510(k) · Cleared
ClearedVERASENSE for Stryker Triathlon
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Orthosensor, Inc. · ONN Intraoperative Orthopedic Joint Assessment Aid
Cleared on Apr 12, 2020 as substantially equivalent to K180459 (Orthosensor, Inc., 2018) after a 30-day review. Its family tree reaches back 6 generations to 2007.
- Decided
- Apr 12, 2020
- Review
- 30 days
- Class
- Class II
- Product code
- ONN
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 6 generations to K070108 (2007). No later device cites it as a predicate yet.
- Root · 6 generations backK070108 Elibra Dynamic Knee BalancerSynvasive Technology, Inc. · 2007
- 5 generations backK090474 Orthorex Intra-Operative Load SensorOrthosensor, Inc. · 2009
- 4 generations backK130380 Orthosensor Knee BalancerOrthosensor, Inc. · 2013 · Recalled
- 3 generations backK131767 Orthosensor Knee Balancer, Verasense Knee SystemOrthosensor, Inc. · 2013
- 2 generations backK150372 VERASENSE Knee SystemOrthosensor, Inc. · 2016
- 1 generation backK180459 VERASENSE for Zimmer Biomet PersonaOrthosensor, Inc. · 2018 · Recalled
- This deviceK200665 VERASENSE for Stryker TriathlonOrthosensor, Inc. · 2020
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −6 | K070108 | Elibra Dynamic Knee Balancer | Synvasive Technology, Inc. | 2007 | — |
| −5 | K090474 | Orthorex Intra-Operative Load Sensor | Orthosensor, Inc. | 2009 | — |
| −4 | K130380 | Orthosensor Knee Balancer | Orthosensor, Inc. | 2013 | 1 |
| −3 | K131767 | Orthosensor Knee Balancer, Verasense Knee System | Orthosensor, Inc. | 2013 | — |
| −2 | K150372 | VERASENSE Knee System | Orthosensor, Inc. | 2016 | — |
| −1 | K180459 | VERASENSE for Zimmer Biomet Persona | Orthosensor, Inc. | 2018 | 6 |
| 0 (this device) | K200665 | VERASENSE for Stryker Triathlon | Orthosensor, Inc. | 2020 | — |
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 ONN? 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 ONN device
- #1 K262253 Lantern Knee Navigation Unit…score 16.0 · 15 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.
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 13 years and passes through 2 companies; a new generation was cleared every 2.4 years on median.
- 2 of the 6 ancestors have a recall of any class.
- 3 other devices also cite its predicate K180459.
How does its category compare?
All ONN devicesONN Intraoperative Orthopedic Joint Assessment Aid: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, this device’s year, is highlighted.
FDA decisions per year · ONN
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · ONN
100in 2020
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · ONN
6in 2018
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · ONN
5in 2025
MAUDE reports naming product code ONN, 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 | 1 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 1 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 1 | — | 0 | 0 |
| 2012 | 0 | — | 1 | 0 |
| 2013 | 2 | — | 0 | 0 |
| 2014 | 1 | — | 1 | 0 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 1 | — | 0 | 1 |
| 2017 | 1 | — | 0 | 0 |
| 2018 | 1 | — | 6 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 3 | 100 | 0 | 0 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 1 | — | 0 | 0 |
| 2023 | 0 | — | 0 | 0 |
| 2024 | 2 | — | 0 | 0 |
| 2025 | 1 | — | 0 | 5 |
| 2026 | 2 | — | 0 | — |
What is it indicated for?
VERASENSE is indicated for any medical condition in which primary or revision Total Knee Arthroplasty (TKA) would be indicated.
For use as a tool for adjustment of the femoral knee implant to reduce instability from flexion gap asymmetry.
VERASENSE is sterile, for single patient use.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K200665 · printed Nov 6, 2026
Cite this page
510(k) Report. “K200665: VERASENSE for Stryker Triathlon.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K200665
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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