510(k) Report

510(k) · Cleared

Cleared

Swerv Magnetostrictive Ultrasonic Scaler System

K100401510(k) TraditionalCleared Mar 30, 201042-day reviewClass II21 CFR 872.4850

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

Hu-Friedy Mfg. Co., Inc. · ELC Scaler, Ultrasonic

Cleared on Mar 30, 2010 as substantially equivalent to K970123 (Dentsply Intl., 1997) and 1 other predicate after a 42-day review. Its family tree reaches back 2 generations to 1987.

Decided
Mar 30, 2010
Review
42 days
Class
Class II
Product code
ELC
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to K864996 (1987). 4 ancestors in all, the oldest K834283 (1984). No later device cites it as a predicate yet.

Other ancestors, by generation 1 generation back: 1 other ancestor2 generations back: 1 other ancestor K970123 · Dentsply Cavitron SPS Scaler System · Dentsply Intl. · 1997K864996 · Ultrasonic Scaler 3000/ Prophy-Jet 30/ Cavi-Jet 30 · Dentsply Intl. · 19870
  1. Root · 2 generations backK864996 Ultrasonic Scaler 3000/ Prophy-Jet 30/ Cavi-Jet 30Dentsply Intl. · 1987
  2. 1 generation backK970123 Dentsply Cavitron SPS Scaler SystemDentsply Intl. · 1997
  3. This deviceK100401 Swerv Magnetostrictive Ultrasonic Scaler SystemHu-Friedy Mfg. Co., Inc. · 2010
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K864996Ultrasonic Scaler 3000/ Prophy-Jet 30/ Cavi-Jet 30Dentsply Intl.1987—
−1K970123Dentsply Cavitron SPS Scaler SystemDentsply Intl.1997—
0 (this device)K100401Swerv Magnetostrictive Ultrasonic Scaler SystemHu-Friedy Mfg. Co., Inc.2010—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198410
200310
FIG. 1 — Lineage of K100401, 1987–2010Source: 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 ELC? 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 ELC device

  1. #1 K260773 Varios Combi Pro2score 12.5 · 6 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? (2)

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
*K970123Dentsply Cavitron SPS Scaler System
Summary page 1
…E ULTRASONIC SCALER CLASSIFICATION NAME: ULTRASONIC SCALER REGULATION NUMBER: 21.CFR, 872.4850 REGULATORY DEVICE CLASS- Il PRODUCT PANEL &CODE: 76 ELC PREDICATE DEVICES: K970123 & K033705 DESCRIPTION: The Swerv 3 Magnetostrictive Ultrasonic Scaler is a portable stand alone scaler, handpiece and foot con…
Dentsply Intl.1997—
*K033705Bobcat Pro Scaler System, Model G-130
Summary page 1
…IC SCALER CLASSIFICATION NAME: ULTRASONIC SCALER REGULATION NUMBER: 21.CFR, 872.4850 REGULATORY DEVICE CLASS- Il PRODUCT PANEL &CODE: 76 ELC PREDICATE DEVICES: K970123 & K033705 DESCRIPTION: The Swerv 3 Magnetostrictive Ultrasonic Scaler is a portable stand alone scaler, handpiece and foot control. The…
Dentsply International2003—
†K953919Dental Ultrasonic Scaler InsertsHu-Friedy Mfg. Co., Inc.1995—
†K912473Accu-Placer TM KitHu-Friedy Mfg. Co., Inc.1991—

Also cleared against K970123: 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 23 years and passes through 2 companies; a new generation was cleared every 13.0 years on median.
  • None of the 4 ancestors has a recall.
  • 1 other device also cites its predicate K970123.

How does its category compare?

All ELC devices

ELC Scaler, Ultrasonic: FDA decisions, review times, recalls and adverse event reports over 20 years. 2010, this device’s year, is highlighted.

FDA decisions per year · ELC

2in 2025

2007: 62008: 42009: 42010: 42011: 32012: 12013: 132014: 62015: 52016: 32017: 22018: 12019: 42020: 12021: 32022: 22023: 52024: 42025: 22026 (partial year): 2
2007high 13 (2013) · low 1 (2012)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · ELC

104in 2024

2007: 92 days median2008: 216 days median2009: 121 days median2010: 201 days median2011: 122 days median2013: 174 days median2014: 193 days median2015: 150 days median2016: 88 days median2019: 192 days median2021: 196 days median2023: 258 days median2024: 104 days median
2007high 258 (2023) · low 88 (2016)2026

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

Recalls per year · ELC

2in 2022

2022: 2
2007high 2 (2022) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · ELC

284in 2025

2007: 122008: 582009: 1082010: 792011: 52012: 32013: 62014: 372015: 1352016: 1692017: 3562018: 2892019: 3022020: 1642021: 1662022: 1652023: 2102024: 2192025: 284
2007high 356 (2017) · low 3 (2012)2025

MAUDE reports naming product code ELC, 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
2007692012
20084216058
200941210108
20104201079
2011312205
20121—03
20131317406
20146193037
201551500135
20163880169
20172—0356
20181—0289
201941920302
20201—0164
202131960166
20222—2165
202352580210
202441040219
20252—0284
20262—0—

What is it indicated for?

This device generates ultrasonic vibrations intended for ultrasonic procedures: 1.) General Supra and Subgingival scaling applications; 2.) Periodontal debridement for non-surgical treatment of Periodontal diseases.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K100401: Swerv Magnetostrictive Ultrasonic Scaler System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K100401

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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