MAUDE Adverse Event Report: COCHLEAR BONE ANCHORED SOLUTIONS AB BIA400 IMPLANT 4MM W ABUTMENT 8MM; COCHLEAR BAHA CONNECT SYSTEM

Model Number	93330
Medical Device Problem Code	Appropriate Device Problem Term/Code Not Available (3191)
Health Effect - Clinical Code	Skin Inflammation/ Irritation (4545)
Date of Event	11/10/2025
Type of Reportable Event	Serious Injury
Event or Problem Description
Per the clinic, the patient experienced skin overgrowth and irritation.Subsequently, the patient underwent revision surgery on (b)(6) 2025, in order to transition the patient to a transcutaneous osia implant system.The implant was placed on a new internal fixture.The old internal fixture was left in-situ.During the procedure, the abutment was removed and skin revision was performed under general anesthesia.

• Brand Name: BIA400 IMPLANT 4MM W ABUTMENT 8MM
• 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: 25024342
• Report Number: 6000034-2026-01580
• Device Sequence Number: 10261003
• Product Code: MAH
• UDI-Device Identifier: 09321502022705
• UDI-Public: (01)09321502022705(10)1457386(17)260507
• Combination Product (Y/N): N
• Initial Reporter State: IA
• Initial Reporter Country: US
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2022
• Serviced by Third Party (Y/N): N
• Reporter Type: Importer
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 04/29/2026
• Report Date (Section F): 04/29/2026

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: 05/07/2026
• Device Model Number: 93330
• Device Catalogue Number: 93330
• Device Lot Number: COH1457386
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 11/19/2025
• Was the Report Sent to FDA?: Yes
• Distributor Facility Aware Date: 04/08/2026
• Event Location: Hospital
• Date Report to Manufacturer: 04/08/2026
• Initial Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 04/29/2026
• 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: 11 YR
• Patient Sex: Male
• Date Report Sent to FDA: 04/29/2026