FDA Adverse Event Injury Summary report: N

PHILOS DR

MDR report key: 1033752 · Received April 25, 2008

Report

Report Number
1028232-2008-00446
Event Type
Injury
Date Received
April 25, 2008
Date of Event
January 23, 2008
Report Date
March 27, 2008
Manufacturer
BIOTRONIK GMBH AND CO
Product Code
DXY
PMA / PMN Number
P950037
Adverse Event
Yes
Report Source
Manufacturer report
Reporter Location
GM
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

A DISTAL PART OF THE THIRD-PARTY LEAD WAS ATTACHED TO THE PACEMAKER'S VENTRICULAR PLUG. THE LEAD ATTACHMENT SCREW HAD NOT BEEN FULLY TIGHTENED. THE DISTAL LEAD PIECE WAS REMOVED. THE VENTRICULAR LEAD ATTACHMENT SCREW COULD BE EASILY SCREWED IN AND OUT. CONTACT WEAR ON THE LOWER SIDE OF THE LEAD ATTACHMENT SCREW COULD BE DETECTED. THIS IS AN INDICATION THAT THIS PART OF THE LEAD PLUG HAD CONTACT AT LEAST ONCE, AS PER THE INTENDED USE. THE ANALYSIS REVEALED BODY FLUID RESIDUE WITHIN THE LEAD CONNECTOR INPUTS. IN SPITE OF THE FLUID, THE TEST LEADS COULD BE RELIABLY CONTACTED. DURING THE INITIAL INTAKE TEST, IT WAS DETERMINED THAT THE PACEMAKER WAS PROGRAMMED TO DDD MODE WITH A RATE OF 60 PPM. ATRIAL PULSE AMPLITUDE WAS 2.5 V AND 0.4 MS. THE VENTRICLE WAS PROGRAMMED TO A PULSE AMPLITUDE OF 6.0 V WITH A PULSE WIDTH OF 1 MS. BOTH CHANNELS HAD BIPOLAR SENSING AND PACING POLARITIES PROGRAMMED. A FULL PACEMAKER FUNCTION TEST WAS PERFORMED AND NO DISCREPANCIES COULD BE FOUND. PACEMAKER PACING AND SENSING FUNCTIONS WERE TESTED. THERE WERE NO DEFECTS IN THE PACING AND SENSING. A BIPOLAR TEST LEAD WAS ALSO SUCCESSFULLY CONTACTED AND BIPOLAR PACING WAS MEASURED WITHOUT ANY INTERMITTENT INTERRUPTIONS IN CONTACT. THE THIRD-PARTY DISTAL LEAD PIECE WAS ELECTRICALLY TESTED. THE IMPEDANCE OF THE LEAD WAS CONSTANT. NO SHORT-CIRCUIT BETWEEN THE LEADS WAS FOUND. THE LEAD SHOWED VARYING IMPEDANCE. THE LEAD WAS RETURNED TO THE MFR FOR FURTHER TESTING. IN SUMMARY, THE PACEMAKER ANALYSIS RESULTS DO NOT INDICATE A MATERIALS OR MANUFACTURING DEFECT. THE PACEMAKER IS WITHIN ALL SPECIFICATIONS.

Description of Event or Problem · 1

AFTER AN IMPLANTATION TIME OF APPROX. 14 MONTHS, AN EXIT BLOCK WAS REPEATEDLY REPORTED. THE EXIT BLOCK CAUSED PT SYNCOPE. THE PACEMAKER WAS SUBMITTED WITH A THIRD-PARTY LEAD. THE PHYSICIAN CONFIRMED THE EXIT BLOCK WHEN THE LEAD WAS UNDER MECHANICAL TENSION DURING AN INSPECTION.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 PHILOS DR PACEMAKER DXY BIOTRONIK GMBH AND CO 122450

Patients

Seq Age Sex Outcome Treatment
1 UNK Hospitalization