Robotic Technology

Ideally, a knee replacement should last 25 years–and even a lifetime. Getting a precise, comfortable fit is essential. The ROSA® System does not require the use of CT scans. Instead, surgeons use a series of pre-operative X-rays detailing the measurements and positioning of each patient’s “individual anatomic landmarks” to create a 3D image of that person’s unique knee anatomy. Based on this 3D image, ROSA® planning software creates a custom blueprint for optimal alignment, joint stability, and mobility. The software helps the surgeon determine the ideal positioning of the implant, ensuring the best possible fit in the surrounding soft tissue and customizing alignment and balance through a complete range of motion.

Before surgery begins, optical trackers and a mini camera are attached to the patient so the computer always knows exactly where the joint is in space. The ROSA System works like a GPS, adjusting for the tiniest movement. The surgeon can tell the depth and angle of the instruments inside the patient’s body.

ROSA® provides the surgeon with continuous real-time data, helping them precisely position the implant. It enhances accuracy, making it easier to avoid nerves and preserve anatomy. Surgery is performed manually except for two critical steps: cutting the bone and placing the implant. This involves six “primary cuts” performed with the assistance of the ROSA’s robotic arm to ensure that the surgical plan is followed precisely as programmed.