510(k) Report

510(k) · Cleared

Cleared

Tuttnauer Ehs Series Table-Top Autoclave, Model 2540

K021504510(k) AbbreviatedCleared Jul 25, 200277-day reviewClass II21 CFR 880.6880

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

Tuttnauer U.S.A Co, Ltd. · FLE Sterilizer, Steam

Cleared on Jul 25, 2002 as substantially equivalent to K003470 (Tuttnauer Co., Ltd., 2001) after a 77-day review. Its family tree reaches back 1 generation to 2001. 11 later devices descend from it.

Decided
Jul 25, 2002
Review
77 days
Class
Class II
Product code
FLE
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K003470 (2001). 11 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2011: 1 descendant cleared2015: 1 descendant cleared2022: 3 descendants cleared2018: 1 descendant cleared2016: 1 descendant cleared2023: 1 descendant cleared2025: 2 descendants cleared2017: 1 descendant clearedK003470 · Ehs Series Table Top Autoclave, Models 2540 and 3870 · Tuttnauer Co., Ltd. · 2001200020052010201520202025
Descendants, by generation 1 generation forward: 1 descendant2 generations forward: 4 descendants3 generations forward: 4 descendants4 generations forward: 2 descendants K003470 · Ehs Series Table Top Autoclave, Models 2540 and 3870 · Tuttnauer Co., Ltd. · 20010
  1. Root · 1 generation backK003470 Ehs Series Table Top Autoclave, Models 2540 and 3870Tuttnauer Co., Ltd. · 2001
  2. This deviceK021504 Tuttnauer Ehs Series Table-Top Autoclave, Model 2540Tuttnauer U.S.A Co, Ltd. · 2002
  3. Descendant · cites it directly · 10 of its ownK111736 Tuttnauer EZ Plus Series Electronic Tabletop AutoclavesTuttnauer Co., Ltd. · 2011
  4. Descendant · 2 generations on · 6 of its ownK143311 Pre-vacuum Tabletop AutoclaveTuttnauer U.S.A Co, Ltd. · 2015
  5. Descendant · 2 generations on · 2 of its ownK213080 T-Edge 10, T-Edge 11Tuttnauer, Ltd. · 2022
  6. Descendant · 3 generations on · 1 of its ownK232658 T-Top 10 & T-Top T-Top 11Tuttnauer U.S.A Co, Ltd. · 2023
  7. Descendant · 2 generations on · 1 of its ownK213457 Fort Defiance Industries FRONT-LINE Field Sterilizer FL120, Fort…Fort Defiance Industries, LLC · 2022

Showing 5 of 11 descendants. See all descendants

Descendants cleared per year

2011: 12015: 12016: 12017: 12018: 12022: 32023: 12025: 2
2011high 3 (2022) · low 0 (2012)2026

Most influential descendants

Showing 5 of 11 · See all
  • K111736Tuttnauer EZ Plus Series Electronic Tabletop AutoclavesTuttnauer Co., Ltd. · 2011 · cites it directly10descendants
  • K143311Pre-vacuum Tabletop AutoclaveTuttnauer U.S.A Co, Ltd. · 2015 · 2 generations on6descendants
  • K213080T-Edge 10, T-Edge 11Tuttnauer, Ltd. · 2022 · 2 generations on2descendants
  • K232658T-Top 10 & T-Top T-Top 11Tuttnauer U.S.A Co, Ltd. · 2023 · 3 generations on1descendant
  • K213457Fort Defiance Industries FRONT-LINE Field Sterilizer FL120, Fort Defiance Industries…Fort Defiance Industries, LLC · 2022 · 2 generations on1descendant
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K003470Ehs Series Table Top Autoclave, Models 2540 and 3870Tuttnauer Co., Ltd.2001—
0 (this device)K021504Tuttnauer Ehs Series Table-Top Autoclave, Model 2540Tuttnauer U.S.A Co, Ltd.2002—
+1K111736Tuttnauer EZ Plus Series Electronic Tabletop AutoclavesTuttnauer Co., Ltd.2011—
+2K143311Pre-vacuum Tabletop AutoclaveTuttnauer U.S.A Co, Ltd.2015—
+2K213080T-Edge 10, T-Edge 11Tuttnauer, Ltd.2022—
+3K232658T-Top 10 & T-Top T-Top 11Tuttnauer U.S.A Co, Ltd.2023—
+2K213457Fort Defiance Industries FRONT-LINE Field Sterilizer FL120, Fort Defiance…Fort Defiance Industries, LLC2022—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201110
201510
201610
201710
201810
202230
202310
202520
FIG. 1 — Lineage of K021504, 2001–2025Source: 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 FLE? 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 FLE device

  1. #1 K250168 Life Ultra 25L Tabletop Mono Chamber Steam…score 12.7 · 8 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
*K003470Ehs Series Table Top Autoclave, Models 2540 and 3870Tuttnauer Co., Ltd.2001—

Also cleared against K003470: 2 other devices →

What descends from it? (11)

See all 11

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

NumberDeviceApplicantDecidedDescendants
K111736Tuttnauer EZ Plus Series Electronic Tabletop AutoclavesTuttnauer Co., Ltd.201110

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?

  • Its one ancestor has no recall.
  • Of its descendants, K111736 (Tuttnauer Co., Ltd., 2011) has gone furthest, with 10 descendants of its own.
  • 2 other devices also cite its predicate K003470.

How does its category compare?

All FLE devices

FLE Sterilizer, Steam: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · FLE

4in 2025

2007: 52008: 12009: 82010: 22011: 52012: 52013: 52014: 22015: 32016: 12017: 32018: 82019: 52020: 22021: 52022: 102023: 72024: 22025: 42026 (partial year): 3
2007high 10 (2022) · low 1 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FLE

184in 2025

2007: 67 days median2009: 109 days median2011: 141 days median2012: 111 days median2013: 241 days median2015: 302 days median2017: 233 days median2018: 146 days median2019: 192 days median2021: 147 days median2022: 133 days median2023: 88 days median2025: 184 days median2026 (partial year): 85 days median
2007high 302 (2015) · low 67 (2007)2026

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

Recalls per year · FLE

1in 2021

2007: 12008: 12011: 12012: 12013: 22015: 12018: 12019: 22021: 12026 (partial year): 1
2007high 2 (2013) · low 0 (2009)2026

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

Adverse event reports per year · FLE

71in 2025

2007: 192008: 212009: 192010: 202011: 632012: 692013: 1122014: 1132015: 682016: 762017: 632018: 902019: 912020: 872021: 812022: 702023: 662024: 642025: 71
2007high 113 (2014) · low 19 (2007)2025

MAUDE reports naming product code FLE, 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
2007567119
20081—121
20098109019
20102—020
20115141163
20125111169
201352412112
20142—0113
20153302168
20161—076
20173233063
20188146190
20195192291
20202—087
20215147181
202210133070
2023788066
20242—064
20254184071
20263851—

What is it indicated for?

The 2540 EHS Table-Top Autoclave is intended to provide sterilization of medical and dental instruments (wrapped and unwrapped), including complex lumened devices such as dental handpieces, porous, hollow loads, and to sterilize liquids for non-clinical applications. Cycle parameters are as follows:

The 2540 EHS Table-Top Autoclave is intended to provide sterilization of medical and dental instruments (wrapped and unwrapped), including complex lumened devices such as dental handpieces, porous, hollow loads, and to sterilize liquids for non-clinical applications. Cycle parameters are as follows:

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K021504: Tuttnauer Ehs Series Table-Top Autoclave, Model 2540.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K021504

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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