MAUDE Adverse Event Report: MEDTRONIC MEXICO S. DE R.L. DE CV HARMONY TRANSCATHETER PULMONARY VALVE; PULMONARY VALVE PROSTHESIS PERCUTANEOUSLY DELI

Model Number	HARMONY-25
Medical Device Problem Codes	Mechanics Altered (2984); Thickening of Material (4056)
Health Effect - Clinical Code	Insufficient Information (4580)
Date of Event	11/14/2025
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 approximately one year, one month, three weeks following the implant of a transcatheter pulmonary bioprosthetic valve, a computed tomography was performed and hypo attenuated leaflet thickening grade iii (50-75%) of the posterior and anterior leaflets was observed with severe reduced leaflet motion (70-99%) indicating hypoattenuation affecting motion.No patient symptoms or treatment were reported.
Event or Problem Description
Additional information received indicated that an echocardiogram performed identified a mean gradient of 9 millimeters of mercury (mm hg).The event was treated with concomitant medication, no further intervention reported.
Additional Manufacturer Narrative
Updated data: b2, b5, h1, h6 h1: new information supports the update from malfunction to serious injury due to treatment required.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
Updated data: b5, h6.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
Additional information received indicated that the computed tomography (ct) performed also noted patchy areas of grade 1 (25%) hyperattenuated leaflet thickening (halt) involving the anterior-right and anterior-facing leaflets with no significant reduced leaflet motion (relm).Pannus and paravalvular leak (pvl) were absent.

• Brand Name: HARMONY TRANSCATHETER PULMONARY VALVE
• Common Device Name: PULMONARY VALVE PROSTHESIS PERCUTANEOUSLY DELI
• Manufacturer (Section D): MEDTRONIC MEXICO S. DE R.L. DE CV; av. paseo del cucapah #10510; tijuana,bc 22210 ; MX 22210
• Manufacturer (Section G): MEDTRONIC MEXICO S. DE R.L. DE CV; av. paseo del cucapah #10510; tijuana,bc 22210 ; MX 22210
• Manufacturer Contact: alison sweeney ; parkmore business park west; galway ; EI ; 091708096
• MDR Report Key: 23789323
• Report Number: 9617601-2025-03420
• Device Sequence Number: 10453609
• Product Code: NPV
• UDI-Device Identifier: 00763000338992
• UDI-Public: (01)00763000338992(17)241129
• Combination Product (Y/N): N
• Initial Reporter State: OH
• Initial Reporter Country: US
• PMA/510(K) Number: P200046
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2024
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Study,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 04/22/2026

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 Expiration Date: 11/29/2024
• Device Model Number: HARMONY-25
• Device Catalogue Number: HARMONY-25
• 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: 11/20/2025
• Supplement Date Received by Manufacturer: 12/12/2025; 03/25/2026
• Initial Report FDA Received Date: 12/12/2025
• Supplement Report FDA Received Date: 01/07/2026; 04/22/2026
• Date Device Manufactured: 11/30/2023
• 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
• Concomitant Medical Products and Therapy/Usage Dates: NO
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 63 YR
• Patient Sex: Male
• Patient Weight: 92 KG
• Patient Ethnicity: Non Hispanic
• Patient Race: White