510(k) Report

510(k) · Cleared

Cleared

Tanita Scale Plus Body Fat Monitor with Body Water Percentage

K040978510(k) TraditionalCleared Jul 22, 200498-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

Tanita Corp. of America · MNW Analyzer, Body Composition

Cleared on Jul 22, 2004 as substantially equivalent to K014009 (Tanita Corp. of America, 2002) after a 98-day review. Its family tree reaches back 2 generations to 1994.

Decided
Jul 22, 2004
Review
98 days
Class
Class II
Product code
MNW
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K930599 (1994). No later device cites it as a predicate yet.

  1. Root · 2 generations backK930599 Body Fat Analyzer Model TBF-105Tanita Corp. of America · 1994
  2. 1 generation backK014009 Tanita Body Composition Analyzer; Tanita Body Fat Monitor; Tanita…Tanita Corp. of America · 2002
  3. This deviceK040978 Tanita Scale Plus Body Fat Monitor with Body Water PercentageTanita Corp. of America · 2004
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K930599Body Fat Analyzer Model TBF-105Tanita Corp. of America1994—
−1K014009Tanita Body Composition Analyzer; Tanita Body Fat Monitor; Tanita Ultimate ScaleTanita Corp. of America2002—
0 (this device)K040978Tanita Scale Plus Body Fat Monitor with Body Water PercentageTanita Corp. of America2004—
FIG. 1 — Lineage of K040978, 1994–2004Source: 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 MNW? 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 MNW device

  1. #1 K231116 Multi-parameter detectorscore 11.4 · 14 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
*K014009Tanita Body Composition Analyzer; Tanita Body Fat Monitor; Tanita Ultimate Scale
Summary page 1
…body fat and total body water with the use of BIA (bioelectrical impedance analysis). Predicate Devices: TAN ITA Body Fat Analyzer Professional and Consumer Models K014009 Scientific Concepts and Significant Performance Characteristics: Tanita Body Composition…
Tanita Corp. of America2002—

Also cleared against K014009: 5 other devices →

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 10 years and passes through 1 company; a new generation was cleared every 7.6 years on median.
  • None of the 2 ancestors has a recall.
  • 5 other devices also cite its predicate K014009.

How does its category compare?

All MNW devices

MNW Analyzer, Body Composition: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · MNW

1in 2024

2007: 42008: 42009: 42010: 12011: 112012: 42013: 92014: 32015: 12024: 1
2007high 11 (2011) · low 0 (2016)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MNW

110in 2014

2007: 109 days median2008: 134 days median2009: 137 days median2011: 168 days median2012: 103 days median2013: 144 days median2014: 110 days median
2007high 168 (2011) · low 103 (2012)2026

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

Recalls per year · MNW

No recall names MNW since 2007.

Adverse event reports per year · MNW

3in 2024

2010: 12015: 22016: 152017: 62018: 162019: 112020: 122021: 102022: 82023: 22024: 3
2007high 16 (2018) · low 0 (2007)2025

MAUDE reports naming product code MNW, 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
2007410900
2008413400
2009413700
20101—01
20111116800
2012410300
2013914400
2014311000
20151—02
20160—015
20170—06
20180—016
20190—011
20200—012
20210—010
20220—08
20230—02
20241—03
20250—00
20260—0—

What is it indicated for?

A body composition analyzer that measures body weight and impedance and estimates percentage of body fat and body water using BIA (bioelectrical impedance analysis) in healthy children (7-17 years old) and healthy adults.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K040978: Tanita Scale Plus Body Fat Monitor with Body Water Percentage.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K040978

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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