Your prosthetic foot makes everything else possible. Whether you‘re an above or below knee amputee, the quality and performance of your whole prosthesis will be impacted by the quality and performance of the prosthetic foot.
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With a wide range of Ottobock prosthetic feet you can be sure that together with your Prosthetist you will find the one to suit your personal needs. Whether it is a foot made out of carbon or it is a microprocessor controlled foot – our whole portfolio is based on the same idea: building a foundation. We take our responsibility seriously. When choosing a prosthetic foot from Ottobock, you can be sure that each one is designed with passion, in compliance with highest quality standards and always with your needs in mind.
In addition from giving you more insights into our prosthetic foot portfolio, we have compiled some useful information on selection criteria, general insights about prosthetic feet, and frequently asked questions. We believe that the more you understand about how your prosthetist selects the right foot for you, the more actively you can engage in the fitting process. This collaboration ensures a satisfying outcome that meets your expectations.
Designing a prosthetic foot is complex, it’s difficult to reproduce the natural movement of the human foot and ankle. Ideally, a prosthetic foot should be lightweight because its weight is added to the rest of the prosthetic leg. If the foot is too heavy and the suspension system is inadequate, the connection between the socket and your limb may be compromised, affecting the overall function of the prosthesis.
In addition to being light, a prosthetic foot must also be strong. It needs to withstand the significant forces and torque generated during walking and running. While also being small enough to fit within a foot shell and shoes. Being light, strong and small whilst still remaining functional and durable i s the primary challenge in prosthetic foot design.
Early prosthetic foot designs were often made from a solid piece of wood. A similar concept, the SACH (solid-ankle cushioned-heel) foot, remains in use today due to its sturdy and reliable function, especially for individuals with lower activity levels. The SACH foot typically features a rigid core (wood or plastic) encased in a compressible foam cosmetic shell.
Modern prosthetic feet offer advanced features and are secured in a foot shell. Most users never see their prosthetic foot without this outer covering. The cosmetic shell serves two key purposes: it gives the prosthetic foot a natural, anatomical appearance, and it allows the prosthetic foot to fit securely within a shoe.
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What's inside the shell can vary significantly, as prosthetic feet are designed to accommodate different lifestyles and activity levels. Here are some important factors to consider when choosing a prosthetic foot:
Choosing a prosthetic foot that best suits your personal requirements, needs and goals is a complex task. Your Prosthetist is an expert in this field. Thanks to their education, experience and biomechanical knowledge, they will choose the prosthetic foot that helps achieve the best possible fitting outcome for you individually.
Please note: The information provided in this section only serves as a guidance. Please contact your Prosthetist if you have more detailed questions.
Designing prosthetic foot systems is challenging. It’s very difficult to reproduce the complex workings of the human foot and ankle. Ideally the foot will be light because its weight is added to the rest of the prosthetic leg. If the foot is too heavy and the suspension of the prosthesis is not appropriate, the connection to the socket and your limb will be affected and also the overall function of the prosthesis.
A good prosthetic foot should also be strong, as it will be taking on large forces and torque as you walk and run. Feet must also be small enough to fit within a footshell, a cosmetic covering for the prosthetic foot, and thus fit within a shoe. Being light, strong, and small, while functional and durable is the challenge.
Early designs for prosthetic feet were often a solid piece of wood. A similar design, the SACH foot (solid-ankle-cushioned-heel) is still in use because of its sturdy function. It is especially useful for individuals with lower activity levels. A SACH foot typically has a rigid inner structure (wood or plastic) surrounded by a compressible foam cosmetic shell.
For more information, please visit prosthetic foot shell.