Features of Cynthia Revision Knee System
- Could be used independently:
• Distal augments: 5mm, 10mm, 15mm
• Posterior condylar augments: 5mm, 10mm
- Combined distal and posterior augments:
• 5mm distal × 5mm posterior
• 10mm distal × 5mm posterior
• 5mm distal × 10mm posterior
• 10mm distal × 10mm posterior
- Extension Stem with 6° Valgus Angle.
- High-Constraint Insert:
• Provides up to 155° of high-flexion range of motion.
- Tibial Plateau with 0°:
• Posterior Slope.
- Non-Penetrating Design:
• Reduces wear.
• Tibial Keel Height: 25mm
- Offset Connector:
• Provides 2mm, 4mm, and 6mm offset adjustments, 360°
free positioning, and allows flexion gap adjustment.
Indications of Cynthia Revision Knee System
- Aseptic Loosening: The implant has lost its bond to the bone without infection.
- Instability: The knee feels unreliable or gives way due to weak ligaments .
- Infection: Persistent deep infection requiring implant removal and replacement.
- Mechanical Failure: Broken components or excessive wear of the plastic liner
- Periprosthetic Fracture: A bone break around the existing implant.
- Stiffness & Pain: Limited range of motion or persistent pain not relieved by nonsurgical treatments.