MAUDE Adverse Event Report: MEDTRONIC PUERTO RICO VILLALBA SPRINT QUATTRO MRI SURESCAN; DEFIBRILLATOR, AUTOMATIC IMPLANTABLE CARDIOVERTER

Model Number	6946M55
Medical Device Problem Codes	High impedance (1291); Impedance Problem (2950); High Capture Threshold (3266)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/27/2025
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 the right ventricular (rv) lead exhibited a high capture threshold.It was also reported that the lead triggered an alert due to high out of range (oor) pacing impedance.It was noted that the pacing impedance measurements are rising.The lead remains in use.No patient complications have been reported as a result of this 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.
Event or Problem Description
It was later reported that the lead was partially explanted and replaced.
Additional Manufacturer Narrative
Product event summary: the proximal portion of the lead was returned, analyzed, and no anomalies were found.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: SPRINT QUATTRO MRI SURESCAN
• Common Device Name: DEFIBRILLATOR, AUTOMATIC IMPLANTABLE CARDIOVERTER
• Manufacturer (Section D): MEDTRONIC PUERTO RICO VILLALBA; road 149 km 56.3; villalba PR 00766
• Manufacturer (Section G): MEDTRONIC PUERTO RICO VILLALBA; road 149 km 56.3; villalba PR 00766
• Manufacturer Contact: gerard torenvliet ; 8200 coral sea st ne; mounds view, MN 55112-4391 ; 7635269277
• MDR Report Key: 22047142
• Report Number: 2649622-2025-13557
• Device Sequence Number: 8899372
• Product Code: LWS
• UDI-Device Identifier: 00643169335561
• UDI-Public: (01)00643169335561(17)180816(21)TDN006504V
• Combination Product (Y/N): N
• Initial Reporter State: WI
• Initial Reporter Country: US
• PMA/510(K) Number: P920015
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2018
• Device Explanted Year: 2025
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 08/12/2025

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?: Yes
• Operator of Device: Lay User/Patient
• Device Expiration Date: 08/16/2018
• Device Model Number: 6946M55
• Device Catalogue Number: 6946M55
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 05/01/2025
• Supplement Date Received by Manufacturer: 06/19/2025; 07/21/2025
• Initial Report FDA Received Date: 05/19/2025
• Supplement Report FDA Received Date: 07/10/2025; 08/12/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 10/07/2016
• 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: DVFB1D4 ICD
• Outcome Attributed to Adverse Event: Hospitalization; Required Intervention
• Patient Age: 69 YR
• Patient Sex: Male
• Patient Weight: 94 KG