FDA Adverse Event Malfunction Summary report: N

ACCU-CHEK ® COMPACT TEST DRUM

MDR report key: 1841940 · Received September 23, 2010

Report

Report Number
1823260-2010-05639
Event Type
Malfunction
Date Received
September 23, 2010
Date of Event
September 20, 2010
Report Date
October 7, 2010
Manufacturer
ROCHE DIAGNOSTICS
Product Code
LFR
PMA / PMN Number
K031755
Removal / Correction Number
NA
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
MS, US
Reporter Occupation
PATIENT

Narratives

Description of Event or Problem · 1

CUSTOMER REPORTEDLY RECEIVED RESULTS OF 293 MG/DL AND 143 MG/DL WITHIN 10 MINUTES ON THE COMPACT PLUS SYSTEM. NO ACTIONS TAKEN BASED ON DEVICE RESULTS. NO ADVERSE EVENT REPORTED. REQUESTED RETURN OF SUSPECT DEVICE AND REPLACEMENT WAS SENT.

Description of Event or Problem · 1

THE FIELD APPLICATION SPECIALIST REPORTED THE USER RECEIVED QUESTIONABLE SODIUM RESULTS FOR ONE PATIENT SAMPLE FROM THE INTEGRA 800 SERIAL NUMBER (B)(4). THE ORIGINAL RESULT WAS 128 MMOL/L. THE SAMPLE WAS REPEATED ON THE SAME ANALYZER WITH RESULTS OF 133, 131, 127, 127, 126, AND 127 MMOL/L. THE SAMPLE WAS REPEATED ON THE SAME ANALYZER IN A SAMPLE CUP WITH RESULTS OF 132, 127, 127, 127 AND 127 MMOL/L. THE SAMPLE WAS THEN REPEATED ON INTEGRA 800 SERIAL NUMBER (B)(4) WITH RESULTS OF 132, 132, 132, 132 AND 132 MMOL/L. THE PATIENT WAS NOT TREATED BASED ON THE ORIGINAL RESULT AS IT WAS NOT REPORTED OUTSIDE THE LABORATORY. THE RESULT OF 132 MMOL/L FROM ANALYZER (B)(4) WAS REPORTED OUTSIDE THE LABORATORY. THE FIELD SERVICE REPRESENTATIVE DETERMINED THERE WAS A DEFECTIVE SODIUM ELECTRODE AND FOUND A "BUMP" OF MATERIAL NEXT TO THE FLOW PATH HOLE ON THE ELECTRODE. THIS BUMP LOOKED TO BE PLASTIC OR A GLUE OF SOME SORT. WHEN THE O-RING FROM THE ADJOINING ELECTRODE WOULD PRESS AGAINST THIS ELECTRODE, THE BUMP WOULD NOT CREATE A GOOD SEAL CAUSING LEAKAGE. HE REPLACED THE ELECTRODE AND THE MIX TOWER AND CHECKED THE ISE OPERATION, HE VERIFIED THE ANALYZER OPERATION BY RUNNING ISE PERFORMANCE CHECKS, CALIBRATION, QUALITY CONTROL AND A PRECISION CHECK. THE FIELD APPLICATION SPECIALIST COULD NOT DETERMINE A CAUSE. SHE VERIFIED THE CALIBRATION AND QUALITY CONTROL RESULTS AND EXAMINED THE SAMPLE. SHE FOUND THE SAMPLE WAS FREE OF FIBRIN, DEBRIS, HEMOLOSIS, LIPEMIA AND ICTERUS. PRECISION TESTING, CALIBRATION AND QUALITY CONTROL WERE ALL ACCEPTABLE AND THE ANALYZER WAS OPERATING AS EXPECTED AND WITHIN SPECIFICATIONS.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 ACCU-CHEK ® COMPACT TEST DRUM BLOOD GLUCOSE MONITORING TEST STRIPS LFR ROCHE DIAGNOSTICS NA 20726642

Patients

Seq Age Sex Outcome Treatment
1 053 YR CAPTOPRIL| PRAVASTATIN ONCE DAILY| MULTIVITAMIN| LOVAZA| "FLUID PILL" ONCE DAILY| GLIPIZIDE ONCE DAILY| METFORMIN TWICE DAILY