510(k) Report

510(k) · Cleared

Cleared

Storz Medical Duolith SD1 T-Top & Tower System with C-Actor Sepia Handpiece

K202112510(k) TraditionalCleared Feb 21, 2021206-day reviewClass II21 CFR 878.4685

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

Storz Medical AG · PZL Extracorporeal Shock Wave Device For Treatment Of Diabetic Foot Ulcers

Cleared on Feb 21, 2021 as substantially equivalent to DEN160037 (Sanuwave, Inc., 2017) and 1 other predicate after a 206-day review. Its family tree reaches back 2 generations to 2017. 1 later device descends from it.

Decided
Feb 21, 2021
Review
206 days
Class
Class II
Product code
PZL
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to DEN160037 (2017). 1 later device descends from it, 1 citing it directly.

Descendants, by year cleared 2025: 1 descendant clearedDEN160037 · dermaPACE System · Sanuwave, Inc. · 2017K191961 · OrthoGold · Tissue Regeneration Technologies · 2019201620182020202220242026
Descendants, by generation 1 generation forward: 1 descendant K191961 · OrthoGold · Tissue Regeneration Technologies · 2019DEN160037 · dermaPACE System · Sanuwave, Inc. · 20170
  1. Root · 2 generations backDEN160037 dermaPACE SystemSanuwave, Inc. · 2017
  2. 1 generation backK191961 OrthoGoldTissue Regeneration Technologies · 2019
  3. This deviceK202112 Storz Medical Duolith SD1 T-Top & Tower System with C-Actor Sepia…Storz Medical AG · 2021
  4. Descendant · cites it directly · 0 of its ownK243279 DOLORCLAST Focused Shock WavesE.M.S Electro Medical Systems S.A · 2025

Most influential descendants

Showing 1 of 1 · See all
  • K243279DOLORCLAST Focused Shock WavesE.M.S Electro Medical Systems S.A · 2025 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2DEN160037dermaPACE SystemSanuwave, Inc.2017—
−1K191961OrthoGoldTissue Regeneration Technologies2019—
0 (this device)K202112Storz Medical Duolith SD1 T-Top & Tower System with C-Actor Sepia HandpieceStorz Medical AG2021—
+1K243279DOLORCLAST Focused Shock WavesE.M.S Electro Medical Systems S.A2025—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202510
FIG. 1 — Lineage of K202112, 2017–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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 PZL? 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 PZL device

  1. #1 K243279 DOLORCLAST Focused Shock Wavesscore 10.4 · 3 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
*DEN160037dermaPACE System
Summary page 4
…78.4685 Product Code: PZL Device Class: II 3. PREDICATE DEVICES Equivalence is claimed to the predicate devices: DERMAPACE device (DEN160037; primary) and the ORTHOGOLD device (K191961). 4. DEVICE DESCRIPTION The DUOLITH SD1 with the C-ACTOR Sepia Handpiece…
Sanuwave, Inc.2017—
*K191961OrthoGold
Summary page 4
…e Class: II 3. PREDICATE DEVICES Equivalence is claimed to the predicate devices: DERMAPACE device (DEN160037; primary) and the ORTHOGOLD device (K191961). 4. DEVICE DESCRIPTION The DUOLITH SD1 with the C-ACTOR Sepia Handpiece uses an electromagnetically generated shock…
Tissue Regeneration Technologies2019—

Also cleared against DEN160037: 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
K243279DOLORCLAST Focused Shock WavesE.M.S Electro Medical Systems S.A20250

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 1.9 years on median.
  • None of the 2 ancestors has a recall.
  • Of its descendants, K243279 (E.M.S Electro Medical Systems S.A, 2025) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate DEN160037.

How does its category compare?

All PZL devices

PZL Extracorporeal Shock Wave Device For Treatment Of Diabetic Foot Ulcers: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, this device’s year, is highlighted.

FDA decisions per year · PZL

2in 2025

2017: 12019: 12020: 12021: 12023: 12024: 12025: 2
2007high 2 (2025) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · PZL

Too few PZL 510(k)s in any year since 2007 to give a median.

Recalls per year · PZL

No recall names PZL since 2007.

Adverse event reports per year · PZL

No MAUDE report names PZL since 2007.

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
20140—00
20150—00
20160—00
20171—00
20180—00
20191—00
20201—00
20211—00
20220—00
20231—00
20241—00
20252—00
20260—0—

What is it indicated for?

The DUOLITH SD1 T-Top & Tower System with C-ACTOR Sepia Handpiece is indicated to provide acoustic pressure

shockwaves in the treatment of chronic, full-thickness diabetic foot ulcers with wound areas measuring no larger than 16

cm2, which extend through the epidermis, dermis, tendon, or capsule, but without bone exposure. The DUOLITH SD1

with C-ACTOR is indicated for adult (22 years and older), diabetic patients presenting with diabetic foot ulcers greater

than 30 days in duration and is indicated for use in conjunction with standard diabetic ulcer care.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K202112: Storz Medical Duolith SD1 T-Top & Tower System with C-Actor Sepia Handpiece.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K202112

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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