510(k) Report

510(k) · Cleared

Cleared

XIA® 4.5 Spinal System, XIA® 4.5 Cortical Trajectory, XIA® 3 Spinal System, Serrato® Spinal System, XIA® Growth Rod Conversion Set, XIA® II Spinal System, XIA® Precision System, XIA® Anterior, Diapason® Spinal System, Opus™ Spinal System, Radius® Spinal System, Mantis® Spinal System, Mantis® Redux, Trio® & Trio+ Spinal Fixation System, ES2™ Spinal System, ES2™ Augmentable Spinal System, Oasys® Occipito-Cervico-Thoracic System, Nile® Proximal Fixation Spinal System, Nile® Alternative Fi

K222684510(k) TraditionalCleared Jun 8, 2023275-day reviewClass II21 CFR 888.3070

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

Stryker Spine · NKB Thoracolumbosacral Pedicle Screw System

Cleared on Jun 8, 2023 as substantially equivalent to K172724 (Stryker Corporation, 2017) and 11 other predicates after a 275-day review. Its family tree reaches back 24 generations to 1985. 2 of the 606 devices in its family, counting itself, have a Class I recall. 4 later devices descend from it.

Decided
Jun 8, 2023
Review
275 days
Class
Class II
Product code
NKB
Recalls
None
Predicates
12

