510(k) · Cleared
Recalled · Class II · 2023Real Intelligence™ Cori™
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Blue Belt Technologies, Inc. · OLO Orthopedic Stereotaxic Instrument
Cleared on Aug 1, 2023 as substantially equivalent to K221224 (Blue Belt Technologies, Inc., 2022) after a 29-day review. Its family tree reaches back 22 generations to 1991. 4 later devices descend from it. It has been recalled 2 times.
- Decided
- Aug 1, 2023
- Review
- 29 days
- Class
- Class II
- Product code
- OLO
- Recalls
- 2
- Predicates
- 1
Its longest line of descent runs back 22 generations to K905070 (1991). 71 ancestors in all, the oldest K861692 (1986). 4 later devices descend from it, 1 citing it directly.
- Root · 22 generations backK905070 VistarPhilips Medical Systems (Cleveland), Inc. · 1991
- 18 generations between
- 3 generations backK212537 Real Intelligence Cori (Cori)Blue Belt Technologies, Inc. · 2021
- 2 generations backK220255 Real Intelligence CoriBlue Belt Technologies, Inc. · 2022
- 1 generation backK221224 Real Intelligence CoriBlue Belt Technologies, Inc. · 2022
- This deviceK231963 Real Intelligence™ Cori™Blue Belt Technologies, Inc. · 2023
- Descendant · cites it directly · 3 of its ownK240139 Real Intelligence™ CORI™Blue Belt Technologies, Inc. · 2024 · Recalled
- Descendant · 2 generations on · 0 of its ownK260601 Real Intelligence™ Cori™Blue Belt Technologies, Inc. · 2026
- Descendant · 2 generations on · 0 of its ownK252841 Real Intelligence™ Cori™ XT (Cori XT)Blue Belt Technologies, Inc. · 2025
- Descendant · 2 generations on · 0 of its ownK251971 RPS Primary TKA Software; RPS Console; RPS Saw One; RPS Cable; RPS…Stryker Instruments · 2025
Show all 22 generations
- Root · 22 generations backK905070 VistarPhilips Medical Systems (Cleveland), Inc. · 1991
- 21 generations backK961168 ViewpointPhilips Medical Systems (Cleveland), Inc. · 1996
- 20 generations backK963221 Optical Digitizer Option for View PointPhilips Medical Systems (Cleveland), Inc. · 1997
- 19 generations backK970604 Viewpoint - 3.0 SoftwarePhilips Medical Systems (Cleveland), Inc. · 1997
- 18 generations backK984298 Z Kat Flurotactic Guidance System MkiZ-Kat, Inc. · 1999
- 17 generations backK013025 Modification to Flourolab PlusZ-Kat, Inc. · 2001
- 16 generations backK031337 Acumen Surgical Navigation SystemBiomet, Inc. · 2003
- 15 generations backK072806 Mako Surgical Tactile Guidance System (TGS)Mako Surgical Corp. · 2008 · Recalled
- 14 generations backK081867 Mako Surgical Tactile Guidance System Version 2.0Mako Surgical Corp. · 2008 · Recalled
- 13 generations backK121936 NaviopfsBlue Belt Technologies, Inc. · 2012 · Recalled
- 12 generations backK140596 NAVIOBlue Belt Technologies, Inc. · 2014
- 11 generations backK143668 NavioBlue Belt Technologies, Inc. · 2015
- 10 generations backK152574 NavioBlue Belt Technologies, Inc. · 2015
- 9 generations backK160537 NavioBlue Belt Technologies, Inc. · 2016
- 8 generations backK170360 NAVIOBlue Belt Technologies, Inc. · 2017
- 7 generations backK180271 NAVIO™ Surgical System (NAVIO system)Blue Belt Technologies, Inc. · 2018
- 6 generations backK191223 NAVIOBlue Belt Technologies, Inc. · 2019
- 5 generations backK193120 Real Intelligence CoriBlue Belt Technologies, Inc. · 2020
- 4 generations backK201022 Real Intelligence Cori (Cori)Blue Belt Technologies, Inc. · 2020
