510(k) · Cleared
ClearedKMTI S141 Lumbar Interbody Fusion System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Kyocera Medical Technologies, Inc. · MAX Intervertebral Fusion Device With Bone Graft, Lumbar
Cleared on Aug 30, 2021 as substantially equivalent to K170888 (Renovis Surgical Technologies, 2017) and 5 other predicates after a 59-day review. Its family tree reaches back 23 generations to 1984. 1 of the 374 devices in its family, counting itself, has a Class I recall.
- Decided
- Aug 30, 2021
- Review
- 59 days
- Class
- Class II
- Product code
- MAX
- Recalls
- None
- Predicates
- 6
Its longest line of descent runs back 23 generations to K841189 (1984). 373 ancestors in all, the oldest K792022 (1979). No later device cites it as a predicate yet. 1 of the 374 devices in this family, counting this one, has a Class I recall.
- Root · 23 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
- 19 generations between
- 3 generations backK181014 Tritanium PL CageStryker Spine · 2018
- 2 generations backK183447 EIT Cellular Titanium Lumbar Cage - T/PLIFEit Emerging Implant Technologies GmbH · 2019
- 1 generation backK201605 EIT Cellular Titanium Cervical Cage, EIT Cellular Titanium ALIF…Eit Emerging Implant Technologies GmbH · 2020
- This deviceK212070 KMTI S141 Lumbar Interbody Fusion SystemKyocera Medical Technologies, Inc. · 2021
Show all 23 generations
- Root · 23 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
- 22 generations backK990148 Stackable Cage SystemDepuy Motech Acromed · 1999
- 21 generations backK003043 Surgical Titanium Mesh SystemDepuyacromed · 2001
- 20 generations backK022793 Tetris Spinal ImplantSignus Medical, LLC · 2003
- 19 generations backK031757 Peek Tetris Spinal ImplantSignus Medical, LLC · 2003
- 18 generations backK041888 Curved Peek Tetris Spinal ImplantSignus Medizintechnik GmbH · 2004
- 17 generations backK042930 Spacevision Cage SystemSpine Vision, Inc. · 2004
- 16 generations backK062759 Paramount VBR SystemInnovative Spinal Technologies, Inc. · 2007
- 15 generations backK072120 Paramount Intervertebral Body Fusion DeviceInnovative Spinal Technologies, Inc. · 2007
- 14 generations backK073291 Capstone Spinal SystemMedtronic Sofamor Danek USA, Inc. · 2008
- 13 generations backK094025 Crescent Spinal SystemMedtronic Sofamor Danek · 2010
- 12 generations backK110543 Crescent (R) Spinal System TitaniumMedtronic Sofamor Danek USA, Inc. · 2011
- 11 generations backK121683 Acculif TL CageCoalign Innovations, Inc. · 2012
- 10 generations backK123752 Acculif TL and PL CageCoalign Innovations, Inc. · 2013
- 9 generations backK132505 Acculif TL and PL CageCoalign Innovations, Inc. · 2013 · Recalled
- 8 generations backK141217 Acculif TL and PL CageStryker Corporation · 2014 · Recalled
- 7 generations backK143163 AVS® AL and ALign PEEK Spacers, AVS® PL and UniLIF PEEK Spacers…Stryker Corporation · 2015
- 6 generations backK143616 AccuLIF TL and PL CageStryker Corporation · 2015 · Recalled
- 5 generations backK152304 Tritanium PL CageStryker · 2015 · Recalled
- 4 generations backK160955 Tritanium® PL CageStryker · 2016
- 3 generations backK181014 Tritanium PL CageStryker Spine · 2018
- 2 generations backK183447 EIT Cellular Titanium Lumbar Cage - T/PLIFEit Emerging Implant Technologies GmbH · 2019
- 1 generation backK201605 EIT Cellular Titanium Cervical Cage, EIT Cellular Titanium ALIF…Eit Emerging Implant Technologies GmbH · 2020
- This deviceK212070 KMTI S141 Lumbar Interbody Fusion SystemKyocera Medical Technologies, Inc. · 2021
Class I recalls in this family
- K073202 Ardis Spacer2 generations back · 2008
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −23 | K841189 | Oec/Rezaian Spinal Fixator | Orthopedic Equipment Co., Inc. | 1984 | — |
| −22 | K990148 | Stackable Cage System | Depuy Motech Acromed | 1999 | — |
| −21 | K003043 | Surgical Titanium Mesh System | Depuyacromed | 2001 | — |
| −20 | K022793 | Tetris Spinal Implant | Signus Medical, LLC | 2003 | — |
| −19 | K031757 | Peek Tetris Spinal Implant | Signus Medical, LLC | 2003 | — |
| −18 | K041888 | Curved Peek Tetris Spinal Implant | Signus Medizintechnik GmbH | 2004 | — |
| −17 | K042930 | Spacevision Cage System | Spine Vision, Inc. | 2004 | — |
| −16 | K062759 | Paramount VBR System | Innovative Spinal Technologies, Inc. | 2007 | — |
| −15 | K072120 | Paramount Intervertebral Body Fusion Device | Innovative Spinal Technologies, Inc. | 2007 | — |
| −14 | K073291 | Capstone Spinal System | Medtronic Sofamor Danek USA, Inc. | 2008 | — |
| −13 | K094025 | Crescent Spinal System | Medtronic Sofamor Danek | 2010 | — |
| −12 | K110543 | Crescent (R) Spinal System Titanium | Medtronic Sofamor Danek USA, Inc. | 2011 | — |
| −11 | K121683 | Acculif TL Cage | Coalign Innovations, Inc. | 2012 | — |
| −10 | K123752 | Acculif TL and PL Cage | Coalign Innovations, Inc. | 2013 | — |
