510(k) · Cleared
ClearedsagAlign Lumbar Cage System (Various PNs)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Acuity Surgical Devices, LLC · MAX Intervertebral Fusion Device With Bone Graft, Lumbar
Cleared on Jul 17, 2024 as substantially equivalent to K080537 (Kiscomedica S.A., 2008) and 2 other predicates after a 61-day review. Its family tree reaches back 25 generations to 1984. 1 of the 411 devices in its family, counting itself, has a Class I recall.
- Decided
- Jul 17, 2024
- Review
- 61 days
- Class
- Class II
- Product code
- MAX
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 25 generations to K841189 (1984). 410 ancestors in all, the oldest K792352 (1979). No later device cites it as a predicate yet. 1 of the 411 devices in this family, counting this one, has a Class I recall.
- Root · 25 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
- 21 generations between
- 3 generations backK183064 TxTi IBF SystemInnovasis, Inc. · 2019 · Recalled
- 2 generations backK201614 TxTiHA IBF System, AxTiHA Stand-Alone ALIF SystemInnovasis, Inc. · 2020 · Recalled
- 1 generation backK221535 Align Lumbar Interbody Fusion SystemAcuity Surgical Devices, LLC · 2022
- This deviceK241413 sagAlign Lumbar Cage System (Various PNs)Acuity Surgical Devices, LLC · 2024
Show all 25 generations
- Root · 25 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
- 24 generations backK990148 Stackable Cage SystemDepuy Motech Acromed · 1999
- 23 generations backK003043 Surgical Titanium Mesh SystemDepuyacromed · 2001
- 22 generations backK022793 Tetris Spinal ImplantSignus Medical, LLC · 2003
- 21 generations backK031757 Peek Tetris Spinal ImplantSignus Medical, LLC · 2003
- 20 generations backK041888 Curved Peek Tetris Spinal ImplantSignus Medizintechnik GmbH · 2004
- 19 generations backK042930 Spacevision Cage SystemSpine Vision, Inc. · 2004
- 18 generations backK062759 Paramount VBR SystemInnovative Spinal Technologies, Inc. · 2007
- 17 generations backK072120 Paramount Intervertebral Body Fusion DeviceInnovative Spinal Technologies, Inc. · 2007
- 16 generations backK073291 Capstone Spinal SystemMedtronic Sofamor Danek USA, Inc. · 2008
- 15 generations backK094025 Crescent Spinal SystemMedtronic Sofamor Danek · 2010
- 14 generations backK110543 Crescent (R) Spinal System TitaniumMedtronic Sofamor Danek USA, Inc. · 2011
- 13 generations backK121683 Acculif TL CageCoalign Innovations, Inc. · 2012
- 12 generations backK123752 Acculif TL and PL CageCoalign Innovations, Inc. · 2013
- 11 generations backK132505 Acculif TL and PL CageCoalign Innovations, Inc. · 2013 · Recalled
- 10 generations backK141217 Acculif TL and PL CageStryker Corporation · 2014 · Recalled
- 9 generations backK143163 AVS® AL and ALign PEEK Spacers, AVS® PL and UniLIF PEEK Spacers…Stryker Corporation · 2015
- 8 generations backK153782 NuVasive® Lumbar Interbody ImplantsNu Vasive, Incorporated · 2016
- 7 generations backK161230 NuVasive Lumbar Interbody ImplantsNu Vasive, Incorporated · 2016
- 6 generations backK170962 NuVasive® CoRoent® Thoracolumbar SystemNu Vasive, Incorporated · 2017
- 5 generations backK171633 NuVasive TLX Interbody SystemNu Vasive, Incorporated · 2017
- 4 generations backK180078 Px PEEK IBF System, Px HA PEEK IBF System, TxHA PEEK IBF SystemInnovasis, Inc. · 2018 · Recalled