- 3 generations backK212537 Real Intelligence Cori (Cori)Blue Belt Technologies, Inc. · 2021
- 2 generations backK220255 Real Intelligence CoriBlue Belt Technologies, Inc. · 2022
- 1 generation backK221224 Real Intelligence CoriBlue Belt Technologies, Inc. · 2022
- This deviceK231963 Real Intelligence™ Cori™Blue Belt Technologies, Inc. · 2023
Most influential descendants
Showing 4 of 4 · See all- K240139Real Intelligence™ CORI™Blue Belt Technologies, Inc. · 2024 · cites it directly3descendants
- K260601Real Intelligence™ Cori™Blue Belt Technologies, Inc. · 2026 · 2 generations on0descendants
- K252841Real Intelligence™ Cori™ XT (Cori XT)Blue Belt Technologies, Inc. · 2025 · 2 generations on0descendants
- K251971RPS Primary TKA Software; RPS Console; RPS Saw One; RPS Cable; RPS Saw Oscillating Tip…Stryker Instruments · 2025 · 2 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −22 | K905070 | Vistar | Philips Medical Systems (Cleveland), Inc. | 1991 | — |
| −21 | K961168 | Viewpoint | Philips Medical Systems (Cleveland), Inc. | 1996 | — |
| −20 | K963221 | Optical Digitizer Option for View Point | Philips Medical Systems (Cleveland), Inc. | 1997 | — |
| −19 | K970604 | Viewpoint - 3.0 Software | Philips Medical Systems (Cleveland), Inc. | 1997 | — |
| −18 | K984298 | Z Kat Flurotactic Guidance System Mki | Z-Kat, Inc. | 1999 | — |
| −17 | K013025 | Modification to Flourolab Plus | Z-Kat, Inc. | 2001 | — |
| −16 | K031337 | Acumen Surgical Navigation System | Biomet, Inc. | 2003 | — |
| −15 | K072806 | Mako Surgical Tactile Guidance System (TGS) | Mako Surgical Corp. | 2008 | 1 |
| −14 | K081867 | Mako Surgical Tactile Guidance System Version 2.0 | Mako Surgical Corp. | 2008 | 2 |
| −13 | K121936 | Naviopfs | Blue Belt Technologies, Inc. | 2012 | 2 |
| −12 | K140596 | NAVIO | Blue Belt Technologies, Inc. | 2014 | — |
| −11 | K143668 | Navio | Blue Belt Technologies, Inc. | 2015 | — |
| −10 | K152574 | Navio | Blue Belt Technologies, Inc. | 2015 | — |
| −9 | K160537 | Navio | Blue Belt Technologies, Inc. | 2016 | — |
| −8 | K170360 | NAVIO | Blue Belt Technologies, Inc. | 2017 | — |
| −7 | K180271 | NAVIO™ Surgical System (NAVIO system) | Blue Belt Technologies, Inc. | 2018 | — |
| −6 | K191223 | NAVIO | Blue Belt Technologies, Inc. | 2019 | — |
| −5 | K193120 | Real Intelligence Cori | Blue Belt Technologies, Inc. | 2020 | — |
| −4 | K201022 | Real Intelligence Cori (Cori) | Blue Belt Technologies, Inc. | 2020 | — |
| −3 | K212537 | Real Intelligence Cori (Cori) | Blue Belt Technologies, Inc. | 2021 | — |
| −2 | K220255 | Real Intelligence Cori | Blue Belt Technologies, Inc. | 2022 | — |
| −1 | K221224 | Real Intelligence Cori | Blue Belt Technologies, Inc. | 2022 | — |
| 0 (this device) | K231963 | Real Intelligence™ Cori™ | Blue Belt Technologies, Inc. | 2023 | — |
| +1 | K240139 | Real Intelligence™ CORI™ | Blue Belt Technologies, Inc. | 2024 | 1 |
| +2 | K260601 | Real Intelligence™ Cori™ | Blue Belt Technologies, Inc. | 2026 | — |
| +2 | K252841 | Real Intelligence™ Cori™ XT (Cori XT) | Blue Belt Technologies, Inc. | 2025 | — |
| +2 | K251971 | RPS Primary TKA Software; RPS Console; RPS Saw One; RPS Cable; RPS Saw… | Stryker Instruments | 2025 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1986 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 0 |
| 2002 | 7 | 0 |
