510(k) Report

510(k) · Cleared

Cleared

Swiss LithoClast Trilogy

K181997510(k) SpecialCleared Aug 30, 201835-day reviewClass II21 CFR 876.4480

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

E.M.S Electro Medical Systems S.A · FEO Lithotriptor, Ultrasonic

Cleared on Aug 30, 2018 as substantially equivalent to K181364 (E.M.S Electro Medical Systems S.A, 2018) after a 35-day review. Its family tree reaches back 5 generations to 1986. 3 later devices descend from it.

Decided
Aug 30, 2018
Review
35 days
Class
Class II
Product code
FEO
Recalls
None
Predicates
1

Its longest line of descent runs back 5 generations to K863642 (1986). 8 ancestors in all. 3 later devices descend from it, 1 citing it directly.

  1. Root · 5 generations backK863642 Candela Model MDL-1 Laser LithotriptorCandela Corp. · 1986
  2. 4 generations backK963285 Ems Swiss Lithoclast LithotripterElectro Medical Systems SA · 1997
  3. 3 generations backK012445 Ems Swiss Lithoclast Master (a.K.a. Swiss Lithoclast Ultra)Electro Medical Systems SA · 2001 · Recalled
  4. 2 generations backK173234 Swiss LithoClast TrilogyE.M.S Electro Medical Systems S.A · 2018
  5. 1 generation backK181364 Swiss LithoClast TrilogyE.M.S Electro Medical Systems S.A · 2018
  6. This deviceK181997 Swiss LithoClast TrilogyE.M.S Electro Medical Systems S.A · 2018
  7. Descendant · cites it directly · 2 of its ownK182490 Swiss LithoClast TrilogyE.M.S Electro Medical Systems S.A · 2018
  8. Descendant · 2 generations on · 1 of its ownK191124 Swiss LithoClast TrilogyE.M.S Electro Medical Systems S.A · 2019
  9. Descendant · 3 generations on · 0 of its ownK230893 Swiss LthoClast TrilogyE.M.S Electro Medical Systems S.A · 2023

Most influential descendants

Showing 3 of 3 · See all
  • K182490Swiss LithoClast TrilogyE.M.S Electro Medical Systems S.A · 2018 · cites it directly2descendants
  • K191124Swiss LithoClast TrilogyE.M.S Electro Medical Systems S.A · 2019 · 2 generations on1descendant
  • K230893Swiss LthoClast TrilogyE.M.S Electro Medical Systems S.A · 2023 · 3 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K863642Candela Model MDL-1 Laser LithotriptorCandela Corp.1986—
−4K963285Ems Swiss Lithoclast LithotripterElectro Medical Systems SA1997—
−3K012445Ems Swiss Lithoclast Master (a.K.a. Swiss Lithoclast Ultra)Electro Medical Systems SA20013
−2K173234Swiss LithoClast TrilogyE.M.S Electro Medical Systems S.A2018—
−1K181364Swiss LithoClast TrilogyE.M.S Electro Medical Systems S.A2018—
0 (this device)K181997Swiss LithoClast TrilogyE.M.S Electro Medical Systems S.A2018—
+1K182490Swiss LithoClast TrilogyE.M.S Electro Medical Systems S.A2018—
+2K191124Swiss LithoClast TrilogyE.M.S Electro Medical Systems S.A2019—
+3K230893Swiss LthoClast TrilogyE.M.S Electro Medical Systems S.A2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198910
199210
199510

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201810
201910
202310
FIG. 1 — Lineage of K181997, 1986–2023Source: 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 FEO? 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 FEO device

  1. #1 K230893 Swiss LthoClast Trilogyscore 8.3 · 8 generations · no Class I recall
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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
*K181364Swiss LithoClast Trilogy
Summary page 4
…Review Panel: 78 Gastroenterology / Urology Class: II E. Predicate Device(s): Swiss LithoClast® Trilogy, K181364 F. Summary Device Description: The Swiss LithoClast® Trilogy is an intracorporal lithotripter with three possible m…
E.M.S Electro Medical Systems S.A2018—

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K182490Swiss LithoClast TrilogyE.M.S Electro Medical Systems S.A20182

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 32 years and passes through 3 companies; a new generation was cleared every 4.5 years on median.
  • 1 of the 8 ancestors has a recall of any class.
  • Of its descendants, K182490 (E.M.S Electro Medical Systems S.A, 2018) has gone furthest, with 2 descendants of its own.

How does its category compare?

All FEO devices

FEO Lithotriptor, Ultrasonic: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.

FDA decisions per year · FEO

1in 2023

2014: 12017: 12018: 42023: 1
2007high 4 (2018) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FEO

32in 2018

2018: 32 days median
2007high 32 (2018)2026

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

Recalls per year · FEO

1in 2025

2025: 1
2007high 1 (2025) · low 0 (2007)2026

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

Adverse event reports per year · FEO

354in 2025

2007: 52008: 22009: 22010: 72011: 42012: 122013: 112014: 162015: 62016: 22017: 82018: 92019: 122020: 1282021: 662022: 302023: 392024: 2212025: 354
2007high 354 (2025) · low 2 (2008)2025

MAUDE reports naming product code FEO, 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—05
20080—02
20090—02
20100—07
20110—04
20120—012
20130—011
20141—016
20150—06
20160—02
20171—08
201843209
20190—012
20200—0128
20210—066
20220—030
20231—039
20240—0221
20250—1354
20260—0—

What is it indicated for?

The Swiss LithoClast Trilogy is indicated for fragmentation and removal of urinary tract calculi in the kidney, ureter and bladder.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K181997: Swiss LithoClast Trilogy.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K181997

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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