Ossur OP4 Knee Joint

Product Description

OP4 Knee – Hydraulic Above-Knee Prosthetic Knee

Manufactured by Össur | Marketed in India by Credence Prosthetic

The OP4 Knee is a high-quality hydraulic prosthetic knee joint manufactured by Össur, designed for transfemoral (above-knee) amputees seeking stability, safety, and natural mobility. Combining advanced hydraulic control with ergonomic mechanical design, the OP4 Knee enables smooth, energy-efficient gait patterns, making it ideal for daily activities, work, and moderately active lifestyles.

In India, the OP4 Knee is marketed and supported by Credence Prosthetic, ensuring users receive genuine Össur components, precise fitting, and professional after-sales support for consistent, long-term performance.

Advanced Hydraulic Technology for Natural Gait

The OP4 Knee features hydraulic resistance technology, providing smooth knee flexion and extension for improved mobility. Key advantages include:

Controlled swing phase for natural and energy-efficient walking

Stable stance phase to prevent knee collapse

Adaptive motion for stairs, ramps, slopes, and uneven terrain

Reduced compensatory movements for enhanced gait symmetry

This technology allows amputees to walk confidently and comfortably across various environments while maintaining balance and control.

Enhanced Safety and Stability

Safety is a fundamental feature of the OP4 Knee. Its hydraulic control combined with predictable stance phase ensures:

Secure weight-bearing support for safe walking and standing

Stability on slopes, stairs, and uneven surfaces

Predictable knee behavior during transitions and activities

The OP4 Knee empowers users to move naturally and safely, improving confidence and independence in everyday life.

Lightweight, Durable, and Comfortable

The OP4 Knee is designed for daily use and active living, offering:

Lightweight design for reduced fatigue during prolonged walking

Durable construction for long-term reliability

Comfortable fit with ergonomic alignment

Healthy limb posture and reduced strain on the residual limb

Its combination of durability, comfort, and mobility ensures consistent performance in both indoor and outdoor environments.

Key Benefits of OP4 Knee

Hydraulic prosthetic knee for smooth and controlled motion

Stable stance phase for safety and confidence

Adaptive gait for variable walking speeds and terrains

Lightweight, durable, and ergonomic design

Reduced strain on joints and residual limb

Professional fitting and support by Credence Prosthetic India

Marketed in India by Credence Prosthetic

Credence Prosthetic India, the authorized marketing partner for Össur, provides:

Comprehensive prosthetic assessment and consultation

Custom fitting and alignment for optimal gait

Access to authentic Össur prosthetic components

Expert after-sales service and technical support

With Credence Prosthetic, Indian amputees have access to internationally recognized prosthetic solutions backed by local professional care.

Ideal Candidate Profile

The OP4 Knee is suitable for:

Transfemoral (above-knee) amputees

Moderately active users

Individuals navigating stairs, slopes, ramps, and uneven terrain

Users seeking stable, smooth, and durable prosthetic knee performance

Regain Mobility, Confidence, and Independence

The OP4 Knee, manufactured by Össur and marketed in India by Credence Prosthetic, provides adaptive, safe, and natural mobility for above-knee amputees. With expert fitting and support, users can walk, work, and live daily life with confidence, comfort, and freedom.

Contact Credence Prosthetic India today to learn more about the OP4 Knee and find the right prosthetic solution for your mobility needs.

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