- 3 generations backK183064 TxTi IBF SystemInnovasis, Inc. · 2019 · Recalled
- 2 generations backK201614 TxTiHA IBF System, AxTiHA Stand-Alone ALIF SystemInnovasis, Inc. · 2020 · Recalled
- 1 generation backK221535 Align Lumbar Interbody Fusion SystemAcuity Surgical Devices, LLC · 2022
- This deviceK241413 sagAlign Lumbar Cage System (Various PNs)Acuity Surgical Devices, LLC · 2024
Class I recalls in this family
- K073202 Ardis Spacer8 generations back · 2008
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −25 | K841189 | Oec/Rezaian Spinal Fixator | Orthopedic Equipment Co., Inc. | 1984 | — |
| −24 | K990148 | Stackable Cage System | Depuy Motech Acromed | 1999 | — |
| −23 | K003043 | Surgical Titanium Mesh System | Depuyacromed | 2001 | — |
| −22 | K022793 | Tetris Spinal Implant | Signus Medical, LLC | 2003 | — |
| −21 | K031757 | Peek Tetris Spinal Implant | Signus Medical, LLC | 2003 | — |
| −20 | K041888 | Curved Peek Tetris Spinal Implant | Signus Medizintechnik GmbH | 2004 | — |
| −19 | K042930 | Spacevision Cage System | Spine Vision, Inc. | 2004 | — |
| −18 | K062759 | Paramount VBR System | Innovative Spinal Technologies, Inc. | 2007 | — |
| −17 | K072120 | Paramount Intervertebral Body Fusion Device | Innovative Spinal Technologies, Inc. | 2007 | — |
| −16 | K073291 | Capstone Spinal System | Medtronic Sofamor Danek USA, Inc. | 2008 | — |
| −15 | K094025 | Crescent Spinal System | Medtronic Sofamor Danek | 2010 | — |
| −14 | K110543 | Crescent (R) Spinal System Titanium | Medtronic Sofamor Danek USA, Inc. | 2011 | — |
| −13 | K121683 | Acculif TL Cage | Coalign Innovations, Inc. | 2012 | — |
| −12 | K123752 | Acculif TL and PL Cage | Coalign Innovations, Inc. | 2013 | — |
| −11 | K132505 | Acculif TL and PL Cage | Coalign Innovations, Inc. | 2013 | 3 |
| −10 | K141217 | Acculif TL and PL Cage | Stryker Corporation | 2014 | 3 |
| −9 | K143163 | AVS® AL and ALign PEEK Spacers, AVS® PL and UniLIF PEEK Spacers, AVS® TL PEEK… | Stryker Corporation | 2015 | — |
| −8 | K153782 | NuVasive® Lumbar Interbody Implants | Nu Vasive, Incorporated | 2016 | — |
| −7 | K161230 | NuVasive Lumbar Interbody Implants | Nu Vasive, Incorporated | 2016 | — |
| −6 | K170962 | NuVasive® CoRoent® Thoracolumbar System | Nu Vasive, Incorporated | 2017 | — |
| −5 | K171633 | NuVasive TLX Interbody System | Nu Vasive, Incorporated | 2017 | — |
| −4 | K180078 | Px PEEK IBF System, Px HA PEEK IBF System, TxHA PEEK IBF System | Innovasis, Inc. | 2018 | 1 |
| −3 | K183064 | TxTi IBF System | Innovasis, Inc. | 2019 | 1 |
| −2 | K201614 | TxTiHA IBF System, AxTiHA Stand-Alone ALIF System | Innovasis, Inc. | 2020 | 1 |
| −1 | K221535 | Align Lumbar Interbody Fusion System | Acuity Surgical Devices, LLC | 2022 | — |
| 0 (this device) | K241413 | sagAlign Lumbar Cage System (Various PNs) | Acuity Surgical Devices, LLC | 2024 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1993 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 11 | 0 |
| 2002 | 11 | 0 |
| 2003 | 19 | 0 |
| 2004 | 28 | 0 |
| 2005 | 21 | 0 |
| 2006 | 16 | 0 |
| 2007 | 18 | 0 |
| 2008 | 49 | 1 |
| 2009 | 34 | 0 |
| 2010 | 26 | 0 |
| 2011 | 31 | 0 |
| 2012 | 22 | 0 |
| 2013 | 26 | 0 |
| 2014 | 21 | 0 |
| 2015 | 14 | 0 |
| 2016 | 11 | 0 |
| 2017 | 8 | 0 |
| 2018 | 2 | 0 |
| 2019 | 2 | 0 |
| 2021 | 1 | 0 |
| 2022 | 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.
