Polycentric 4-Bar Knee

Overview

This knee joint features a polycentric 4-bar linkage design, providing enhanced stability, controlled swing, and adaptable alignment for lower limb prostheses.

Key Features:

• Polycentric mechanism for natural gait and improved stance stability

• Constant friction swing phase control ensures smooth and predictable movement

• Superlight aluminum alloy frame for reduced weight without compromising strength

• 4-bar linkage made of aircraft-grade alloy (AA7075) for durability and performance

• Proximal attachment allows 2 mm anterior/posterior, medial/lateral slide, and rotational adjustments

• Optional adapters: Pyramid (AK) and Lotus (KD) for versatile socket attachment

PDAC Approved HCPCS Codes: L5611 + L5850

Clinical Note: Suitable for low- to high-activity patients who require stability during stance and controlled swing phase.

Warranty: Manufacturer standard (typically 1 year)