FDA Adverse Event Malfunction Summary report: N

CAPSUREFIX NOVUS

MDR report key: 3992644 · Received August 8, 2014

Report

Report Number
3008973940-2014-00327
Event Type
Malfunction
Date Received
August 8, 2014
Date of Event
May 16, 2014
Report Date
May 27, 2014
Manufacturer
MEDTRONIC SINGAPORE OPERATIONS
Product Code
DTB
PMA / PMN Number
P930039
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
NL
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

THIS EVENT OCCURRED OUTSIDE THE U.S WHERE THE SAME MODEL IS DISTRIBUTED. ALL INFORMATION PROVIDED IS INCLUDED IN THIS REPORT. PATIENT INFORMATION IS NOT GENERALLY AVAILABLE DUE TO CONFIDENTIALITY CONCERNS. CONCOMITANT PRODUCT: A3DR01 IPG, IMPLANTED: (B)(6) 2014. (B)(4).

Description of Event or Problem · 1

IT WAS REPORTED THAT DURING AN IMPLANT ATTEMPT OF AN IMPLANTABLE PULSE GENERATOR (IPG), THE TECHNICIAN NOTED INHIBITION OF PACING AND VENTRICULAR OVERSENSING DUE TO ARTIFACTS, WHICH WERE ONLY VISIBLE ON THE BIPOLAR CHANNEL BUT NOT THE UNIPOLAR CHANNEL. MANIPULATION OF THE POCKET SHOWED THE CAUSE OF THE ARTIFACTS WAS VENTRICULAR TACHYCARDIA (VT) - LIKE MORPHOLOGY. LEAD MEASUREMENTS WERE THEN TAKEN VIA THE PROGRAMMER, SHOWING VARYING MEASUREMENTS BETWEEN BIPOLAR AND UNIPOLAR. THE PACEMAKER WAS REMOVED AND THE LEAD PINS WERE CHECKED WITH NO PROBLEMS NOTED. THE LEADS WERE DISCONNECTED AND MEASURED AGAIN, SHOWING ACCEPTABLE R WAVES BUT LOWER P WAVES. THE THRESHOLDS AND IMPEDANCES WERE IN RANGE. A CONTACT ISSUE BETWEEN THE LEADS AND HEADER WAS SUSPECTED, SO THE PHYSICIAN ENSURED THE PINS WERE FULLY INSERTED AND THE SETSCREW COMPLETELY TIGHTENED. AS THE POCKET WAS BEING SOWN BACK UP, THE SAME ARTIFACTS AS BEFORE WERE SEEN ON THE ELECTROGRAM. THE PHYSICIAN ELECTED TO CONNECT THE LEADS TO A DIFFERENT IPG DUE TO THE VARYING R WAVES AND P WAVES. NO ARTIFACTS WERE NOTED WITH THE SECOND IPG, AND THE MEASUREMENTS WERE WITHIN RANGE. THE DEVICE WAS THEREFORE REPLACED, WHILE THE LEADS REMAIN IN USE. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
470836 CAPSUREFIX NOVUS ELECTRODE, PACEMAKER, PERMANENT DTB MEDTRONIC SINGAPORE OPERATIONS 5076-58

Patients

Seq Age Sex Outcome Treatment
1 5076-52 LEAD