Cleared Traditional

K073678 - VARIOSURG

K073678 is the FDA 510(k) clearance for VARIOSURG by Nakanishi, Inc.. It is a Class 2 Dental device (product code DZI) cleared through the Traditional 510(k) pathway after a 195-day FDA review.

K073678 · Nakanishi, Inc. · Dental device
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Jul 2008
Decision
195d
Days
Class 2
Risk

K073678 is an FDA 510(k) clearance for the VARIOSURG. Classified as Drill, Bone, Powered (product code DZI), Class II - Special Controls.

Submitted by Nakanishi, Inc. (Washington, US). The FDA issued a Cleared decision on July 10, 2008 after a review of 195 days - an extended review cycle.

This device falls under the Dental FDA review panel, regulated under 21 CFR 872.4120 - the FDA dental device regulatory framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Dental review framework, consistent with the majority of Class II 510(k) submissions.

View all Nakanishi, Inc. devices

Submission Details

510(k) Number K073678 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received December 28, 2007
Decision Date July 10, 2008
Days to Decision 195 days
Submission Type Traditional
Review Panel Dental (DE)
Summary Statement
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
68d slower than avg
Panel avg: 127d · This submission: 195d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code DZI Drill, Bone, Powered
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 872.4120
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most Dental devices follow this clearance model.

Regulatory Peers - DZI Drill, Bone, Powered

All 23
Devices cleared under the same product code (DZI) and FDA review panel - the closest regulatory comparables to K073678.
PIEZOSURGERY TOUCH, PIEZOSURGERY WHITE
K171958 · Mectron S.P.A. · Jan 2018
SYNTHES 90 DEGREE SCREWDRIVER
K082649 · Synthes (Usa) · Apr 2009
STRAUMANN GUIDED INSTRUMENTS
K082532 · Straumann USA · Oct 2008
MICROPOWER HAND PIECE: ORAL MAX HIGH SPEED DRILL
K060270 · Linvatec Corp. · Apr 2006
POWERPRO PNEUMATIC SYSTEM, MODELS PRO6150, PRO6175, PRO6185
K032607 · Linvatec Corp. · Nov 2003
STRYKER TOTAL PERFORMANCE (TPS) SYSTEM
K032117 · Stryker Instruments · Aug 2003