FDA Adverse Event Malfunction Summary report: N

COULTER LH750 HEMATOLOGY ANALYZER

MDR report key: 2180986 · Received July 1, 2011

Report

Report Number
1061932-2011-00691
Event Type
Malfunction
Date Received
July 1, 2011
Date of Event
April 29, 2009
Report Date
April 30, 2009
Manufacturer
BECKMAN COULTER, INC.
Product Code
GKZ
PMA / PMN Number
K061574
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
NJ, US
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

THIS REPORTABLE EVENT WAS IDENTIFIED DURING A RETROSPECTIVE REVIEW CONDUCTED FOR THE PERIOD BETWEEN (B)(4) 2008 AND (B)(4) 2010 OF COMPLAINTS FOR ADDITIONAL REPORTABLE EVENTS. THIS MDR IS FOR DAY 4 OF 5 FOR ANALYZER 1 OF 2. OTHER EVENTS IN THIS SERIES: MDR #1061932-2011-00688, DAY 1 OF 5 FOR ANALYZER 1 OF 2. 1061932-2011-00689, DAY 2 OF 5 FOR ANALYZER 2 OF 2. MDR #1061932-2011-00690, DAY 3 OF 5 FOR ANALYZER 2 OF 2. MDR #1061932-2011-00692, DAY 5 OF 5 FOR ANALYZER 1 OF 2. ANALYSIS OF THE RAW TEST DATA FOR THIS PT SAMPLE SHOWED AN ABNORMAL PATTERN WITH DOMINANT BLAST CELL POPULATION LOCATED IN THE MONOCYTE-NEUTROPHIL REGION. THE SOFTWARE ALGORITHM IN THE LH750 ANALYZER WAS NOT SENSITIVE ENOUGH TO DISTINGUISH THESE CELLS AS BLASTS, THUS A FLAG FOR BLAST CELLS WAS NOT TRIGGERED. THIS APPEARED TO BE A SAMPLE-SPECIFIC ISSUE AND FIELD SERVICE WAS NOT DISPATCHED TO THE SITE.

Description of Event or Problem · 1

THE CUSTOMER REPORTED THE LH750 HEMATOLOGY ANALYZER FAILED TO FLAG FOR THE PRESENCE OF BLAST CELLS IN ONE PT SAMPLE. THE ERRONEOUS RESULTS WERE REPORTED OUTSIDE OF THE LABORATORY. THE RESULTS WERE EITHER QUESTIONED BY THE TREATING PHYSICIAN OR REVIEWED BECAUSE OF OTHER ABNORMAL RESULTS. A MANUAL DIFFERENTIAL WAS PERFORMED AND 89% BLAST CELLS WERE OBSERVED. THE CUSTOMER BELIEVED THIS TO BE THE CORRECT RESULT. THERE WERE NO REPORTED CHANGES TO PT TREATMENT ASSOCIATED WITH THIS EVENT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 COULTER LH750 HEMATOLOGY ANALYZER GKZ BECKMAN COULTER, INC. NA NA

Patients

Seq Age Sex Outcome Treatment
1 UNK