FDA Adverse Event Malfunction Summary report: N

HENRY-SCHEIN PRECISION TORQUE

MDR report key: 1821441 · Received August 27, 2010

Report

Report Number
2916440-2010-00002
Event Type
Malfunction
Date Received
August 27, 2010
Date of Event
July 22, 2010
Report Date
August 19, 2010
Manufacturer
LARES RESEARCH INC.
Product Code
EFB
PMA / PMN Number
K780038
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
PR, US
Reporter Occupation
DENTIST

Narratives

Additional Manufacturer Narrative · 1

EVAL; RESULTS: INDICATIONS ARE THAT THE USER DID NOT REALIZE (IDENTIFY) DEVICE CONDITION AND DISCONTINUE USE PRIOR TO CONTACT WITH PT TISSUE. CONCLUSIONS: THE PRIMARY CHUCK NUT FRACTURE WENT UNNOTICED AND SUBSEQUENT TIGHTENING EXPANDED THE REMAINING NUT RETENTION OUTSIDE DIAMETER TO A LEVEL OF STRAIN THAT PROMPTED A SECONDARY AND FINAL RETENTION SKIRT FRACTURE ALLOWING THE NUT QUADRANT TO DISLODGE FROM THE HANDPIECE. THE INTERIM RUBBING OF THE DAMAGED CHUCK NUT ON THE HEAD OPENING GENERATED THE HEAT THAT CONTACTED THE PT.

Description of Event or Problem · 1

(B)(4) - THE PIECE OF THE HANDPIECE THAT HOLDS THE BUR IN PLACE BROKE DURING USE AND BURNED THE PT'S CHEEK. THE BURN WAS VERY SMALL AND THE PT DID NOT REQUIRE MEDICAL ATTENTION.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 HENRY-SCHEIN PRECISION TORQUE HIGH-SPEED DENTAL HANDPIECE EFB LARES RESEARCH INC. 10056

Patients

Seq Age Sex Outcome Treatment
1