MAUDE Adverse Event Report: MEDTRONIC IRELAND ONYX FRONTIER; CORONARY DRUG-ELUTING STENT

Model Number	ONYXNG22522UX
Medical Device Problem Codes	Difficult to Advance (2920); Device Dislodged or Dislocated (2923)
Health Effect - Clinical Code	Device Embedded In Tissue or Plaque (3165)
Date of Event	03/22/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.
Event or Problem Description
During a procedure an attempt was made to use one onyx frontier coronary drug eluting stent when the stent became dislodged at the lesion site.There were no issues noted when removing the device from the hoop/tray.The device was inspected with no issues.Negative prep was not performed.The lesion was not pre-dilated.The lesion being treated was located in the mid right coronary artery (rca).The lesion had mild tortuosity and moderate calcification.The device did not pass through a previously-deployed stent.Resistance was encountered when advancing the device past the lesion.An attempt was made to pull the stent back through the lesion when the stent became dislodged at the lesion site.The stent remains in the patient.No other patient complications were reported as a result of this event.
Additional Manufacturer Narrative
Additional information: annex d codes.Correction: the dislodged stent was not removed and the stent remains in the distal rca.No intervention was carried out.H8.Usage of device medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.

• Brand Name: ONYX FRONTIER
• Common Device Name: CORONARY DRUG-ELUTING STENT
• Manufacturer (Section D): MEDTRONIC IRELAND; parkmore business park west; galway ; EI
• Manufacturer (Section G): MEDTRONIC IRELAND; parkmore business park west; galway ; EI
• Manufacturer Contact: alison sweeney ; parkmore business park west; galway ; EI ; 091708096
• MDR Report Key: 24925348
• Report Number: 9612164-2026-02018
• Device Sequence Number: 15769827
• Product Code: NIQ
• UDI-Device Identifier: 00763000511227
• UDI-Public: (01)00763000511227(17)281210(10)0013184904(20)01
• Combination Product (Y/N): N
• Initial Reporter State: VA
• Initial Reporter Country: US
• PMA/510(K) Number: P160043
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2026
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 05/27/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Model Number: ONYXNG22522UX
• Device Catalogue Number: ONYXNG22522UX
• Device Lot Number: 0013184904
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 03/26/2026
• Supplement Date Received by Manufacturer: 05/18/2026
• Initial Report FDA Received Date: 04/20/2026
• Supplement Report FDA Received Date: 05/27/2026
• Date Device Manufactured: 12/11/2025
• 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
• Patient Sex: Unknown