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Imageless robotic-assisted total knee revision arthroplasty
Hendrik Pott1, Ricarda Stauss2, Max Ettinger2
1Universitätsklinik für Orthopädie und Unfallchirurgie, Pius-Hospital Oldenburg, Medizinischer Campus der Carl von Ossietzky Universität Oldenburg, Georgstraße 12, 26121, Oldenburg, Germany. hendrik.pott@pius-hospital.de.
Operative Orthopadie Und Traumatologie
|May 18, 2026
Summary
This study details a single-stage knee revision arthroplasty technique using robotic assistance to address bone defects and soft tissue laxity. Robotic guidance aims for precise implant positioning and improved patient outcomes in complex knee revision surgeries.
Area of Science:
- Orthopedic Surgery
- Robotic-Assisted Procedures
- Arthroplasty
Background:
- Knee revision arthroplasty is complex, often involving significant bony defects and soft tissue instability.
- Existing literature on robotic-assisted knee revision is limited, primarily consisting of case reports and small series.
Purpose of the Study:
- To describe a single-stage knee revision arthroplasty technique.
- To address challenges of bony defects and soft tissue laxity during revision surgery.
- To evaluate the application of an imageless robotic system in knee revision.
Main Methods:
- Utilized a standardized median parapatellar approach and an imageless robotic system.
- Mapped the existing implant in situ, highlighting the bone-implant interface in 3D reconstruction.
- Performed virtual implant planning for revision component positioning, followed by robotic-assisted execution with potential use of augments for bone loss.
Main Results:
- The technique allows for precise component positioning and soft tissue balancing.
- Robotic assistance facilitates the management of complex bony defects.
- Generally favorable results are reported in the literature for robotic-assisted knee revision.
Conclusions:
- Single-stage knee revision arthroplasty with robotic assistance offers a viable solution for complex cases.
- This approach can effectively manage bony defects and soft tissue laxity.
- Further studies are warranted to confirm long-term outcomes.
