MAUDE Adverse Event Report: ST. JUDE MEDICAL, INC.(CRM-SYLMAR) DURATA STS OPTIM ACTIVE FIXATION, DF-4 CONNECTOR; PERMANENT DEFIBRILLATOR ELECTRODES

Model Number	7121Q/58
Medical Device Problem Codes	Failure to Capture (1081); High impedance (1291); Incorrect Interpretation of Signal (1543); Inappropriate/Inadequate Shock/Stimulation (1574); Low impedance (2285)
Health Effect - Clinical Code	Discomfort (2330)
Date of Event	01/13/2026
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that a patient presented to the emergency room with discomfort with inappropriate shock due to incorrect interpretation of signal.High pacing impedance and low defibrillation impedance was noted.When reassessed, the pacing impedance was stable.Additional loss of capture was noted.The patient was admitted to the hospital.No additional information regarding additional intervention or adverse patient consequences was reported.

• Brand Name: DURATA STS OPTIM ACTIVE FIXATION, DF-4 CONNECTOR
• Common Device Name: PERMANENT DEFIBRILLATOR ELECTRODES
• Manufacturer (Section D): ST. JUDE MEDICAL, INC.(CRM-SYLMAR); 15900 valley view court; sylmar CA 91342
• Manufacturer (Section G): ST. JUDE MEDICAL, INC.(CRM-SYLMAR); 15900 valley view court; sylmar CA 91342
• Manufacturer Contact: navpreet singh ; 15900 valley view court; sylmar, CA 91342
• MDR Report Key: 24241535
• Report Number: 2017865-2026-02216
• Device Sequence Number: 18437532
• Product Code: NVY
• UDI-Device Identifier: 05414734503167
• UDI-Public: (01)05414734503167(10)4208699(17)140831
• Combination Product (Y/N): Y
• Initial Reporter State: TX
• Initial Reporter Country: US
• PMA/510(K) Number: P950022
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2014
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional,User Facility,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 04/29/2026

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: 08/31/2014
• Device Model Number: 7121Q/58
• Device Lot Number: 4208699
• 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: 01/13/2026
• Supplement Date Received by Manufacturer: 04/29/2026
• Initial Report FDA Received Date: 02/02/2026
• Supplement Report FDA Received Date: 04/29/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 08/18/2013
• 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: UNIFY ASSURA.
• Outcome Attributed to Adverse Event: Other
• Patient Age: 62 YR
• Patient Sex: Male