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	Patient Device Interaction Problem (4001)
Health Effect - Clinical Code	Skin Infection (4544)
Type of Reportable Event	Serious Injury
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.
Event or Problem Description
Per the clinic, the patient developed an infection and subsequently the device was explanted on (b)(6) 2026.There are no plans to reimplant the patient with a new device as of the date of this report.Additional information has been requested but has not been made available as of the date of this report.
Additional Manufacturer Narrative
Per the clinic, the patient was treated with oral antibiotics on (b)(6) 2025, administered three times daily for 5 days.The abutment was also reportedly removed on the same date.Subsequently, on (b)(6) 2025, the patient was prescribed antiseptic treatment and topical antibiotics, to be applied twice daily for 14 days.Following the appointment on (b)(6) 2025, the patient received an additional course of oral antibiotics (specific duration not reported).During the explant surgery on (b)(6), 2026, the surgeon encountered a small maxillofacial screw, which was drilled out and removed.No infection was reported following the explant surgery.

• 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: nabila zahari ; unit ug-1, vertical podium; no. 8 jalan kerinchi,; kuala lumpur, wilayah persekutuan 59200 ; MY 59200
• MDR Report Key: 24577350
• Report Number: 6000034-2026-00882
• Device Sequence Number: 13118212
• Product Code: MAH
• UDI-Device Identifier: 09321502022705
• UDI-Public: (01)09321502022705(10)COH1378762(17)250324
• Combination Product (Y/N): N
• Initial Reporter State: CO
• Initial Reporter Country: US
• PMA/510(K) Number: K121317
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2024
• Device Explanted Year: 2026
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• 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: 03/24/2025
• Device Model Number: 93330
• Device Catalogue Number: 93330
• Device Lot Number: COH1378762
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 02/11/2026
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 02/18/2026
• Supplement Date Received by Manufacturer: 04/07/2026
• Initial Report FDA Received Date: 03/12/2026
• Supplement 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 Sex: Female