| 2003 | 1 | 0 |
| 2004 | 2 | 0 |
| 2005 | 5 | 0 |
| 2006 | 5 | 0 |
| 2007 | 3 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2013 | 2 | 0 |
| 2014 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2020 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2024 | 1 | 0 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
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 K240662 Spine Guidance Software (version 5.0); Xia 3/…score 23.7 · 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K221224 | Real Intelligence CoriSummary page 4…me Orthopedic Stereotaxic Instrument Trade/Proprietary Name REAL INTELLIGENCE™ CORI™ (CORI) Predicate Device(s) REAL INTELLIGENCE™ CORI™ (K221224) Reason for Submission This Special 510(k) submission supports an update to CORI to al… | 2022 |
What descends from it? (4)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K240139 | Real Intelligence™ CORI™ | 2024 | 3 |
Has anything in its family been recalled? (0 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Nov 13, 2023 | Class II | Z-0708-2024 | Device Design | Possibility that the user is unable to resolve drill disconnection error messages. |
| Sep 7, 2023 | Class II | Z-0041-2024 | Software Design Change | CORI software was missing a planning stage that appears in cases of significant knee deformation (outside of the range of 3 degrees valgus to 7 degrees varus) when the surgeon chooses to define the femoral rotational reference via the… |
No ancestor or descendant has a Class I recall.
What does this lineage say?
- The line of descent spans 32 years and passes through 5 companies; a new generation was cleared every 11 months on median.
- 13 of the 71 ancestors have a recall of any class.
- Of its descendants, K240139 (Blue Belt Technologies, Inc., 2024) has gone furthest, with 3 descendants of its own.
- 2 other devices also cite its predicate K221224.
How does its category compare?
All OLO devicesOLO Orthopedic Stereotaxic Instrument: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.
FDA decisions per year · OLO
40in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · OLO
119in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · OLO
1in 2025
Class I (1 since 2007) Class II/III not classified
Adverse event reports per year · OLO
3,306in 2025
MAUDE reports naming product code OLO, 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 | 0 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 1 |
| 2009 | 11 | 126 | 0 | 4 |
| 2010 | 9 | 113 | 1 | 4 |
| 2011 | 11 | 138 | 1 | 10 |
| 2012 | 7 | 129 | 1 | 60 |
| 2013 | 7 | 137 | 0 | 36 |
| 2014 | 10 | 119 | 3 | 245 |
| 2015 | 10 | 176 | 2 | 466 |
| 2016 | 14 | 120 | 3 | 750 |
| 2017 | 33 | 91 | 2 | 1,076 |
| 2018 | 24 | 97 | 1 | 1,230 |
| 2019 | 35 | 95 | 1 | 1,585 |
| 2020 | 34 | 89 | 6 | 2,746 |
| 2021 | 28 | 91 | 0 | 1,696 |
| 2022 | 40 | 89 | 5 | 1,568 |
| 2023 | 45 | 90 | 7 (1) | 1,493 |
| 2024 | 44 | 90 | 4 | 2,353 |
| 2025 | 40 | 119 | 1 | 3,306 |
| 2026 | 42 | 109 | 6 | — |
What is it indicated for?
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.
https://510kreport.com/device/K231963 · printed Nov 6, 2026
Cite this page
510(k) Report. “K231963: Real Intelligence™ Cori™.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K231963
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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