Based on several cadaveric studies1, 2, the aMP™ femoral component incorporates a constant sagittal radius of curvature extending from full extension to 90° flexion. Reproducing natural femoral geometry, it restores normal tibiofemoral kinematics and Range of Motion (ROM). Equally significant, it facilitates high contact area and normal patellofemoral articulation. The constant femoral radius of curvature also maintains equal tension on ligaments in flexion and extension and eases ligament balancing.
Anatomic Motion
- Replicates Human Anatomy.
- Unique Tibiofemoral Articulation.
- Inhibits Instability.
By studying the anatomy of the normal human knee, it has been shown that the tibia pivots about the medial femoral articular surface in flexion.3-4 The unique tibiofemoral articulation of the aMP™ Knee System not only replicates this kinematic motion, but also inhibits the instability found in traditional total knees. By replicating the motion and stability of the normal knee, patient function and satisfaction are improved.
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