FDA Adverse Event Malfunction Summary report: N

INRATIO

MDR report key: 983705 · Received January 18, 2008

Report

Report Number
2954730-2008-00017
Event Type
Malfunction
Date Received
January 18, 2008
Date of Event
December 28, 2007
Report Date
January 15, 2008
Manufacturer
HEMOSENSE, INC.
Product Code
JPA
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

INRATIO PRECISION DATA PROVIDED BY END USER LOT 070491/070510: FIRST TEST INR= 4.9 SECOND TEST INR=3.3. THIRD TEST INR=4.7 FOURTH TEST INR = 5.0 MEAN = 4.5; SD = 0.87, % CV = 19.4% . THE % CV IS LESS THAN OR EQUAL TO 20%. PER INTERNAL PROCEDURE, THE PRECISION PASSES THE CRITERIA FOR PRECISION. THE TEST IS CONSIDERED PRECISE AND NO FURTHER TESTING IS REQUIRED AT THIS TIME.

Description of Event or Problem · 1

CALLER ALLEGED IMPRECISION WITH INRATIO METER. RESULTS AS FOLLOWS: FIRST TEST INR = 4.9. SECOND TEST INR= 3.3. THIRD TEST INR=4.7. FOURTH TEST INR = 5.0.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 INRATIO PROTHROMBIN TIME TEST JPA HEMOSENSE, INC. 070491

Patients

Seq Age Sex Outcome Treatment
1