510(k) Report

510(k) · Cleared

Cleared

Expd 4343P, Expd 3643P

K193031510(k) SpecialCleared Nov 22, 201923-day reviewClass II21 CFR 892.1680

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

DRTECH Corporation · MQB Solid State X-Ray Imager (Flat Panel/Digital Imager)

Cleared on Nov 22, 2019 as substantially equivalent to K192400 (DRTECH Corporation, 2019) after a 23-day review. Its family tree reaches back 11 generations to 1998. 1 later device descends from it.

Decided
Nov 22, 2019
Review
23 days
Class
Class II
Product code
MQB
Recalls
None
Predicates
1

Its longest line of descent runs back 11 generations to K981556 (1998). 21 ancestors in all. 1 later device descends from it, 1 citing it directly.

  1. Root · 11 generations backK981556 Canon X-Ray Digital Camera Cxdi-11Canon USA, Inc. · 1998
  2. 7 generations between
  3. 3 generations backK142475 EVS 4343DRTECH Corporation · 2015
  4. 2 generations backK162555 Evs 4343, Evs 4343GDRTECH Corporation · 2016
  5. 1 generation backK192400 Evs 4343A, Evs 4343AG, Evs 3643A, Evs 3643AGDRTECH Corporation · 2019
  6. This deviceK193031 Expd 4343P, Expd 3643PDRTECH Corporation · 2019
  7. Descendant · cites it directly · 0 of its ownK232082 EXPD 4343SDRTECH Corporation · 2024
Show all 11 generations
  1. Root · 11 generations backK981556 Canon X-Ray Digital Camera Cxdi-11Canon USA, Inc. · 1998
  2. 10 generations backK992547 Canon X-Ray Digital Camera, Model Cxdi-22Canon USA, Inc. · 1999
  3. 9 generations backK023750 Cannon Digital Radiography Model Cxdi-40GCanon USA, Inc. · 2002
  4. 8 generations backK031447 Canon, Digital Radiography, Model Cxdi-50GCanon, Inc. · 2003
  5. 7 generations backK042876 Urs LP Digital, Millennium, RadproSedecal., Sa. · 2004
  6. 6 generations backK090238 Sedecal X-Plus LP Plus Digital Diagnostic X-Ray SystemsSedecal., Sa. · 2009
  7. 5 generations backK092830 Digital X-Ray Imaging System, Model DRC-1000VATECH Co., Ltd. · 2010
  8. 4 generations backK091090 Digital Flat Panel X-Ray Detector, Model Xmaru 1717E-Woo Technology · 2010
  9. 3 generations backK142475 EVS 4343DRTECH Corporation · 2015
  10. 2 generations backK162555 Evs 4343, Evs 4343GDRTECH Corporation · 2016
  11. 1 generation backK192400 Evs 4343A, Evs 4343AG, Evs 3643A, Evs 3643AGDRTECH Corporation · 2019
  12. This deviceK193031 Expd 4343P, Expd 3643PDRTECH Corporation · 2019

Most influential descendants

Showing 1 of 1 · See all
  • K232082EXPD 4343SDRTECH Corporation · 2024 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−11K981556Canon X-Ray Digital Camera Cxdi-11Canon USA, Inc.1998—
−10K992547Canon X-Ray Digital Camera, Model Cxdi-22Canon USA, Inc.1999—
−9K023750Cannon Digital Radiography Model Cxdi-40GCanon USA, Inc.2002—
−8K031447Canon, Digital Radiography, Model Cxdi-50GCanon, Inc.2003—
−7K042876Urs LP Digital, Millennium, RadproSedecal., Sa.2004—
−6K090238Sedecal X-Plus LP Plus Digital Diagnostic X-Ray SystemsSedecal., Sa.2009—
−5K092830Digital X-Ray Imaging System, Model DRC-1000VATECH Co., Ltd.2010—
−4K091090Digital Flat Panel X-Ray Detector, Model Xmaru 1717E-Woo Technology2010—
−3K142475EVS 4343DRTECH Corporation2015—
−2K162555Evs 4343, Evs 4343GDRTECH Corporation2016—
−1K192400Evs 4343A, Evs 4343AG, Evs 3643A, Evs 3643AGDRTECH Corporation2019—
0 (this device)K193031Expd 4343P, Expd 3643PDRTECH Corporation2019—
+1K232082EXPD 4343SDRTECH Corporation2024—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200010
200110
200220
200310
200620
200910
201310
201510

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202410
FIG. 1 — Lineage of K193031, 1998–2024Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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 MQB? 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 MQB device

  1. #1 K201528 Yushan X-Ray Flat Panel Detector with DROCscore 21.5 · 12 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? (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
*K192400Evs 4343A, Evs 4343AG, Evs 3643A, Evs 3643AG
Summary page 4
…oduct Code: MQB  Device Class: II 4. Identification of Predicate Device(s) [21 CFR 807.92(a) (3)]  510(k) Number: K192400  Applicant: DRTECH Corporation  Trade Name: EVS 4343A / EVS 4343AG / EVS 3643A / EVS…
DRTECH Corporation2019—

Also cleared against K192400: 2 other devices →

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K232082EXPD 4343SDRTECH Corporation20240

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 21 years and passes through 6 companies; a new generation was cleared every 1.5 years on median.
  • 3 of the 21 ancestors have a recall of any class.
  • Of its descendants, K232082 (DRTECH Corporation, 2024) has gone furthest, with 0 descendants of its own.
  • 2 other devices also cite its predicate K192400.

How does its category compare?

All MQB devices

MQB Solid State X-Ray Imager (Flat Panel/Digital Imager): FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, this device’s year, is highlighted.

FDA decisions per year · MQB

8in 2025

2007: 132008: 82009: 152010: 112011: 242012: 222013: 212014: 322015: 212016: 222017: 312018: 162019: 222020: 192021: 212022: 312023: 102024: 82025: 82026 (partial year): 3
2007high 32 (2014) · low 8 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MQB

127in 2025

2007: 22 days median2008: 15 days median2009: 57 days median2010: 116 days median2011: 102 days median2012: 80 days median2013: 105 days median2014: 102 days median2015: 81 days median2016: 92 days median2017: 30 days median2018: 30 days median2019: 30 days median2020: 28 days median2021: 48 days median2022: 48 days median2023: 30 days median2024: 187 days median2025: 127 days median2026 (partial year): 245 days median
2007high 245 (2026) · low 15 (2008)2026

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

Recalls per year · MQB

1in 2025

2007: 152008: 362009: 192010: 142011: 102012: 82013: 62017: 12018: 42019: 12020: 42021: 12025: 12026 (partial year): 1
2007high 36 (2008) · low 0 (2014)2026

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

Adverse event reports per year · MQB

141in 2025

2007: 252008: 302009: 342010: 392011: 1012012: 2672013: 1592014: 292015: 212016: 262017: 202018: 842019: 452020: 92021: 262022: 132023: 512024: 912025: 141
2007high 267 (2012) · low 9 (2020)2025

MAUDE reports naming product code MQB, 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
200713221525
20088153630
200915571934
2010111161439
20112410210101
201222808267
2013211056159
201432102029
20152181021
20162292026
20173130120
20181630484
20192230145
2020192849
20212148126
20223148013
20231030051
20248187091
202581271141
202632451—

What is it indicated for?

The EXPD 4343P / EXPD 3643P Digital X-ray detector is indicated for digital imaging solution designed for providing general radiographic diagnosis of human anatomy. This device is intended to replace film or screen based radiographic systems in all general purpose diagnostic procedures. This device is not intended for mammography applications.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K193031: Expd 4343P, Expd 3643P.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K193031

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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