510(k) Report

510(k) · Cleared

Cleared

Apex Locator

K231990510(k) TraditionalCleared Feb 13, 2024223-day reviewClass U

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

Cefla S.C. · LQY Locator, Root Apex

Cleared on Feb 13, 2024 as substantially equivalent to K181087 (Guilin Woodpecker Medical Instrument Co., Ltd., 2018) after a 223-day review. Its family tree reaches back 4 generations to 1999.

Decided
Feb 13, 2024
Review
223 days
Class
Class U
Product code
LQY
Recalls
None
Predicates
1

Its longest line of descent runs back 4 generations to K992233 (1999). No later device cites it as a predicate yet.

  1. Root · 4 generations backK992233 Apex Locator Bingo-1020Dent Corp. Research & Development · 1999
  2. 3 generations backK111474 Bingo ProForum Engineering Technologies (96), Ltd. · 2011
  3. 2 generations backK131907 Raypex 6Dentsply International, Inc. · 2014
  4. 1 generation backK181087 Apex Locator, DPEX IIIGuilin Woodpecker Medical Instrument Co., Ltd. · 2018
  5. This deviceK231990 Apex LocatorCefla S.C. · 2024
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K992233Apex Locator Bingo-1020Dent Corp. Research & Development1999—
−3K111474Bingo ProForum Engineering Technologies (96), Ltd.2011—
−2K131907Raypex 6Dentsply International, Inc.2014—
−1K181087Apex Locator, DPEX IIIGuilin Woodpecker Medical Instrument Co., Ltd.2018—
0 (this device)K231990Apex LocatorCefla S.C.2024—
FIG. 1 — Lineage of K231990, 1999–2024Source: 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
*K181087Apex Locator, DPEX III
Summary page 6
…igh-Tech Zone Guilin City, CN 541004Owner/Operator: W&H Establishment Operations: Manufacturer 510 (k): K181087 Device Name: APEX LOCATOR DPEX III Applicant: Guilin Woodpecker Medical Instrument C…
Guilin Woodpecker Medical Instrument Co., Ltd.2018—

Also cleared against K181087: 1 other device →

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 25 years and passes through 5 companies; a new generation was cleared every 5.2 years on median.
  • None of the 4 ancestors has a recall.
  • 1 other device also cites its predicate K181087.

How does its category compare?

All LQY devices

LQY Locator, Root Apex: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, 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?

APEX LOCATOR is a device intended for locating the apex of the root canal during endodontic treatments.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K231990: Apex Locator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K231990

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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