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U.S. Department of Health and Human Services

TPLC - Total Product Life Cycle

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Device handpiece, rotary bone cutting
Regulation Description Bone cutting instrument and accessories.
Product CodeKMW
Regulation Number 872.4120
Device Class 2


Premarket Reviews
ManufacturerDecision
NAKANISHI, INC.
  SUBSTANTIALLY EQUIVALENT 1

MDR Year MDR Reports MDR Events
2020 13 13
2021 32 32
2022 54 54
2023 25 25
2024 49 49
2025 24 24

Device Problems MDRs with this Device Problem Events in those MDRs
Overheating of Device 157 157
Nonstandard Device 20 20
Temperature Problem 14 14
Power Problem 11 11
Detachment of Device or Device Component 7 7
Break 3 3
Mechanical Problem 2 2
Unintended Power Up 2 2
Material Fragmentation 2 2
Output Problem 1 1
Unintended Electrical Shock 1 1
Insufficient Information 1 1
Vibration 1 1
Failure to Power Up 1 1
Use of Device Problem 1 1
Adverse Event Without Identified Device or Use Problem 1 1
Fracture 1 1
Intermittent Loss of Power 1 1

Patient Problems MDRs with this Patient Problem Events in those MDRs
Burn(s) 98 98
Partial thickness (Second Degree) Burn 57 57
Superficial (First Degree) Burn 25 25
No Clinical Signs, Symptoms or Conditions 19 19
Insufficient Information 11 11
Full thickness (Third Degree) Burn 5 5
Burn, Thermal 3 3
Patient Problem/Medical Problem 2 2
Injury 2 2
Erythema 2 2
Swelling 2 2
Electric Shock 1 1
Scarring 1 1
Blister 1 1
No Known Impact Or Consequence To Patient 1 1
Burning Sensation 1 1
Foreign Body In Patient 1 1
Numbness 1 1
Unspecified Tissue Injury 1 1
No Consequences Or Impact To Patient 1 1
Device Embedded In Tissue or Plaque 1 1

Recalls
Manufacturer Recall Class Date Posted
1 Osteomed, LLC II Dec-06-2021
2 W&H DENTALWERK BUERMOOS GMBH II Feb-20-2024
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