# K201993: E-connect S Endo Motor with built-in Apex Locator

- Pathway: 510(k) (Traditional)
- Applicant: Changzhou Sifary Medical Technology Co., Ltd.
- Decided: Jan 29, 2021 after 196 days
- Product code: EKX (Handpiece, Direct Drive, Ac-Powered)
- 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: 2 generations back to K970339 (1997). 2 ancestors in all.
4 later devices descend from it; 2 cite it directly.
0 of 7 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K170275: Tri Auto ZX2, J. Morita USA, Inc. (2017) Summary page 4.

## Most influential descendants
- K220829: Endo Motor (2023), 2 descendants of its own
- K252223: Alpha Endo Handpiece (Alpha Endo) (2025), 0 descendants of its own
- K243692: EnDrive (EnDriveUS) (2025), 0 descendants of its own
- K222548: Endo Motor (2023), 0 descendants of its own

## Indications for use
E-connect S is a cordless endodontic treatment motorized handpiece with root canal measuring capability. It can be used to enlarge canals while monitoring the position of the file tip inside the canal. It can be used as a low-speed motorized handpiece and device for measuring canal length. This device must only be used in hospital environments, clinics or dental offices by qualified dental personnel.

Source page: https://510kreport.com/device/K201993
Methodology: https://510kreport.com/methodology
