Ci system has been launched in 2004 which provides huge benefits in surgery which is assisted by computer. Ci is the first among the integrated system of software and hardware which also features instrumentation. The product has been accepted by large number of orthopedic surgeon. The product is developed by the valuable feedback which is provided by the orthopedic surgeon across the world. It provides the latest software which improves the complete knee arthroplasty. The software designed by the company especially for Sigma®, PFC® and LCS® Complete™ implant systems. While performing surgery the patient anatomy is taken by the software and implants. The user interface with graphical technology provides customizable solution. The various surgical philosophies are taken into account with the multiple workflows that is available. For the patient of knee replacement the software enable customized surgery. In U.S. the product is cleared for use.