510(k) Report

510(k) · Cleared

Cleared

EQ-PEX

K210789510(k) TraditionalCleared Oct 20, 2021218-day reviewClass U

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Meta Systems Co., Ltd. · LQY Locator, Root Apex

Cleared on Oct 20, 2021 as substantially equivalent to K112508 (S-Denti Co., Ltd., 2012) after a 218-day review. Its family tree reaches back 3 generations to 2009.

Decided
Oct 20, 2021
Review
218 days
Class
Class U
Product code
LQY
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K083901 (2009). No later device cites it as a predicate yet.

  1. Root · 3 generations backK083901 Navi RootS-Denti Co., Ltd. · 2009
  2. 2 generations backK100450 I-ROOTS-Denti Co., Ltd. · 2010
  3. 1 generation backK112508 I-ROOT 100S-Denti Co., Ltd. · 2012
  4. This deviceK210789 EQ-PEXMeta Systems Co., Ltd. · 2021
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K083901Navi RootS-Denti Co., Ltd.2009—
−2K100450I-ROOTS-Denti Co., Ltd.2010—
−1K112508I-ROOT 100S-Denti Co., Ltd.2012—
0 (this device)K210789EQ-PEXMeta Systems Co., Ltd.2021—
FIG. 1 — Lineage of K210789, 2009–2021Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in LQY? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new LQY device

  1. #1 K252224 Apex Locator (FindPex)score 12.0 · 4 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K112508I-ROOT 100
Summary page 4
…or, Root Apex Classification Unclassified Panel: Dental Product Code LQY Predicate Device Information: [1] K112508 / I-ROOT 100 / S-Denti Co. Ltd. Device Description: EQ-PEX is Electronic Apex Locator and accessories to be used to treat of pat…
S-Denti Co., Ltd.2012—

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 12 years and passes through 2 companies; a new generation was cleared every 1.6 years on median.
  • None of the 3 ancestors has a recall.

How does its category compare?

All LQY devices

LQY Locator, Root Apex: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, this device’s year, is highlighted.

FDA decisions per year · LQY

2in 2025

2007: 22008: 22009: 22010: 32011: 22012: 22013: 12014: 12016: 12018: 22019: 12021: 22022: 12023: 12024: 12025: 22026 (partial year): 1
2007high 3 (2010) · low 0 (2015)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LQY

164in 2010

2010: 164 days median
2007high 164 (2010)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · LQY

No recall names LQY since 2007.

Adverse event reports per year · LQY

51in 2025

2008: 12009: 152010: 222011: 1402012: 592013: 22015: 592016: 1282017: 1332018: 1542019: 1632020: 1392021: 1072022: 632023: 562024: 812025: 51
2007high 163 (2019) · low 0 (2007)2025

MAUDE reports naming product code LQY, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20072—00
20082—01
20092—015
20103164022
20112—0140
20122—059
20131—02
20141—00
20150—059
20161—0128
20170—0133
20182—0154
20191—0163
20200—0139
20212—0107
20221—063
20231—056
20241—081
20252—051
20261—0—

What is it indicated for?

EQ-PEX is an Electronic Apex Locator designed for use in measuring the working length of root canals.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K210789: EQ-PEX.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K210789

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026