FDA Adverse Event Malfunction Summary report: N

KNIFE

MDR report key: 1230805 · Received November 6, 2008

Report

Report Number
2523835-2008-00005
Event Type
Malfunction
Date Received
November 6, 2008
Report Date
October 1, 2008
Manufacturer
ALCON PRECISION DEVICE - SINKING SPRING
Product Code
HNN
PMA / PMN Number
NA
Removal / Correction Number
NA
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
NH, US
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

A VISUAL INSPECTION WAS PERFORMED ON THE RETURNED OPENED SAMPLE AND FOUND TO BE NONCONFORMING FOR A DAMAGED TIP AND CUTTING EDGE. PENETRATION AND SHARPNESS TESTING WERE NOT PERFORMED, DUE TO THE DAMAGED CONDITION OF THE SAMPLE. THE BLADE (EAR) WIDTH WAS MEASURED AND FOUND TO BE CONFORMING FOR THE MEASUREMENT SPECIFICATIONS. QA WAS UNABLE TO DETERMINE HOW STRIPPED DESCEMETS OCCURRED. THE BLADE WIDTH WAS MEASURED AND FOUND TO BE CONFORMING. QA WAS UNABLE TO DETERMINE HOW OR WHEN THE BLADE BECAME DAMAGED. ALL KNIVES ARE 100% INSPECTED BY TRAINED OPERATORS. ANY DEFECTS, SUCH AS THE DAMAGED TIP AND CUTTING EDGE EXHIBITED ON THE RETURNED OPENED SAMPLE, WOULD BE CULLED FROM THE LOT AND SCRAPPED. PENETRATION AND SHARPNESS TESTING ARE PERFORMED AND MONITORED DURING THE FINISHING PROCESS TO ENSURE THE FUNCTIONAL QUALITY OF THE PRODUCT.

Description of Event or Problem · 1

SURGEON REPORTED SEVERAL OCCURRENCES WHERE THE BLADE WAS VERY INCONSISTENT, AND HAS STRIPPED DESCEMETS. ADDITIONAL INFORMATION WAS RECEIVED ON 10/08/2008. THE SURGEON INDICATED THAT ALL PATIENTS' OUTCOMES WERE GOOD AND NO VISUAL DISTURBANCE OR LONG TERM COMPLICATION RESULTED. THE SURGEON STATED THAT NO PATIENT IDENTIFIERS / INFORMATION WOULD BE PROVIDED. THE SURGEON STATED THAT HER PRIMARY CONCERN IS THAT THE KNIFE SHARPNESS IS NOT ALWAYS CONSISTENT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 KNIFE MANUAL OPHTHALMIC SURGICAL INSTRUMENT HNN ALCON PRECISION DEVICE - SINKING SPRING 8065983065 UNK

Patients

Seq Age Sex Outcome Treatment
1