Its longest line of descent runs back 24 generations to K853033 (1985). 601 ancestors in all, the oldest K761228 (1976). 4 later devices descend from it, 2 citing it directly. 2 of the 606 devices in this family, counting this one, have a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 2020: 1 other ancestor2017: 6 other ancestors2016: 3 other ancestors2015: 17 other ancestors2014: 11 other ancestors2013: 16 other ancestors2012: 24 other ancestors2006: 33 other ancestors2011: 32 other ancestors2010: 26 other ancestors, 1 with a Class I recall12009: 34 other ancestors2008: 43 other ancestors, 1 with a Class I recall12007: 31 other ancestors2005: 45 other ancestors2004: 58 other ancestors2003: 33 other ancestors2002: 26 other ancestors2001: 35 other ancestors2000: 19 other ancestors1998: 14 other ancestors1995: 9 other ancestors1999: 15 other ancestors1997: 8 other ancestors1996: 11 other ancestors1985: 1 other ancestor1994: 4 other ancestors1993: 6 other ancestors1992: 6 other ancestors1991: 1 other ancestor1988: 1 other ancestor1986: 2 other ancestors1978: 1 other ancestor1976: 1 other ancestor1990: 3 other ancestors1984: 1 other ancestor2024: 3 descendants cleared2026: 1 descendant clearedK853033 · Hartshill Rect & Wires, Spinal Fixation System · A.W. Showell (Surgicraft), Ltd. · 1985K965221 · Ransford Cervical Fixation System · Surgicraft, Ltd. · 1997K982322 · Synthes Spine Occipital-Cervical Plate/Rod and Hook System · Synthes (Usa) · 1998K002733 · Summit Occipito-Cervico-Thoracic (Oct) Spinal System · Depuyacromed · 2000K013222 · Summit Occipito-Cervico- Thoracic (Oct) Spinal System · Depuyacromed · 2001×2: 2 generations cleared close together, K022190 (2002), K030103 (2003) K041203 · Summit Oct Spinal System · Depuy Spine, Inc. · 2004×3: 3 generations cleared close together, K062174 (2006), K063156 (2006), K063741 (2007) K080313 · Modification to Expedium Spine System · Depuy Spine, Inc. · 2008K111571 · Viper Systems · Johnson & Johnson · 2011K121016 · Range Spinal System (Mesa and Denali) · K2m, Inc. · 2012×2: 2 generations cleared close together, K130330 (2013), K131784 (2013) ×5: 5 generations cleared close together, K133944 (2014), K141873 (2014), K143334 (2015), K150325 (2015), K151727 (2015) K161369 · EVEREST Spinal System · K2m, Incorporated · 2016×2: 2 generations cleared close together, K181188 (2018), K181603 (2018) 19801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 11 other ancestors2 generations back: 46 other ancestors3 generations back: 74 other ancestors4 generations back: 117 other ancestors, 1 with a Class I recall15 generations back: 129 other ancestors, 1 with a Class I recall16 generations back: 94 other ancestors7 generations back: 51 other ancestors8 generations back: 32 other ancestors9 generations back: 16 other ancestors10 generations back: 6 other ancestors11 generations back: 1 other ancestor 1 generation forward: 2 descendants2 generations forward: 2 descendants K181603 · EVEREST Spinal System, RANGE (MESA and DENALI) Spinal System, CASPIAN OCT (MESA Mini and DENALI Mini) Spinal System, YUKON OCT Spinal System · K2m, Inc. · 2018K181188 · EVEREST Spinal System · K2m, Inc. · 2018K161369 · EVEREST Spinal System · K2m, Incorporated · 2016K151727 · Everest Spinal System · K2m, Inc. · 2015K150325 · Range/Denali/Mesa Spinal System · K2m, Inc. · 2015K143334 · Range/Denali/Mesa Spinal System · K2m, Inc. · 2015K141873 · Range/Mesa/Denali Spinal System · K2m, Inc. · 2014K133944 · Range, Spinal System, Everest Spinal System · K2m, Inc. · 2014K131784 · Range Spinal System · K2m, Inc. · 2013K130330 · Range Spinal System · K2m, Inc. · 2013K121016 · Range Spinal System (Mesa and Denali) · K2m, Inc. · 2012K111571 · Viper Systems · Johnson & Johnson · 2011K080313 · Modification to Expedium Spine System · Depuy Spine, Inc. · 2008K063741 · Expedium Spine System · Depuy Spine, Inc. · 2007K063156 · Modification to Expedium Spine System · Depuy Spine, Inc. · 2006K062174 · Modification to Expedium Spine System · Depuy Spine, Inc. · 2006K041203 · Summit Oct Spinal System · Depuy Spine, Inc. · 2004K030103 · Summit Oct Spinal System Minipolyaxial Screws · Depuyacromed · 2003K022190 · Modification to Summit Occipito-Cervico-Thoracic (Oct) Spinal System · Depuyacromed · 2002K013222 · Summit Occipito-Cervico- Thoracic (Oct) Spinal System · Depuyacromed · 2001K002733 · Summit Occipito-Cervico-Thoracic (Oct) Spinal System · Depuyacromed · 2000K982322 · Synthes Spine Occipital-Cervical Plate/Rod and Hook System · Synthes (Usa) · 1998K965221 · Ransford Cervical Fixation System · Surgicraft, Ltd. · 1997K853033 · Hartshill Rect & Wires, Spinal Fixation System · A.W. Showell (Surgicraft), Ltd. · 1985−20−15−10−50
  1. Root · 24 generations backK853033 Hartshill Rect & Wires, Spinal Fixation SystemA.W. Showell (Surgicraft), Ltd. · 1985
  2. 20 generations between
  3. 3 generations backK161369 EVEREST Spinal SystemK2m, Incorporated · 2016
  4. 2 generations backK181188 EVEREST Spinal SystemK2m, Inc. · 2018
  5. 1 generation backK181603 EVEREST Spinal System, RANGE (MESA and DENALI) Spinal System…K2m, Inc. · 2018
  6. This deviceK222684 XIA® 4.5 Spinal System, XIA® 4.5 Cortical Trajectory, XIA® 3 Spinal…Stryker Spine · 2023
  7. Descendant · cites it directly · 1 of its ownK242361 OZARK Cervical Plate System; PYRENEES® Cervical Plate System…Stryker Spine · 2024
  8. Descendant · cites it directly · 1 of its ownK240872 Erisma® Deformity Spinal System; Erisma® Lp Spinal Fixation SystemClariance · 2024
  9. Descendant · 2 generations on · 0 of its ownK253545 Vulcan Spinal SystemK2m, Inc. · 2026
  10. Descendant · 2 generations on · 0 of its ownK241863 Erisma® Lp Spinal Fixation System; Erisma® LP MISClariance · 2024
Show all 24 generations
  1. Root · 24 generations backK853033 Hartshill Rect & Wires, Spinal Fixation SystemA.W. Showell (Surgicraft), Ltd. · 1985
  2. 23 generations backK965221 Ransford Cervical Fixation SystemSurgicraft, Ltd. · 1997
  3. 22 generations backK982322 Synthes Spine Occipital-Cervical Plate/Rod and Hook SystemSynthes (Usa) · 1998
  4. 21 generations backK002733 Summit Occipito-Cervico-Thoracic (Oct) Spinal SystemDepuyacromed · 2000
  5. 20 generations backK013222 Summit Occipito-Cervico- Thoracic (Oct) Spinal SystemDepuyacromed · 2001
  6. 19 generations backK022190 Modification to Summit Occipito-Cervico-Thoracic (Oct) Spinal SystemDepuyacromed · 2002
  7. 18 generations backK030103 Summit Oct Spinal System Minipolyaxial ScrewsDepuyacromed · 2003
  8. 17 generations backK041203 Summit Oct Spinal SystemDepuy Spine, Inc. · 2004
  9. 16 generations backK062174 Modification to Expedium Spine SystemDepuy Spine, Inc. · 2006
  10. 15 generations backK063156 Modification to Expedium Spine SystemDepuy Spine, Inc. · 2006
  11. 14 generations backK063741 Expedium Spine SystemDepuy Spine, Inc. · 2007
  12. 13 generations backK080313 Modification to Expedium Spine SystemDepuy Spine, Inc. · 2008
  13. 12 generations backK111571 Viper SystemsJohnson & Johnson · 2011
  14. 11 generations backK121016 Range Spinal System (Mesa and Denali)K2m, Inc. · 2012
  15. 10 generations backK130330 Range Spinal SystemK2m, Inc. · 2013
  16. 9 generations backK131784 Range Spinal SystemK2m, Inc. · 2013
  17. 8 generations backK133944 Range, Spinal System, Everest Spinal SystemK2m, Inc. · 2014
  18. 7 generations backK141873 Range/Mesa/Denali Spinal SystemK2m, Inc. · 2014
  19. 6 generations backK143334 Range/Denali/Mesa Spinal SystemK2m, Inc. · 2015
  20. 5 generations backK150325 Range/Denali/Mesa Spinal SystemK2m, Inc. · 2015
  21. 4 generations backK151727 Everest Spinal SystemK2m, Inc. · 2015
  22. 3 generations backK161369 EVEREST Spinal SystemK2m, Incorporated · 2016
  23. 2 generations backK181188 EVEREST Spinal SystemK2m, Inc. · 2018
  24. 1 generation backK181603 EVEREST Spinal System, RANGE (MESA and DENALI) Spinal System…K2m, Inc. · 2018
  25. This deviceK222684 XIA® 4.5 Spinal System, XIA® 4.5 Cortical Trajectory, XIA® 3 Spinal…Stryker Spine · 2023

