510(k) Report

510(k) · Cleared

Cleared

Medical Image Processing Unit, Model Ezsensor

K090526510(k) TraditionalCleared Dec 2, 2009279-day reviewClass II21 CFR 872.1800

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

E-Woo Technology · MUH System, X-Ray, Extraoral Source, Digital

Cleared on Dec 2, 2009 as substantially equivalent to K072134 (Schick Technologies, Inc., 2007) after a 279-day review. Its family tree reaches back 3 generations to 1994. 18 later devices descend from it.

Decided
Dec 2, 2009
Review
279 days
Class
Class II
Product code
MUH
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K933455 (1994). 4 ancestors in all. 18 later devices descend from it, 5 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2004: 1 other ancestor2015: 5 descendants cleared2012: 2 descendants cleared2014: 2 descendants cleared2020: 2 descendants cleared2016: 1 descendant cleared2023: 2 descendants cleared2017: 1 descendant cleared2024: 1 descendant cleared2025: 1 descendant cleared2026: 1 descendant clearedK933455 · Computed Oral Radiology System · Schick Technologies, Inc. · 1994K022953 · Modification to Computed Oral Radiology System · Schick Technologies, Inc. · 2002K072134 · Schick Computed Oral Radiology System · Schick Technologies, Inc. · 20071990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 1 other ancestor 1 generation forward: 5 descendants2 generations forward: 5 descendants3 generations forward: 5 descendants4 generations forward: 1 descendant5 generations forward: 2 descendants K072134 · Schick Computed Oral Radiology System · Schick Technologies, Inc. · 2007K022953 · Modification to Computed Oral Radiology System · Schick Technologies, Inc. · 2002K933455 · Computed Oral Radiology System · Schick Technologies, Inc. · 19940+5
  1. Root · 3 generations backK933455 Computed Oral Radiology SystemSchick Technologies, Inc. · 1994
  2. 2 generations backK022953 Modification to Computed Oral Radiology SystemSchick Technologies, Inc. · 2002
  3. 1 generation backK072134 Schick Computed Oral Radiology SystemSchick Technologies, Inc. · 2007
  4. This deviceK090526 Medical Image Processing Unit, Model EzsensorE-Woo Technology · 2009
  5. Descendant · cites it directly · 6 of its ownK143753 Digital Dental Intra Oral Sensor, EzSensor Soft, EzSensor BioRayence Co., Ltd. · 2015
  6. Descendant · 2 generations on · 5 of its ownK151707 EzSensor Soft, EzSensor Soft i, EzSensor Bio, and EzSensor Bio iRayence Co., Ltd. · 2015
  7. Descendant · cites it directly · 5 of its ownK113360 Medical Image Processing UnitHumanray Co,Ltd · 2012
  8. Descendant · 2 generations on · 4 of its ownK121132 Ezsensor P Digital Intraoral SensorHumanray Co,Ltd · 2012
  9. Descendant · 3 generations on · 3 of its ownK232255 EZSensor XHDQpix Solutions, Inc. · 2023

Showing 5 of 18 descendants. See all descendants

Descendants cleared per year

2012: 22014: 22015: 52016: 12017: 12020: 22023: 22024: 12025: 12026: 1
2012high 5 (2015) · low 0 (2013)2026

Most influential descendants

Showing 5 of 18 · See all
  • K143753Digital Dental Intra Oral Sensor, EzSensor Soft, EzSensor BioRayence Co., Ltd. · 2015 · cites it directly6descendants
  • K151707EzSensor Soft, EzSensor Soft i, EzSensor Bio, and EzSensor Bio iRayence Co., Ltd. · 2015 · 2 generations on5descendants
  • K113360Medical Image Processing UnitHumanray Co,Ltd · 2012 · cites it directly5descendants
  • K121132Ezsensor P Digital Intraoral SensorHumanray Co,Ltd · 2012 · 2 generations on4descendants
  • K232255EZSensor XHDQpix Solutions, Inc. · 2023 · 3 generations on3descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K933455Computed Oral Radiology SystemSchick Technologies, Inc.1994—
−2K022953Modification to Computed Oral Radiology SystemSchick Technologies, Inc.2002—
−1K072134Schick Computed Oral Radiology SystemSchick Technologies, Inc.2007—
0 (this device)K090526Medical Image Processing Unit, Model EzsensorE-Woo Technology2009—
+1K143753Digital Dental Intra Oral Sensor, EzSensor Soft, EzSensor BioRayence Co., Ltd.2015—
+2K151707EzSensor Soft, EzSensor Soft i, EzSensor Bio, and EzSensor Bio iRayence Co., Ltd.2015—
+1K113360Medical Image Processing UnitHumanray Co,Ltd2012—
+2K121132Ezsensor P Digital Intraoral SensorHumanray Co,Ltd2012—
+3K232255EZSensor XHDQpix Solutions, Inc.2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200410

