510(k) Report

510(k) · Cleared

Recalled · Class II · 2024

Real Intelligence™ CORI™

K240139510(k) TraditionalCleared Mar 18, 202460-day reviewClass II21 CFR 882.4560Recalls 1

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

Blue Belt Technologies, Inc. · OLO Orthopedic Stereotaxic Instrument

Cleared on Mar 18, 2024 as substantially equivalent to K231963 (Blue Belt Technologies, Inc., 2023) after a 60-day review. Its family tree reaches back 23 generations to 1991. 3 later devices descend from it. It has been recalled once.

Decided
Mar 18, 2024
Review
60 days
Class
Class II
Product code
OLO
Recalls
1
Predicates
1

Its longest line of descent runs back 23 generations to K905070 (1991). 72 ancestors in all, the oldest K861692 (1986). 3 later devices descend from it, 3 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2020: 1 other ancestor2017: 1 other ancestor2016: 1 other ancestor2014: 1 other ancestor2010: 1 other ancestor2013: 2 other ancestors2009: 1 other ancestor2008: 1 other ancestor2007: 3 other ancestors2006: 5 other ancestors2005: 5 other ancestors2002: 7 other ancestors2001: 6 other ancestors2000: 3 other ancestors1999: 2 other ancestors2004: 2 other ancestors2003: 1 other ancestor1997: 1 other ancestor1996: 2 other ancestors1986: 1 other ancestor1995: 1 other ancestor1994: 1 other ancestor2025: 2 descendants cleared2026: 1 descendant clearedK905070 · Vistar · Philips Medical Systems (Cleveland), Inc. · 1991K961168 · Viewpoint · Philips Medical Systems (Cleveland), Inc. · 1996×2: 2 generations cleared close together, K963221 (1997), K970604 (1997) K984298 · Z Kat Flurotactic Guidance System Mki · Z-Kat, Inc. · 1999K013025 · Modification to Flourolab Plus · Z-Kat, Inc. · 2001K031337 · Acumen Surgical Navigation System · Biomet, Inc. · 2003K072806 · Mako Surgical Tactile Guidance System (TGS) · Mako Surgical Corp. · 2008 · recalledK081867 · Mako Surgical Tactile Guidance System Version 2.0 · Mako Surgical Corp. · 2008 · recalledK121936 · Naviopfs · Blue Belt Technologies, Inc. · 2012 · recalledK140596 · NAVIO · Blue Belt Technologies, Inc. · 2014K143668 · Navio · Blue Belt Technologies, Inc. · 2015K152574 · Navio · Blue Belt Technologies, Inc. · 2015K160537 · Navio · Blue Belt Technologies, Inc. · 2016K170360 · NAVIO · Blue Belt Technologies, Inc. · 2017K180271 · NAVIO™ Surgical System (NAVIO system) · Blue Belt Technologies, Inc. · 2018K191223 · NAVIO · Blue Belt Technologies, Inc. · 2019×2: 2 generations cleared close together, K193120 (2020), K201022 (2020) ×3: 3 generations cleared close together, K212537 (2021), K220255 (2022), K221224 (2022) K231963 · Real Intelligence™ Cori™ · Blue Belt Technologies, Inc. · 2023 · recalled1990200020102020
Other ancestors, by generationDescendants, by generation 3 generations back: 1 other ancestor4 generations back: 1 other ancestor5 generations back: 3 other ancestors6 generations back: 5 other ancestors7 generations back: 3 other ancestors8 generations back: 9 other ancestors9 generations back: 8 other ancestors10 generations back: 1 other ancestor11 generations back: 3 other ancestors14 generations back: 3 other ancestors15 generations back: 4 other ancestors16 generations back: 4 other ancestors17 generations back: 2 other ancestors18 generations back: 2 other ancestors 1 generation forward: 3 descendants K231963 · Real Intelligence™ Cori™ · Blue Belt Technologies, Inc. · 2023 · recalledK221224 · Real Intelligence Cori · Blue Belt Technologies, Inc. · 2022K220255 · Real Intelligence Cori · Blue Belt Technologies, Inc. · 2022K212537 · Real Intelligence Cori (Cori) · Blue Belt Technologies, Inc. · 2021K201022 · Real Intelligence Cori (Cori) · Blue Belt Technologies, Inc. · 2020K193120 · Real Intelligence Cori · Blue Belt Technologies, Inc. · 2020K191223 · NAVIO · Blue Belt Technologies, Inc. · 2019K180271 · NAVIO™ Surgical System (NAVIO system) · Blue Belt Technologies, Inc. · 2018K170360 · NAVIO · Blue Belt Technologies, Inc. · 2017K160537 · Navio · Blue Belt Technologies, Inc. · 2016K152574 · Navio · Blue Belt Technologies, Inc. · 2015K143668 · Navio · Blue Belt Technologies, Inc. · 2015K140596 · NAVIO · Blue Belt Technologies, Inc. · 2014K121936 · Naviopfs · Blue Belt Technologies, Inc. · 2012 · recalledK081867 · Mako Surgical Tactile Guidance System Version 2.0 · Mako Surgical Corp. · 2008 · recalledK072806 · Mako Surgical Tactile Guidance System (TGS) · Mako Surgical Corp. · 2008 · recalledK031337 · Acumen Surgical Navigation System · Biomet, Inc. · 2003K013025 · Modification to Flourolab Plus · Z-Kat, Inc. · 2001K984298 · Z Kat Flurotactic Guidance System Mki · Z-Kat, Inc. · 1999K970604 · Viewpoint - 3.0 Software · Philips Medical Systems (Cleveland), Inc. · 1997K963221 · Optical Digitizer Option for View Point · Philips Medical Systems (Cleveland), Inc. · 1997K961168 · Viewpoint · Philips Medical Systems (Cleveland), Inc. · 1996K905070 · Vistar · Philips Medical Systems (Cleveland), Inc. · 1991−20−15−10−50
  1. Root · 23 generations backK905070 VistarPhilips Medical Systems (Cleveland), Inc. · 1991
  2. 19 generations between
  3. 3 generations backK220255 Real Intelligence CoriBlue Belt Technologies, Inc. · 2022
  4. 2 generations backK221224 Real Intelligence CoriBlue Belt Technologies, Inc. · 2022
  5. 1 generation backK231963 Real Intelligence™ Cori™Blue Belt Technologies, Inc. · 2023 · Recalled
  6. This deviceK240139 Real Intelligence™ CORI™Blue Belt Technologies, Inc. · 2024
  7. Descendant · cites it directly · 0 of its ownK260601 Real Intelligence™ Cori™Blue Belt Technologies, Inc. · 2026
  8. Descendant · cites it directly · 0 of its ownK252841 Real Intelligence™ Cori™ XT (Cori XT)Blue Belt Technologies, Inc. · 2025
  9. Descendant · cites it directly · 0 of its ownK251971 RPS Primary TKA Software; RPS Console; RPS Saw One; RPS Cable; RPS…Stryker Instruments · 2025
Show all 23 generations
  1. Root · 23 generations backK905070 VistarPhilips Medical Systems (Cleveland), Inc. · 1991
  2. 22 generations backK961168 ViewpointPhilips Medical Systems (Cleveland), Inc. · 1996
  3. 21 generations backK963221 Optical Digitizer Option for View PointPhilips Medical Systems (Cleveland), Inc. · 1997
  4. 20 generations backK970604 Viewpoint - 3.0 SoftwarePhilips Medical Systems (Cleveland), Inc. · 1997
  5. 19 generations backK984298 Z Kat Flurotactic Guidance System MkiZ-Kat, Inc. · 1999
  6. 18 generations backK013025 Modification to Flourolab PlusZ-Kat, Inc. · 2001
  7. 17 generations backK031337 Acumen Surgical Navigation SystemBiomet, Inc. · 2003
  8. 16 generations backK072806 Mako Surgical Tactile Guidance System (TGS)Mako Surgical Corp. · 2008 · Recalled
  9. 15 generations backK081867 Mako Surgical Tactile Guidance System Version 2.0Mako Surgical Corp. · 2008 · Recalled
  10. 14 generations backK121936 NaviopfsBlue Belt Technologies, Inc. · 2012 · Recalled
  11. 13 generations backK140596 NAVIOBlue Belt Technologies, Inc. · 2014
  12. 12 generations backK143668 NavioBlue Belt Technologies, Inc. · 2015
  13. 11 generations backK152574 NavioBlue Belt Technologies, Inc. · 2015
  14. 10 generations backK160537 NavioBlue Belt Technologies, Inc. · 2016
  15. 9 generations backK170360 NAVIOBlue Belt Technologies, Inc. · 2017
  16. 8 generations backK180271 NAVIO™ Surgical System (NAVIO system)Blue Belt Technologies, Inc. · 2018
  17. 7 generations backK191223 NAVIOBlue Belt Technologies, Inc. · 2019
  18. 6 generations backK193120 Real Intelligence CoriBlue Belt Technologies, Inc. · 2020
  19. 5 generations backK201022 Real Intelligence Cori (Cori)Blue Belt Technologies, Inc. · 2020
  20. 4 generations backK212537 Real Intelligence Cori (Cori)Blue Belt Technologies, Inc. · 2021
  21. 3 generations backK220255 Real Intelligence CoriBlue Belt Technologies, Inc. · 2022
  22. 2 generations backK221224 Real Intelligence CoriBlue Belt Technologies, Inc. · 2022
  23. 1 generation backK231963 Real Intelligence™ Cori™Blue Belt Technologies, Inc. · 2023 · Recalled
  24. This deviceK240139 Real Intelligence™ CORI™Blue Belt Technologies, Inc. · 2024

