MAUDE Adverse Event Report: COCHLEAR BONE ANCHORED SOLUTIONS AB BIA400 IMPLANT 4MM W ABUTMENT 10MM; COCHLEAR BAHA CONNECT SYSTEM

Model Number	93331
Medical Device Problem Code	Loss of Osseointegration (2408)
Health Effect - Clinical Code	Inadequate Osseointegration (2646)
Type of Reportable Event	Serious Injury
Event or Problem Description
Per the clinic, the patient experienced a loss of osseointegration resulting in fixture and abutment loss (specific date not reported).A revision surgery is planned but had not taken place at the time of this report.Additional information has been requested but has not been made available as of the date of this report.

• Brand Name: BIA400 IMPLANT 4MM W ABUTMENT 10MM
• 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: 24602184
• Report Number: 6000034-2026-01096
• Device Sequence Number: 8384805
• Product Code: MAH
• UDI-Device Identifier: 09321502022712
• UDI-Public: (01)09321502022712(10)COH1378763(17)250325
• Combination Product (Y/N): N
• Initial Reporter State: OH
• Initial Reporter Country: US
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2021
• Serviced by Third Party (Y/N): N
• Reporter Type: Importer
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 03/16/2026
• Report Date (Section F): 03/16/2026

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: 03/25/2025
• Device Model Number: 93331
• Device Catalogue Number: 93331
• Device Lot Number: COH1378763
• Was Device Available for Evaluation?: No
• Was the Report Sent to FDA?: Yes
• Distributor Facility Aware Date: 02/20/2026
• Date Report to Manufacturer: 02/20/2026
• Initial Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 03/15/2026
• 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: 03/16/2026