510(k) Report

510(k) · Cleared

Cleared

IontoDC

K170291510(k) TraditionalCleared May 1, 201790-day reviewClass II21 CFR 890.5525

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

Soterix Medical, Inc. · EGJ Device, Iontophoresis, Other Uses

Cleared on May 1, 2017 as substantially equivalent to K043047 (Dynatronics Corp., 2005) after a 90-day review. Its family tree reaches back 5 generations to 1991.

Decided
May 1, 2017
Review
90 days
Class
Class II
Product code
EGJ
Recalls
None
Predicates
1

Its longest line of descent runs back 5 generations to K912015 (1991). 11 ancestors in all, the oldest K863166 (1987). No later device cites it as a predicate yet.

  1. Root · 5 generations backK912015 TBD, Empi Buffered Iontophoresis Electroded MDL. 3Empi · 1991
  2. 4 generations backK970491 Dupel II Buffered Iontophoresis ElectrodesEmpi · 1997
  3. 3 generations backK983484 Dupel B.L.U.E. Small Iontophoresis ElectrodeEmpi · 1998
  4. 2 generations backK031115 RH-900Iomed, Inc. · 2003
  5. 1 generation backK043047 Dynatron Ibox Iontophoresis DeviceDynatronics Corp. · 2005
  6. This deviceK170291 IontoDCSoterix Medical, Inc. · 2017
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K912015TBD, Empi Buffered Iontophoresis Electroded MDL. 3Empi1991—
−4K970491Dupel II Buffered Iontophoresis ElectrodesEmpi1997—
−3K983484Dupel B.L.U.E. Small Iontophoresis ElectrodeEmpi1998—
−2K031115RH-900Iomed, Inc.2003—
−1K043047Dynatron Ibox Iontophoresis DeviceDynatronics Corp.2005—
0 (this device)K170291IontoDCSoterix Medical, Inc.2017—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198710
199110
199440
FIG. 1 — Lineage of K170291, 1991–2017Source: 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 EGJ? 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 EGJ device

  1. #1 K242041 STOPWET iontophoresis apparatus (SW01)score 9.7 · 3 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
*K043047Dynatron Ibox Iontophoresis Device
Summary page 5
…(21 CFR 890.5525, Product Code EGJ) Device Class: Class II Predicate Device: 1. Dynatron® ibox Iontophoresis device (K043047) Dynatronics Corporation Class III (primary predicate )…
Dynatronics Corp.2005—
†K020476Medion 6000Selectivemed Components, Inc.2002—

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 26 years and passes through 4 companies; a new generation was cleared every 4.5 years on median.
  • None of the 11 ancestors has a recall.

How does its category compare?

All EGJ devices

EGJ Device, Iontophoresis, Other Uses: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.

FDA decisions per year · EGJ

1in 2025

2007: 52008: 22009: 22011: 12014: 12015: 22017: 12018: 12019: 12020: 12023: 12024: 12025: 1
2007high 5 (2007) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · EGJ

104in 2007

2007: 104 days median
2007high 104 (2007)2026

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

Recalls per year · EGJ

1in 2021

2021: 1
2007high 1 (2021) · low 0 (2007)2026

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

Adverse event reports per year · EGJ

3in 2025

2007: 12008: 62009: 102010: 212011: 92012: 82013: 12014: 12015: 22016: 32017: 32018: 82019: 22020: 22022: 12023: 12025: 3
2007high 21 (2010) · low 0 (2021)2025

MAUDE reports naming product code EGJ, 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
2007510401
20082—06
20092—010
20100—021
20111—09
20120—08
20130—01
20141—01
20152—02
20160—03
20171—03
20181—08
20191—02
20201—02
20210—10
20220—01
20231—01
20241—00
20251—03
20260—0—

What is it indicated for?

IontoDC is intended to use a direct current to introduce ions of soluble salts or other drugs into the body.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K170291: IontoDC.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K170291

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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