Most influential descendants

Showing 3 of 3 · See all
  • K260601Real Intelligence™ Cori™Blue Belt Technologies, Inc. · 2026 · cites it directly0descendants
  • K252841Real Intelligence™ Cori™ XT (Cori XT)Blue Belt Technologies, Inc. · 2025 · cites it directly0descendants
  • K251971RPS Primary TKA Software; RPS Console; RPS Saw One; RPS Cable; RPS Saw Oscillating Tip…Stryker Instruments · 2025 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−23K905070VistarPhilips Medical Systems (Cleveland), Inc.1991—
−22K961168ViewpointPhilips Medical Systems (Cleveland), Inc.1996—
−21K963221Optical Digitizer Option for View PointPhilips Medical Systems (Cleveland), Inc.1997—
−20K970604Viewpoint - 3.0 SoftwarePhilips Medical Systems (Cleveland), Inc.1997—
−19K984298Z Kat Flurotactic Guidance System MkiZ-Kat, Inc.1999—
−18K013025Modification to Flourolab PlusZ-Kat, Inc.2001—
−17K031337Acumen Surgical Navigation SystemBiomet, Inc.2003—
−16K072806Mako Surgical Tactile Guidance System (TGS)Mako Surgical Corp.20081
−15K081867Mako Surgical Tactile Guidance System Version 2.0Mako Surgical Corp.20082
−14K121936NaviopfsBlue Belt Technologies, Inc.20122
−13K140596NAVIOBlue Belt Technologies, Inc.2014—
−12K143668NavioBlue Belt Technologies, Inc.2015—
−11K152574NavioBlue Belt Technologies, Inc.2015—
−10K160537NavioBlue Belt Technologies, Inc.2016—
−9K170360NAVIOBlue Belt Technologies, Inc.2017—
−8K180271NAVIO™ Surgical System (NAVIO system)Blue Belt Technologies, Inc.2018—
−7K191223NAVIOBlue Belt Technologies, Inc.2019—
−6K193120Real Intelligence CoriBlue Belt Technologies, Inc.2020—
−5K201022Real Intelligence Cori (Cori)Blue Belt Technologies, Inc.2020—
−4K212537Real Intelligence Cori (Cori)Blue Belt Technologies, Inc.2021—
−3K220255Real Intelligence CoriBlue Belt Technologies, Inc.2022—
−2K221224Real Intelligence CoriBlue Belt Technologies, Inc.2022—
−1K231963Real Intelligence™ Cori™Blue Belt Technologies, Inc.20232
0 (this device)K240139Real Intelligence™ CORI™Blue Belt Technologies, Inc.2024—
+1K260601Real Intelligence™ Cori™Blue Belt Technologies, Inc.2026—
+1K252841Real Intelligence™ Cori™ XT (Cori XT)Blue Belt Technologies, Inc.2025—
+1K251971RPS Primary TKA Software; RPS Console; RPS Saw One; RPS Cable; RPS Saw…Stryker Instruments2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198610
199410
199510
199620
199710
199920
200030
200160
200270
200310
200420
200550
200650
200730
200810
200910
201010
201320
201410
201610
201710
202010

