VarioSurg 4

FDA 510(k) K254163 · Nakanishi, Inc.

Substantially Equivalent

510(k) numberK254163

Submission

Device name
VarioSurg 4
Applicant
Nakanishi, Inc.
Kanuma, JP
Received
December 22, 2025
Decision date
December 23, 2025
Decision
Substantially Equivalent (SESE)
Type
Traditional 510(k)
Summary
510(k) summary available from FDA
Third-party review
Yes

Official FDA 510(k) record

Device classification

Product code
DZI – Drill, Bone, Powered
Device class
Class II (moderate risk)
Regulation
21 CFR 872.4120
Specialty
Dental

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Questions and answers

When was VarioSurg 4 cleared by the FDA?

VarioSurg 4 (K254163) received a 510(k) decision of Substantially Equivalent on December 23, 2025, 1 days after the submission was received.

What is the product code of K254163?

The FDA product code is DZI – Drill, Bone, Powered, a Class II (moderate risk) device regulated under 21 CFR 872.4120.