510(k) Report

510(k) · Cleared

Recalled · 2008

Mycolor 202 Diagnostic Ultrasound System and Transducers

K031552510(k) TraditionalCleared May 30, 200311-day reviewClass II21 CFR 892.1550Recalls 5

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

Medison America, Inc. · IYN System, Imaging, Pulsed Doppler, Ultrasonic

Cleared on May 30, 2003 as substantially equivalent to K002185 (Medison America, Inc., 2000) and 1 other predicate after an 11-day review. Its family tree reaches back 5 generations to 1993. 184 later devices descend from it. It has been recalled 5 times.

Decided
May 30, 2003
Review
11 days
Class
Class II
Product code
IYN
Recalls
5
Predicates
2

Its longest line of descent runs back 5 generations to K924432 (1993). 12 ancestors in all. 184 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1999: 2 other ancestors1998: 2 other ancestors1997: 2 other ancestors1994: 1 other ancestor2004: 2 descendants cleared2008: 3 descendants cleared2005: 1 descendant cleared2006: 4 descendants cleared2007: 2 descendants cleared2010: 5 descendants cleared2009: 3 descendants cleared2011: 7 descendants cleared2014: 7 descendants cleared2012: 4 descendants cleared2013: 4 descendants cleared2016: 11 descendants cleared2017: 15 descendants cleared2018: 17 descendants cleared2019: 17 descendants cleared2022: 14 descendants cleared2015: 4 descendants cleared2023: 10 descendants cleared2020: 11 descendants cleared2021: 13 descendants cleared2025: 13 descendants cleared2026: 8 descendants cleared2024: 9 descendants clearedK924432 · Medison 1500 · Medison Co., Ltd. · 1993K981510 · Sonoace 6000/ Ultramark 400 · Medison America, Inc. · 1998K990970 · Sonoace 6000C Diagnostic Ultrasound System and Transducers, Also Called Ultrasound System and Transducers · Medison America, Inc. · 1999K002185 · Sonoace SA 9900 Diagnostic Ultrasound System · Medison America, Inc. · 2000 · recalledK013627 · Sonoace SA-8000 Diagnostic Ultrasound System · Medison America, Inc. · 20011990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 4 other ancestors3 generations back: 2 other ancestors4 generations back: 1 other ancestor 1 generation forward: 2 descendants2 generations forward: 5 descendants3 generations forward: 13 descendants4 generations forward: 17 descendants5 generations forward: 15 descendants6 generations forward: 10 descendants7 generations forward: 13 descendants8 generations forward: 21 descendants9 generations forward: 24 descendants10 generations forward: 21 descendants11 generations forward: 14 descendants12 generations forward: 12 descendants13 generations forward: 7 descendants14 generations forward: 5 descendants15 generations forward: 4 descendants16 generations forward: 1 descendant K013627 · Sonoace SA-8000 Diagnostic Ultrasound System · Medison America, Inc. · 2001K002185 · Sonoace SA 9900 Diagnostic Ultrasound System · Medison America, Inc. · 2000 · recalledK990970 · Sonoace 6000C Diagnostic Ultrasound System and Transducers, Also Called Ultrasound System and Transducers · Medison America, Inc. · 1999K981510 · Sonoace 6000/ Ultramark 400 · Medison America, Inc. · 1998K924432 · Medison 1500 · Medison Co., Ltd. · 1993−50+5+10+15
  1. Root · 5 generations backK924432 Medison 1500Medison Co., Ltd. · 1993
  2. 4 generations backK981510 Sonoace 6000/ Ultramark 400Medison America, Inc. · 1998
  3. 3 generations backK990970 Sonoace 6000C Diagnostic Ultrasound System and Transducers, Also…Medison America, Inc. · 1999
  4. 2 generations backK002185 Sonoace SA 9900 Diagnostic Ultrasound SystemMedison America, Inc. · 2000 · Recalled
  5. 1 generation backK013627 Sonoace SA-8000 Diagnostic Ultrasound SystemMedison America, Inc. · 2001
  6. This deviceK031552 Mycolor 202 Diagnostic Ultrasound System and TransducersMedison America, Inc. · 2003
  7. Descendant · cites it directly · 182 of its ownK043455 SA8000 SE Diagnostic Ultrasound SystemMedison Co., Ltd. · 2004
  8. Descendant · 2 generations on · 114 of its ownK061213 Sonoace Pico Diagnostic Ultrasound SystemMedison Co., Ltd. · 2006
  9. Descendant · 3 generations on · 111 of its ownK100186 Mysono U5 Diagnostic Ultrasound SystemMedison Co., Ltd. · 2010
  10. Descendant · 4 generations on · 110 of its ownK102065 Sonoace R7 Diagnostic Ultrasound SystemMedison Co., Ltd. · 2010
  11. Descendant · 5 generations on · 108 of its ownK112646 Sonoace R7 Diagnostic Ultrasound SystemSamsung Medison Co., Ltd. · 2011

