# K101177: Apexnrg Rider

- Pathway: 510(k) (Traditional)
- Applicant: Medicnrg, Ltd.
- Decided: Oct 8, 2010 after 164 days
- Product code: LQY (Locator, Root Apex)
- Device class: U
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 7 generations back to K921979 (1993). 8 ancestors in all.
No later device cites it as a predicate yet.
0 of 9 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K080113: Apex Dal Electronic Apex Locator, Medicnrg, Ltd. (2008) Summary page 1.

## Indications for use
The ApexNRG Rider is indicated for the measurement of the length of the root. canals and related dental procedures, for use by a trained professional in general dentistry.

Source page: https://510kreport.com/device/K101177
Methodology: https://510kreport.com/methodology