FDA Adverse Event Malfunction Summary report: N

INRATIO

MDR report key: 933454 · Received October 22, 2007

Report

Report Number
2954730-2007-00516
Event Type
Malfunction
Date Received
October 22, 2007
Date of Event
October 9, 2007
Report Date
October 17, 2007
Manufacturer
HEMOSENSE, INC.
Product Code
JPA
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
UNKNOWN

Narratives

Additional Manufacturer Narrative · 1

INRATIO PRECISION DATA PROVIDED BY END-USER LOT: 060452. FIRST TEST INR = 4.8. SECOND TEST INR = 4.9. MEAN = 4.9; SD = 0.07; %CV=1.46%. 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 ALLEGES IMPRECISION WITH INRATIO. RESULTS AS FOLLOWS: FIRST TEST INR = 4.8 SECOND TEST INR = 4.9.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 INRATIO PROTHROMBIN TIME TEST JPA HEMOSENSE, INC. 060452

Patients

Seq Age Sex Outcome Treatment
1 YR