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202520
202610
FIG. 1 — Lineage of K240139, 1991–2026Source: 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 OLO? 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 OLO device

  1. #1 K240662 Spine Guidance Software (version 5.0); Xia 3/…score 23.7 · 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
*K231963Real Intelligence™ Cori™
Summary page 4
…nstrument Trade/Proprietary Name REAL INTELLIGENCE™ CORI™ (CORI) Predicate Device(s) REAL INTELLIGENCE™ CORI™ (K231963) Reason for Submission The purpose of this Traditional 510(k) submission is…
Blue Belt Technologies, Inc.20232

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K260601Real Intelligence™ Cori™Blue Belt Technologies, Inc.20260
K252841Real Intelligence™ Cori™ XT (Cori XT)Blue Belt Technologies, Inc.20250
K251971RPS Primary TKA Software; RPS Console; RPS Saw One; RPS Cable; RPS Saw Oscillating Tip…Stryker Instruments20250

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

Recalls of this device

DateClassRecallRoot causeReason
May 7, 2024Class IIZ-2135-2024Under Investigation by firmCORI Surgical System with Real Intelligence Software exhibits an increased Marker Registration Error (MRE) which may cause tracker arrays to flicker on screen of the CORI Surgical System during use, and may cause surgical delay

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 33 years and passes through 5 companies; a new generation was cleared every 11 months on median.
  • 14 of the 72 ancestors have a recall of any class.
  • Of its descendants, K260601 (Blue Belt Technologies, Inc., 2026) has gone furthest, with 0 descendants of its own.

How does its category compare?

All OLO devices

OLO Orthopedic Stereotaxic Instrument: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, this device’s year, is highlighted.

FDA decisions per year · OLO

40in 2025

2009: 112010: 92011: 112012: 72013: 72014: 102015: 102016: 142017: 332018: 242019: 352020: 342021: 282022: 402023: 452024: 442025: 402026 (partial year): 42
2007high 45 (2023) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OLO

119in 2025

2009: 126 days median2010: 113 days median2011: 138 days median2012: 129 days median2013: 137 days median2014: 119 days median2015: 176 days median2016: 120 days median2017: 91 days median2018: 97 days median2019: 95 days median2020: 89 days median2021: 91 days median2022: 89 days median2023: 90 days median2024: 90 days median2025: 119 days median2026 (partial year): 109 days median
2007high 176 (2015) · low 89 (2020)2026

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

Recalls per year · OLO

1in 2025

2010: 12011: 12012: 12014: 32015: 22016: 32017: 22018: 12019: 12020: 62022: 52023: 7, 1 Class I2024: 42025: 12026 (partial year): 6
2007high 7 (2023) · low 0 (2007)2026

Class I (1 since 2007) Class II/III not classified

Adverse event reports per year · OLO

3,306in 2025

2008: 12009: 42010: 42011: 102012: 602013: 362014: 2452015: 4662016: 7502017: 1,0762018: 1,2302019: 1,5852020: 2,7462021: 1,6962022: 1,5682023: 1,4932024: 2,3532025: 3,306
2007high 3,306 (2025) · low 0 (2007)2025

MAUDE reports naming product code OLO, 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
20070—00
20080—01
20091112604
2010911314
201111138110
20127129160
20137137036
2014101193245
2015101762466
2016141203750
2017339121,076
2018249711,230
2019359511,585
2020348962,746
2021289101,696
2022408951,568
202345907 (1)1,493
2024449042,353
20254011913,306
2026421096—

What is it indicated for?

REAL INTELLIGENCE CORI is indicated for use in surgical procedures, in which the use of stereotactic surgery may be appropriate, and where reference to rigid anatomical bony structures can be determined. These procedures include:

• unicondylar knee replacement (UKR),

• total knee arthroplasty (TKA),

• revision knee arthroplasty, and

• total hip arthroplasty (THA).

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K240139: Real Intelligence™ CORI™.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K240139

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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