510(k) · Cleared
ClearedOK Plus Indicator
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Propper Manufacturing Co., Inc. · JOJ Indicator, Physical/Chemical Sterilization Process
Cleared on Dec 5, 2022 as substantially equivalent to K191021 (Terragene S.A., 2019) after a 139-day review. Its family tree reaches back 1 generation to 2019.
- Decided
- Dec 5, 2022
- Review
- 139 days
- Class
- Class II
- Product code
- JOJ
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K191021 (2019). No later device cites it as a predicate yet.
- Root · 1 generation backK191021 Terragene Bionova, Terragene Bionova, Terragene Integron, Terragene…Terragene S.A. · 2019 · Recalled
- This deviceK222137 OK Plus IndicatorPropper Manufacturing Co., Inc. · 2022
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K191021 | Terragene Bionova, Terragene Bionova, Terragene Integron, Terragene Cintape… | Terragene S.A. | 2019 | 1 |
| 0 (this device) | K222137 | OK Plus Indicator | Propper Manufacturing Co., Inc. | 2022 | — |
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 JOJ? 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 JOJ device
- #1 K261992 3M™ Attest™ Steam Chemical Integrator (1243A…score 13.3 · 5 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 |
|---|---|---|---|
| * | K191021 | Terragene Bionova, Terragene Bionova, Terragene Integron, Terragene Cintape, Terragene…Summary page 5…on to Legally Marketed Predicate Device Comparison of the subject device (OK Plus indicator, Propper Manufacturing Co., Inc) to Predicate device (Chemdye CD29 indicator, k191021, Terragene S.A.). Subject device Predicate device Comparison Product… | 2019 |
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 a recall.
- 5 other devices also cite its predicate K191021.
How does its category compare?
All JOJ devicesJOJ Indicator, Physical/Chemical Sterilization Process: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.
FDA decisions per year · JOJ
6in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · JOJ
90in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · JOJ
1in 2023
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · JOJ
12in 2025
MAUDE reports naming product code JOJ, 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 | 8 | 140 | 0 | 1 |
| 2008 | 9 | 57 | 2 | 1 |
| 2009 | 7 | 188 | 2 | 9 |
| 2010 | 6 | 115 | 0 | 3 |
| 2011 | 13 | 151 | 2 | 1 |
| 2012 | 7 | 224 | 0 | 8 |
| 2013 | 6 | 212 | 0 | 6 |
| 2014 | 6 | 198 | 0 | 11 |
| 2015 | 8 | 188 | 0 | 7 |
| 2016 | 4 | 150 | 0 | 11 |
| 2017 | 7 | 172 | 0 | 35 |
| 2018 | 5 | 150 | 0 | 12 |
| 2019 | 12 | 38 | 0 | 8 |
| 2020 | 7 | 108 | 0 | 6 |
| 2021 | 4 | 87 | 1 | 29 |
| 2022 | 8 | 90 | 0 | 23 |
| 2023 | 4 | 53 | 1 | 39 |
| 2024 | 12 | 71 | 0 | 25 |
| 2025 | 6 | 90 | 0 | 12 |
| 2026 | 3 | 30 | 0 | — |
What is it indicated for?
The OK Plus indicator is a chemical indicator designed for monitoring the efficacy of steam sterilization process. The indicator responds to all critical sterilization parameters. The OK Plus indicator changes color from off-white to black to indicate that the conditions of the cycle have been met. The indicator is intended to be placed in each pack, pouch, tray or other containment device to function as an independent monitor of critical parameters for…
Read the full statement (168 words)
The OK Plus indicator is a chemical indicator designed for monitoring the efficacy of steam sterilization process. The indicator responds to all critical sterilization parameters. The OK Plus indicator changes color from off-white to black to indicate that the conditions of the cycle have been met. The indicator is intended to be placed in each pack, pouch, tray or other containment device to function as an independent monitor of critical parameters for the following sterilization cycles:
*Gravity: 121 C/250 F - 30 minutes
*Vacuum assisted (prevacuum): 132 C/270 F - 4 minutes
*Vacuum assisted (prevacuum): 132 C/270 F - 10 minutes
*Vacuum assisted (prevacuum): 134 C/273 F - 3.5 minutes
*Vacuum assisted (prevacuum): 134 C/273 F - 4 minutes
*Vacuum assisted (prevacuum): 135 C/275 F - 3 minutes
The OK Plus indicator has the following Stated Values determined in Resistometer:
* 121 C/250 F - 15 minutes
* 132 C/270 F - 4 minutes
* 134 C/273 F - 3 minutes
* 135 C/275 F - 2.9 minutes
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K222137 · printed Nov 6, 2026
Cite this page
510(k) Report. “K222137: OK Plus Indicator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K222137
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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