FDA Adverse Event Malfunction Summary report: N

INRATIO

MDR report key: 1021488 · Received March 26, 2008

Report

Report Number
2954730-2008-00142
Event Type
Malfunction
Date Received
March 26, 2008
Date of Event
February 26, 2008
Report Date
March 24, 2008
Manufacturer
HEMOSENSE SJ,
Product Code
JPA
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

DISCREPANT RESULTS (ACCURACY) COMPARISON OF INRATIO TEST WITH LAB RESULTS PROVIDED BY END-USER AT TIME COMPLAINT WAS FILED. PER INTERNAL PROCEDURE, THE MEAN OF THE INRATIO METER AND COMPARATIVE SYSTEM INR WERE CALCULATED. FOR ALL 4 DATA SETS, BOTH INRATIO AND LAB VALUES ARE WITHIN THE CONFIDENCE LIMITS FOR INR TESTING. THE RESULTS ARE NOT CONSIDERED DISCREPANT WITHIN THE CONTEXT OF THE DOCUMENTED VARIABILITY FOR INR TESTING. THEREFORE FURTHER TESTING IS NOT REQUIRED AT THIS TIME.

Description of Event or Problem · 1

CALLER ALLEGES INACCURACY WITH INRATIO. RESULTS AS FOLLOWS: DATE: 2008; INRATIO: 2.6, 2.5, 3.4, 2.6; LAB: 3.47, 5.69, 4.48, 5.52.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 INRATIO PROTHROMBIN TIME TEST JPA HEMOSENSE SJ, KIT, PROFESSIONAL USER, ENGLISH 070381

Patients

Seq Age Sex Outcome Treatment
1