510(k) Report

510(k) · Cleared

Cleared

T-8000 Therozone Unit

K141504510(k) TraditionalCleared Feb 24, 2015263-day reviewClass I21 CFR 872.6640

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

Therozone USA, Inc. · EIA Unit, Operative Dental

Cleared on Feb 24, 2015 as substantially equivalent to K991946 (Sterilex Corp., 1999) and 1 other predicate after a 263-day review. Its family tree reaches back 1 generation to 1997.

Decided
Feb 24, 2015
Review
263 days
Class
Class I
Product code
EIA
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K964796 (1997). 2 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 1999: 1 other ancestorK964796 · Odyssey I Dental Water Unit · Germiphene Corp. · 199719952000200520102015
Other ancestors, by generation 1 generation back: 1 other ancestor K964796 · Odyssey I Dental Water Unit · Germiphene Corp. · 19970
  1. Root · 1 generation backK964796 Odyssey I Dental Water UnitGermiphene Corp. · 1997
  2. This deviceK141504 T-8000 Therozone UnitTherozone USA, Inc. · 2015
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K964796Odyssey I Dental Water UnitGermiphene Corp.1997—
0 (this device)K141504T-8000 Therozone UnitTherozone USA, Inc.2015—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199910
FIG. 1 — Lineage of K141504, 1997–2015Source: 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 EIA? 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 EIA device

  1. #1 K231845 Dental unit Model: Marescore 14.4 · 6 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? (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
*K991946Ultra-Kleen Powder for Dental Unit Water Lines, Models 513P, 505L
Summary page 4
…tive Unit (accessory) NAME: DEVICE Class II, per 21 CFR 872.6640 CLASSIFICATION: PRODUCT CODE EIA PREDICATE DEVICES: UltraKleen(K991946) Odyssey Dental Water Unit (K964796) Substantially Equivalent To: The T-8000 TherOzone Unit is substanti…
Sterilex Corp.1999—
*K964796Odyssey I Dental Water Unit
Summary page 4
…lass II, per 21 CFR 872.6640 CLASSIFICATION: PRODUCT CODE EIA PREDICATE DEVICES: UltraKleen(K991946) Odyssey Dental Water Unit (K964796) Substantially Equivalent To: The T-8000 TherOzone Unit is substantially equivalent in intended use, principal of operation an…
Germiphene Corp.1997—

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?

  • None of the 2 ancestors has a recall.

How does its category compare?

All EIA devices

EIA Unit, Operative Dental: FDA decisions, review times, recalls and adverse event reports over 20 years. 2015, this device’s year, is highlighted.

FDA decisions per year · EIA

7in 2025

2007: 32008: 62009: 32010: 32011: 52012: 22013: 22014: 22015: 72016: 42017: 12018: 22019: 22020: 12022: 32023: 32024: 32025: 72026 (partial year): 2
2007high 7 (2015) · low 0 (2021)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · EIA

178in 2025

2007: 90 days median2008: 72 days median2009: 109 days median2010: 270 days median2011: 150 days median2015: 214 days median2016: 182 days median2022: 265 days median2023: 686 days median2024: 251 days median2025: 178 days median
2007high 686 (2023) · low 72 (2008)2026

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

Recalls per year · EIA

1in 2013

2012: 12013: 1
2007high 1 (2012) · low 0 (2007)2026

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

Adverse event reports per year · EIA

47in 2025

2010: 22011: 32012: 72013: 62014: 2552015: 4522016: 1512017: 642018: 732019: 682020: 482021: 492022: 442023: 532024: 532025: 47
2007high 452 (2015) · low 0 (2007)2025

MAUDE reports naming product code EIA, 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
200739000
200867200
2009310900
2010327002
2011515003
20122—17
20132—16
20142—0255
201572140452
201641820151
20171—064
20182—073
20192—068
20201—048
20210—049
20223265044
20233686053
20243251053
20257178047
20262—0—

What is it indicated for?

The T-8000 TherOzone Unit is intended for the reduction of microorganisms in dental unit water lines.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K141504: T-8000 Therozone Unit.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K141504

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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