ACCESS 2 IMMUNOASSAY SYSTEM
Report
- Report Number
- 2122870-2011-03432
- Event Type
- Malfunction
- Date Received
- September 9, 2011
- Report Date
- May 10, 2011
- Manufacturer
- BECKMAN COULTER, INC.
- Product Code
- JJE
- PMA / PMN Number
- K922823/A007
- Product Problem
- Yes
- Report Source
- Manufacturer report
- Reporter Location
- NY, US
- Reporter Occupation
- OTHER
Narratives
SAMPLES WERE COLLECTED IN 13X100MM PLASTIC LITHIUM HEPARIN PLASMA TUBES. SAMPLES WERE CENTRIFUGE FOR EIGHT MINS AT 3900 AT ROOM TEMP IN A SWINGING BUCKET CENTRIFUGE. QUALITY CONTROL (QC) WAS WITHIN THE CUSTOMER'S ESTABLISHED RANGES PRIOR TO AND AFTER THE EVENT. SPECIFIC QC DATA AND SYSTEM INFO WAS NOT SUPPLIED. ON (B)(4) 2010, THE FIELD SERVICE PERFORMED A HIGH SENSITIVITY SYSTEM CHECK WHICH PASSED WITHIN INSTRUMENT SPECIFICATIONS. PERFORMED A PRECISION TEST USING THE SAMPLES IN QUESTION; ALL TESTING PASSED WITHIN RANGE AND HAD LOW %CV (COEFFICIENT OF VARIATION). THERE WERE NO HARDWARE ISSUES IDENTIFIED. ROOT CAUSE WAS NOT DETERMINED. THIS REPORTABLE EVENT WAS IDENTIFIED DURING A RETROSPECTIVE REVIEW CONDUCTED BETWEEN (B)(4), 2008 AND (B)(4), 2010 OF COMPLAINTS FOR ADD'L REPORTABLE EVENTS. THIS MDR REPRESENTS EVENT 4 OF 4 REPORTED BY THIS CUSTOMER. THE RELATED MDRS THAT HAVE BEEN REPORTED ARE: MDR 2122870-2011-03429, 03430, 03431.
CUSTOMER REPORTED ERRONEOUS HIGH ACCU TNI (TROPONIN I) TEST RESULTS WERE OBTAINED FOR FOUR PT SAMPLES WHEN USING THE ACCESS 2 IMMUNOASSAY SYSTEM. THE ERRONEOUS HIGH TEST RESULTS WERE ABOVE THE NORMAL REFERENCE RANGE, AND BELOW THE AMI (ACUTE MYOCARDIAL INFARCTION) CUTOFF OF 0.50 NG/ML. TEST RESULTS FOR TWO OF THE FOUR WERE NOT REPORTED OUT OF THE LABORATORY. REPEAT ANALYSIS WAS PERFORMED. THE TEST RESULTS WERE WITHIN THE NORMAL RANGE. NO REPORTS OF DEATH OR SERIOUS INJURY AS A RESULT OF THIS EVENT. THIS IS EVENT 4 OF 4 EVENTS REPORTED BY THE CUSTOMER. THIS MDR IS CONCERNING PT #4. THE DATE OF TESTING AND TEST RESULTS WERE NOT PROVIDED. THE INITIAL ERRONEOUS TEST RESULTS WERE NOT REPORTED OUT OF THE LABORATORY.
Devices
| Seq | Brand | Generic | Product Code | Manufacturer | Model | Lot | UDI-DI |
|---|---|---|---|---|---|---|---|
| 1 | ACCESS 2 IMMUNOASSAY SYSTEM | JJE | BECKMAN COULTER, INC. | NA | NA |
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 | UNK | ACCESS ACCU TNI |