FDA Adverse Event Malfunction Summary report: N

DEPTH GAUGE FOR 2.0MM AND 2.4MM SCREWS

MDR report key: 3163974 · Received June 12, 2013

Report

Report Number
2530088-2013-00912
Event Type
Malfunction
Date Received
June 12, 2013
Date of Event
May 15, 2013
Report Date
May 15, 2013
Manufacturer
SYNTHES BRANDYWINE
Product Code
HTJ
PMA / PMN Number
EXEMPT
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
FL, US
Reporter Occupation
HEALTH PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 1

DEVICE WAS USED FOR TREATMENT, NOT DIAGNOSIS. DEVICE IS AN INSTRUMENT AND IS NOT IMPLANTED/EXPLANTED. THE INVESTIGATION COULD NOT BE COMPLETED; NO CONCLUSION COULD BE DRAWN, AS NO PRODUCT WAS RECEIVED. A REVIEW OF THE DEVICE HISTORY RECORDS HAS BEEN REQUESTED.

Additional Manufacturer Narrative · 1

ADDITIONAL NARRATIVE: THE DEVICE HISTORY RECORD WAS REVIEWED AND NO ISSUES WERE FOUND DURING MANUFACTURE THAT WOULD CONTRIBUTE TO THIS COMPLAINT CONDITION. PLACEHOLDER.

Additional Manufacturer Narrative · 1

ADDITIONAL NARRATIVE: DEVICE WAS RETURNED FOR EVALUATION. A PRODUCT DEVELOPMENT EVENT EVALUATION WAS CONDUCTED. THE REPORT INDICATES THREE DEPTH GAUGES FOR 2.0MM AND 2.4MM SCREWS (PART #319.006) WERE RETURNED FOR EVALUATION. ONE RETURNED DEPTH GAUGE (LOT #4070014) WAS MANUFACTURED IN FEBRUARY 2000 AND IS OVER 13 YEARS OLD. ONE RETURNED DEPTH GAUGE (LOT #4239292) WAS MANUFACTURED IN MARCH 2001 AND IS OVER 12 YEARS OLD. ONE RETURNED DEPTH GAUGE (LOT #3958363) WAS MANUFACTURED IN JULY 1999 AND IS APPROXIMATELY 14 YEARS OLD. NO DAMAGE EXISTS TO TWO OF THE THREE RETURNED DEPTH GAUGES. THE NEEDLE HAS SHEARED OFF AT ITS BASE ON THE OTHER RETURNED DEPTH GAUGE. THE COMPLAINT CONDITION COULD NOT BE REPLICATED DURING THIS EVALUATION. BOTH DEVICES FUNCTIONED AS INTENDED. SPECIFICALLY, THE SLEEVE COMPONENT SLIDES ON THE DEPTH GAUGE BODY WITH SLIGHT FRICTION WHICH ALLOWS THE SLEEVE TO STAY IN POSITION AT THE PRECISE MEASURED LOCATION ON THE ETCHED SCALE ON THE BODY. THE NEEDLE BROKE AT THE INTERFACE WITH THE DEPTH GAUGE BODY. THE SPECIFICATION FOR THE THICKNESS OF THE NEEDLE (1.25 MM) IS DRIVEN BY THE FACT THAT THE NEEDLE MUST FIT INTO A DRILLED HOLE OF Ø1.5 MM, AND THE LENGTH (80 MM) IS DETERMINED SO THE SLIDER CAN MEASURE SCREWS UP TO 40 MM. THE MATERIAL OF THE NEEDLE PROBE COMPONENT (PART #319.006.03) IS EXTRA HARD (B)(4), WHICH IS AN APPROPRIATE MATERIAL FOR AN INSTRUMENT COMPONENT OF THIS TYPE. THE RISK ASSOCIATED WITH AN INSTRUMENT BREAKING OR BENDING EITHER DUE TO MATERIAL OR GEOMETRY IS ADEQUATELY ASSESSED IN THE RISK ANALYSIS FOR THE COMPACT HAND/MODULAR HAND SYSTEM. TO FURTHER REDUCE THE RISK OF ACCIDENTAL DAMAGE OR BREAKAGE, A PROTECTIVE SLEEVE IS INCLUDED WITH THE DEVICE THAT THREADS ONTO THE NOSE PIECE AND PROTECTS THE NEEDLE WHEN NOT IN USE. THE PROTECTION SLEEVE WAS NOT RETURNED WITH TWO OF THE THREE DEPTH GAUGES INCLUDING THE ONE DEPTH GAUGE WHERE THE NEEDLE BROKE OFF. THEREFORE, THE DAMAGE TO THE NEEDLE CAN BE RELATED TO NOT USING THE PROTECTION SLEEVE WHICH SOLE PURPOSE IS TO PROTECT THE NEEDLE FROM BREAKING OFF. ALL THREE OF THE RETURNED DEVICES ARE OVER 12 YEARS OLD. THE COMPLAINT CONDITION COULD NOT BE REPLICATED FOR TWO OF THEM, WHILE THE THIRD IS CONFIRMED TO HAVE A BROKEN NEEDLE BUT NO LONGER HAS THE PROTECTION SLEEVE WITH IT WHICH PROTECTS THE NEEDLE FROM BREAKING. THE DESIGN IS ADEQUATE FOR ITS INTENDED USE AND DID NOT CONTRIBUTE TO THIS COMPLAINT CONDITION.

Description of Event or Problem · 1

REPORTEDLY THREE (3) DEPTH GAUGE FOR 2.0MM AND 2.4MM SCREWS WERE AVAILABLE FOR A SURGERY ON (B)(6) 2013; HOWEVER THE INSTRUMENTS DID NOT FUNCTION AS INTENDED. IT WAS REPORTED THE FIRST DEPTH GAUGE (LOT # 4239292) WAS TOO LOOSE. THE SECOND DEPTH GAUGE (LOT #3958363) WOULD NOT SLIDE SMOOTHLY. IN ADDITION THE THIRD DEPTH GAUGE (LOT #4070014) WAS FOUND TO HAVE A BROKEN TIP. THE SURGEON WAS ABLE TO USE THE LOOSE DEPTH GAUGE TO COMPLETE THE PROCEDURE. APPROXIMATELY SIX MINUTES WAS ADDED TO THE PROCEDURE DUE TO THIS EVENT. THERE WAS NO PATIENT HARM REPORTED. THIS IS 2 OF 3 REPORTS FOR THE SAME EVENT, COMPLAINT (B)(4).

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
267120 DEPTH GAUGE FOR 2.0MM AND 2.4MM SCREWS HTJ SYNTHES BRANDYWINE 4070014

Patients

Seq Age Sex Outcome Treatment
1 16 YR