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StageOne™ Shoulder Cement Spacer Molds are indicated for use to mold a temporary hemi-shoulder replacement for skeletally mature patients undergoing a two-stage revision procedure due to a septic process. The temporary prosthesis is molded using Refobacin® Bone Cement R and inserted into the humeral medullary canal and glenoidal cavity following removal of the existing total shoulder replacement implants and debridement. The device is intended for use in conjunction with systemic antimicrobial antibiotic therapy (standard treatment approach to an infection).

The hemi-shoulder prosthesis made from StageOne™ Shoulder Cement Spacer Molds is not intended for use more than 180 days, at which time it must be explanted and permanent devices implanted or another appropriate treatment performed (e.g. resection arthroplasty, fusion, etc.).

Due to the inherent mechanical limitations of the hemi-shoulder prosthesis material (Refobacin® Bone Cement R), the temporary hemi-shoulder prosthesis is only indicated for patients who will consistently follow activity limitations throughout the implant period.

The subject device is a sterile, single use device made of silicone and is used to create a temporary hemi-shoulder implant component made from antibiotic bone cement, Refobacin® Bone Cement R. After removal of the initial implant the prepared cement spacer is placed into the glenohumeral

The provided text is a 510(k) Premarket Notification from the FDA for a medical device called "StageOne™ Shoulder Cement Spacer Molds." It describes the device's intended use, indications for use, and a summary of performance data (nonclinical).

However, the document does not contain information about:

• Acceptance criteria for an AI/ML device.
• A study that proves the device meets AI/ML acceptance criteria.
• Details about the test set, data provenance, number of experts, adjudication methods, MRMC studies, standalone performance, ground truth types, training set size, or training ground truth establishment.

The document explicitly states that Clinical Testing was deemed not necessary to establish substantial equivalence for the proposed device modifications, and the focus was on non-clinical performance testing for a physical medical device (molds for bone cement).

Therefore, based on the provided text, I cannot describe the acceptance criteria or a study proving an AI/ML device meets those criteria because this document does not pertain to an AI/ML device.

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