FDA Adverse Event Malfunction Summary report: N

SCREW-IN

MDR report key: 1926168 · Received December 14, 2010

Report

Report Number
2649622-2010-14205
Event Type
Malfunction
Date Received
December 14, 2010
Date of Event
June 9, 2010
Manufacturer
MEDTRONIC PUERTO RICO, INC.
Product Code
DTB
PMA / PMN Number
K940703
Removal / Correction Number
ASKU
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
NY, US
Reporter Occupation
HEALTH PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 1

THE INFORMATION SUBMITTED REFLECTS ALL RELEVANT DATA RECEIVED. IF ADDITIONAL RELEVANT INFORMATION IS RECEIVED, A SUPPLEMENTAL REPORT WILL BE SUBMITTED.

Description of Event or Problem · 1

IT WAS REPORTED THAT THE ATRIAL LEAD POLARITY SWITCHED FROM BIPOLAR TO UNIPOLAR, DUE TO LOW IMPEDANCE. IT WAS ALSO NOTED THAT THE LEAD IMPEDANCE IN UNIPOLAR CONFIGURATION WAS HIGHER THAN IN BIPOLAR, AND MULTIPLE ATRIAL HIGH RATE EPISODES WERE COLLECTED BY THE DEVICE AFTER THE LEAD POLARITY SWITCHED TO UNIPOLAR. THE LEAD REMAINS 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
1 SCREW-IN IMPLANTABLE PACING LEAD DTB MEDTRONIC PUERTO RICO, INC. 4558M ASKU

Patients

Seq Age Sex Outcome Treatment
1 84 YR Other (B)(4) IMPLANTABLE PULSE GENERATOR| (B)(4) IMPLANTABLE PACING LEAD