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The Columbus Revision Knee System is indicated for use in reconstruction of the diseased knee joint caused by osteoarthritis, rheumatoid arthritis, post-traumatic arthritis, the need to revise failed arthroplasties or osteotomies where pain, deformity or dysfunction persist, and for patients suffering from correctable valgus or varus deformity and moderate flexion contracture.

The Columbus Revision Knee System is designed to for use with bone cement.

The cemented Columbus Revision Knee System is a fixed prosthesis system that is available with one femoral design, the Posterior Stabilizing (PS) which offers stabilization it the ligament (PCL) is absent, weakened, or sacrificed during implantation. The system is manufactured from CoCrMo with the exception of the tibial "gliding surfaces" which are manufactured from UHMWPE. The complete system (femoral and tibial) makes up of numerous component available in various sizes. All components are sterile and for single use only.

This document is a 510(k) summary for the Columbus REVISION Knee System, a medical device. It does not contain information about acceptance criteria or a study proving that the device meets those criteria. Instead, it focuses on demonstrating substantial equivalence to previously cleared devices.

Therefore, I cannot provide the requested information about acceptance criteria, device performance, sample sizes, expert qualifications, adjudication methods, MRMC studies, standalone performance, or ground truth establishment based on the provided text.

The "PERFORMANCE DATA" section (page 1, section 2) mentions:

• "All required testing per 'Draft Guidance for the Preparation of Premarket Notifications (510(k)s) Applications for Orthopedic Devices-The Basic Elements' were done where applicable."
• "In addition, testing per the 'Guidance for the Preparation of Premarket Notifications (510(k)s) for Cemented, Semi-Constrained Total Knee Prostheses', and 'Class II Special Controls Guidance Document for Knee Joint Patellofemorotibial & . Femorotibial Metal/Polyer Porous-Coated Uncemented Prostheses: Guidance for Industry and FDA.'"

These statements indicate that specific guidance documents were followed for performance testing, but they do not provide the detailed acceptance criteria or the results of the studies themselves. To get that information, one would need to refer to the full 510(k) submission, which is not included in this extract.

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