MAUDE Adverse Event Report: MEDTRONIC MEXICO S. DE R.L. DE CV NC EUPHORA RX; CATHETERS, TRANSLUMINAL CORONARY ANGIOPLASTY,

Model Number	NCEUP3520X
Medical Device Problem Codes	Deflation Problem (1149); Difficult to Remove (1528)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	09/30/2025
Type of Reportable Event	Serious Injury
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 a procedure involving one nc euphora coronary balloon, balloon deflation difficulties occurred.The balloon failed to deflate in mid left anterior descending (lad) artery and the patient had to go to surgery for removal of the device.The device was stuck inflated.Bypass was performed.The target lesion exhibited moderate tortuosity and moderate calcification with 80 to 85% long calcified.The device was inspected prior to use and negative prep was performed with no issues noted.The lesion was pre-dilated.The device did not pass through a previously-deployed stent.Resistance was not encountered when advancing the device.Excessive force was not used during delivery.Patient is doing well.No further patient complications have been reported as a result of this event.
Additional Manufacturer Narrative
Additional information: annex d code.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
Correction: annex f code.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 balloon failed to deflate in the proximal/mid left anterior descending (lad) artery and was unable to be removed.There were no difficulties noted during the device inflation.Deflation difficulties occurred after the first inflation at 12atm.The patient remained hemodynamically stable and conscious.The patient received a balloon pump and was transported emergently to another hospital for surgical removal of the balloon.The balloon was safely and completely removed from the patient.During the same surgery the patient ended up having successful coronary bypass following the balloon removal.It was not difficult to remove the protective sheath/stylette. the device was not moved or repositioned while inflated.A 50/50 conc entration of contrast/saline was used.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
Correction: balloon deflation difficulties occurred during post dilation.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: NC EUPHORA RX
• Common Device Name: CATHETERS, TRANSLUMINAL CORONARY ANGIOPLASTY,
• Manufacturer (Section D): MEDTRONIC MEXICO S. DE R.L. DE CV; av. paseo cucapah 10510 el lag; tijuana baja california,mx 22570 ; MX 22570
• Manufacturer (Section G): MEDTRONIC MEXICO S. DE R.L. DE CV; av. paseo cucapah 10510 el lag; tijuana baja california,mx 22570 ; MX 22570
• Manufacturer Contact: alison sweeney ; parkmore business park west; galway ; EI ; 091708096
• MDR Report Key: 23308247
• Report Number: 9612164-2025-05108
• Device Sequence Number: 5789116
• Product Code: LOX
• UDI-Device Identifier: 00643169396326
• UDI-Public: (01)00643169396326(17)270530(10)231456703
• Combination Product (Y/N): N
• Initial Reporter State: MI
• Initial Reporter Country: US
• PMA/510(K) Number: K141090
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Other,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup,Followup,Followup,Followup
• Report Date (Section B): 02/27/2026

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?: Yes
• Operator of Device: Health Professional
• Device Model Number: NCEUP3520X
• Device Catalogue Number: NCEUP3520X
• Device Lot Number: 231456703
• 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: 10/02/2025
• Supplement Date Received by Manufacturer: 11/04/2025; 11/25/2025; 10/02/2025; 11/04/2025
• Initial Report FDA Received Date: 10/16/2025
• Supplement Report FDA Received Date: 11/14/2025; 12/03/2025; 12/05/2025; 02/27/2026
• Date Device Manufactured: 05/30/2025
• 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
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 64 YR
• Patient Sex: Female
• Patient Weight: 77 KG