FDA Adverse Event Malfunction Summary report: N

INRATIO

MDR report key: 1012837 · Received March 11, 2008

Report

Report Number
2954730-2008-00110
Event Type
Malfunction
Date Received
March 11, 2008
Date of Event
February 11, 2008
Report Date
March 10, 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: DATE: 2008; INRATIO: 1.8; LAB: 14.0; MEAN: 7.9; CONFIDENCE LIMITS: CANNOT BE DETERMINED. PER INTERNAL PROCEDURE, THE MEAN OF THE INRATIO METER AND COMPARATIVE SYSTEM INR WERE CALCULATED. THE READINGS ARE CONSIDERED INACCURATE BASED ON "AREA OUTSIDE THE ACCEPTANCE REGION" TABLE. THE RESULTS ARE CONSIDERED DISCREPANT WITHIN THE CONTEXT OF THE DOCUMENTED VARIABILITY FOR INR TESTING. THEREFORE FURTHER TESTING IS REQUIRED AT THIS TIME. STRIP LOT# WAS NOT AVAILABLE, THEREFORE FURTHER TESTING CANNOT BE PERFORMED. ADD'L MODEL# 48 STRIPS, MULTIPACK.

Description of Event or Problem · 1

CALLER ALLEGES INACCURACY WITH INRATIO. RESULTS AS FOLLOWS: DATE: 2008; INRATIO: 1.8; LAB: 14.0.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 INRATIO PROTHROMBIN TIME TEST JPA HEMOSENSE SJ BOXED STRIPS NI

Patients

Seq Age Sex Outcome Treatment
1