MAUDE Adverse Event Report: KLS MARTIN SE & CO. KG LEVEL ONE CMF; SCREW

Model Number	25-878-05-91
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Inadequate Osseointegration (2646)
Type of Reportable Event	Serious Injury
Event or Problem Description
17 days after implant and during distraction phase, distractor screws became loosened from 8-month-old patient's bone.Screws were undamaged and intact with distractor construct on explant.They were replaced.
Additional Manufacturer Narrative
An investigation was successfully completed.The results of the investigation have identified no manufacturing issues, no design issues and/or corrective actions necessary at this time.If further information is obtained that might add value to the contents of the investigation report, an additional follow-up report will be submitted.

• Brand Name: LEVEL ONE CMF
• Common Device Name: SCREW
• Manufacturer (Section D): KLS MARTIN SE & CO. KG; kolbinger strasse 10; muehlheim/donau, 78570 ; GM 78570
• Manufacturer (Section G): KLS MARTIN SE & CO. KG; kolbinger strasse 10; muehlheim/donau, 78570 ; GM 78570
• Manufacturer Contact: melissa bachorski ; p.o. box 16369; jacksonville, FL 32245 ; 9046417746
• MDR Report Key: 22902745
• Report Number: 9610905-2025-00080
• Device Sequence Number: 7911323
• Product Code: HRS
• UDI-Device Identifier: 00888118047694
• UDI-Public: (01)00888118047694
• Combination Product (Y/N): N
• Initial Reporter State: CA
• Initial Reporter Country: US
• PMA/510(K) Number: K971297
• Exemption Number: 2017029
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2025
• Device Explanted Year: 2025
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 07/28/2025

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Operator of Device: Health Professional
• Device Model Number: 25-878-05-91
• Device Lot Number: UNKNOWN
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 07/28/2025
• Initial Report FDA Received Date: 08/27/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Other
• Patient Age: 8 MO
• Patient Sex: Unknown