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	Over-Sensing (1438); Low impedance (2285)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	02/12/2026
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that the patient was in the intensive care unit (icu) and multiple ventricular tachycardia (vt) episodes were observed in the ventricular fibrillation (vf) zone, premature ventricular contractions (pvc)s triggered torsades treated successfully with shock.The episode report stated the securesense algorithm inhibited therapy due to noise on the right ventricular (rv) lead, but no lead noise was logged.The noise also could not be reproduced and all impedance dropped.The patient was recovering.

• 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: 24511207
• Report Number: 2017865-2026-04561
• Device Sequence Number: 9870324
• Product Code: NVY
• UDI-Device Identifier: 05414734503167
• UDI-Public: (01)05414734503167(10)3469043(17)140831
• Combination Product (Y/N): Y
• Initial Reporter Country: CA
• PMA/510(K) Number: P950022
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2011
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,User Facility,Company Representative
• Initial Reporter Occupation: Nurse
• Type of Report: Initial
• Report Date (Section B): 03/04/2026

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: 08/31/2014
• Device Model Number: 7121Q/58
• Device Lot Number: 3469043
• 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: 02/13/2026
• Initial Report FDA Received Date: 03/04/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 08/15/2011
• 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
• Patient Sex: Unknown