MAUDE Adverse Event Report: TREACE MEDICAL CONCEPTS, INC. SNAP-OFF SCREW SYSTEM

Model Number	SK21
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Codes	Skin Inflammation/ Irritation (4545); Swelling/ Edema (4577)
Date of Event	05/05/2026
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that after an initial bunion surgery on (b)(6) 2024, two snap off screws were removed on (b)(6) 2026 due to swelling and irritation from screw tip prominence.The patient's bones were completely fused/healed.There were no deficiencies or malfunctions alleged/found with any tmc device and no other patient outcomes were reported as a result of this event.
Additional Manufacturer Narrative
It was reported that after an initial bunion surgery on (b)(6) 2024, two snap off screws were removed on (b)(6) 2026 due to swelling and irritation from screw tip prominence.The patient's bones were completely fused/healed.There were no deficiencies or malfunctions alleged/found with any tmc device and no other patient outcomes were reported as a result of this event.No devices were returned for evaluation.The device history records were reviewed, and no issues were identified during the manufacture and release of the devices that could have contributed to what was reported.The most likely cause of the reported event could not be determined based on the available information and without the return of the device.There were no deficiencies or malfunctions alleged/found with any tmc device, nor were there any reported issues with placement of the device or healing of the surgical site.The company will supplement this mdr as necessary and appropriate.

• Brand Name: SNAP-OFF SCREW SYSTEM
• Common Device Name: SCREW
• Manufacturer (Section D): TREACE MEDICAL CONCEPTS, INC.; 100 palmetto park place; ponte vedra FL 32081
• Manufacturer (Section G): TREACE MEDICAL CONCEPTS, INC.; 100 palmetto park place; ponte vedra FL 32081
• Manufacturer Contact: artillia walker ; 100 palmetto park place; ponte vedra, FL 32081 ; 9049131020
• MDR Report Key: 25361500
• Report Number: 3011623994-2026-00136
• Device Sequence Number: 10729553
• Product Code: HWC
• UDI-Device Identifier: 00853114006143
• UDI-Public: (01)00853114006143(17)240727(10)38250
• Combination Product (Y/N): N
• Initial Reporter State: FL
• Initial Reporter Country: US
• PMA/510(K) Number: K183363
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2024
• Device Explanted Year: 2026
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial
• Report Date (Section B): 06/02/2026

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 Expiration Date: 07/27/2024
• Device Model Number: SK21
• Device Lot Number: 38250
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 05/05/2026
• Initial Report FDA Received Date: 06/02/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 07/27/2021
• 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: Required Intervention
• Patient Age: 74 YR
• Patient Sex: Female