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Cynthia Knee Joint System(PS)

The Cynthia knee endoprosthesis system offers the surgeon a variety of implant options depending on the soft tissue tension situation and the size of the bone defect. It is a system for many indications:osteoarthritis, rheumatoid arthritis and traumatic arthritis.
  • Product Detail


Features:

  • A sloped femoral box profile conserves bone without compromising fit or component strength.
  • Gradually reducing femoral radius provides a smooth transition throughout the gait cycle.
  • The narrow anterior flange is designed to provide an optimal fit for each patient while minimizing overhang and the opportunity for soft tissue irritation.
  • The trochlear angle varies by size to accommodate variable patient Q-angles.
  • A funnel shape allows the patient’s soft tissues to drive the position of the patella in extension and provides a smooth transition into the center of the groove.
  • Femoral lugs increase anti-rotational stability of femoral component.
  • A special cam-spine provides a large contact area and stability in flexion, while reducing the stresses to the tibia spine.
  • The patent central locking design provides the architecture for the system to optimize kinematics, while reducing backside micromotion to the lowest levels.
  • Highly polished cobalt chrome tibial tray provides smooth surface to minimize polyethylene wear.
  • The stem with 3°posterior slope, prevent impingment with cortex bone.
  • Keel design provides anti-rotational stability.


Indications:

  • Painful and disabled knee joint resulting from osteoarthritis, rheumatoid arthritis, traumatic arthritis where one or more compartments are involved
  • Correction of varus, valgus, or posttraumatic deformity
  • Correction or revision of unsuccessful osteotomy, arthrodesis, or failure of previous joint replacement procedure




















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