510(k) Report

510(k) · Cleared

Cleared

Body Composition Analyzer, Models Zeus 9.9 and Venus 5.5

K053556510(k) TraditionalCleared Aug 31, 2006254-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

Jawon Medical Co., Ltd. · MNW Analyzer, Body Composition

Cleared on Aug 31, 2006 as substantially equivalent to K002835 (Bodystat, Ltd., 2001) and 1 other predicate after a 254-day review. Its family tree reaches back 3 generations to 1994. 4 later devices descend from it.

Decided
Aug 31, 2006
Review
254 days
Class
Class II
Product code
MNW
Recalls
None
Predicates
2

Its longest line of descent runs back 3 generations to K930599 (1994). 4 ancestors in all. 4 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2001: 1 other ancestor2007: 2 descendants cleared2009: 1 descendant cleared2015: 1 descendant clearedK930599 · Body Fat Analyzer Model TBF-105 · Tanita Corp. of America · 1994K014009 · Tanita Body Composition Analyzer; Tanita Body Fat Monitor; Tanita Ultimate Scale · Tanita Corp. of America · 2002K033157 · Tanita Segmental Body Composition Analyzer, Model BC-418 · Tanita Corp. of America · 20041990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 2 descendants2 generations forward: 2 descendants K033157 · Tanita Segmental Body Composition Analyzer, Model BC-418 · Tanita Corp. of America · 2004K014009 · Tanita Body Composition Analyzer; Tanita Body Fat Monitor; Tanita Ultimate Scale · Tanita Corp. of America · 2002K930599 · Body Fat Analyzer Model TBF-105 · Tanita Corp. of America · 19940
  1. Root · 3 generations backK930599 Body Fat Analyzer Model TBF-105Tanita Corp. of America · 1994
  2. 2 generations backK014009 Tanita Body Composition Analyzer; Tanita Body Fat Monitor; Tanita…Tanita Corp. of America · 2002
  3. 1 generation backK033157 Tanita Segmental Body Composition Analyzer, Model BC-418Tanita Corp. of America · 2004
  4. This deviceK053556 Body Composition Analyzer, Models Zeus 9.9 and Venus 5.5Jawon Medical Co., Ltd. · 2006
  5. Descendant · cites it directly · 2 of its ownK071884 Body Composition Analyzer, Models: X-Scan Plus II, Gaia 359 Plus…Jawon Medical Co., Ltd. · 2007
  6. Descendant · 2 generations on · 1 of its ownK092431 Body Composition Analyzer, Model: Ioi 353Jawon Medical Co., Ltd. · 2009
  7. Descendant · cites it directly · 1 of its ownK072325 Body Composition Analyzer, Easybody 202, 203, 205Jawon Medical Co., Ltd. · 2007
  8. Descendant · 2 generations on · 0 of its ownK140045 Body Composition AnalyzerJawon Medical Co., Ltd. · 2015

Most influential descendants

Showing 4 of 4 · See all
  • K071884Body Composition Analyzer, Models: X-Scan Plus II, Gaia 359 Plus, Plusavis 333, Xbia…Jawon Medical Co., Ltd. · 2007 · cites it directly2descendants
  • K092431Body Composition Analyzer, Model: Ioi 353Jawon Medical Co., Ltd. · 2009 · 2 generations on1descendant
  • K072325Body Composition Analyzer, Easybody 202, 203, 205Jawon Medical Co., Ltd. · 2007 · cites it directly1descendant
  • K140045Body Composition AnalyzerJawon Medical Co., Ltd. · 2015 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K930599Body Fat Analyzer Model TBF-105Tanita Corp. of America1994—
−2K014009Tanita Body Composition Analyzer; Tanita Body Fat Monitor; Tanita Ultimate ScaleTanita Corp. of America2002—
−1K033157Tanita Segmental Body Composition Analyzer, Model BC-418Tanita Corp. of America2004—
0 (this device)K053556Body Composition Analyzer, Models Zeus 9.9 and Venus 5.5Jawon Medical Co., Ltd.2006—
+1K071884Body Composition Analyzer, Models: X-Scan Plus II, Gaia 359 Plus, Plusavis…Jawon Medical Co., Ltd.2007—
+2K092431Body Composition Analyzer, Model: Ioi 353Jawon Medical Co., Ltd.2009—
+1K072325Body Composition Analyzer, Easybody 202, 203, 205Jawon Medical Co., Ltd.2007—
+2K140045Body Composition AnalyzerJawon Medical Co., Ltd.2015—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200110

