# K953867: Root Canal Length Measuring Device

- Pathway: 510(k) (Traditional)
- Applicant: J. Morita USA, Inc.
- Decided: Dec 1, 1995 after 106 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
No predicates in its family tree.
22 later devices descend from it; 3 cite it directly.
0 of 23 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

## Most influential descendants
- K972407: Root Apex Locator (1997), 16 descendants of its own
- K022020: Justwo Model Tme-601 Root Apex Locator (2002), 15 descendants of its own
- K032743: Apex NRG (2004), 7 descendants of its own
- K030526: Pediguard Nerve Detector System (2004), 6 descendants of its own
- K123390: Pediguard Nerve Detector System (2013), 5 descendants of its own

Source page: https://510kreport.com/device/K953867
Methodology: https://510kreport.com/methodology