A young patient was implanted with a durable 'Verilast' knee using the I'Assist' smart tool. She had Avascular necrosis of her knee in young age which required a total knee replacement. This marriage of navigation technology and durable implant should enable the new knee to survive for very long. Her surgery was performed by Dr.A.K.Venkatachalam in Chennai, India. Visit www.kneeindia.com