J Knee Surg 2018; 31(01): 027-037
DOI: 10.1055/s-0037-1608839
Special Focus Section
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

Difficult Cases in Robotic Arm-Assisted Total Knee Arthroplasty: A Case Series

Robert C. Marchand
1   Department of Orthopaedic Surgery, Ortho Rhode Island, Wakefield, Rhode Island
,
Anton Khlopas
2   Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio
,
Nipun Sodhi
2   Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio
,
Caitlin Condrey
3   Division of South County, Ortho Rhode Island, Wakefield, Rhode Island
,
Nicolas S. Piuzzi
2   Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio
4   Department of Orthopaedic Surgery, Instituto Universitario del Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
,
Rickesh Patel
2   Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio
,
Ronald E. Delanois
5   Department of Orthopaedic Surgery, Center for Joint Preservation and Replacement, Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, Maryland
,
Michael A. Mont
2   Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio
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Weitere Informationen

Publikationsverlauf

21. September 2017

15. Oktober 2017

Publikationsdatum:
22. November 2017 (online)

Abstract

Sagittal deformity of the knee is commonly corrected to neutral biomechanical axis (±3 degrees) during total knee arthroplasty (TKA), which is a widely accepted goal. Recent advances in surgical technology have made it possible to accurately plan and fulfill these goals. One of these is robotic-assisted TKA, which has been noted to help increase accuracy and precision of restoring a neutral mechanical axis. While there are data confirming the ability of robotic devices to better correct knee alignment than the manual technique, there is a lack of data concerning the use of the robotic devices in more complex cases, such as those in patients with severe varus or valgus deformity, as well as in flexion contractures. Therefore, the purpose of this case study is to present three cases in which the robotic-assisted TKA device was used to correct a severe varus and severe valgus deformities. Based on this case series, it should be noted that the robotic device can also help correct severe varus/valgus deformities and flexion contractures.

 
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