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U.S. Department of Health and Human Services

MAUDE Adverse Event Report: KAVO DENTAL GMBH COMFORTDRIVE 200XDR DENTAL ELECTRICAL HANDPIECE

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KAVO DENTAL GMBH COMFORTDRIVE 200XDR DENTAL ELECTRICAL HANDPIECE Back to Search Results
Model Number 200XDR
Device Problem Overheating of Device (1437)
Patient Problem Burn, Thermal (2530)
Event Date 10/02/2019
Event Type  malfunction  
Manufacturer Narrative
During the repair of the product an analysis has been carried out. During a short test run the heat up was reproducible. The power consumption was out of specification which showed already that the bearings have been running stiff / gritty. This caused higher friction and hence heat up of the product. After disassembling of the product, it got visible that the push button had a groove worn into it which indicates that it has been pressed during use. This causes high friction and hence quick heat up of the device. Root cause is that the handpiece gets used to retract soft tissue from treatment area. To avoid such issues the user instruction contains already several notes, warnings and requests how to prepare the handpiece for each treatment and how to use it: warning: hazards for the care provider and the patient. In the case of damage, irregular running noise, excessive vibration, untypical warming or when the cutter or grinder cannot be held. Do not use further and notify service. Caution: burning hazard from hot instrument head or hot instruments cover. If the instrument overheats, burns may arise in the oral area. Never contact soft tissue with the instrument head or instrument cover. The following guidelines must be observed to ensure save use of the electrically driven contra-angle handpieces: the service instructions for contra-angle handpieces must be precisely following when using kavo spray or quattrocare care systems. Before each use, the contra-angle handpiece must be checked for external damage. Before each use, perform a test run with the contra-angle handpiece, and watch for atypical heating and unusual noise and vibration. Immediately stop using contra-angle handpieces that act unusual. Never press the pushbutton during operation. This also includes lifting the cheek or tongue! to ensure proper function, the medical device must be set up according to the reprocessing methods described in the kavo instructions for use, and the care products and care systems described therein must be used. Kavo recommends specifying a service interval at the dental office for a licensed shop to clean, service and check the functioning of the medical device. This service interval depends on the frequency of use and should be adjusted accordingly. (b)(4).
 
Event Description
During a crown prep to tooth# 23,24,25 and 26, the patient was burned on lower lip to the size of 21 x 6mm. The area was directly cooled with an ice pack and some benzodent ointment was applied. Patient received an otc drug to control pain.
 
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Brand NameCOMFORTDRIVE 200XDR
Type of DeviceDENTAL ELECTRICAL HANDPIECE
Manufacturer (Section D)
KAVO DENTAL GMBH
bismarckring 39
biberach / riss, 88400
GM 88400
Manufacturer (Section G)
KAVO DENTAL GMBH
bismarckring 39
biberach / riss, 88400
GM 88400
Manufacturer Contact
klaus reisenauer
bismarckring 39
biberach / riss, 88400
GM   88400
MDR Report Key9254465
MDR Text Key191852180
Report Number3003637274-2019-00038
Device Sequence Number1
Product Code EKX
Combination Product (y/n)N
Reporter Country CodeUS
PMA/PMN Number
K080677
Number of Events Reported1
Summary Report (Y/N)N
Report Source Manufacturer
Source Type health professional,user faci
Reporter Occupation Dentist
Type of Report Initial
Report Date 10/30/2019
1 Device was Involved in the Event
0 Patients were Involved in the Event:
Date FDA Received10/30/2019
Is this an Adverse Event Report? No
Is this a Product Problem Report? Yes
Device Operator
Device Model Number200XDR
Device Catalogue Number10073570
Was Device Available for Evaluation? Device Returned to Manufacturer
Date Returned to Manufacturer10/07/2019
Is the Reporter a Health Professional? Yes
Was the Report Sent to FDA?
Event Location No Information
Date Manufacturer Received10/02/2019
Was Device Evaluated by Manufacturer? Yes
Date Device Manufactured04/29/2011
Is the Device Single Use? No
Is This a Reprocessed and Reused Single-Use Device? No
Type of Device Usage Reuse

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