MAUDE Adverse Event Report: Medtronic Ireland ONYX FRONTIER; CORONARY DRUG-ELUTING STENT

Model Number	ONYXNG25030UX
Medical Device Problem Codes	Device Dislodged or Dislocated (2923); Positioning Problem (3009)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	07/23/2026
Type of Reportable Event	Serious Injury
Event or Problem Description
During a procedure an attempt was made to use one onyx frontier coronary drug eluting stent when stent dislodgement occurred during removal following failed delivery.The device was inspected with no issues.Negative prep was not performed.The lesion was pre-dilated.The lesion being treated was a mildly tortuous, mildly calcified lesion located in the ostium of the left main (lm) coronary artery and circumflex (cx) artery.The device did pass through a previously-deployed stent.There was resistance encountered when advancing the device, and excessive force was not used during delivery.The stent was being delivered to the lesion site in the proximal cx artery when resistance was encountered.The stent was pulled out, and when it was pulled back it came off the balloon and got stuck in the patient in the lm and aorta.The stent was removed using a snare.No further patient complications were reported as a result of the event.
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.

• 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 ; +353(091)708096
• MDR Report Key: 50087362
• Report Number: 9612164-2026-03800
• Device Sequence Number: 9913156
• Product Code: NIQ
• UDI-Device Identifier: 00763000511333
• UDI-Public: (01)00763000511333(17)290205(10)0013279172(20)01
• Combination Product (Y/N): N
• Initial Reporter State: NJ
• Initial Reporter Country: US
• PMA/510(K) Number: P160043
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• 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): 09/14/2026

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: Health Professional
• Device Model Number: ONYXNG25030UX
• Device Catalogue Number: ONYXNG25030UX
• Device Lot Number: 0013279172
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 07/23/2026
• Supplement Date Received by Manufacturer: 07/30/2026; 09/09/2026
• Initial Report FDA Received Date: 07/30/2026
• Supplement Report FDA Received Date: 08/18/2026; 09/14/2026
• Date Device Manufactured: 02/06/2026
• 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 Age: 48 YR
• Patient Sex: Male