|
Catalog Number 72200616S |
Device Problem
Overheating of Device (1437)
|
Patient Problem
No Consequences Or Impact To Patient (2199)
|
Event Date 01/01/1901 |
Event Type
malfunction
|
Manufacturer Narrative
|
Device investigation narrative - one service replacement powermax elite motor drive unit, part number 72200616s was received on march 27, 2017 and confirmed to be serial number (b)(4).
Complaint of overheating and motor stall error was confirmed.
Cause of overheating and errors is a corroded motor/gearbox.
The motor/gearbox was removed from the housing.
The gearbox was removed from motor.
The cable assembly and motor tested good.
The gearbox was found to be jammed and corroded internally.
A review of the manufacturing records shows that this unit was released to distribution on or about january 25, 2017.
The root cause of this event was identified to be associated with corrosion of the motor and gearbox assembly.
A motor stall condition will result in increased current draw from the control unit which will heat the motor and hand piece housing.
Factors which can contribute to gearbox corrosion include cleaning and sterilization methods and the chemicals involved.
A corrective action has been initiated to mitigate future recurrence of similar events.
(b)(4).
|
|
Event Description
|
It was reported that the mdu was getting hot and then quit working.
No patient or user impact was reported.
|
|
Search Alerts/Recalls
|
|
|