510(k) Report

510(k) · Cleared

Cleared

Tuttnauer Table-Top Autoclave

K973550510(k) TraditionalCleared Oct 29, 199741-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 Oct 29, 1997 as substantially equivalent to K833837 (Tuttnauer Co., Ltd., 1984) after a 41-day review. Its family tree reaches back 1 generation to 1984.

Decided
Oct 29, 1997
Review
41 days
Class
Class II
Product code
FLE
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K833837 (1984). No later device cites it as a predicate yet.

K833837 · American Gold Series Autoclave · Tuttnauer Co., Ltd. · 19841980198519901995
K833837 · American Gold Series Autoclave · Tuttnauer Co., Ltd. · 19840
  1. Root · 1 generation backK833837 American Gold Series AutoclaveTuttnauer Co., Ltd. · 1984
  2. This deviceK973550 Tuttnauer Table-Top AutoclaveTuttnauer U.S.A Co, Ltd. · 1997
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K833837American Gold Series AutoclaveTuttnauer Co., Ltd.1984—
0 (this device)K973550Tuttnauer Table-Top AutoclaveTuttnauer U.S.A Co, Ltd.1997—
FIG. 1 — Lineage of K973550, 1984–1997Source: 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
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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
*K833837American Gold Series Autoclave
Summary page 1
…d to be substantially equivalent in safety and effectiveness to the Tuttnauer Model M series autoclave that 1s currently cleared and legally marketed under 510(k) number K833837. With the exception of the change from a ball-type thrust bearing to a solid type thrust bearing in the door closure mechanism, t…
Tuttnauer Co., Ltd.1984—

Also cleared against K833837: 1 other device →

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?

  • Its one ancestor has no recall.
  • 1 other device also cites its predicate K833837.

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?

Tuttnauer electronic and manual controlled autoclaves are intended to be used for sterilization of solid metal instruments, solid metal hinged instruments and other materials that will withstand temperatures and pressure required for sterilization. The sterilizers have 3 cycles: unwrapped instruments (134°C at 3 minutes and 29 psi); wrapped instruments (134°C at 7 minutes and 29 psi); and liquids (121°C at 30 minutes and 16 psi). In the “E” Series; these…

Read the full statement (118 words)

Tuttnauer electronic and manual controlled autoclaves are intended to be used for sterilization of solid metal instruments, solid metal hinged instruments and other materials that will withstand temperatures and pressure required for sterilization.

The sterilizers have 3 cycles: unwrapped instruments (134°C at 3 minutes and 29 psi); wrapped instruments (134°C at 7 minutes and 29 psi); and liquids (121°C at 30 minutes and 16 psi). In the “E” Series; these cycles are pre-programmed, whereas in the “M” Series the user must manually set the parameters, however, these parameters are recommended in the labeling.

These autoclaves are intended for use in ophthalmic, dental and medical clinics, first aid rooms, and small laboratories in conformity with 21 C.F.R. § 880.6880.

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. “K973550: Tuttnauer Table-Top Autoclave.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K973550

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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