MAUDE Adverse Event Report: ST. JUDE MEDICAL, INC.(CRM-SYLMAR) TENDRIL SDX LEAD; PERMANENT PACEMAKER ELECTRODE

Model Number	1688TC/40
Medical Device Problem Codes	High impedance (1291); Over-Sensing (1438); Pacing Problem (1439)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	08/11/2021
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 patient's right atrial (ra) lead had high pacing impedance and was oversensing noise leading to inappropriate automatic mode switch (ams).The patient was asymptomatic.No intervention was performed.The patient was stable throughout.

• Brand Name: TENDRIL SDX LEAD
• Common Device Name: PERMANENT PACEMAKER ELECTRODE
• Manufacturer (Section D): ST. JUDE MEDICAL, INC.(CRM-SYLMAR); 15900 valley view court; sylmar CA 91342
• MDR Report Key: 12388365
• Report Number: 2017865-2021-29345
• Device Sequence Number: 17128598
• Product Code: NVN
• UDI-Device Identifier: 05414734504812
• UDI-Public: 05414734504812
• Combination Product (Y/N): Y
• Initial Reporter State: CA
• Initial Reporter Country: US
• PMA/510(K) Number: P960013
• 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: health professional,user faci
• Initial Reporter Occupation: Nurse
• Type of Report: Initial
• Report Date (Section B): 08/30/2021

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: 09/30/2013
• Device Model Number: 1688TC/40
• Device Catalogue Number: 1688TC-40
• Device Lot Number: 3217836
• 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: 08/11/2021
• Initial Report FDA Received Date: 08/30/2021
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Patient Age: 73 YR