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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
Product CodeKMW
Regulation Number 872.4120
Device Class 2


Premarket Reviews
ManufacturerDecision
NAKANISHI INC.
  SUBSTANTIALLY EQUIVALENT 2
OSTEOMED
  SUBSTANTIALLY EQUIVALENT 1

MDR Year MDR Reports MDR Events
2014 12 12
2015 27 27
2016 13 13
2017 4 4
2018 16 16
2019 13 13
2020 13 13
2021 32 32
2022 54 54
2023 25 25
2024 20 20

Device Problems MDRs with this Device Problem Events in those MDRs
Overheating of Device 166 166
Temperature Problem 47 47
Nonstandard Device 33 33
Insufficient Information 21 21
Power Problem 9 9
Detachment of Device or Device Component 6 6
Break 5 5
Improper or Incorrect Procedure or Method 5 5
Adverse Event Without Identified Device or Use Problem 4 4
Mechanical Problem 4 4
Use of Device Problem 3 3
Device Operates Differently Than Expected 3 3
Maintenance Does Not Comply To Manufacturers Recommendations 3 3
Unintended Power Up 2 2
Inadequate Instructions for Healthcare Professional 2 2
Device Issue 2 2
Physical Property Issue 2 2
Noise, Audible 2 2
Device Fell 1 1
Intermittent Loss of Power 1 1
Unintended Electrical Shock 1 1
Appropriate Term/Code Not Available 1 1
Output Problem 1 1
Device Maintenance Issue 1 1
Failure to Deliver Energy 1 1
Failure to Power Up 1 1
Material Too Rigid or Stiff 1 1
Failure To Service 1 1
Smoking 1 1
Mechanical Jam 1 1
Vibration 1 1

Patient Problems MDRs with this Patient Problem Events in those MDRs
Burn(s) 121 121
Partial thickness (Second Degree) Burn 50 51
Burn, Thermal 46 47
Injury 36 36
Superficial (First Degree) Burn 30 30
Patient Problem/Medical Problem 22 22
No Clinical Signs, Symptoms or Conditions 13 13
Insufficient Information 11 11
Full thickness (Third Degree) Burn 9 9
No Known Impact Or Consequence To Patient 4 4
Peeling 3 3
Scarring 3 3
Swelling 2 2
Erythema 2 2
Unspecified Infection 1 1
Numbness 1 1
Tissue Damage 1 1
Burning Sensation 1 1
No Consequences Or Impact To Patient 1 1
Complaint, Ill-Defined 1 1
Abrasion 1 1
Nervous System Injury 1 1
Foreign Body In Patient 1 1
Electric Shock 1 1
Device Embedded In Tissue or Plaque 1 1
Blister 1 1
Unspecified Tissue Injury 1 1

Recalls
Manufacturer Recall Class Date Posted
1 Nakanishi Inc. II Oct-24-2018
2 Osteomed, LLC II Dec-06-2021
3 W&H DENTALWERK BUERMOOS GMBH II Feb-20-2024
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