MAUDE Adverse Event Report: Abbott Medical (CRM-Sylmar) Unify Assura CRT-D RF HV; Defibrillator, Automatic Implantable Cardioverter, With Cardiac Resynchronization (Crt-D)

Model Number	CD3357-40C
Medical Device Problem Codes	Failure to Deliver Shock/Stimulation (1133); Incorrect Interpretation of Signal (1543)
Health Effect - Clinical Code	Arrhythmia (1721)
Date of Event	08/19/2026
Type of Reportable Event	Serious Injury

• Brand Name: Unify Assura CRT-D RF HV
• Common Device Name: Defibrillator, Automatic Implantable Cardioverter, With Cardiac Resynchronization (Crt-D)
• Manufacturer (Section D): Abbott Medical (CRM-Sylmar); 15900 valley view court; sylmar CA 91342
• Manufacturer (Section G): Abbott Medical (CRM-Sylmar); 15900 valley view court; sylmar CA 91342
• Manufacturer Contact: navpreet singh ; 15900 valley view court; sylmar, CA 91342
• MDR Report Key: 50782226
• Report Number: 2017865-2026-19614
• Device Sequence Number: 21186106
• Product Code: NIK
• UDI-Device Identifier: 05414734508186
• UDI-Public: (01)05414734508186(10)A000089166(17)211130
• Combination Product (Y/N): N
• Initial Reporter State: WI
• Initial Reporter Country: US
• PMA/510(K) Number: P030054
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2020
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,User Facility,Company Representative
• Initial Reporter Occupation: Nurse
• Type of Report: Initial
• Report Date (Section B): 09/15/2026

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 Expiration Date: 11/30/2021
• Device Model Number: CD3357-40C
• Device Catalogue Number: CD3357-40C
• Device Lot Number: A000089166
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 08/26/2026
• Initial Report FDA Received Date: 09/15/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 11/07/2019
• 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: Other
• Patient Age: 89 YR
• Patient Sex: Female