510(k) Report

510(k) · Cleared

Cleared

R-Sensor, R-Sensor

K200284510(k) TraditionalCleared Feb 28, 202023-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

Remedi Co., Ltd. · MUH System, X-Ray, Extraoral Source, Digital

Cleared on Feb 28, 2020 as substantially equivalent to K151926 (Denterprise International, Inc., 2015) after a 23-day review. Its family tree reaches back 6 generations to 1994.

Decided
Feb 28, 2020
Review
23 days
Class
Class II
Product code
MUH
Recalls
None
Predicates
1

Its longest line of descent runs back 6 generations to K933455 (1994). 14 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 6 generations backK933455 Computed Oral Radiology SystemSchick Technologies, Inc. · 1994
  2. 5 generations backK022953 Modification to Computed Oral Radiology SystemSchick Technologies, Inc. · 2002
  3. 4 generations backK072134 Schick Computed Oral Radiology SystemSchick Technologies, Inc. · 2007
  4. 3 generations backK103290 Edlen Imaging - Gemini DusbEdlen Imaging, LLC · 2011
  5. 2 generations backK150823 EDLENi Intra-Oral SensorEdlen Imaging, LLC · 2015
  6. 1 generation backK151926 QuickRay HD Intraoral SensorDenterprise International, Inc. · 2015
  7. This deviceK200284 R-Sensor, R-SensorRemedi Co., Ltd. · 2020
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K933455Computed Oral Radiology SystemSchick Technologies, Inc.1994—
−5K022953Modification to Computed Oral Radiology SystemSchick Technologies, Inc.2002—
−4K072134Schick Computed Oral Radiology SystemSchick Technologies, Inc.2007—
−3K103290Edlen Imaging - Gemini DusbEdlen Imaging, LLC2011—
−2K150823EDLENi Intra-Oral SensorEdlen Imaging, LLC2015—
−1K151926QuickRay HD Intraoral SensorDenterprise International, Inc.2015—
0 (this device)K200284R-Sensor, R-SensorRemedi Co., Ltd.2020—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199510
200210
200310
200410
200610
200710
201010
201410
FIG. 1 — Lineage of K200284, 1994–2020Source: 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
*K151926QuickRay HD Intraoral Sensor
Summary page 5
…ndards in Premarket Submissions for Medical Devices Predicate Device The following predicate is a legally marketed, post-amendment device: 510(k) Number: K151926 Clearance Date: December 14, 2015 Actual Trade Name: QuickRay HD Regulation & PC: 872.1800; MUH K151926 is identic…
Denterprise International, Inc.2015—
†K983111Xray VisionApteryx, Inc.1998—

Also cleared against K151926: 6 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 26 years and passes through 4 companies; a new generation was cleared every 4.2 years on median.
  • None of the 14 ancestors has a recall.
  • 6 other devices also cite its predicate K151926.

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. 2020, 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?

R-Sensor is used for a radiographic examination by a dental professional to assist in the diagnosing of diseases of the teeth, jaw and oral structures.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K200284: R-Sensor, R-Sensor.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K200284

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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