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201220
201420
201550
201610
201710
202020
202320
202410
202510
202610
FIG. 1 — Lineage of K090526, 1994–2026Source: 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 MUH? 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 MUH device

  1. #1 K242778 X Sensor (Model: IOS-A15IF, HDI-15DGF)score 16.0 · 7 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
*K072134Schick Computed Oral Radiology System
Summary page 1
…:Schick Model Name :CDR Classification Name :MQB. Solid State X-Ray Imager FDA 5 10(k)# :K072134 4. Indications for Use (intended use): Indicated for intended to collect dental x-ray photons and convert them into e…
Schick Technologies, Inc.2007—

Also cleared against K072134: 11 other devices →

What descends from it? (18)

See all 18

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

NumberDeviceApplicantDecidedDescendants
K143753Digital Dental Intra Oral Sensor, EzSensor Soft, EzSensor BioRayence Co., Ltd.20156
K113360Medical Image Processing UnitHumanray Co,Ltd20125
K150797Digital Dental Intra Oral Sensor, EzSensor SmartRayence Co., Ltd.20153
K143000RIS500Ray Co., Ltd.20152
K140056Digital Dental Intra Oral Sensor; Hdi 1000, Hdi 1000ARayence Co., Ltd.20140

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 15 years and passes through 2 companies; a new generation was cleared every 5.1 years on median.
  • None of the 4 ancestors has a recall.
  • Of its descendants, K143753 (Rayence Co., Ltd., 2015) has gone furthest, with 6 descendants of its own.
  • 11 other devices also cite its predicate K072134.

How does its category compare?

All MUH devices

MUH System, X-Ray, Extraoral Source, Digital: FDA decisions, review times, recalls and adverse event reports over 20 years. 2009, this device’s year, is highlighted.

FDA decisions per year · MUH

3in 2025

2007: 112008: 82009: 92010: 92011: 102012: 92013: 92014: 82015: 122016: 62017: 92018: 32019: 52020: 52021: 102022: 72023: 112024: 42025: 32026 (partial year): 2
2007high 12 (2015) · low 3 (2018)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MUH

159in 2025

2007: 48 days median2008: 64 days median2009: 88 days median2010: 174 days median2011: 89 days median2012: 81 days median2013: 172 days median2014: 168 days median2015: 111 days median2016: 47 days median2017: 84 days median2018: 29 days median2019: 64 days median2020: 36 days median2021: 80 days median2022: 57 days median2023: 57 days median2024: 144 days median2025: 159 days median
2007high 174 (2010) · low 29 (2018)2026

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

Recalls per year · MUH

1in 2015

2008: 12009: 22013: 12014: 12015: 1
2007high 2 (2009) · low 0 (2007)2026

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

Adverse event reports per year · MUH

1in 2025

2009: 122010: 92012: 52013: 12014: 52015: 32016: 12017: 42018: 102019: 62021: 12023: 12025: 1
2007high 12 (2009) · low 0 (2007)2025

MAUDE reports naming product code MUH, 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
2007114800
200886410
2009988212
2010917409
2011108900
201298105
2013917211
2014816815
20151211113
201664701
201798404
2018329010
201956406
202053600
2021108001
202275700
2023115701
2024414400
2025315901
20262—0—

What is it indicated for?

The EzSensor is used to collect dental x-rays photons and convert them into electronic impulses that may be stored, viewed and manipulated for diagnostic use by dentists.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K090526: Medical Image Processing Unit, Model Ezsensor.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K090526

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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