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 Codes	Detachment of Device or Device Component (2907); Therapeutic or Diagnostic Output Failure (3023)
Health Effect - Clinical Code	Head Injury (1879)
Date of Event	09/24/2025
Type of Reportable Event	Serious Injury
Event or Problem Description
Per the clinic, the patient experienced a performance decrement subsequent to sustaining an impact to the abutment side of the head.Subsequently, the device was explanted under a general anaesthetic on (b)(6) 2025.The patient was reimplanted with a transcutaneous osia implant system at a new site.

• 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: 24127874
• Report Number: 6000034-2026-00520
• Device Sequence Number: 17507127
• Product Code: MAH
• UDI-Device Identifier: 09321502033442
• UDI-Public: (01)09321502033442(10)COH1096805(17)220116
• Combination Product (Y/N): N
• Initial Reporter State: GA
• Initial Reporter Country: US
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2017
• Device Explanted Year: 2025
• Serviced by Third Party (Y/N): N
• Reporter Type: Importer
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 01/21/2026
• Report Date (Section F): 01/21/2026

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 Expiration Date: 01/16/2022
• Device Model Number: 93338
• Device Catalogue Number: 93338
• Device Lot Number: COH1096805
• Was Device Available for Evaluation?: No
• Was the Report Sent to FDA?: Yes
• Distributor Facility Aware Date: 12/30/2025
• Event Location: Hospital
• Date Report to Manufacturer: 12/30/2025
• Initial Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 01/21/2026
• 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 Age: 46 YR
• Patient Sex: Male
• Date Report Sent to FDA: 01/21/2026