FDA Adverse Event Malfunction Summary report: N

INRATIO

MDR report key: 1001208 · Received February 22, 2008

Report

Report Number
2954730-2008-00087
Event Type
Malfunction
Date Received
February 22, 2008
Date of Event
January 25, 2008
Report Date
February 22, 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: 1.7, LAB: 2.4, MEAN: 2.1, CONFIDENCE LIMITS: 1.4 - 3.1. DATE: 2008, INRATIO: 1.9, LAB: 2.4, MEAN: 2.2, CONFIDENCE LIMITS: 1.4 - 3.1. PER INTERNAL PROCEDURE, THE MEAN OF THE INRATIO METER AND COMPARATIVE SYS INR WERE CALCULATED. FOR BOTH DATA SETS, BOTH INRATIO AND LAB VALUES ARE WITHIN THE CONFIDENCE LIMITS. THE RESULTS ARE CONSIDERED NOT 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: 1.7, LAB: 2.4; DATE: 2008, INRATIO: 1.9, LAB: 2.4.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 INRATIO PROTHROMBIN TIME TEST JPA HEMOSENSE SJ KIT, PROFESSIONAL USER, ENGLISH 070472

Patients

Seq Age Sex Outcome Treatment
1