MAUDE Adverse Event Report: ST. JUDE MEDICAL, INC.(CRM-SUNNYVALE) UNIFY ASSURA CRT-D RF HV; IMPLANTABLE CARDIOVERTER DEFIBRILLATOR

Model Number CD3357-40Q

Device Problems Over-Sensing (1438); Pacing Inadequately (1442)

Patient Problem No Known Impact Or Consequence To Patient (2692)

Event Date 05/25/2017

Event Type  malfunction  

Event Description

It was reported that a patient presented via merlin.Net transmission.Upon reviewing the electrogram, the implantable cardioverter defibrillator exhibited noise causing myopotential inhibition.No intervention has been performed but reprogramming has been scheduled later.No patient symptoms have been reported and the patient will be monitored with routine follow-up.

Event Description

New information received: patient presented in clinic due to reoccurrence of the oversensing due to myopotential oversensing.The oversensing issue was not reproducible in the clinic.New programming changes were recommended.No further information available.

• Brand Name: UNIFY ASSURA CRT-D RF HV
• Type of Device: IMPLANTABLE CARDIOVERTER DEFIBRILLATOR
• Manufacturer (Section D): ST. JUDE MEDICAL, INC.(CRM-SUNNYVALE); 645 almanor avenue; sunnyvale CA 94085
• Manufacturer (Section G): ST. JUDE MEDICAL, INC.(CRM-SUNNYVALE); 645 almanor avenue; sunnyvale CA 94085
• Manufacturer Contact: denise johnson ; 5050 nathan lane north; plymouth, MN 55442 ; 6517564470
• MDR Report Key: 6730898
• MDR Text Key: 80622572
• Report Number: 2938836-2017-30574
• Device Sequence Number: 1
• Product Code: NIK
• Combination Product (y/n): N
• Reporter Country Code: US
• PMA/PMN Number: P970013
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: company representative,health
• Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date: 09/18/2017

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
• Device Operator: Health Professional
• Device Expiration Date: 11/30/2018
• Device Model Number: CD3357-40Q
• Device Catalogue Number: CD3357-40Q
• Device Lot Number: A000032737
• Other Device ID Number: 05414734508216
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Initial Date Manufacturer Received: 06/19/2017
• Initial Date FDA Received: 07/21/2017
• Supplement Dates Manufacturer Received: 08/23/2017
• Supplement Dates FDA Received: 09/18/2017
• Was Device Evaluated by Manufacturer?: Device Not Returned to Manufacturer
• Date Device Manufactured: 12/05/2016
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1
• Patient Age: 77 YR