The T9 stool is the last word in ergonomics. Thanks to revolutionary saddle-like geometry, the T9 combines a very small footprint with unmatched comfort. The vertical, open position of the legs makes it easier to approach the patient and maintain proper back posture. This reduces fatigue, even during prolonged treatment sessions. Beneficial effects. Careful shaping ensures bodyweight is distributed optimally over the seat. This results in a more natural, relaxed working posture that keeps concentration and energy levels high.