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The ACHIEVE PARTIAL KNEE SYSTEM is intended for unicompartmental knee arthroplasty to treat one or more of the following conditions:

• · Moderately disabling joint disease of the knee resulting from painful osteo or post traumatic arthritis.
• · Revision of previous unsuccessful surgical procedures, including prior unicompartmental knee arthroplasty.
• · As an alternative to tibial osteotomy in patients with unicompartmental osteoarthritis.

The ACHIEVE™ PARTIAL KNEE SYSTEM is a knee joint femorotibial (unicompartmental) prosthesis that is intended for cementless or cemented fixation.
The implant system consists of individually packaged implants: a metal tibial tray (titanium alloy), a polyethylene tibial insert, and a metal femoral component (titanium alloy or cobalt-chromium). All tibial inserts are composed of a Cross-linked, Vitamin E Ultra High Molecular Weight Polyethylene (Cross-Linked, VE UHMWPE).

This document does not contain information about the acceptance criteria and study detailed in the request. The document is a 510(k) premarket notification for a medical device (ACHIEVE™ Partial Knee System) and focuses on demonstrating substantial equivalence to a predicate device through non-clinical testing. It explicitly states that clinical testing was not necessary to demonstrate substantial equivalence.

Therefore, I cannot provide the requested information regarding acceptance criteria, device performance, sample sizes for test or training sets, data provenance, expert qualifications, ground truth, or MRMC studies, as these aspects are typically associated with clinical trials or performance studies involving AI/software devices.

The document describes engineering tests and analyses performed on the physical components of the knee system. For instance:

• Range of Motion (RoM) Evaluation: Acceptance criteria met per ASTM F2083.
• Femoral Fatigue Testing: Acceptance criteria met per modified ASTM F3210 (10 Mc).
• Tibial Tray Fatigue Testing: Acceptance criteria met per modified ASTM F3140 (10 Mc).
• Component Interlock Strength Testing: Acceptance criteria met for static AP and ML shear testing and static tensile pull-off testing.
• Wear Resistance Evaluation: Wear rate does not represent a new worst-case compared to the predicate device per ISO 14243-3.
• Biocompatibility Assessments: Devices found to be biocompatible per ISO 10993-1 and FDA Guidance.
• Porous Structure Characterization: Meets recommendations of Class II Special Controls Guidance Document per ASTM F1044, ASTM F1147, ASTM F1160, ASTM F1978, and ASTM F1854.
• Shelf-Life Evaluation: Five-year shelf life established per ISO 11607-1 and ISO 11607-2.
• Sterilization Validation: Sterility Assurance Level (SAL) of 10-6 found per ISO 11137-1 and ISO 11137-2.

However, these are all engineering benchmarks for the physical orthopedic implant, not performance metrics for a diagnostic AI/software device.

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