MAUDE Adverse Event Report: COCHLEAR BONE ANCHORED SOLUTIONS AB BIA400 IMPLANT 4MM W ABUTMENT 14MM; COCHLEAR BAHA CONNECT SYSTEM

Model Number	93338
Medical Device Problem Code	Patient Device Interaction Problem (4001)
Health Effect - Clinical Code	Impaired Healing (2378)
Type of Reportable Event	Serious Injury
Event or Problem Description
Per the clinic, the patient experienced skin overgrowth at the implant site, requiring use of a longer abutment.The original abutment was reportedly lost following a patient fall, during which the abutment detached and the fixation screw fractured.On (b)(6) 2025, the patient underwent revision surgery under general anesthesia.During the procedure, it was observed that part of the abutment thread remained stuck within the implant screw, and the surgeon was unable to remove the remaining abutment thread out of implant.Subsequently, on (b)(6) 2025, a further surgical procedure was performed under general anesthesia, during which the abutment was replaced.The implanted device remains.

• Brand Name: BIA400 IMPLANT 4MM W ABUTMENT 14MM
• Common Device Name: COCHLEAR BAHA CONNECT SYSTEM
• Manufacturer (Section D): COCHLEAR BONE ANCHORED SOLUTIONS AB; konstruktionsvägen 14; mölnlycke, 435 3 3; SW 435 33
• MDR Report Key: 24277243
• Report Number: 6000034-2026-00249
• Device Sequence Number: 18222216
• Product Code: MAH
• UDI-Device Identifier: 09321502033442
• UDI-Public: (01)09321502033442(10)COH1563389(17)270718
• Combination Product (Y/N): N
• Initial Reporter State: MI
• Initial Reporter Country: US
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2023
• Serviced by Third Party (Y/N): N
• Reporter Type: Importer
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 02/06/2026
• Report Date (Section F): 02/06/2026

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: Lay User/Patient
• Device Model Number: 93338
• Device Catalogue Number: 93338
• Device Lot Number: COH1563389
• Was Device Available for Evaluation?: No
• Was the Report Sent to FDA?: Yes
• Distributor Facility Aware Date: 01/10/2026
• Date Report to Manufacturer: 01/10/2026
• Initial Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 02/06/2026
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Sex: Female
• Date Report Sent to FDA: 02/06/2026