510(k) Report

510(k) · Cleared

Cleared

sam CS Long Duration Ultrasound Device

K233210510(k) SpecialCleared Oct 25, 202327-day reviewClass II21 CFR 890.5300

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

ZetrOZ Systems, LLC · PFW Stationary Ultrasonic Diathermy Device For Use In Applying Therapeutic Deep Heat

Cleared on Oct 25, 2023 as substantially equivalent to K211513 (ZetrOZ Systems, LLC, 2021) after a 27-day review. Its family tree reaches back 4 generations to 2012.

Decided
Oct 25, 2023
Review
27 days
Class
Class II
Product code
PFW
Recalls
None
Predicates
1

Its longest line of descent runs back 4 generations to K120171 (2012). No later device cites it as a predicate yet.

  1. Root · 4 generations backK120171 Accusonic AdvantageMetron Medical Australia, Pty, Ltd. · 2012
  2. 3 generations backK130978 ZTX Ultrasonic Diathermy DeviceZetroz, Inc. · 2013
  3. 2 generations backK191568 sam 2.0 Long Duration Ultrasound SystemZetrOZ Systems, LLC · 2020
  4. 1 generation backK211513 sam X1 Long Duration Ultrasound DeviceZetrOZ Systems, LLC · 2021
  5. This deviceK233210 sam CS Long Duration Ultrasound DeviceZetrOZ Systems, LLC · 2023
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K120171Accusonic AdvantageMetron Medical Australia, Pty, Ltd.2012—
−3K130978ZTX Ultrasonic Diathermy DeviceZetroz, Inc.2013—
−2K191568sam 2.0 Long Duration Ultrasound SystemZetrOZ Systems, LLC2020—
−1K211513sam X1 Long Duration Ultrasound DeviceZetrOZ Systems, LLC2021—
0 (this device)K233210sam CS Long Duration Ultrasound DeviceZetrOZ Systems, LLC2023—
FIG. 1 — Lineage of K233210, 2012–2023Source: 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 PFW? 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 PFW device

  1. #1 K260076 SAM 3.0 Multi-Hour Continuous Ultrasound Devicescore 12.1 · 4 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
*K211513sam X1 Long Duration Ultrasound Device
Summary page 5
…90.5300; Ultrasonic diathermy. Class: II Product Code: PFW Predicate Devices: sam X1 Long Duration Ultrasound Device (K211513) Indications for Use: The sam CS Long Duration Ultrasound Device is intended for home use to apply ultrasonic energy to generat…
ZetrOZ Systems, LLC2021—

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 11 years and passes through 3 companies; a new generation was cleared every 2.2 years on median.
  • None of the 4 ancestors has a recall.

How does its category compare?

All PFW devices

PFW Stationary Ultrasonic Diathermy Device For Use In Applying Therapeutic Deep Heat: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.

FDA decisions per year · PFW

2in 2023

2008: 22013: 12020: 12021: 12022: 12023: 22026 (partial year): 1
2007high 2 (2008) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · PFW

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

Recalls per year · PFW

No recall names PFW since 2007.

Adverse event reports per year · PFW

No MAUDE report names PFW since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20082—00
20090—00
20100—00
20110—00
20120—00
20131—00
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20201—00
20211—00
20221—00
20232—00
20240—00
20250—00
20261—0—

What is it indicated for?

The sam CS Long Duration Ultrasound Device is intended for home use to apply ultrasonic energy to generate deep heat within body tissues and to increase local circulation.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K233210: sam CS Long Duration Ultrasound Device.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K233210

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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