# K203706: Dental Electric Motor

- Pathway: 510(k) (Traditional)
- Applicant: Guilin Woodpecker Medical Instrument Co., Ltd.
- Decided: Jan 13, 2022 after 391 days
- Product code: EBW (Controller, Foot, Handpiece And Cord)
- Device class: 1
- Regulation: 21 CFR 872.4200
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 3 generations back to K032572 (2003). 3 ancestors in all.
No later device cites it as a predicate yet.
0 of 4 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K163131: A-dec NLZ Electric Motor System, Nakanishi, Inc. (2017) Summary page 5.

## Indications for use
The MT2 dental electric motor consists of main unit, motor, motor tail, power adapter and power cord. It is intended for use in general dental applications such as: cutting a tooth for cavity preparation, crown preparation, crown finishing, inlay, filing, polishing, prophylaxis and endodontic treatment. The Dental Electric Motor can be used with ISO E-type a straight, right-angle or contra-angle handpiece attachment of equal, gear-reducing, or gear increasing speed. The contra-angle handpieces (model:WJ-15, WJ-15L) are driven by a micro-motor to rotate at a specified speed, so as to drive the dental bur. It is applicable to drilling and grinding in dental surgery.

Source page: https://510kreport.com/device/K203706
Methodology: https://510kreport.com/methodology