Endolite 4-Bar Knee with PSPC Prosthetic Knee joint

Product Description

Endolite 4-Bar Knee with PSPC Prosthetic Knee Joint

Polycentric Stability for Safer, Smoother & More Confident Walking

The Endolite 4-Bar Knee with PSPC Prosthetic Knee Joint is a polycentric (4-bar) mechanical knee engineered to deliver enhanced stance phase stability, controlled swing, and predictable gait for above-knee (AK) and transfemoral amputees. Developed by Endolite, this knee joint uses proven multi-axis mechanics combined with PSPC (Polycentric Stance Phase Control) to support safe and confident everyday mobility.

The 4-bar (polycentric) linkage design creates a moving center of rotation, which increases inherent stability during stance phase. With PSPC, the knee remains highly resistant to unintended flexion under load, especially during weight bearing, initial contact, and mid-stance. This significantly reduces the risk of knee buckling and falls compared to basic single-axis mechanical knees, making it a reliable choice for users who need added safety without complex electronics or hydraulics.

During swing phase, the Endolite 4-Bar Knee allows smooth and predictable knee flexion and extension, supporting a consistent walking rhythm and improved foot clearance. While cadence response is mechanically governed, the controlled motion helps minimize gait deviations and compensatory movements, particularly for users walking at steady speeds. The polycentric geometry also contributes to improved toe clearance during swing, reducing the risk of tripping.

The Endolite 4-Bar Knee with PSPC is particularly well suited for low to moderate activity users, elderly amputees, and individuals who prioritize stability, durability, and ease of use. It is commonly prescribed for definitive prostheses, as well as for patients transitioning from preparatory prosthetic systems who are not yet candidates for hydraulic or microprocessor knees. Its robust construction ensures long-term reliability in daily living environments, including indoor surfaces, outdoor walkways, and mild uneven terrain.

At Credence Prosthetic India, the Endolite 4-Bar Knee with PSPC is fitted using a structured clinical protocol that includes detailed functional assessment, precise static and dynamic alignment, and supervised gait training. Proper alignment is especially critical for polycentric knees to achieve optimal stance stability and smooth swing mechanics. Credence’s experienced prosthetists customize each fitting based on the user’s strength, balance, activity level, and long-term rehabilitation goals.

As one of India’s trusted advanced prosthetic clinics, Credence Prosthetic India offers a full range of prosthetic knee options—from mechanical and polycentric knees to hydraulic and microprocessor-controlled systems. With a strong focus on evidence-based fitting, patient education, and functional rehabilitation, Credence ensures that users of the Endolite 4-Bar Knee with PSPC Prosthetic Knee Joint achieve improved stability, safer walking, and greater independence in everyday life.

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