| −9 | K132505 | Acculif TL and PL Cage | Coalign Innovations, Inc. | 2013 | 3 |
| −8 | K141217 | Acculif TL and PL Cage | Stryker Corporation | 2014 | 3 |
| −7 | K143163 | AVS® AL and ALign PEEK Spacers, AVS® PL and UniLIF PEEK Spacers, AVS® TL PEEK… | Stryker Corporation | 2015 | — |
| −6 | K143616 | AccuLIF TL and PL Cage | Stryker Corporation | 2015 | 4 |
| −5 | K152304 | Tritanium PL Cage | Stryker | 2015 | 1 |
| −4 | K160955 | Tritanium® PL Cage | Stryker | 2016 | — |
| −3 | K181014 | Tritanium PL Cage | Stryker Spine | 2018 | — |
| −2 | K183447 | EIT Cellular Titanium Lumbar Cage - T/PLIF | Eit Emerging Implant Technologies GmbH | 2019 | — |
| −1 | K201605 | EIT Cellular Titanium Cervical Cage, EIT Cellular Titanium ALIF Cage, EIT… | Eit Emerging Implant Technologies GmbH | 2020 | — |
| 0 (this device) | K212070 | KMTI S141 Lumbar Interbody Fusion System | Kyocera Medical Technologies, Inc. | 2021 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1983 | 1 | 0 |
| 1987 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 11 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 17 | 0 |
| 2002 | 11 | 0 |
| 2003 | 21 | 0 |
| 2004 | 30 | 0 |
| 2005 | 25 | 0 |
| 2006 | 12 | 0 |
| 2007 | 16 | 0 |
| 2008 | 43 | 1 |
| 2009 | 31 | 0 |
| 2010 | 17 | 0 |
| 2011 | 24 | 0 |
| 2012 | 13 | 0 |
| 2013 | 13 | 0 |
| 2014 | 15 | 0 |
| 2015 | 7 | 0 |
| 2016 | 2 | 0 |
| 2017 | 5 | 0 |
| 2018 | 2 | 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? (6)
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 |
|---|---|---|---|
| * | K170888 | Renovis S141 Lumbar Interbody Fusion SystemSummary page 5…Trade or Proprietary or Model Manufacturer Predicate Name Type K170888, K143126 Renovis S141 Lumbar Interbody Renovis Surgical Primary Fusion Sy… | 2017 |
| * | K143126 | Renovis S141 Lumbar Interbody Cage SystemSummary page 5…r Proprietary or Model Manufacturer Predicate Name Type K170888, K143126 Renovis S141 Lumbar Interbody Renovis Surgical Primary Fusion System… | 2015 |
| * | K181655 | Renovis S180 Lateral Lumbar Interbody Fusion SystemSummary page 5…, K143126 Renovis S141 Lumbar Interbody Renovis Surgical Primary Fusion System Technologies K181655 Renovis S180 Lateral Lumbar Renovis Surgical Additional Interb… | 2018 |
| * | K171657 | ShurFit 2C Lumbar Interbody Fusion SystemSummary page 5…Renovis S180 Lateral Lumbar Renovis Surgical Additional Interbody Fusion System Technologies K171657 ShurFit 2C Lumbar Interbody Precision Spine, Inc. Additional Fusion… | 2017 |
| * | K113561 | TM Ardis Interbody System TM Ardis Interbody System InstrumenationSummary page 5…Technologies K171657 ShurFit 2C Lumbar Interbody Precision Spine, Inc. Additional Fusion System K113561 TM Ardis® Interbody System Zimmer Trabecular Additional… | 2012 |
| * | K201605 | EIT Cellular Titanium Cervical Cage, EIT Cellular Titanium ALIF Cage, EIT Cellular…Summary page 5…TM Ardis® Interbody System Zimmer Trabecular Additional Metal Technology, Inc. K201605 EIT Cellular Titanium® TLIF Cage EIT Emerging Implant Additional… | 2020 |
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 · 2 generations back · ◆ in the 2008 ancestors bar of FIG. 11 Class I recall
What does this lineage say?
- The line of descent spans 37 years and passes through 15 companies; a new generation was cleared every 10 months on median.
- 61 of the 373 ancestors have a recall of any class; 1 has a Class I recall.
- 1 other device also cites its predicate K170888.
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. 2021, 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 KMTI S141 Lumbar Interbody Fusion 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. Degenerative disc disease is defined as discogenic back pain with degeneration of the disc confirmed by history and radiographic studies. These DDD patients may have up to Grade 1 spondylolisthesis or retrolisthesis at the…
Read the full statement (116 words)
The KMTI S141 Lumbar Interbody Fusion 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.
Degenerative disc disease is defined as discogenic back pain with degeneration of the disc confirmed by history and radiographic studies. These DDD patients may have up to Grade 1 spondylolisthesis or retrolisthesis at the involved level(s). KMTI S141 System implants are to be used with autogenous bone graft. Patients should be skeletally mature and have at least six months of non-operative treatment. The KMTI S141 System must be used with supplemental fixation cleared by FDA for use in the lumbar spine.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K212070 · printed Nov 5, 2026
Cite this page
510(k) Report. “K212070: KMTI S141 Lumbar Interbody Fusion System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K212070
Report an extraction error
Are you the manufacturer?
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