MAUDE Adverse Event Report: COCHLEAR BONE ANCHORED SOLUTIONS AB BIM400 IMPLANT MAGNET; COCHLEAR BAHA ATTRACT SYSTEM

Model Number	93550
Medical Device Problem Code	Expulsion (2933)
Health Effect - Clinical Codes	Skin Erosion (2075); Ulcer (2274); Tissue Breakdown (2681); 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 experienced skin irritation due to sensitivity to the pressure.The magnet strength was reduced, and the patient was using the weakest sp magnet; however, the wound continued to progress.Subsequently, the patient developed a pressure ulcer, skin erosion, along with exposure of the implant magnet and infection.The patient was treated with oral and topical antibiotics (specific date and duration not reported).On (b)(6) 2026, the implant magnet was explanted, the infected skin was excised and the site was closed.There are no plans to reimplant the patient with a new device as of the date of this report.

• Brand Name: BIM400 IMPLANT MAGNET
• Common Device Name: COCHLEAR BAHA ATTRACT 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: dini aziz ; unit ug-1, vertical podium; no. 8 jalan kerinchi; kuala lumpur, wilayah persekutuan 59200 ; MY 59200
• MDR Report Key: 24739723
• Report Number: 6000034-2026-01113
• Device Sequence Number: 17450809
• Product Code: LXB
• Combination Product (Y/N): N
• Initial Reporter State: PA
• Initial Reporter Country: US
• PMA/510(K) Number: K131240
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2019
• Device Explanted Year: 2026
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 03/31/2026

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 Model Number: 93550
• Device Catalogue Number: 93550
• Device Lot Number: 129817
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 03/18/2026
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 03/06/2026
• Initial Report FDA Received Date: 03/31/2026
• 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