# K090925: Multiple (Apex Locator), Model RCM-7

- Pathway: 510(k) (Traditional)
- Applicant: J. Morita USA, Inc.
- Decided: Nov 23, 2009 after 235 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: 6 generations back to K951425 (1995). 13 ancestors in all.
2 later devices descend from it; 2 cite it directly.
0 of 16 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K921979: Root ZX, J. Morita USA, Inc. (1993) Summary page 2.
- K953867: Root Canal Length Measuring Device, J. Morita USA, Inc. (1995) Summary page 2.
- K071190: Root ZX II, J. Morita USA, Inc. (2007) Summary page 2.

## Most influential descendants
- K151274: Dr's Finder (2016), 1 descendant of its own
- K171867: Dr’s Finder NEO (2018), 0 descendants of its own

## Indications for use
RCM-7 is a dental device, Apex Locator. It can be used to detect the apex of root canal.

Source page: https://510kreport.com/device/K090925
Methodology: https://510kreport.com/methodology