510(k) Report

510(k) · Cleared

Cleared

PAX-500

K082350510(k) TraditionalCleared Oct 10, 200856-day reviewClass II21 CFR 892.1750

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

VATECH Co., Ltd. · OAS X-Ray, Tomography, Computed, Dental

Cleared on Oct 10, 2008 as substantially equivalent to K063773 (Instrumentarium Dental, Inc., 2007) after a 56-day review. Its family tree reaches back 2 generations to 1997. 67 later devices descend from it.

Decided
Oct 10, 2008
Review
56 days
Class
Class II
Product code
OAS
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K973642 (1997). 67 later devices descend from it, 4 citing it directly.

Descendants, by year cleared 2010: 2 descendants cleared2009: 3 descendants cleared2011: 2 descendants cleared2012: 6 descendants cleared2014: 3 descendants cleared2013: 4 descendants cleared2016: 6 descendants cleared2017: 2 descendants cleared2015: 3 descendants cleared2019: 3 descendants cleared2022: 4 descendants cleared2020: 3 descendants cleared2018: 6 descendants cleared2025: 7 descendants cleared2024: 2 descendants cleared2021: 5 descendants cleared2026: 4 descendants cleared2023: 2 descendants clearedK973642 · Orthopantomograph OP100 and Orthoceph OC100 · Instrumentarium Imaging, Inc. · 1997K063773 · Volumetric Tomography · Instrumentarium Dental, Inc. · 20071995200020052010201520202025
Descendants, by generation 1 generation forward: 4 descendants2 generations forward: 4 descendants3 generations forward: 4 descendants4 generations forward: 4 descendants5 generations forward: 8 descendants6 generations forward: 11 descendants7 generations forward: 8 descendants8 generations forward: 8 descendants9 generations forward: 5 descendants10 generations forward: 5 descendants11 generations forward: 5 descendants12 generations forward: 1 descendant K063773 · Volumetric Tomography · Instrumentarium Dental, Inc. · 2007K973642 · Orthopantomograph OP100 and Orthoceph OC100 · Instrumentarium Imaging, Inc. · 19970+5+10
  1. Root · 2 generations backK973642 Orthopantomograph OP100 and Orthoceph OC100Instrumentarium Imaging, Inc. · 1997
  2. 1 generation backK063773 Volumetric TomographyInstrumentarium Dental, Inc. · 2007
  3. This deviceK082350 PAX-500VATECH Co., Ltd. · 2008
  4. Descendant · cites it directly · 59 of its ownK090171 Computed Tomography X-Ray System, Pax-REVE3DE-Woo Technology · 2009
  5. Descendant · 2 generations on · 42 of its ownK102259 Dental Computed Tomography X-Ray SystemVATECH Co., Ltd. · 2011
  6. Descendant · 3 generations on · 28 of its ownK121412 Pax-FLEX3D, PHT-7000VATECH Co., Ltd. · 2012
  7. Descendant · 4 generations on · 27 of its ownK122606 PHT-6500; PHT-60CFO; Pax-I3DMtechgroup · 2012
  8. Descendant · 5 generations on · 25 of its ownK152106 Dental Computed Tomography X-ray System, PHT-30LFO, PaX-i3D SmartVATECH Co., Ltd. · 2015

Showing 5 of 67 descendants. See all descendants

Descendants cleared per year

2009: 32010: 22011: 22012: 62013: 42014: 32015: 32016: 62017: 22018: 62019: 32020: 32021: 52022: 42023: 22024: 22025: 72026: 4
2009high 7 (2025) · low 2 (2010)2026

