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The Unicondylar Sled Prosthesis was first implanted in 1969. It was last modified in 1981, and ever since the successful implant design has remained unchanged:

Naturally shaped components - Polycentric femur design permits anatomically adapted reconstruction:

• Successful polycentric femur design^{10, 12}
• Bone-conserving design for future arthroplasties¹⁴

Forgiving design - “Round-on-Flat” fixed bearing design permits excellent freedom of movement, leading to patient-specific mobility¹³:

• Unrestricted kinematics^{3, 9, 13}
• Better results compared to other implants, even in low volume sites^{11, 15, 16}
• Symmetrical design allows treatment of medial and also lateral gonarthrosis ²

Proven longevity

• Outstanding clinical outcomes document the device’s reliability^11,12
• Extensive clinical experience¹²
• Unchanged design for three decades
• Excellent documented outcomes¹²

Femoral resection

• Maximum bone conservation and preservation of soft tissues^{2, 6, 14}

Femoral components
The femoral components are available in four sizes:

•    Small (16 x 40 mm)
•    Medium-small (17 x 46 mm)
•    Medium (18 x 52 mm)
•    Large (20 x 60 mm)

In the event of a revision, explantation is easier than with undercut stem structures.¹⁴

Tibial plateaus
The symmetrical shape of the tibial plateaus allows them to be used both medially and laterally. The dimensioning is adapted to the shape of the tibial head anatomy.

All-poly design

This version is available in four heights: 7, 9, 11 and 13 mm, and four diameters: 45, 50, 55, and 58 mm.

 

Metal-backed design

This version is available in four heights: 8, 9, 11, and 13 mm and three diameters: 45, 50, and 55 mm.

LINK PorEx Surface Modification
 

• Significant reduction of metal ion release¹
• Ceramic-like abrasion behavior¹
• Outstanding hardness¹