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

Model Number	ONYXNG25015UX
Medical Device Problem Codes	Device Damaged by Another Device (2915); Device Dislodged or Dislocated (2923)
Health Effect - Clinical Codes	Device Embedded In Tissue or Plaque (3165); No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	07/31/2025
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
It was reported that during delivery of the onyx frontier stent to a lesion in the left main and circumflex arteries at the ostium and proximal locations, the stent became dislodged while passing through the struts of another previously-deployed stent in the plad and left main artery.The dislodged stent was not removed and remains in the patient.The device was inspected prior to use with noissues found, and the lesion was pre-dilated.Negative prep was not performed.  resistance was encountered during advancement, but no excessive force was used.The device did pass through a previously-deployed stent.The stent was slowly inflated because a wire remained in place.No patient complications have been reported as a result of this event.
Additional Manufacturer Narrative
Additional information: the previously deployed stent was not damaged.The device was implanted/expanded.The onyx frontier delivery system was used to impl ant the device.Correction: -annex d code added 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.
Additional Manufacturer Narrative
Additional information: the onyx frontier stent was not implanted at the exact intended location.Annex d and e codes.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: STENT, CORONARY, DRUG-ELUTING
• 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: 22709285
• Report Number: 9612164-2025-03812
• Device Sequence Number: 21150724
• Product Code: NIQ
• UDI-Device Identifier: 00763000511296
• UDI-Public: (01)00763000511296(17)280308(10)0012707747(20)01
• Combination Product (Y/N): N
• Initial Reporter State: CO
• Initial Reporter Country: US
• PMA/510(K) Number: P160043
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2025
• 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,Followup
• Report Date (Section B): 09/24/2025

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: ONYXNG25015UX
• Device Catalogue Number: ONYXNG25015UX
• Device Lot Number: 0012707747
• 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: 07/31/2025
• Supplement Date Received by Manufacturer: 08/07/2025; 09/02/2025
• Initial Report FDA Received Date: 08/04/2025
• Supplement Report FDA Received Date: 09/02/2025; 09/24/2025
• Date Device Manufactured: 03/09/2025
• 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
• Patient Sequence Number: 1
• Patient Sex: Unknown