Ottobock 3R85 Dynion Knee Joint

Dynion is a new-generation mechanical knee from Ottobock. This reliable partner provides dynamic, dependable control throughout the gait cycle, thanks to a powerful rotary hydraulic, and empowers active users to lead the way on their own terms, by enabling walking at a variety of speeds over various surfaces with low cognitive effort. Support when descending stairs and declines is provided by consistent flexion resistance, and you can stand effortlessly with the manual lock feature. Keep reading to discover more about our newest mechanical knee.

Product Description

Ottobock 3R85 Dynion Knee Joint
Intelligent Mechanical Knee with Dynamic Control for Everyday Mobility

The Ottobock 3R85 Dynion Knee Joint is an advanced mechanical prosthetic knee that combines polycentric stability with dynamic stance and swing phase control, offering a unique balance between safety, adaptability, and simplicity. Designed for above-knee (AK) and transfemoral amputees with low to moderate activity levels, the Dynion knee is especially well suited for users who want improved walking confidence without the complexity of electronic or microprocessor systems.

The 3R85 Dynion features Ottobock’s dynamic stance control mechanism, which automatically adapts knee resistance based on load and walking conditions. During stance phase, the knee provides enhanced stability by responding to weight bearing, helping reduce the risk of knee collapse on slopes, uneven ground, or during sudden changes in movement. During swing phase, the knee offers smooth, controlled motion, supporting natural cadence changes and improved gait symmetry.

Built on a polycentric (four-bar linkage) design, the Dynion knee improves toe clearance during swing and maintains a favorable load line during stance, making it particularly beneficial for users with shorter residual limbs or those seeking added confidence during walking. Its mechanical construction ensures high reliability, durability, and low maintenance, making it suitable for daily use across varied environments.

The Ottobock 3R85 Dynion Knee Joint is commonly prescribed as a rehabilitation prosthetic knee, preparatory or temporary prosthetic knee joint, and in many cases as a definitive prosthetic knee for users who require dependable performance and adaptive stability. It is an excellent option for individuals transitioning from basic mechanical knees to more responsive systems while maintaining simplicity and cost-effectiveness.

At Credence Prosthetic India, the 3R85 Dynion knee is fitted through a comprehensive, patient-specific clinical process, including detailed functional assessment, precise alignment, customized socket integration, and structured gait training. Credence’s experienced prosthetists ensure that the knee’s dynamic stance behavior and swing characteristics are optimally adjusted to each user’s weight, activity level, and mobility goals. Ongoing follow-up and fine-tuning help ensure long-term comfort, safety, and functional independence.

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