510(k) · Cleared
ClearedGemini Medical Cage System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
ZheJiang Decans Medical Devices Co., Ltd. · MAX Intervertebral Fusion Device With Bone Graft, Lumbar
Cleared on Oct 8, 2024 as substantially equivalent to K073291 (Medtronic Sofamor Danek USA, Inc., 2008) and 4 other predicates after a 68-day review. Its family tree reaches back 13 generations to 1984. 1 later device descends from it.
- Decided
- Oct 8, 2024
- Review
- 68 days
- Class
- Class II
- Product code
- MAX
- Recalls
- None
- Predicates
- 5
Its longest line of descent runs back 13 generations to K841189 (1984). 72 ancestors in all. 1 later device descends from it, 1 citing it directly.
- Root · 13 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
- 9 generations between
- 3 generations backK090353 Perimeter Interbody Fusion DeviceMedtronic Sofamor Danek · 2009
- 2 generations backK120368 Capstone Control Spinal SystemMedtronic Sofamor Danek USA, Inc. · 2012
- 1 generation backK132897 Clydesdale Spinal SystemMedtronic Sofamor Danek, Inc. · 2013
- This deviceK242267 Gemini Medical Cage SystemZheJiang Decans Medical Devices Co., Ltd. · 2024
- Descendant · cites it directly · 0 of its ownK253213 SAGI Cervical Cage SystemZheJiang Decans Medical Devices Co., Ltd. · 2026
Show all 13 generations
- Root · 13 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
- 12 generations backK990148 Stackable Cage SystemDepuy Motech Acromed · 1999
- 11 generations backK003043 Surgical Titanium Mesh SystemDepuyacromed · 2001
- 10 generations backK022793 Tetris Spinal ImplantSignus Medical, LLC · 2003
- 9 generations backK031757 Peek Tetris Spinal ImplantSignus Medical, LLC · 2003
- 8 generations backK041888 Curved Peek Tetris Spinal ImplantSignus Medizintechnik GmbH · 2004
- 7 generations backK042930 Spacevision Cage SystemSpine Vision, Inc. · 2004
- 6 generations backK062759 Paramount VBR SystemInnovative Spinal Technologies, Inc. · 2007
- 5 generations backK072120 Paramount Intervertebral Body Fusion DeviceInnovative Spinal Technologies, Inc. · 2007
- 4 generations backK073291 Capstone Spinal SystemMedtronic Sofamor Danek USA, Inc. · 2008
- 3 generations backK090353 Perimeter Interbody Fusion DeviceMedtronic Sofamor Danek · 2009
- 2 generations backK120368 Capstone Control Spinal SystemMedtronic Sofamor Danek USA, Inc. · 2012
- 1 generation backK132897 Clydesdale Spinal SystemMedtronic Sofamor Danek, Inc. · 2013
- This deviceK242267 Gemini Medical Cage SystemZheJiang Decans Medical Devices Co., Ltd. · 2024
Most influential descendants
Showing 1 of 1 · See all- K253213SAGI Cervical Cage SystemZheJiang Decans Medical Devices Co., Ltd. · 2026 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −13 | K841189 | Oec/Rezaian Spinal Fixator | Orthopedic Equipment Co., Inc. | 1984 | — |
| −12 | K990148 | Stackable Cage System | Depuy Motech Acromed | 1999 | — |
| −11 | K003043 | Surgical Titanium Mesh System | Depuyacromed | 2001 | — |
| −10 | K022793 | Tetris Spinal Implant | Signus Medical, LLC | 2003 | — |
| −9 | K031757 | Peek Tetris Spinal Implant | Signus Medical, LLC | 2003 | — |
| −8 | K041888 | Curved Peek Tetris Spinal Implant | Signus Medizintechnik GmbH | 2004 | — |
| −7 | K042930 | Spacevision Cage System | Spine Vision, Inc. | 2004 | — |
| −6 | K062759 | Paramount VBR System | Innovative Spinal Technologies, Inc. | 2007 | — |
| −5 | K072120 | Paramount Intervertebral Body Fusion Device | Innovative Spinal Technologies, Inc. | 2007 | — |
