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	Patient Device Interaction Problem (4001)
Health Effect - Clinical Codes	Erythema (1840); Pain (1994); Fluid Discharge (2686); Skin Infection (4544); Skin Inflammation/ Irritation (4545); Swelling/ Edema (4577)
Type of Reportable Event	Serious Injury
Event or Problem Description
Per the clinic, the patient experienced pain, irritation, tenderness, drainage and an infection at the abutment site.Subsequently, the patient was treated with oral antibiotic (specific date and duration not reported) and the abutment was removed on (b)(6) 2026.During the removal, the skin at the abutment site was erythematous and edematous, and the patient was treated with topical antibiotic.There are plans to place a new abutment; however, this has not occurred as of the date of this report.
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.Transient pain is a known medical complication where most cases can be resolved with clinical case management.Known reasons for cause of pain are abnormal skin sensitivity, earlier trauma to the implanted area, lack of adequate bone quality or other generalized diseases.It might also be due to a loose implant magnet, causing pain around the implanted area when using the baha sound processor.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 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
• Manufacturer (Section G): Cochlear Bone Anchored Solutions AB; konstruktionsvägen 14; mölnlycke, 435 3 3; SW 435 33
• Manufacturer Contact: ashwinii chelvan ; unit ug-1, vertical podium; no. 8 jalan kerinchi; kuala lumpur, wilayah persekutuan 59200 ; MY 59200
• MDR Report Key: 50799387
• Report Number: 6000034-2026-03261
• Device Sequence Number: 12922675
• Product Code: MAH
• UDI-Device Identifier: 09321502022712
• Combination Product (Y/N): N
• Initial Reporter State: MN
• Initial Reporter Country: US
• PMA/510(K) Number: K121317
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Type of Report: Initial
• Report Date (Section B): 09/17/2026

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: 93331
• Device Catalogue Number: 93331
• Device Lot Number: COH1628583
• Was Device Available for Evaluation?: Yes
• Date Returned to Manufacturer: 09/02/2026
• Is the Reporter a Health Professional?: No
• Initial Date Received by Manufacturer: 08/18/2026
• Initial Report FDA Received Date: 09/17/2026
• 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