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Symbios
26 – Withdrawn
Total Knee

FIRST Fixed Knee System
-Total Knee

The FIRST total knee replacement prosthesis is based upon well established and clinically proven design principles. The implant and the KneePLAN software compliment each other and assist the operating surgeon

  • To ensure optimised component positioning and
  • Improved function. The implant and associated planning software adds accuracy to the surgical procedure particularly in those patients who’s anatomy is unusual and their total knee reconstruction surgically challenging.

The femoral component is a dual radius posterior stabilised design in six sizes with 4mm difference in AP dimension between sizes. The first radius (0-90°;) induces congruence with the tibial insert giving high A/P stability from extension into flexion, the second radius facilitates rollback; high flexion with cam on post action that optimises stress distribution. A modular tibial component compliments fixation methods and kinematic preferences.

The system is supported by KneePLAN 3D proprietary software modelling and patient specific instrumentation – single use, which optimises component positioning, particularly in reconstruction of constitutional deformity.

Supplier: Symbios

Brand: FIRST

Fixation - Head: Cemented

Modularity: Modular

First date of use: 2014

Current ODEP rating: Withdrawn

Previous ODEP Rating (unrated products only): Pre-Entry (2019)

ODEP Rating / Status Updated: 2023

ODEP Rating due for renewal: N/A

Femoral Component Material / Type: Posterior Stabilised

Femoral Component Fixation: cemented

Articulating Surface: standard fixed bearing PS

Tibial Component Material / Type: CoCr fixed bearing

Tibial Component Fixation: cemented

Patella: Kneene

ODEP Product ID: 4300