk with the SpryStep® Agilik™ KAFO. If you and our Healthcare Professional agree, a custom KAFO (Knee Ankle Foot Orthosis) is fabricated based on a cast of your leg.

    You will need to learn how to use the SpryStep® Agilik™ KAFO and Thuasne® will support you on each step and make all the adaptations throughout your learning path.

  • The SpryStep® Agilik™ KAFO  is available from the age of 5. You must weight above 20 kg / 44 lbs and below 135 kg / 300 lbs. Concerning your pathology, the SpryStep® Agilik™ KAFO is intended for patients with lower extremity weakness resulting in gait pathology such as, but not limited to crouch gait from a diagnosis of cerebral palsy, muscular dystrophy, spina bifida, or incomplete spinal cord injury or post stroke hemiparesis. Your eligibility will be assess by your Healthcare Professional.

  • Yes. Check that your pants fit closely to avoid wrinkles, which can lead to skin irritation or pressure sores.

  • Driving while the device is connected to the battery is not permitted. The ability to drive a vehicle with the device must be assessed by a Healthcare Professional and according to local regulations.

  • The orthotist adjusts the SpryStep® Agilik™ KAFO for one heel height, and you should then maintain that. A comfortable, wide shoe with stiff posterior heel cup and laces or self-fastenings tabs. For example, trainers or athletic shoes are the best type of shoes with the SpryStep® Agilik™ KAFO.

  • The SpryStep® Agilik™ KAFO is water resistant, but not waterproof. Meaning, you cannot shower, bathe, or swim wearing the orthosis, but will be okay if you get caught in the rain.

  • You have to use the user app on your mobile phone to switch from the walking to the stair descent mode for example. Moreover, a rehabilitation set-up can also be programmed and you can launch it during physio sessions for instance.

  • The rules for funding and reimbursement vary from country to country. Our Healthcare Professional will explain the potential local reimbursements to you or guide you with discussions with your private insurance.

  1. Steinfeldt F, Seifert W, Gunther KP. ‘Modern carbon Fibre orthoses in the management of polio patients a critical evaluation of the functional aspects.’ Z Orthop Ihre Grenzgeb 2003; 141:357 361.
  2. Devine, Taylor M., et al. "A randomized cross-over study protocol to evaluate long-term gait training with a pediatric robotic exoskeleton outside the clinical setting in children with movement disorders." PloS one 19.7 (2024): e0304087.
  3. Lerner, Zachary F., Diane L. Damiano, and Thomas C. Bulea. "The effects of exoskeleton assisted knee extension on lower-extremity gait kinematics, kinetics, and muscle activity in children with cerebral palsy." Scientific reports 7.1 (2017): 13512.
  4. CE marking 
  5. Hachisuka, K. et al. (no date) ‘Clinical application of carbon fibre reinforced plastic leg orthosis for polio survivors and its advantages and disadvantages’. doi : 10.1080/.
  6. Brehm, M. A. et al. 2007 ‘Effect of carbon composite knee ankle-foot orthoses on walking efÏciency and gait in former polio patients’, Journal of Rehabilitation Medicine, 39(8), pp. 651 657.
  7. Hachisuka, K. et al. (no date) ‘Clinical application of carbon fibre reinforced plastic leg orthosis for polio survivors and its advantages and disadvantages’. doi : 10.1080/.
  8. Zachary F. Lerner et al. ,A lower-extremity exoskeleton improves knee extension in children with crouch gait from cerebral palsy.Sci. Transl. Med.9,eaam9145(2017).DOI:10.1126/scitranslmed.aam9145
  9. Hachisuka, K. et al. 2007 ‘Oxygen consumption, oxygen cost and physiological cost index in polio survivors: A comparison of walking without orthosis, with an ordinary or a carbon fibre reinforced plastic knee ankle-foot 
    orthosis’, Journal of Rehabilitation Medicine, 39(8), pp. 646 650. doi : 10.2340/16501977 0105.
  10. Steele, K. M., DeMers, M. S., Schwartz, M. H., & Delp, S. L. (2012). Compressive tibiofemoral force during crouch gait. Gait & posture, 35(4), 556-560.