Showing 5 of 184 descendants. See all descendants

Descendants cleared per year

2004: 22005: 12006: 42007: 22008: 32009: 32010: 52011: 72012: 42013: 42014: 72015: 42016: 112017: 152018: 172019: 172020: 112021: 132022: 142023: 102024: 92025: 132026: 8
2004high 17 (2018) · low 1 (2005)2026

Most influential descendants

Showing 5 of 184 · See all
  • K043455SA8000 SE Diagnostic Ultrasound SystemMedison Co., Ltd. · 2004 · cites it directly182descendants
  • K061213Sonoace Pico Diagnostic Ultrasound SystemMedison Co., Ltd. · 2006 · 2 generations on114descendants
  • K100186Mysono U5 Diagnostic Ultrasound SystemMedison Co., Ltd. · 2010 · 3 generations on111descendants
  • K102065Sonoace R7 Diagnostic Ultrasound SystemMedison Co., Ltd. · 2010 · 4 generations on110descendants
  • K112646Sonoace R7 Diagnostic Ultrasound SystemSamsung Medison Co., Ltd. · 2011 · 5 generations on108descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K924432Medison 1500Medison Co., Ltd.1993—
−4K981510Sonoace 6000/ Ultramark 400Medison America, Inc.1998—
−3K990970Sonoace 6000C Diagnostic Ultrasound System and Transducers, Also Called…Medison America, Inc.1999—
−2K002185Sonoace SA 9900 Diagnostic Ultrasound SystemMedison America, Inc.20001
−1K013627Sonoace SA-8000 Diagnostic Ultrasound SystemMedison America, Inc.2001—
0 (this device)K031552Mycolor 202 Diagnostic Ultrasound System and TransducersMedison America, Inc.2003—
+1K043455SA8000 SE Diagnostic Ultrasound SystemMedison Co., Ltd.2004—
+2K061213Sonoace Pico Diagnostic Ultrasound SystemMedison Co., Ltd.2006—
+3K100186Mysono U5 Diagnostic Ultrasound SystemMedison Co., Ltd.2010—
+4K102065Sonoace R7 Diagnostic Ultrasound SystemMedison Co., Ltd.2010—
+5K112646Sonoace R7 Diagnostic Ultrasound SystemSamsung Medison Co., Ltd.2011—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410
199720
199820
199920

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200420
200510
200640
200720
200830
200930
201050
201170
201240
201340
201470
201540
2016110
2017150
2018170
2019170
2020110
2021130
2022140
2023100
202490
2025130
202680
FIG. 1 — Lineage of K031552, 1993–2026Source: 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 IYN? 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 IYN device

  1. #1 K240850 EPIQ Series Diagnostic Ultrasound Systems…score 32.1 · 24 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
*K002185Sonoace SA 9900 Diagnostic Ultrasound System
Summary page 9
…agnostic ultrasound imaging or fluid flow analysis of the human body as follows : N= new indication; P= previously cleared by FDA in KO13627 and K002185; P1= previously clerued by FDA i11 K013627; P2= previously clerued by FDA in K002185; E= added urider Appendix E…
Medison America, Inc.20001
*K013627Sonoace SA-8000 Diagnostic Ultrasound System
Summary page 9
…nalysis of the human body as follows : N= new indication; P= previously cleared by FDA in KO13627 and K002185; P1= previously clerued by FDA i11 K013627; P2= previously clerued by FDA in K002185; E= added urider Appendix E Additional Comments: Color…
Medison America, Inc.2001—

