ROSA (Robotic Surgical Assistant)

Technical and Clinical Advantages of Robotic Knee Arthroplasty

• Sub-Millimeter Precision in Bone Preparation: The primary advantage of robotic-assisted knee arthroplasty lies in its ability to execute bone resections exactly as mapped, driven by intraoperative digital tracking, computerized metrics, and sub-millimeter algorithmic planning.
• Optimal Soft-Tissue Balancing and Longevity: This technical accuracy facilitates meticulous tension management and balancing of the collateral ligaments, which drastically reduces structural wear and extends the overall survivorship (lifespan) of the prosthesis.
• Comprehensive Pre-Operative and Intraoperative Planning: Throughout these procedures, the robotic software precisely plans the exact localization and depth of the bone cuts, calculates the restoration of the soft-tissue gap balance, and guides the optimal positioning and orientation of each implant component.

Intraoperative Execution and Patient Prognosis

• Motion Control and Mitigation of Geometric Error: By dynamically tracking and locking the surgical tool to maintain the required intraoperative cutting angles, the robotic system ensures the procedure is completed flawlessly as planned, completely eliminating manual geometric error to achieve optimal functional outcomes.
• Broad Patient Eligibility: Robotic-assisted knee arthroplasty can be safely utilized by any patient who has been clinically indicated for a conventional total or partial knee replacement.
• Clinical Indicators for Evaluation: Individuals experiencing severe rest pain during the night that disrupts sleep cycles, or a progressive reduction in their maximum pain-free walking distance, should promptly consult an orthopedic specialist for clinical evaluation.
• Post-Operative Rehabilitation and Recovery: To promote early joint mobility and prevent complications, patients are mobilized for ambulation within the first 24 hours post-operatively, as tolerated by their clinical status. Patients are typically able to safely and healthily return to their standard activities of daily living approximately 30 days following the surgery.