With man in general living a longer life, the incidence of wear and tear of the joints is on the rise. People rightfully would like to live a productive life and be able to carry out their day to day activities comfortably. Knee replacements have become a common surgery now. Dr. Lad prefers to use imported implants (Zimmer, Smith and Nephew, DePuy) believes that in addition to a sound surgical hand, the use of appropriate implants is essential for this type of surgery. In 2013, he published his research comparing Computer assisted replacement to the conventional surgery. You can read more about it on http://www.ijoonline.com/article.asp?issn=0019-5413;year=2013;volume=47;issue=1;spage=77;epage=82;aulast=Lad