510(k) Report

510(k) · Cleared

Cleared

Orthorex Intra-Operative Load Sensor

K090474510(k) TraditionalCleared Oct 19, 2009237-day reviewClass II21 CFR 882.4560

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 Oct 19, 2009 as substantially equivalent to K070108 (Synvasive Technology, Inc., 2007) after a 237-day review. Its family tree reaches back 1 generation to 2007. 30 later devices descend from it.

Decided
Oct 19, 2009
Review
237 days
Class
Class II
Product code
ONN
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K070108 (2007). 30 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2013: 2 descendants cleared2016: 1 descendant cleared2017: 2 descendants cleared2018: 1 descendant cleared2020: 5 descendants cleared2021: 1 descendant cleared2022: 2 descendants cleared2024: 5 descendants cleared2026: 2 descendants cleared2023: 3 descendants cleared2025: 6 descendants clearedK070108 · Elibra Dynamic Knee Balancer · Synvasive Technology, Inc. · 200720052010201520202025
Descendants, by generation 1 generation forward: 2 descendants2 generations forward: 4 descendants3 generations forward: 8 descendants4 generations forward: 6 descendants5 generations forward: 4 descendants6 generations forward: 2 descendants7 generations forward: 4 descendants K070108 · Elibra Dynamic Knee Balancer · Synvasive Technology, Inc. · 20070+5
  1. Root · 1 generation backK070108 Elibra Dynamic Knee BalancerSynvasive Technology, Inc. · 2007
  2. This deviceK090474 Orthorex Intra-Operative Load SensorOrthosensor, Inc. · 2009
  3. Descendant · cites it directly · 29 of its ownK130380 Orthosensor Knee BalancerOrthosensor, Inc. · 2013 · Recalled
  4. Descendant · 2 generations on · 28 of its ownK131767 Orthosensor Knee Balancer, Verasense Knee SystemOrthosensor, Inc. · 2013
  5. Descendant · cites it directly · 27 of its ownK150372 VERASENSE Knee SystemOrthosensor, Inc. · 2016
  6. Descendant · 2 generations on · 12 of its ownK163338 OMNIBotics Knee SystemOmnllife Science, Inc. · 2017
  7. Descendant · 3 generations on · 11 of its ownK200888 OMNIBotics Knee SystemCorin, Ltd. · 2020

Showing 5 of 30 descendants. See all descendants

Descendants cleared per year

2013: 22016: 12017: 22018: 12020: 52021: 12022: 22023: 32024: 52025: 62026: 2
2013high 6 (2025) · low 0 (2014)2026

Most influential descendants

Showing 5 of 30 · See all
  • K130380Orthosensor Knee BalancerOrthosensor, Inc. · 2013 · cites it directly29descendants
  • K131767Orthosensor Knee Balancer, Verasense Knee SystemOrthosensor, Inc. · 2013 · 2 generations on28descendants
  • K150372VERASENSE Knee SystemOrthosensor, Inc. · 2016 · cites it directly27descendants
  • K163338OMNIBotics Knee SystemOmnllife Science, Inc. · 2017 · 2 generations on12descendants
  • K200888OMNIBotics Knee SystemCorin, Ltd. · 2020 · 3 generations on11descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K070108Elibra Dynamic Knee BalancerSynvasive Technology, Inc.2007—
0 (this device)K090474Orthorex Intra-Operative Load SensorOrthosensor, Inc.2009—
+1K130380Orthosensor Knee BalancerOrthosensor, Inc.20131
+2K131767Orthosensor Knee Balancer, Verasense Knee SystemOrthosensor, Inc.2013—
+1K150372VERASENSE Knee SystemOrthosensor, Inc.2016—
+2K163338OMNIBotics Knee SystemOmnllife Science, Inc.2017—
+3K200888OMNIBotics Knee SystemCorin, Ltd.2020—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201320
201610
201720
201810
202050
202110
202220
202330
202450
202560
202620
FIG. 1 — Lineage of K090474, 2007–2026Source: 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 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
*K070108Elibra Dynamic Knee Balancer
Summary page 1
…insertion into the space between the tibia and the femur. Predicate Device: Elibra Dynamic Knee Balancer - K070108 Page 7 of 68 Substantial E…
Synvasive Technology, Inc.2007—

Also cleared against K070108: 2 other devices →

What descends from it? (30)

See all 30

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

NumberDeviceApplicantDecidedDescendants
K130380Orthosensor Knee BalancerOrthosensor, Inc.201329
K150372VERASENSE Knee SystemOrthosensor, Inc.201627

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 no recall.
  • Of its descendants, K130380 (Orthosensor, Inc., 2013) has gone furthest, with 29 descendants of its own.
  • 2 other devices also cite its predicate K070108.

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. 2009, 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?

For use as a tool for adjustment of the femoral knee implant to reduce instability from flexion gap asymmetry. The force sensor is sterile, for single patient use

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K090474: Orthorex Intra-Operative Load Sensor.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K090474

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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