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200720
200910
201510
FIG. 1 — Lineage of K053556, 1994–2015Source: 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? (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
*K002835Bodystat
Summary page 1
…SITION ANALYZER, Impedance piethysniograph, MNW 3- PREDICATE DEVICE. BODYSTAT Quad scan 4000 Body Composition Analyzer, K002835, decision on 07/03/2001 TANITA Body Composition Analyzer BC-418, K033157, decision on 08/08/2004 4. DEVICE DESCRIPT…
Bodystat, Ltd.2001—
*K033157Tanita Segmental Body Composition Analyzer, Model BC-418
Summary page 1
…h, MNW 3- PREDICATE DEVICE. BODYSTAT Quad scan 4000 Body Composition Analyzer, K002835, decision on 07/03/2001 TANITA Body Composition Analyzer BC-418, K033157, decision on 08/08/2004 4. DEVICE DESCRIPTION. general: Model ZEUS 9.9NENUS 5.5 of Jawon Medical is compact, automa…
Tanita Corp. of America2004—

Also cleared against K002835: 7 other devices →

What descends from it? (4)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K071884Body Composition Analyzer, Models: X-Scan Plus II, Gaia 359 Plus, Plusavis 333, Xbia…Jawon Medical Co., Ltd.20072
K072325Body Composition Analyzer, Easybody 202, 203, 205Jawon Medical Co., Ltd.20071

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 12 years and passes through 2 companies; a new generation was cleared every 2.4 years on median.
  • None of the 4 ancestors has a recall.
  • Of its descendants, K071884 (Jawon Medical Co., Ltd., 2007) has gone furthest, with 2 descendants of its own.
  • 7 other devices also cite its predicate K002835.

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?

The ZEUS 9.9 and VENUS 5.5 body composition analyzers are intended to estimate PBF(Percentage of Body Fat), MB3F(Mass of Body Fat), LBM(Lean Body Mass), TBW(Totnl Body Water), BMI(Body Mass Index), BMR(Basic Metabolic Rate), Segmental LBM, ICW(Intra-Cellular Water), ECW(Extra-Cellular Water), and ratio of ECWITr3W using the BIA(Bio-electrical Impedance Analysis) method. The device measures or calculates the impedance, BMI(Body Mass Index), weight, arid…

Read the full statement (128 words)

The ZEUS 9.9 and VENUS 5.5 body composition analyzers are intended to estimate PBF(Percentage of Body Fat), MB3F(Mass of Body Fat), LBM(Lean Body Mass), TBW(Totnl Body Water), BMI(Body Mass Index), BMR(Basic Metabolic Rate), Segmental LBM, ICW(Intra-Cellular Water), ECW(Extra-Cellular Water), and ratio of ECWITr3W using the BIA(Bio-electrical Impedance Analysis) method. The device measures or calculates the impedance, BMI(Body Mass Index), weight, arid WHR@Vaist to Hip Ratio) of the user-

These devices are Intended for use only in healthy subjects between the age of 7-89.

The only difference between the ZEUS 9.9 and VENUS &-5 is head part of main unit; that is, the head part of the ZEUS 9.9 has a key pad and touch screen while the head part of the VENUS 5.5 has only a touch screenL

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K053556: Body Composition Analyzer, Models Zeus 9.9 and Venus 5.5.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K053556

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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