510(k) · Cleared
ClearedCELERITY 20 Steam Process Challenge Device for Gravity Cycles
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
STERIS Corporation · FRC Indicator, Biological Sterilization Process
Cleared on Feb 21, 2018 as substantially equivalent to K170070 (STERIS Corporation, 2017) after an 89-day review. Its family tree reaches back 5 generations to 1995.
- Decided
- Feb 21, 2018
- Review
- 89 days
- Class
- Class II
- Product code
- FRC
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 5 generations to K926364 (1995). 9 ancestors in all, the oldest K900771 (1990). No later device cites it as a predicate yet.
- Root · 5 generations backK926364 Attest Brand Rapid Readout Biological Ind. #129X3M Health Care, Ltd. · 1995
- 4 generations backK090569 Modification to: Attest Rapid Readout Biological Indicator, Mode 12923M Company · 2009
- 3 generations backK121484 3M Attest (TM) Super Rapid Readout Biological Indicator, 3M Attest…3M Company · 2012
- 2 generations backK121593 3M Attest (TM) Super Radid Readout Steam Challenge Pack 3M Attest…3M Company · 2013
- 1 generation backK170070 VERIFY ASSERT STEAM Process Challenge Device for Gravity CyclesSTERIS Corporation · 2017
- This deviceK173629 CELERITY 20 Steam Process Challenge Device for Gravity CyclesSTERIS Corporation · 2018
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −5 | K926364 | Attest Brand Rapid Readout Biological Ind. #129X | 3M Health Care, Ltd. | 1995 | — |
| −4 | K090569 | Modification to: Attest Rapid Readout Biological Indicator, Mode 1292 | 3M Company | 2009 | — |
| −3 | K121484 | 3M Attest (TM) Super Rapid Readout Biological Indicator, 3M Attest (TM)… | 3M Company | 2012 | — |
| −2 | K121593 | 3M Attest (TM) Super Radid Readout Steam Challenge Pack 3M Attest (TM) Super… | 3M Company | 2013 | — |
| −1 | K170070 | VERIFY ASSERT STEAM Process Challenge Device for Gravity Cycles | STERIS Corporation | 2017 | — |
| 0 (this device) | K173629 | CELERITY 20 Steam Process Challenge Device for Gravity Cycles | STERIS Corporation | 2018 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1990 | 1 | 0 |
| 1994 | 1 | 0 |
| 2002 | 1 | 0 |
| 2011 | 1 | 0 |
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 FRC? 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 FRC device
- #1 K250044 Celerity 5 HP Biological Indicator (LCB052)…score 14.5 · 10 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K170070 | VERIFY ASSERT STEAM Process Challenge Device for Gravity CyclesSummary page 5…on Process Indicator (21 CFR 880.2800, FRC) 2. Predicate Device VERIFY Assert STEAM Process Challenge Device for Gravity Cycles, K170070 3. Description of Device Celerity 20 Steam Process Challenge Device for Gravity Cycles (PCD), contains a Celerit… | 2017 |
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?
- The line of descent spans 23 years and passes through 3 companies; a new generation was cleared every 3.5 years on median.
- 1 of the 9 ancestors has a recall of any class.
How does its category compare?
All FRC devicesFRC Indicator, Biological Sterilization Process: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.
FDA decisions per year · FRC
6in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · FRC
29in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · FRC
8so far in 2026, the most since 2007
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · FRC
9in 2025
MAUDE reports naming product code FRC, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 3 | 83 | 0 | 100 |
| 2008 | 1 | — | 0 | 60 |
| 2009 | 6 | 183 | 1 | 45 |
| 2010 | 4 | 165 | 0 | 57 |
| 2011 | 6 | 118 | 0 | 37 |
| 2012 | 9 | 178 | 2 | 46 |
| 2013 | 4 | 260 | 2 | 39 |
| 2014 | 13 | 174 | 0 | 51 |
| 2015 | 3 | 130 | 0 | 182 |
| 2016 | 2 | — | 0 | 482 |
| 2017 | 10 | 130 | 0 | 182 |
| 2018 | 18 | 97 | 0 | 22 |
| 2019 | 5 | 88 | 0 | 30 |
| 2020 | 10 | 150 | 0 | 16 |
| 2021 | 5 | 107 | 0 | 10 |
| 2022 | 5 | 193 | 4 | 9 |
| 2023 | 6 | 190 | 1 | 20 |
| 2024 | 8 | 105 | 0 | 22 |
| 2025 | 6 | 29 | 0 | 9 |
| 2026 | 1 | — | 8 | — |
What is it indicated for?
The Celerity 20 Steam Challenge Pack is used for qualification, routine microbial monitoring, and load monitoring of steam sterilizers.
The validated steam sterilization cycles include:
250°F (121°C) 30-minute gravity
270°F (132°C) 15-minute gravity
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K173629 · printed Nov 6, 2026
Cite this page
510(k) Report. “K173629: CELERITY 20 Steam Process Challenge Device for Gravity Cycles.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K173629
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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