# K071133: Apexnrg-Blue Electronic Apex Locator

- Pathway: 510(k) (Traditional)
- Applicant: Medicnrg, Ltd.
- Decided: Sep 21, 2007 after 151 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: 5 generations back to K921979 (1993). 6 ancestors in all.
4 later devices descend from it; 2 cite it directly.
0 of 11 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K063843: Apexnrg XFR, Medicnrg, Ltd. (2007) Summary page 1.
- K032743: Apex NRG, Medicnrg, Ltd. (2004) Summary page 1.

## Most influential descendants
- K090598: Cariescan Pro (2009), 1 descendant of its own
- K080113: Apex Dal Electronic Apex Locator (2008), 1 descendant of its own
- K170822: Electronic Caries Detector (2017), 0 descendants of its own
- K101177: Apexnrg Rider (2010), 0 descendants of its own

## Indications for use
The ApexNRG-Blue 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/K071133
Methodology: https://510kreport.com/methodology