FDA Adverse Event Malfunction Summary report: N

INRATIO

MDR report key: 1021026 · Received March 28, 2008

Report

Report Number
2954730-2008-00154
Event Type
Malfunction
Date Received
March 28, 2008
Date of Event
March 6, 2008
Report Date
March 27, 2008
Manufacturer
HEMOSENSE SJ
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 070563: FIRST TEST INR = 4.5, SECOND TEST INR = 5.5, MEAN = 5.0; SD = 0.7; %CV =14. 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. INRATIO PRECISION DATA PROVIDED BY END-USER LOT 070563: FIRST TEST INR = 3.1, SECOND TEST INR = 5, MEAN = 4.05, SD = 1.3, % CV = 33. THE % CV IS GREATER THAN 20%. PER INTERNAL PROCEDURE, THE PRECISION FAILED THE CRITERIA FOR PRECISION. PRODUCTS WILL BE TESTED.

Description of Event or Problem · 1

CALLER ALLEGED IMPRECISION WITH INRATIO METER. RESULTS AS FOLLOWS: FIRST TEST INR = 4.5, SECOND TEST INR = 5.5. FIRST TEST INR = 3.1, SECOND TEST INR = 5.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 INRATIO PROTHROMBIN TIME TEST JPA HEMOSENSE SJ BOXED STRIPS, 48 STRIPS, MULTIPAC 070563

Patients

Seq Age Sex Outcome Treatment
1