Robot Surgeon Simplifies Knee Replacement

Parker Adventist Hospital recently started using the ROSA knee system to help doctors be

more accurate during operations.

Dr. Derek Johnson, surgeon and director of the hospital's orthopedic department, spoke to FOX about the benefits of the new system.

“Traditionally, when replacing a knee joint, wewe use devices and guides for the operation, - he explains. - Most of the operations are performed by touch. You have to rely on your own experience. "

In most cases, the operations are successful, but sometimes the connection scheme of the ligaments does not match. Here it isThis is where ROSA comes in.It helps  doctors make adjustments in fractions of a millimeter. According to Derek Johnson, early ROSA reviews show that more precise surgeries will allowPatients recover faster after surgery.

Johnson has already performed nearly 2,500 knee replacements and is happy to have a robotic surgeon now helping him.

The knee is the joint located inthe middle of the leg. A joint is the point at which one or more bones converge. The knee joint consists of the end of the femur, the patella, and the end of the tibia.

The knee replacement surgery itself takeson average about two hours. The surgeon removes the damaged cartilage and part of the bone and then installs new metal and polymer articular surfaces to restore the axis of the limb and the function of the knee joint.

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