MAUDE Adverse Event Report: MEDTRONIC EUROPE SARL COBALT¿ HF CRT-D MRI SURESCAN¿; DEFIBRILLATOR, AUTOMATIC IMPLANTABLE CARDIOVERTER, WITH CARDIAC RESYNCHRONIZATIO

Model Number	DTPB2D1
Medical Device Problem Codes	Premature Discharge of Battery (1057); Delayed Charge Time (2586)
Health Effect - Clinical Code	Hypokalemia (4825)
Date of Event	06/02/2025
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Continuation of d10: 457453 lead implanted: (b)(6) 2012.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 within a one week time period, the patient received over one hundred appropriate shocks from their cardiac resynchronization therapy defibrillator (crt-d) due to hypokalemia.A review of the device data by qualified personnel determined that the device experienced rapid battery depletion and reached end of service (eos) due to excessive charge time.In addition, a lead integrity alert (lia) triggered on the right ventricular (rv) lead due to high rate non-sustained (hrns) episodes and sensing integrity counter (sic).The crtd was explanted and replaced.The lead remains in use.No patient complications have been reported as a result of this event.
Additional Manufacturer Narrative
Product event summary: the device was returned and analyzed.Analysis of the device revealed normal battery depletion.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: COBALT¿ HF CRT-D MRI SURESCAN¿
• Common Device Name: DEFIBRILLATOR, AUTOMATIC IMPLANTABLE CARDIOVERTER, WITH CARDIAC RESYNCHRONIZATIO
• Manufacturer (Section D): MEDTRONIC EUROPE SARL; route du molliau 31; case postale; tolochenaz vaud 1131 ; SZ 1131
• Manufacturer (Section G): MEDTRONIC EUROPE SARL; route du molliau 31; case postale; tolochenaz vaud 1131 ; SZ 1131
• Manufacturer Contact: gerard torenvliet ; 8200 coral sea st ne; mounds view, MN 55112-4391 ; 7635269277
• MDR Report Key: 22360080
• Report Number: 9614453-2025-02509
• Device Sequence Number: 8705753
• Product Code: NIK
• UDI-Device Identifier: 00763000178222
• UDI-Public: (01)00763000178222(17)240914(20)01
• Combination Product (Y/N): N
• Initial Reporter State: MN
• Initial Reporter Country: US
• PMA/510(K) Number: P010031
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2024
• Device Explanted Year: 2025
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 07/24/2025

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: 09/14/2024
• Device Model Number: DTPB2D1
• Device Catalogue Number: DTPB2D1
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 06/20/2025
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 06/05/2025
• Supplement Date Received by Manufacturer: 07/02/2025
• Initial Report FDA Received Date: 06/30/2025
• Supplement Report FDA Received Date: 07/24/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 03/22/2023
• 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: 693558 LEAD, 419678 LEAD, 6996SQ58 LEAD
• Outcome Attributed to Adverse Event: Required Intervention; Hospitalization
• Patient Age: 61 YR
• Patient Sex: Male
• Patient Weight: 68 KG