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Polycntr. Knee Joint for KD, Titan.

Item #: 3R30

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Suggested HCPCS Coding: L5611 + L5850

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The upper joint section with lamination anchor and lower joint section are connected by anterior and posterior linkage bars. The detachable lamination anchor connects the knee to the prosthetic socket. Stance phase stability is achieved through polycentric kinematics. The extension assist spring and axial friction are both continuously adjustable.


Activity Level K1, K2
Maximum Body Weight 275 lbs (125 kg)
Material Titanium
Proximal Connection Lamination Anchor
Distal Connection Pyramid Adapter
Maximum Knee Flexion Angle 110 degrees
Knee Center to Proximal Connection 18 mm
System Height 99 mm
Product Weight 655 g


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3R30, 3R21 Polycentric Modular Knee Joints - Instructions for Use

Instructions for Use: 647G44 (EN/DE/FR/IT/ES/PT/NL/SV/DA/PL/HU/CS/RO/HR/TR/EL/RU/JA/ZH)

Publish date: 

PDF Document (647G44_all_INT-INT-27-2004w.pdf | 21 MB)

Fabrication Order Form for Transfemoral or Knee Disarticulation

Order Form: (EN)

Publish date: May 1, 2015

PDF Document (13084BTransfemoralProsthesisOrderForm.pdf | 60 KB)

LL Prosthetic Documentation Packet

Reimbursement: (EN)

Publish date: Jul 20, 2020

PDF Document (LLP_DocumentationPkt_072020.pdf | 1 MB)