This health video looks into the benefits of computer-assisted knew surgery.
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Jennifer Matthews: Michael Baroli is finally back on his feet, crouching and clicking, kneeling and directing. His glamour photography business depends on his knees. Michael Baroli: My knees are like my lifeblood. If they don't work, I don't work. Jennifer Matthews: But knee pain nearly put an end to his work. Orthopedic surgeon Stephen Davenport had a solution for Michael, computer-assisted knee surgery that can last up to 30 years. Standard surgery usually lasts less than 20 years. Dr. Stephen Davenport: Instead of guessing where the mechanical axis or points of reference are, the computer tells us accurately where they are, and it's accurate to within one or two degrees. Jennifer Matthews: Doctor Davenport says the surgery is more expensive but worth it. Dr. Stephen Davenport: I really like the accuracy component of it. I can be absolutely confident that every one of my patients has the potential to have the same exact result. Jennifer Matthews: After his surgery, Michael says he's able to work a full day and even do more physical activity. Michael Baroli: We started riding bikes. We're back exercising. We're walking on a regular basis. The weight is coming off. Jennifer Matthews: Michael says with his new knees, and his new regime -- he plans on being able to work another 30 years. This is Jennifer Matthews reporting.