MAUDE Adverse Event Report: MEDTRONIC, INC. UNIPOLAR, EPICARDIAL, OVAL PATCH LEAD, DF1; DEFIBRILLATOR, AUTOMATIC IMPLANTABLE CARDIOVERTER

Model Number	6721S-50
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Medical device site infection (4845)
Date of Event	06/17/2025
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that the cardiac resynchronization therapy defibrillator (crt-d) system was explanted due to a pocket infection.The patient was treated with intravenous antibiotics and the device system was replaced six days later on the left side.No further patient complications have been reported as a result of this event.
Additional Manufacturer Narrative
Continuation of d10: product id 6721s-50 lot# serial# (b)(6), implanted: (b)(6) 2023, explanted: (b)(6) 2025, product id 4968-60, lot# serial# (b)(6), implanted: (b)(6) 2023, explanted: (b)(6) 2025, product id 4968-60, lot# serial# (b)(6), implanted: (b)(6) 2023, explanted: (b)(6) 2025, product id dtpa2q1, lot# serial# (b)(6), implanted: (b)(6) 2023, explanted: (b)(6) 2025, 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
Product event summary: the proximal portion of the lead was returned, analyzed, and no anomalies were found.Visual analysis of the lead indicated apparent explant damage.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: UNIPOLAR, EPICARDIAL, OVAL PATCH LEAD, DF1
• Common Device Name: DEFIBRILLATOR, AUTOMATIC IMPLANTABLE CARDIOVERTER
• Manufacturer (Section D): MEDTRONIC, INC.; 8200 coral sea street ne; mounds view MN 55112
• Manufacturer (Section G): MEDTRONIC, INC.; 8200 coral sea street ne; mounds view MN 55112
• Manufacturer Contact: gerard torenvliet ; 8200 coral sea st ne; mounds view, MN 55112-4391 ; 7635269277
• MDR Report Key: 22472654
• Report Number: 2182208-2025-03343
• Device Sequence Number: 14521061
• Product Code: LWS
• UDI-Device Identifier: 00681490148818
• UDI-Public: (01)00681490148818(17)240720
• Combination Product (Y/N): N
• Initial Reporter State: ME
• Initial Reporter Country: US
• PMA/510(K) Number: P900061
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2023
• Device Explanted Year: 2025
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 08/01/2025

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: Lay User/Patient
• Device Expiration Date: 07/20/2024
• Device Model Number: 6721S-50
• Device Catalogue Number: 6721S-50
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 06/24/2025
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 06/17/2025
• Supplement Date Received by Manufacturer: 07/14/2025
• Initial Report FDA Received Date: 07/10/2025
• Supplement Report FDA Received Date: 08/01/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 08/31/2022
• 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: "SEE H11...."
• Outcome Attributed to Adverse Event: Required Intervention; Hospitalization
• Patient Age: 43 YR
• Patient Sex: Female