510(k) Report

510(k) · Cleared

Cleared

PRIMUS Healthcare Sterilizer (Model PSS11-HA & PSS11-HB)

K233132510(k) AbbreviatedCleared Dec 19, 202383-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

Primus Sterilizer Company, LLC · FLE Sterilizer, Steam

Cleared on Dec 19, 2023 as substantially equivalent to K221474 (Primus Sterilizer Company, LLC, 2023) after an 83-day review. Its family tree reaches back 7 generations to 1982.

Decided
Dec 19, 2023
Review
83 days
Class
Class II
Product code
FLE
Recalls
None
Predicates
1

Its longest line of descent runs back 7 generations to K820783 (1982). 11 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 7 generations backK820783 Castle Microcomputer Sterilizer ControlSybron Corp. · 1982
  2. 6 generations backK970907 Castle Series 100 Steam Sterilizers (Straightline)Getinge/Castle, Inc. · 1997
  3. 5 generations backK994314 Castle Series 100HC Steam SterilizersGetinge/Castle, Inc. · 2000
  4. 4 generations backK012573 Castle 400HC/500HC Series Steam Sterilizer, Models 422HC, 433HC…Getinge/Castle, Inc. · 2001
  5. 3 generations backK030789 Amsco Century Steam SterilizerSTERIS Corporation · 2003
  6. 2 generations backK111223 Amsco Chimeron Small Steam SterilizerSTERIS Corporation · 2011 · Recalled
  7. 1 generation backK221474 PRIMUS Healthcare Sterilizer (Model PSS11-HC)Primus Sterilizer Company, LLC · 2023
  8. This deviceK233132 PRIMUS Healthcare Sterilizer (Model PSS11-HA & PSS11-HB)Primus Sterilizer Company, LLC · 2023
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K820783Castle Microcomputer Sterilizer ControlSybron Corp.1982—
−6K970907Castle Series 100 Steam Sterilizers (Straightline)Getinge/Castle, Inc.1997—
−5K994314Castle Series 100HC Steam SterilizersGetinge/Castle, Inc.2000—
−4K012573Castle 400HC/500HC Series Steam Sterilizer, Models 422HC, 433HC, 522HC, and…Getinge/Castle, Inc.2001—
−3K030789Amsco Century Steam SterilizerSTERIS Corporation2003—
−2K111223Amsco Chimeron Small Steam SterilizerSTERIS Corporation20113
−1K221474PRIMUS Healthcare Sterilizer (Model PSS11-HC)Primus Sterilizer Company, LLC2023—
0 (this device)K233132PRIMUS Healthcare Sterilizer (Model PSS11-HA & PSS11-HB)Primus Sterilizer Company, LLC2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199810
199910
200910
201010
FIG. 1 — Lineage of K233132, 1982–2023Source: 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
*K221474PRIMUS Healthcare Sterilizer (Model PSS11-HC)
Summary page 9
…al Device Class: Class II Product Code: FLE 1. PRIMUS Healthcare Sterilizer (Model PSS11-HC) (K221474) Regulation number: 21 CFR 880.6880 Predicate Device: Regulation Name: Steam Sterilization…
Primus Sterilizer Company, LLC2023—

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 41 years and passes through 4 companies; a new generation was cleared every 2.3 years on median.
  • 2 of the 11 ancestors have a recall of any class.

How does its category compare?

All FLE devices

FLE 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

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 PRIMUS Healthcare Sterilizer (Models PSS11-HA and PSS11-HB) 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.

Cite this page

510(k) Report. “K233132: PRIMUS Healthcare Sterilizer (Model PSS11-HA & PSS11-HB).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K233132

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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