Polycentric 4-Bar Manual Locking Knee

Overview

A manual locking polycentric knee designed for pediatric and adult users needing high safety during stance with the option to convert to a free-swing knee as mobility increases.

Key Features:

• Manual locking mechanism via lanyard, providing secure stance phase stability

• Convertible design: lanyard lock can be disabled later to allow non-locking free swing

• Polycentric 4-bar linkage for smooth, controlled motion and enhanced stability

• Frame: superlight aluminum alloy for minimal weight

• 4-bar linkage: aircraft-grade alloy (AA7075) for strength and durability

• Proximal attachment: adjustable 2 mm anterior/posterior, medial/lateral, plus rotation

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

PDAC Approved HCPCS Codes: L5850 + L5611 + L5925

Clinical Note: Ideal for low- to moderate-activity patients who require high safety during early rehabilitation or daily ambulation.

Warranty: Manufacturer standard (typically 1 year)