MAUDE Adverse Event Report: ST. JUDE MEDICAL, INC.(CRM-SYLMAR) UNIFY ASSURA ICD; IMPLANTABLE CARDIOVERTER DEFIBRILLATOR

Model Number	CD3257-40
Medical Device Problem Code	Over-Sensing (1438)
Health Effect - Clinical Code	No Known Impact Or Consequence To Patient (2692)
Date of Event	04/08/2020
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The results of the investigation are inconclusive since the device was not returned for analysis.Based on the information received, the cause of the reported incident could not be conclusively determined.
Event or Problem Description
It was reported that the asymptomatic patient presented remotely via merlin.Net with an alert of non-sustained right ventricular oversensing.It was noted that the implantable cardioverter defibrillator - icd exhibited post-paced t-wave oversensing.Programming changes were discussed.No intervention was performed.

• Brand Name: UNIFY ASSURA ICD
• Common Device Name: IMPLANTABLE CARDIOVERTER DEFIBRILLATOR
• Manufacturer (Section D): ST. JUDE MEDICAL, INC.(CRM-SYLMAR); 15900 valley view court; sylmar CA 91342
• MDR Report Key: 9963350
• Report Number: 2017865-2020-05053
• Device Sequence Number: 16329128
• Product Code: NIK
• UDI-Device Identifier: 05414734505628
• UDI-Public: 05414734505628
• Combination Product (Y/N): N
• Initial Reporter State: MI
• Initial Reporter Country: US
• PMA/510(K) Number: P030035
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2014
• Reporter Type: Manufacturer
• Report Source: health professional,user faci
• Initial Reporter Occupation: Nurse
• Type of Report: Initial
• Report Date (Section B): 04/15/2020

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: 04/30/2015
• Device Model Number: CD3257-40
• Device Catalogue Number: CD3257-40
• Device Lot Number: 4297376
• Was Device Available for Evaluation?: No
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/08/2020
• Initial Report FDA Received Date: 04/15/2020
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Patient Age: 88 YR