510(k) Report

510(k) · Cleared

Cleared

MoistureMeterD Compact, LymphScanner

K220557510(k) TraditionalCleared May 27, 202288-day reviewClass II21 CFR 870.2770

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

Delfin Technologies, Ltd. · OBH Monitor, Extracellular Fluid, Lymphedema, Extremity

Cleared on May 27, 2022 as substantially equivalent to K143310 (Delfin Technologies, Ltd., 2015) after an 88-day review. Its family tree reaches back 4 generations to 1991.

Decided
May 27, 2022
Review
88 days
Class
Class II
Product code
OBH
Recalls
None
Predicates
1

Its longest line of descent runs back 4 generations to K904109 (1991). 6 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 4 generations backK904109 Bio-Impedance AnalyzerXitron Technologies, Inc. · 1991
  2. 3 generations backK052319 Impedimed - Body Composition Analyzer, Model Imp SFB7Impedimed Pty, Ltd. · 2006
  3. 2 generations backK080825 Impedimed Extra Cellular Fluid Analysis, Model L-Dex U400Impedimed Pty, Ltd. · 2008
  4. 1 generation backK143310 MoisturemeterDDelfin Technologies, Ltd. · 2015
  5. This deviceK220557 MoistureMeterD Compact, LymphScannerDelfin Technologies, Ltd. · 2022
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K904109Bio-Impedance AnalyzerXitron Technologies, Inc.1991—
−3K052319Impedimed - Body Composition Analyzer, Model Imp SFB7Impedimed Pty, Ltd.2006—
−2K080825Impedimed Extra Cellular Fluid Analysis, Model L-Dex U400Impedimed Pty, Ltd.2008—
−1K143310MoisturemeterDDelfin Technologies, Ltd.2015—
0 (this device)K220557MoistureMeterD Compact, LymphScannerDelfin Technologies, Ltd.2022—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200110
200710
FIG. 1 — Lineage of K220557, 1991–2022Source: 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 OBH? 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 OBH device

  1. #1 K253224 MySOZO Software version 6.0.1.2 (SW version…score 13.5 · 10 generations · no Class I recall
  2. #2 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
*K143310MoisturemeterD
Summary page 4
…e Class: Class II Predicate device: Company: Delfin Technologies Ltd Trade Name: MoistureMeterD 510(k) Number: K143310 Classification name: Impedance Plethysmograph Regulation number: 21 CFR 870.2770 Product code: OBH Cla…
Delfin Technologies, Ltd.2015—

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 31 years and passes through 3 companies; a new generation was cleared every 7.1 years on median.
  • None of the 6 ancestors has a recall.

How does its category compare?

All OBH devices

OBH Monitor, Extracellular Fluid, Lymphedema, Extremity: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.

FDA decisions per year · OBH

1in 2023

2007: 12008: 12011: 12013: 12015: 12017: 12018: 12022: 12023: 12026 (partial year): 1
2007high 1 (2007) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OBH

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

Recalls per year · OBH

1in 2023

2023: 1
2007high 1 (2023) · low 0 (2007)2026

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

Adverse event reports per year · OBH

No MAUDE report names OBH since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20071—00
20081—00
20090—00
20100—00
20111—00
20120—00
20131—00
20140—00
20151—00
20160—00
20171—00
20181—00
20190—00
20200—00
20210—00
20221—00
20231—10
20240—00
20250—00
20261—0—

What is it indicated for?

MoistureMeterD Compact and LymphScanner is a device utilizing inter-arm ratios of tissue dielectric constant (TDC) that supports local assessment of tissue water differences between affected and contralateral non-affected arm tissues to aid in forming a clinical judgment of unilateral lymphedema in adult women. The device is not intended to make a diagnosis or predict arm lymphedema.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K220557: MoistureMeterD Compact, LymphScanner.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K220557

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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