1 device in this family has a Class I recall. 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 MAX device
- #1 K203714 NuVasive Thoracolumbar Interbody Systems…score 102.5 · 24 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (3)
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 |
|---|---|---|---|
| * | K080537 | L-VarlockSummary page 4…21 CFR 807.92(a)(3) Predicate # Predicate Trade Name (Primary Predicate is listed first) Product Code K080537 L-Varlock Lumbar Cages MAX K222561… | 2008 |
| * | K222561 | AlignSummary page 4…Product Code K080537 L-Varlock Lumbar Cages MAX K222561 Align MAX K221535… | 2022 |
| * | K221535 | Align Lumbar Interbody Fusion SystemSummary page 4…MAX K222561 Align MAX K221535 Align Lumbar Interbody Fusion System MAX Device D… | 2022 |
What descends from it?
No later submission names this one as a predicate yet.
Has anything in its family been recalled? (1 Class I)
No FDA recall names this device.
Relatives with a Class I recall
Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.
- K073202Ardis SpacerAbbott Spine, Inc. · 2008 · 8 generations back · ◆ in the 2008 ancestors bar of FIG. 11 Class I recall
What does this lineage say?
- The line of descent spans 40 years and passes through 14 companies; a new generation was cleared every 11 months on median.
- 43 of the 410 ancestors have a recall of any class; 1 has a Class I recall.
- 12 other devices also cite its predicate K080537.
How does its category compare?
All MAX devicesMAX Intervertebral Fusion Device With Bone Graft, Lumbar: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, this device’s year, is highlighted.
FDA decisions per year · MAX
29in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · MAX
85in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · MAX
5in 2025
Class I (1 since 2007) Class II/III not classified
Adverse event reports per year · MAX
811in 2025
MAUDE reports naming product code MAX, 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 | 7 | 86 | 0 | 12 |
| 2008 | 35 | 88 | 2 | 19 |
| 2009 | 31 | 102 | 9 | 90 |
| 2010 | 29 | 137 | 0 | 154 |
| 2011 | 49 | 98 | 3 | 201 |
| 2012 | 48 | 69 | 11 (1) | 327 |
| 2013 | 58 | 102 | 0 | 380 |
| 2014 | 58 | 115 | 3 | 366 |
| 2015 | 53 | 113 | 1 | 524 |
| 2016 | 64 | 124 | 6 | 647 |
| 2017 | 76 | 116 | 1 | 596 |
| 2018 | 64 | 114 | 4 | 616 |
| 2019 | 60 | 131 | 1 | 699 |
| 2020 | 56 | 106 | 0 | 640 |
| 2021 | 53 | 109 | 0 | 622 |
| 2022 | 41 | 95 | 1 | 618 |
| 2023 | 30 | 87 | 0 | 576 |
| 2024 | 38 | 91 | 1 | 729 |
| 2025 | 29 | 85 | 5 | 811 |
| 2026 | 18 | 95 | 0 | — |
What is it indicated for?
The sagAlign Lumbar Cage System is indicated for intervertebral body fusion procedures in skeletally mature patients with degenerative disc disease (DDD) of the lumbar spine at one or two contiguous levels from L2-S1. DDD is defined as discogenic pain with degeneration of the disc confirmed by history and radiographic studies. These DDD patients may also have up to Grade I spondylolisthesis at the involved level(s). sagAlign Lumbar Cage implants are to…
Read the full statement (122 words)
The sagAlign Lumbar Cage System is indicated for intervertebral body fusion procedures in skeletally mature patients with degenerative disc disease (DDD) of the lumbar spine at one or two contiguous levels from L2-S1. DDD is defined as discogenic pain with degeneration of the disc confirmed by history and radiographic studies. These DDD patients may also have up to Grade I spondylolisthesis at the involved level(s).
sagAlign Lumbar Cage implants are to be used with allogenic bone graft comprised of cancellous and/or corticocancellous bone graft and/or autograft and implanted via an open posterior approach. sagAlign Lumbar Cage implant is to be used with supplemental fixation. Patients should have at least six (6) months of non-operative treatment prior to treatment with an intervertebral cage.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K241413 · printed Nov 6, 2026
Cite this page
510(k) Report. “K241413: sagAlign Lumbar Cage System (Various PNs).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K241413
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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