FDA Adverse Event Malfunction Summary report: N

SERACLONE ANTI-JKA

MDR report key: 2527066 · Received June 16, 2009

Report

Report Number
9610824-2009-00003
Event Type
Malfunction
Date Received
June 16, 2009
Date of Event
May 1, 2009
Report Date
June 10, 2009
Manufacturer
BIOTEST MEDICAL DIAGNOSTICS GMBH
Product Code
KSZ
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
RI, US
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

SUMMARY: THE RETENTION SAMPLES AND THE COMPLAINT SAMPLES OF CUSTOMERS REACTED CORRECTLY. THE TRANSPORT WAS PERFORMED COMPLYING WITH ALL LIMITATIONS. WE HAVE NO HINT THAT SOMETHING HAPPENED TO THE REAGENT. WE KNOW THAT TIME OF CENTRIFUGATION HAS TO BE KEPT AND THAT THE RESUSPENDING OF THE RED CELLS AFTER CENTRIFUGATION HAS TO BE DONE VERY CAREFULLY. THEREFORE, WE ASSUME A PROBLEM OF HANDLING AT CUSTOMER'S SIDE. OUR TESTS IN THE QUALITY CONTROL LABORATORIUM CONFIRM THE CORRECT FUNCTION OF THE REAGENT. CORRECTIVE ACTION: ALL US CUSTOMERS WILL BE RETRAINED TO COMPLY WITH THE TESTING PROCEDURE AS DOCUMENTED IN THE INSTRUCTIONS FOR USE.

Description of Event or Problem · 1

COMPLAINT TESTING (B)(4), FALSE NEGATIVE REACTIONS WITH BLOOD GROUPING REAGENT ANTI-JK(A) ART. -NO. 808179100, LOT 7838140-01. THE RETENTION SAMPLE OF THE COMPLAINED LOT WAS TESTED IN THE QUALITY CONTROL LABORATORIUM ACCORDING TO THE INSTRUCTIONS FOR USE. THE TESTING WAS PERFORMED WITH 4 DIFFERENT EDTA PLASMA (3 X JK (A+B-) AND 1 X JK (A-B+) AS NEGATIVE CONTROL) AND THE PATIENT SAMPLE JK (A+B-) OF THE CUSTOMER. IN ALL CASES THE JK(A) POSITIVE RED CELLS REACTED CORRECTLY AND STRONG POSITIVE. THE REACTION STRENGTH WERE 3+ POSITIVE AT MINIMUM, THE JK (A-B+) RED CELL AS NEGATIVE CONTROL REACTED UNAMBIGUOUSLY NEGATIVE. THE COMPLAINT SAMPLE OF THE CUSTOMER AND THE RETENTION SAMPLE OF OUR SUBSIDIARY WERE TESTED IN PARALLEL TO OUR QC RETENTION SAMPLE. ALL REAGENTS WERE TESTED IN A TWOFOLD SERIAL DILUTION AND SHOWED COMPLETELY CONFORM RESULTS. THEREFORE, WE CAN NOT CONFIRM THE COMPLAINT. WE KNOW IT IS VERY IMPORTANT TO FOLLOW THE INSTRUCTION FOR USE, ESPECIALLY THE SPECIFICATIONS OF CENTRIFUGATION: 60 S AT 1000 X G. IF THE TIME OF CENTRIFUGATION IS SHORTER THAN 60 SECONDS THERE MAY OCCUR ONLY WEAK OR EVEN FALSE NEGATIVE REACTIONS WITH JK(A) POSITIVE RED CELLS. A REVIEW OF THE BATCH RECORD DOCUMENTATION SHOWED THAT THE LOT PASSED THE FINAL SEROLOGICAL CONTROL PROBLEM-FREE. DURING THE STABILITY TESTING THERE WERE PERFORMED TRANSPORT SIMULATION DATA FOR THIS PRODUCT. THE EXISTING DATA OF TRANSPORTATION PROOF THE KEEPING OF THE CONDITIONS.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 SERACLONE ANTI-JKA SERACLONE KSZ BIOTEST MEDICAL DIAGNOSTICS GMBH 7838140-01

Patients

Seq Age Sex Outcome Treatment
1