Most influential descendants

Showing 5 of 67 · See all
  • K090171Computed Tomography X-Ray System, Pax-REVE3DE-Woo Technology · 2009 · cites it directly59descendants
  • K102259Dental Computed Tomography X-Ray SystemVATECH Co., Ltd. · 2011 · 2 generations on42descendants
  • K121412Pax-FLEX3D, PHT-7000VATECH Co., Ltd. · 2012 · 3 generations on28descendants
  • K122606PHT-6500; PHT-60CFO; Pax-I3DMtechgroup · 2012 · 4 generations on27descendants
  • K152106Dental Computed Tomography X-ray System, PHT-30LFO, PaX-i3D SmartVATECH Co., Ltd. · 2015 · 5 generations on25descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K973642Orthopantomograph OP100 and Orthoceph OC100Instrumentarium Imaging, Inc.1997—
−1K063773Volumetric TomographyInstrumentarium Dental, Inc.2007—
0 (this device)K082350PAX-500VATECH Co., Ltd.2008—
+1K090171Computed Tomography X-Ray System, Pax-REVE3DE-Woo Technology2009—
+2K102259Dental Computed Tomography X-Ray SystemVATECH Co., Ltd.2011—
+3K121412Pax-FLEX3D, PHT-7000VATECH Co., Ltd.2012—
+4K122606PHT-6500; PHT-60CFO; Pax-I3DMtechgroup2012—
+5K152106Dental Computed Tomography X-ray System, PHT-30LFO, PaX-i3D SmartVATECH Co., Ltd.2015—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200930
201020
201120
201260
201340
201430
201530
201660
201720
201860
201930
202030
202150
202240
202320
202420
202570
202640
FIG. 1 — Lineage of K082350, 1997–2026Source: 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 OAS? 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 OAS device

  1. #1 K213226 RCT700score 18.0 · 13 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
*K063773Volumetric Tomography
Summary page 1
…ate Device: Manufacturer Instrumentarium Dental Inc. Device OP-200 510(k) Number K063773 (Decision Date - Jan. 31. 2007) 4. Classifications Names & Citations: 21CFR 892.1750, OAS, X-RAY, TOMOGRAPHY,…
Instrumentarium Dental, Inc.2007—

Also cleared against K063773: 1 other device →

What descends from it? (67)

See all 67

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

NumberDeviceApplicantDecidedDescendants
K090171Computed Tomography X-Ray System, Pax-REVE3DE-Woo Technology200959
K090991Computed Tomography X-Ray System, Model Picasso-DuoE-Woo Technology20093
K090467Digital X-Ray Imaging System, Model Pax-UNI3DVATECH Co., Ltd.20101
K083917X-Ray, Tomography, Computed, DentalSuni Medical Imaging, Inc.20090

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 11 years and passes through 3 companies; a new generation was cleared every 9.2 years on median.
  • None of the 2 ancestors has a recall.
  • Of its descendants, K090171 (E-Woo Technology, 2009) has gone furthest, with 59 descendants of its own.
  • 1 other device also cites its predicate K063773.

How does its category compare?

All OAS devices

OAS X-Ray, Tomography, Computed, Dental: FDA decisions, review times, recalls and adverse event reports over 20 years. 2008, this device’s year, is highlighted.

FDA decisions per year · OAS

9in 2025

2007: 22008: 22009: 22010: 12011: 62012: 72013: 102014: 52015: 52016: 122017: 42018: 112019: 72020: 92021: 112022: 62023: 122024: 42025: 92026 (partial year): 9
2007high 12 (2016) · low 1 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OAS

144in 2025

2011: 168 days median2012: 110 days median2013: 155 days median2014: 170 days median2015: 164 days median2016: 154 days median2017: 209 days median2018: 57 days median2019: 55 days median2020: 113 days median2021: 92 days median2022: 105 days median2023: 77 days median2024: 129 days median2025: 144 days median2026 (partial year): 77 days median
2007high 209 (2017) · low 55 (2019)2026

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

Recalls per year · OAS

3in 2025

2015: 12025: 3
2007high 3 (2025) · low 0 (2007)2026

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

Adverse event reports per year · OAS

1in 2025

2008: 12019: 12022: 12023: 12024: 22025: 1
2007high 2 (2024) · low 0 (2007)2025

MAUDE reports naming product code OAS, 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
20072—00
20082—01
20092—00
20101—00
2011616800
2012711000
20131015500
2014517000
2015516410
20161215400
2017420900
2018115700
201975501
2020911300
2021119200
2022610501
2023127701
2024412902
2025914431
20269770—

What is it indicated for?

The PaX-500 is a computed tomography x-ray system which is a diagnostic x-ray system intended to produce panoramic, cephalometric and cross-sectional images for dental examination and diagnosis of diseases of the teeth, jaw and oral structures by computer reconstruction of x-ray transmission data from the same axial plane taken at different angles.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K082350: PAX-500.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K082350

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