| −4 | K073291 | Capstone Spinal System | Medtronic Sofamor Danek USA, Inc. | 2008 | — |
| −3 | K090353 | Perimeter Interbody Fusion Device | Medtronic Sofamor Danek | 2009 | — |
| −2 | K120368 | Capstone Control Spinal System | Medtronic Sofamor Danek USA, Inc. | 2012 | — |
| −1 | K132897 | Clydesdale Spinal System | Medtronic Sofamor Danek, Inc. | 2013 | — |
| 0 (this device) | K242267 | Gemini Medical Cage System | ZheJiang Decans Medical Devices Co., Ltd. | 2024 | — |
| +1 | K253213 | SAGI Cervical Cage System | ZheJiang Decans Medical Devices Co., Ltd. | 2026 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1996 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 9 | 0 |
| 2002 | 7 | 0 |
| 2003 | 9 | 0 |
| 2004 | 10 | 0 |
| 2005 | 4 | 0 |
| 2007 | 4 | 0 |
| 2008 | 3 | 0 |
| 2009 | 1 | 0 |
| 2010 | 5 | 0 |
| 2011 | 2 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 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 MAX? 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? (5)
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 |
|---|---|---|---|
| * | K073291 | Capstone Spinal SystemSummary page 5…Manufacturer Medtronic Sofamor Danek USA. Inc. Trade name CAPSTONE SPINAL SYSTEM 510(K) number K073291 Primary Predicate Regulatory Class II Device Regulation Number 21 CFR 888.3080… | 2008 |
| * | K101923 | Concorde Curve SystemSummary page 5…ral body fusion device Product Codes MAX Manufacturer DePuy Synthes K101923, CONCORDE CURVE SYSTEM Trade name /510(K) K100089, SYNTHES T-PAL… | 2010 |
| * | K100089 | Synthes T-Pal SpacerSummary page 5…ePuy Synthes K101923, CONCORDE CURVE SYSTEM Trade name /510(K) K100089, SYNTHES T-PAL SPACER number Additional Predicate K072791, SYNTHES ORACLE PLATE Device… | 2010 |
| * | K072791 | Oracle Spacer, Opal SpacerSummary page 5…Trade name /510(K) K100089, SYNTHES T-PAL SPACER number Additional Predicate K072791, SYNTHES ORACLE PLATE Devices Regulatory Class II Regulation Number 21 CFR 888.3080… | 2007 |
| * | K132897 | Clydesdale Spinal SystemSummary page 5…Manufacturer Medtronic Sofamor Danek USA. Inc. Additional Predicate Trade name CLYDESDALE SPINAL SYSTEM Device 510(K) number K132897 Regulatory Class II… | 2013 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K253213 | SAGI Cervical Cage System | 2026 | 0 |
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?
- The line of descent spans 40 years and passes through 11 companies; a new generation was cleared every 1.7 years on median.
- 9 of the 72 ancestors have a recall of any class.
- Of its descendants, K253213 (ZheJiang Decans Medical Devices Co., Ltd., 2026) has gone furthest, with 0 descendants of its own.
- 40 other devices also cite its predicate K073291.
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 Gemini Medical Cage System is indicated for use with autogenous bone graft in patients with degenerative disc disease (DDD) at one or two contiguous levels from L2 to S1. These DDD patients may also have up to Grade 1 Spondylolisthesis or retrolisthesis at the involved levels. These patients should be skeletally mature and have had six months of non-operative treatment. These devices are intended to be used with supplemental fixation.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K242267 · printed Nov 6, 2026
Cite this page
510(k) Report. “K242267: Gemini Medical Cage System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K242267
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