510(k) Report

510(k) · Cleared

Cleared

TENS device-HeadaTerm, eEspress

K172450510(k) TraditionalCleared Sep 13, 2018395-day reviewClass II21 CFR 882.5891

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

Wat Medical Technology (Ningbo) Co., Ltd. · PCC Stimulator, Nerve, Electrical, Transcutaneous, For Migraine

Cleared on Sep 13, 2018 as substantially equivalent to DEN120019 (Stx-Med Sprl, 2014) and 1 other predicate after a 395-day review. Its family tree reaches back 2 generations to 2014. 1 later device descends from it.

Decided
Sep 13, 2018
Review
395 days
Class
Class II
Product code
PCC
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to DEN120019 (2014). 1 later device descends from it, 1 citing it directly.

Descendants, by year cleared 2024: 1 descendant clearedDEN120019 · Cefaly · Stx-Med Sprl · 2014K160237 · Cefaly · Cefaly Technology · 20162010201520202025
Descendants, by generation 1 generation forward: 1 descendant K160237 · Cefaly · Cefaly Technology · 2016DEN120019 · Cefaly · Stx-Med Sprl · 20140
  1. Root · 2 generations backDEN120019 CefalyStx-Med Sprl · 2014
  2. 1 generation backK160237 CefalyCefaly Technology · 2016
  3. This deviceK172450 TENS device-HeadaTerm, eEspressWat Medical Technology (Ningbo) Co., Ltd. · 2018
  4. Descendant · cites it directly · 0 of its ownK230782 TENS device-HeadaTerm 2 (Model: YF-HT2)Wat Medical Technology, Inc. · 2024

Most influential descendants

Showing 1 of 1 · See all
  • K230782TENS device-HeadaTerm 2 (Model: YF-HT2)Wat Medical Technology, Inc. · 2024 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2DEN120019CefalyStx-Med Sprl2014—
−1K160237CefalyCefaly Technology2016—
0 (this device)K172450TENS device-HeadaTerm, eEspressWat Medical Technology (Ningbo) Co., Ltd.2018—
+1K230782TENS device-HeadaTerm 2 (Model: YF-HT2)Wat Medical Technology, Inc.2024—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202410
FIG. 1 — Lineage of K172450, 2014–2024Source: 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 PCC? 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 PCC device

  1. #1 K201895 Cefaly Dualscore 16.0 · 4 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

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
*DEN120019Cefaly
Our reading of the summary gave K122566, which is not in FDA’s 510(k) list. The device the summary names is FDA’s De Novo DEN120019, Cefaly (Stx-Med Sprl), granted Mar 11, 2014; older De Novo requests were first filed under a 510(k) number, so this links to the grant.
Stx-Med Sprl2014—
*K160237Cefaly
Summary page 5
…headache Regulation Number: 21 CFR 882.5891 Classification: Class II FDA 510 (k) #: K122566 (Primary), K160237 5. Description of the Device [21 CFR 807.92(a)(4)] TENS device-HeadaTerm offers a drug-free scheme, which introduces electric…
Cefaly Technology2016—

Also cleared against DEN120019: 1 other device →

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K230782TENS device-HeadaTerm 2 (Model: YF-HT2)Wat Medical Technology, Inc.20240

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 4 years and passes through 3 companies; a new generation was cleared every 2.5 years on median.
  • None of the 2 ancestors has a recall.
  • Of its descendants, K230782 (Wat Medical Technology, Inc., 2024) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate DEN120019.

How does its category compare?

All PCC devices

PCC Stimulator, Nerve, Electrical, Transcutaneous, For Migraine: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.

FDA decisions per year · PCC

5in 2024

2014: 12016: 12017: 22018: 12019: 12020: 12021: 42022: 12024: 52026 (partial year): 1
2007high 5 (2024) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · PCC

211in 2024

2021: 88 days median2024: 211 days median
2007high 211 (2024) · low 88 (2021)2026

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

Recalls per year · PCC

No recall names PCC since 2007.

Adverse event reports per year · PCC

2in 2025

2014: 22016: 22017: 22019: 22020: 12021: 72023: 22024: 62025: 2
2007high 7 (2021) · low 0 (2007)2025

MAUDE reports naming product code PCC, 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
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20141—02
20150—00
20161—02
20172—02
20181—00
20191—02
20201—01
202148807
20221—00
20230—02
2024521106
20250—02
20261—0—

What is it indicated for?

The TENS device-HeadaTerm is indicated for the prophylactic treatment of episodic migraine in patients 18 years of age or older.

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. “K172450: TENS device-HeadaTerm, eEspress.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K172450

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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