Brand Name: PALACOS Product Name: PALACOS R pro 40; PALACOS R pro 80 Model/Catalog Number: 5081286; 5081287 Software Version: N/A Product Description: Radiopaque, poly(methyl methacrylate)-based (PMMA) bone cement, pre-filled into a mixing and application system, suitable for use with or without vacuum (ready to mix). Component: N/A

increase of complaints regarding the breakage of the ampoules within their device systems. An extensive investigation revealed that multiple factors have an impact on the ampoule breakage. An unfortunate combination of these influence factors can lead to unbreakable ampoules. If none or not all ampoules break, the product cannot be used on the patient since no or no appropriate cement dough is formed.

On December 9, 2025 Urgent Field Safety Notice emails were sent to customers. Actions to be taken: 1. Read this Field Safety Notice and ensure that all relevant hospital departments are informed about its content. 2. Please complete the attached customer reply form and send it to [email protected] within five (5) calendar days. This form must be returned even if you no longer use the device. 3. Keep a copy of the attached customer reply form with your records in the event of a compliance audit of your facility. 4. Heraeus Medical GmbH is fully cooperating with regulatory authorities and is committed to resolving this issue efficiently. For further details regarding this field safety notice, please contact your Heraeus Medical sales representative or distributor. We regret any inconvenience caused by this action and value your cooperation and commitment to patient safety. This field safety notice was submitted to the FDA in context of the correction authority report.