510(k) Report

510(k) · Cleared

Recalled · Class II · 2018

VERASENSE for Zimmer Biomet Persona

K180459510(k) TraditionalCleared Jun 7, 2018107-day reviewClass II21 CFR 882.4560Recalls 6

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Orthosensor, Inc. · ONN Intraoperative Orthopedic Joint Assessment Aid

Cleared on Jun 7, 2018 as substantially equivalent to K150372 (Orthosensor, Inc., 2016) after a 107-day review. Its family tree reaches back 5 generations to 2007. 5 later devices descend from it. It has been recalled 6 times.

Decided
Jun 7, 2018
Review
107 days
Class
Class II
Product code
ONN
Recalls
6
Predicates
1

Its longest line of descent runs back 5 generations to K070108 (2007). 5 later devices descend from it, 4 citing it directly.

  1. Root · 5 generations backK070108 Elibra Dynamic Knee BalancerSynvasive Technology, Inc. · 2007
  2. 4 generations backK090474 Orthorex Intra-Operative Load SensorOrthosensor, Inc. · 2009
  3. 3 generations backK130380 Orthosensor Knee BalancerOrthosensor, Inc. · 2013 · Recalled
  4. 2 generations backK131767 Orthosensor Knee Balancer, Verasense Knee SystemOrthosensor, Inc. · 2013
  5. 1 generation backK150372 VERASENSE Knee SystemOrthosensor, Inc. · 2016
  6. This deviceK180459 VERASENSE for Zimmer Biomet PersonaOrthosensor, Inc. · 2018
  7. Descendant · cites it directly · 1 of its ownK241298 QuadsenseEventum Orthopaedics, Ltd. · 2024
  8. Descendant · 2 generations on · 0 of its ownK252524 Quadsense (Quadsense and Quadsense Pro)Eventum Orthopaedics, Ltd. · 2025
  9. Descendant · cites it directly · 0 of its ownK220830 TrueBalance™ Surgical SystemThese Three Medical, LLC · 2022
  10. Descendant · cites it directly · 0 of its ownK200587 VERASENSE for Exactech Equinoxe Size 38 mm, VERASENSE for Exactech…Orthosensor, Inc. · 2020
  11. Descendant · cites it directly · 0 of its ownK200665 VERASENSE for Stryker TriathlonOrthosensor, Inc. · 2020

Most influential descendants

Showing 5 of 5 · See all
  • K241298QuadsenseEventum Orthopaedics, Ltd. · 2024 · cites it directly1descendant
  • K252524Quadsense (Quadsense and Quadsense Pro)Eventum Orthopaedics, Ltd. · 2025 · 2 generations on0descendants
  • K220830TrueBalance™ Surgical SystemThese Three Medical, LLC · 2022 · cites it directly0descendants
  • K200587VERASENSE for Exactech Equinoxe Size 38 mm, VERASENSE for Exactech Equinoxe Size 42 mm…Orthosensor, Inc. · 2020 · cites it directly0descendants
  • K200665VERASENSE for Stryker TriathlonOrthosensor, Inc. · 2020 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K070108Elibra Dynamic Knee BalancerSynvasive Technology, Inc.2007—
−4K090474Orthorex Intra-Operative Load SensorOrthosensor, Inc.2009—
−3K130380Orthosensor Knee BalancerOrthosensor, Inc.20131
−2K131767Orthosensor Knee Balancer, Verasense Knee SystemOrthosensor, Inc.2013—
−1K150372VERASENSE Knee SystemOrthosensor, Inc.2016—
0 (this device)K180459VERASENSE for Zimmer Biomet PersonaOrthosensor, Inc.2018—
+1K241298QuadsenseEventum Orthopaedics, Ltd.2024—
+2K252524Quadsense (Quadsense and Quadsense Pro)Eventum Orthopaedics, Ltd.2025—
+1K220830TrueBalance™ Surgical SystemThese Three Medical, LLC2022—
+1K200587VERASENSE for Exactech Equinoxe Size 38 mm, VERASENSE for Exactech Equinoxe…Orthosensor, Inc.2020—
+1K200665VERASENSE for Stryker TriathlonOrthosensor, Inc.2020—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202020
202210
202410
202510
FIG. 1 — Lineage of K180459, 2007–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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 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. #1 K262253 Lantern Knee Navigation Unit…score 16.0 · 15 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*K150372VERASENSE Knee System
Summary page 4
…eotaxic instrument Regulatory Class: II Regulation Number: 21 CFR 882.4560 Product Code: ONN III. PREDICATE DEVICE VERASENSE Knee System, K150372 IV. DEVICE DESCRIPTION VERASENSE provides a means to dynamically balance the knee during primary or revision T…
Orthosensor, Inc.2016—

Also cleared against K150372: 2 other devices →

What descends from it? (5)

4 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K241298QuadsenseEventum Orthopaedics, Ltd.20241
K220830TrueBalance™ Surgical SystemThese Three Medical, LLC20220
K200587VERASENSE for Exactech Equinoxe Size 38 mm, VERASENSE for Exactech Equinoxe Size 42 mm…Orthosensor, Inc.20200
K200665VERASENSE for Stryker TriathlonOrthosensor, Inc.20200

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Jul 12, 2018Class IIZ-0086-2019Under Investigation by firmSome sensors were reported to have fluid inside the posterior lateral corner post-surgery.
Jul 12, 2018Class IIZ-0085-2019Under Investigation by firmSome sensors were reported to have fluid inside the posterior lateral corner post-surgery.
Jul 12, 2018Class IIZ-0087-2019Under Investigation by firmSome sensors were reported to have fluid inside the posterior lateral corner post-surgery.
Jul 12, 2018Class IIZ-0082-2019Under Investigation by firmSome sensors were reported to have fluid inside the posterior lateral corner post-surgery.
Jul 12, 2018Class IIZ-0083-2019Under Investigation by firmSome sensors were reported to have fluid inside the posterior lateral corner post-surgery.
Jul 12, 2018Class IIZ-0084-2019Under Investigation by firmSome sensors were reported to have fluid inside the posterior lateral corner post-surgery.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 11 years and passes through 2 companies; a new generation was cleared every 2.4 years on median.
  • 1 of the 5 ancestors has a recall of any class.
  • Of its descendants, K241298 (Eventum Orthopaedics, Ltd., 2024) has gone furthest, with 1 descendant of its own.
  • 2 other devices also cite its predicate K150372.

How does its category compare?

All ONN devices

ONN Intraoperative Orthopedic Joint Assessment Aid: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.

FDA decisions per year · ONN

1in 2025

2007: 12009: 12011: 12013: 22014: 12016: 12017: 12018: 12020: 32022: 12024: 22025: 12026 (partial year): 2
2007high 3 (2020) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · ONN

100in 2020

2020: 100 days median
2007high 100 (2020)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · ONN

6in 2018

2012: 12014: 12018: 6
2007high 6 (2018) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · ONN

5in 2025

2016: 12025: 5
2007high 5 (2025) · low 0 (2007)2025

MAUDE reports naming product code ONN, 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
20071—00
20080—00
20091—00
20100—00
20111—00
20120—10
20132—00
20141—10
20150—00
20161—01
20171—00
20181—60
20190—00
2020310000
20210—00
20221—00
20230—00
20242—00
20251—05
20262—0—

What is it indicated for?

The 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. The VERASENSE is sterile, for single patient use.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K180459: VERASENSE for Zimmer Biomet Persona.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K180459

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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