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The Longeviti ClearFit Cranial Implant is designed and manufactured individually for each adult patient to correct bony voids and/or defect of the cranium.

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This document is a 510(k) clearance letter for the Longeviti ClearFit Cranial Implant. It does not contain information about acceptance criteria or a study proving device performance against such criteria. The letter primarily confirms that the device is substantially equivalent to legally marketed predicate devices and is subject to general controls. The "Indications for Use" section describes the intended use of the device but does not include any performance metrics or acceptance criteria.

Therefore, I cannot extract the requested information (acceptance criteria, reported device performance, sample sizes, data provenance, expert details, adjudication methods, MRMC study results, standalone performance, ground truth types, or training set details) from the provided text.

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The Longeviti Static Cranial Implants are designed and manufactured individually for each patient to correct bony voids and/or defects of the cranium.

The Longeviti PMMA Static Cranial Implants are patient specific, implantable prosthetic cranioplasty plates intended to correct and/or restore bony voids and/or defects of the cranium. The implants are manufactured from polymethyl methacrylate materials and are designed using the patient's CT scan data. The devices are provided sterile and can be fixated to cranial bone using commercially available fasteners. Typical maximum single plate sizes do not exceed a total surface area of 411 cm2 and should have a nominal thickness of 4mm, not to exceed 5mm, to ensure physical integrity.

The provided documents are a 510(k) Premarket Notification from the FDA to Longeviti Neuro Solutions, LLC for their Longeviti PMMA Static Cranial Implant. This document does not contain information about an AI/ML-driven medical device or any study proving a device meets acceptance criteria related to AI/ML performance.

The content focuses on:

• Substantial Equivalence: The FDA's determination that the Longeviti PMMA Static Cranial Implant is substantially equivalent to legally marketed predicate devices (OsteoSymbionics Patient Specific Cranial Plate K133082 and OsteoSymbionics Patient Specific Cranial Implant K072601).
• Device Description: The device is a patient-specific, implantable prosthetic cranioplasty plate manufactured from polymethyl methacrylate (PMMA) materials using patient CT scan data.
• Indications for Use: To correct bony voids and/or defects of the cranium.
• Testing Summary: Primarily focused on sterilization validation (ISO-14937) and mechanical strength tests (ASTM D638-03, D790-03, D4812-06) to demonstrate material equivalence to the predicate device.

Therefore, I cannot fulfill your request as the provided text does not contain any of the information required to describe acceptance criteria or a study related to an AI/ML device's performance. There is no mention of an algorithm, AI, machine learning, test sets, ground truth establishment, expert review, MRMC studies, or standalone algorithm performance.

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