Also cleared against K002185: 4 other devices →

What descends from it? (184)

See all 184

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

NumberDeviceApplicantDecidedDescendants
K043455SA8000 SE Diagnostic Ultrasound SystemMedison Co., Ltd.2004182
K040926Ultrasound Scanner, Hudson Models 8000 and 9000Hudson Diagnostic Imaging, LLC20040

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Aug 12, 2008Not classifiedZ-0523-2009Software designThe system has a software defect that affects the display of Estimated Fetal Weight (EFW) Growth Percentile result values.
Aug 12, 2008Not classifiedZ-0522-2009Software designThe system has a software defect that affects the display of Estimated Fetal Weight (EFW) Growth Percentile result values.
May 29, 2008Not classifiedZ-2013-2008Labeling designHD3 Biopsy Guide Kits do not contain adequate labeling instructions for safe and effective use.
May 29, 2008Not classifiedZ-2015-2008Labeling designHD3 Biopsy Guide Kits do not contain adequate labeling instructions for safe and effective use.
May 29, 2008Not classifiedZ-2014-2008Labeling designHD3 Biopsy Guide Kits do not contain adequate labeling instructions for safe and effective use.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 10 years and passes through 2 companies; a new generation was cleared every 1.3 years on median.
  • 1 of the 12 ancestors has a recall of any class.
  • Of its descendants, K043455 (Medison Co., Ltd., 2004) has gone furthest, with 182 descendants of its own.
  • 4 other devices also cite its predicate K002185.

How does its category compare?

All IYN devices

IYN System, Imaging, Pulsed Doppler, Ultrasonic: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · IYN

57in 2025

2007: 132008: 252009: 182010: 292011: 392012: 432013: 512014: 562015: 542016: 602017: 642018: 592019: 472020: 572021: 462022: 532023: 442024: 502025: 572026 (partial year): 44
2007high 64 (2017) · low 13 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · IYN

124in 2025

2007: 26 days median2008: 18 days median2009: 29 days median2010: 67 days median2011: 46 days median2012: 37 days median2013: 60 days median2014: 39 days median2015: 55 days median2016: 56 days median2017: 83 days median2018: 85 days median2019: 79 days median2020: 72 days median2021: 105 days median2022: 105 days median2023: 115 days median2024: 119 days median2025: 124 days median2026 (partial year): 107 days median
2007high 124 (2025) · low 18 (2008)2026

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

Recalls per year · IYN

10in 2025

2007: 162008: 122009: 82010: 102011: 82012: 32013: 82014: 22015: 32016: 22018: 72020: 42021: 82022: 102023: 42024: 12025: 102026 (partial year): 2, 1 Class I
2007high 16 (2007) · low 0 (2017)2026

Class I (1 since 2007) Class II/III not classified

Adverse event reports per year · IYN

610in 2025

2007: 32008: 22009: 92010: 172011: 182012: 202013: 182014: 482015: 1162016: 1452017: 1462018: 852019: 592020: 672021: 2132022: 1862023: 2292024: 2662025: 610
2007high 610 (2025) · low 2 (2008)2025

MAUDE reports naming product code IYN, 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
20071326163
20082518122
2009182989
201029671017
20113946818
20124337320
20135160818
20145639248
201554553116
201660562145
201764830146
20185985785
20194779059
20205772467
2021461058213
20225310510186
2023441154229
2024501191266
20255712410610
2026441072 (1)—

What is it indicated for?

mycolor 202 intended uses as defined FDA guidance documents are:

Fetal (includes infertility monitoring of follicle development)

Abdominal

Pediatric

Small Organ

Cardiac (Adult)

Trans-Rectal

Trans-Vaginal

Peripheral-Vascular

Muscular-Skeletal (conventional, superficial)

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K031552: Mycolor 202 Diagnostic Ultrasound System and Transducers.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K031552

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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