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.
Additional Manufacturer Narrative
The reported adverse event is associated with a returned device; however, the provided clinical information was reviewed by the manufacturer and no specific device analysis is deemed necessary at this time.Previous product examinations have not showed any relationship between a product geometrical deviation and the reported clinical complication.Additionally, there are no indications that a product failure has contributed to the reported issue.Adverse skin reactions around the baha abutment, ranging from slight redness to infected tissue, are common complications with baha implants, and can occur at any time following implantation.The report frequency for these complications is being monitored under cbas complaint and medical device reporting data monitoring plan and the status is updated on a monthly basis.This event is added to this monitoring.

• 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
• Manufacturer (Section G): COCHLEAR BONE ANCHORED SOLUTIONS AB; konstruktionsvägen 14; mölnlycke, 435 3 3; SW 435 33
• Manufacturer Contact: anu sundaraji ; unit ug-1, vertical podium; no. 8 jalan kerinchi; kuala lumpur, wilayah persekutuan 59200 ; MY 59200
• MDR Report Key: 25029975
• Report Number: 6000034-2026-01579
• Device Sequence Number: 13293650
• 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
• PMA/510(K) Number: K121317
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2022
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Other
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 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
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 04/08/2026
• Initial Report FDA Received Date: 04/29/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• 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: 11 YR
• Patient Sex: Male