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The VEGA Knee System is indicated for use in reconstruction of the diseased by ostearthritis, theumatoid arthritis, post-traumatic arthritis, the need to revise failed arthroplasties where pain, deformity or dysfunction persist, and for patients suffering from correctable valgus or varus deformity and moderate flexion contracture.

Posterior Stabilized (PS) components are also for aon-functioning posterior cruciate ligament and severe anteroposterior instability of the knee joint.

The VEGA Knee is designed for use with bone cement.

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

Posterior Stabilized (PS) components are also for and on non-functioning posterior cruciate ligament and severe anteroposterior instability of the knee joint.

The Columbus Knee is designed for use with bone cement.

All Poly Tibia posterior stabilizing and cruciate retaining implants are a line extension to the VEGA Knee System® and Columbus Total Knee System, respectively. The posterior stabilizing version is being introduced to the VEGA Knee System® and the cruciate retaining, deep dish version is being introduced to the Columbus Total Knee System. The subject implants are available with an optional centralizer.

VEGA Knee System® is a semi-constrained cemented prosthesis with a posterior stabilized (PS) design. Columbus Total Knee System includes both cruciate retaining and posterior stabilizing variants of the femoral, tibial and meniscal components.

For both knee systems, the femoral component, tibial plateau and extension stems are manufactured from Cobalt Chromium Molybdenum alloy (CoCrMo), available with an optional Zirconium nitride (ZrN) coating. The tibial gliding surface (insert), patella and All Poly Tibia are manufactured from Ultra High Molecular Weight Polyethylene (UHMWPE). The optional centralizer, designed to be used with the All Poly Tibia is made of polymethyl methacrylate (PMMA). The patella and All Poly Tibia incorporate X-ray markers. The materials of the X-ray markers in the patella are wrought stainless steel and the All Poly Tibia X-ray markers consist of a titanium peg and a tantalum ball. The tibial plug is made of PEEK.

VEGA and Columbus Knee Systems are made up of numerous components available in various sizes. The VEGA Knee System® is compatible with Aesculap Columbus cruciate retaining/posterior stabilizing tibial plateaus (CR/PS and CRA/PSA) and augments.

VEGA and Columbus components are sterile and intended for single use only.

The provided document is a 510(k) premarket notification for the VEGA Knee System® and Columbus Total Knee System, specifically regarding the introduction of All Poly Tibia posterior stabilizing and cruciate retaining implants with an optional centralizer. It describes the device, its intended use, and its substantial equivalence to previously marketed devices. However, the document does not contain acceptance criteria for device performance or a study proving that the device meets such criteria.

Instead, it focuses on demonstrating substantial equivalence to predicate devices by addressing technological characteristics and manufacturing processes. The "Performance Data" section briefly mentions:

• A risk analysis.
• Biomechanical testing.
• A comparison evaluation of wear.
• Biocompatibility of X-ray markers.
• Validation and verification of new instruments.

The conclusion of this section is that these analyses "raised no new issues of safety and efficacy for the design modifications described herein." This indicates that the intent was to show that the new components did not negatively impact the established safety and efficacy of the existing systems, rather than to present new acceptance criteria or a study demonstrating achievement of those criteria.

Therefore, I cannot provide the requested information from the given text as it is not present. The document focuses on regulatory approval through substantial equivalence, not on quantifiable performance acceptance criteria and a study demonstrating their achievement.

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