510(k) · Cleared
ClearedPRIMUS Healthcare Sterilizer (Model PSS11-HC)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Primus Sterilizer Company, LLC · FLE Sterilizer, Steam
Cleared on Feb 10, 2023 as substantially equivalent to K093333 (Primus Sterilizer Company, LLC, 2010) and 1 other predicate after a 266-day review. Its family tree reaches back 6 generations to 1982. 1 later device descends from it.
- Decided
- Feb 10, 2023
- Review
- 266 days
- Class
- Class II
- Product code
- FLE
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 6 generations to K820783 (1982). 10 ancestors in all. 1 later device descends from it, 1 citing it directly.
- Root · 6 generations backK820783 Castle Microcomputer Sterilizer ControlSybron Corp. · 1982
- 5 generations backK970907 Castle Series 100 Steam Sterilizers (Straightline)Getinge/Castle, Inc. · 1997
- 4 generations backK994314 Castle Series 100HC Steam SterilizersGetinge/Castle, Inc. · 2000
- 3 generations backK012573 Castle 400HC/500HC Series Steam Sterilizer, Models 422HC, 433HC…Getinge/Castle, Inc. · 2001
- 2 generations backK030789 Amsco Century Steam SterilizerSTERIS Corporation · 2003
- 1 generation backK111223 Amsco Chimeron Small Steam SterilizerSTERIS Corporation · 2011 · Recalled
- This deviceK221474 PRIMUS Healthcare Sterilizer (Model PSS11-HC)Primus Sterilizer Company, LLC · 2023
- Descendant · cites it directly · 0 of its ownK233132 PRIMUS Healthcare Sterilizer (Model PSS11-HA & PSS11-HB)Primus Sterilizer Company, LLC · 2023
Most influential descendants
Showing 1 of 1 · See all- K233132PRIMUS Healthcare Sterilizer (Model PSS11-HA & PSS11-HB)Primus Sterilizer Company, LLC · 2023 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −6 | K820783 | Castle Microcomputer Sterilizer Control | Sybron Corp. | 1982 | — |
| −5 | K970907 | Castle Series 100 Steam Sterilizers (Straightline) | Getinge/Castle, Inc. | 1997 | — |
| −4 | K994314 | Castle Series 100HC Steam Sterilizers | Getinge/Castle, Inc. | 2000 | — |
| −3 | K012573 | Castle 400HC/500HC Series Steam Sterilizer, Models 422HC, 433HC, 522HC, and… | Getinge/Castle, Inc. | 2001 | — |
| −2 | K030789 | Amsco Century Steam Sterilizer | STERIS Corporation | 2003 | — |
| −1 | K111223 | Amsco Chimeron Small Steam Sterilizer | STERIS Corporation | 2011 | 3 |
| 0 (this device) | K221474 | PRIMUS Healthcare Sterilizer (Model PSS11-HC) | Primus Sterilizer Company, LLC | 2023 | — |
| +1 | K233132 | PRIMUS Healthcare Sterilizer (Model PSS11-HA & PSS11-HB) | Primus Sterilizer Company, LLC | 2023 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2023 | 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 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 K250168 Life Ultra 25L Tabletop Mono Chamber Steam…score 12.7 · 8 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K093333 | Primus Steam Sterilizer PSS8-AA (16X16X26 Multi Functional Sterilizer), Lab/LO…Summary page 7…neral Hospital Device Class: Class II Product Code: FLE 1. PRIMUS PSS8 Steam Sterilizer Series (K093333) Regulation number: 21 CFR 880.6880 Regulation Name: Steam Sterilization… | 2010 |
| * | K111223 | Amsco Chimeron Small Steam SterilizerSummary page 7…oduct Code: FLE Predicate Device: Review panel: General Hospital 2. AMSCO CHIMERON Small Steam Sterilizer (K111223) Regulation number: 21 CFR 880.6880 Regulation Name: Steam Sterilization… | 2011 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K233132 | PRIMUS Healthcare Sterilizer (Model PSS11-HA & PSS11-HB) | 2023 | 0 |
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 41 years and passes through 4 companies; a new generation was cleared every 8.5 years on median.
- 2 of the 10 ancestors have a recall of any class.
- Of its descendants, K233132 (Primus Sterilizer Company, LLC, 2023) has gone furthest, with 0 descendants of its own.
How does its category compare?
All FLE devicesFLE Sterilizer, Steam: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.
FDA decisions per year · FLE
4in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · FLE
184in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · FLE
1in 2021
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · FLE
71in 2025
MAUDE reports naming product code FLE, 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 | 5 | 67 | 1 | 19 |
| 2008 | 1 | — | 1 | 21 |
| 2009 | 8 | 109 | 0 | 19 |
| 2010 | 2 | — | 0 | 20 |
| 2011 | 5 | 141 | 1 | 63 |
| 2012 | 5 | 111 | 1 | 69 |
| 2013 | 5 | 241 | 2 | 112 |
| 2014 | 2 | — | 0 | 113 |
| 2015 | 3 | 302 | 1 | 68 |
| 2016 | 1 | — | 0 | 76 |
| 2017 | 3 | 233 | 0 | 63 |
| 2018 | 8 | 146 | 1 | 90 |
| 2019 | 5 | 192 | 2 | 91 |
| 2020 | 2 | — | 0 | 87 |
| 2021 | 5 | 147 | 1 | 81 |
| 2022 | 10 | 133 | 0 | 70 |
| 2023 | 7 | 88 | 0 | 66 |
| 2024 | 2 | — | 0 | 64 |
| 2025 | 4 | 184 | 0 | 71 |
| 2026 | 3 | 85 | 1 | — |
What is it indicated for?
The PRIMUS Healthcare Sterilizer (Model PSS11-HC) is designed for use in surgery, central sterile, and surgery centers.
The PRIMUS Healthcare Sterilizer provides efficient steam sterilization of non-porous and porous, heat and moisture stable materials. The sterilizer can be used on various materials that withstand operating temperatures; however, the materials that cannot withstand operating temperatures should not be sterilized using the PRIMUS Healthcare Sterilizer.
A table describing the Cycle, Exp. temp., Exp. time, Dry time, Recommended load, and maximum items per chamber size is available on the next page.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K221474 · printed Nov 6, 2026
Cite this page
510(k) Report. “K221474: PRIMUS Healthcare Sterilizer (Model PSS11-HC).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K221474
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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