Class I recalls in this family

Most influential descendants

Showing 4 of 4 · See all
  • K242361OZARK Cervical Plate System; PYRENEES® Cervical Plate System; EVEREST® Spinal System…Stryker Spine · 2024 · cites it directly1descendant
  • K240872Erisma® Deformity Spinal System; Erisma® Lp Spinal Fixation SystemClariance · 2024 · cites it directly1descendant
  • K253545Vulcan Spinal SystemK2m, Inc. · 2026 · 2 generations on0descendants
  • K241863Erisma® Lp Spinal Fixation System; Erisma® LP MISClariance · 2024 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−24K853033Hartshill Rect & Wires, Spinal Fixation SystemA.W. Showell (Surgicraft), Ltd.1985—
−23K965221Ransford Cervical Fixation SystemSurgicraft, Ltd.1997—
−22K982322Synthes Spine Occipital-Cervical Plate/Rod and Hook SystemSynthes (Usa)1998—
−21K002733Summit Occipito-Cervico-Thoracic (Oct) Spinal SystemDepuyacromed2000—
−20K013222Summit Occipito-Cervico- Thoracic (Oct) Spinal SystemDepuyacromed2001—
−19K022190Modification to Summit Occipito-Cervico-Thoracic (Oct) Spinal SystemDepuyacromed2002—
−18K030103Summit Oct Spinal System Minipolyaxial ScrewsDepuyacromed2003—
−17K041203Summit Oct Spinal SystemDepuy Spine, Inc.2004—
−16K062174Modification to Expedium Spine SystemDepuy Spine, Inc.2006—
−15K063156Modification to Expedium Spine SystemDepuy Spine, Inc.2006—
−14K063741Expedium Spine SystemDepuy Spine, Inc.2007—
−13K080313Modification to Expedium Spine SystemDepuy Spine, Inc.2008—
−12K111571Viper SystemsJohnson & Johnson2011—
−11K121016Range Spinal System (Mesa and Denali)K2m, Inc.2012—
−10K130330Range Spinal SystemK2m, Inc.2013—
−9K131784Range Spinal SystemK2m, Inc.2013—
−8K133944Range, Spinal System, Everest Spinal SystemK2m, Inc.2014—
−7K141873Range/Mesa/Denali Spinal SystemK2m, Inc.2014—
−6K143334Range/Denali/Mesa Spinal SystemK2m, Inc.2015—
−5K150325Range/Denali/Mesa Spinal SystemK2m, Inc.2015—
−4K151727Everest Spinal SystemK2m, Inc.2015—
−3K161369EVEREST Spinal SystemK2m, Incorporated2016—
−2K181188EVEREST Spinal SystemK2m, Inc.2018—
−1K181603EVEREST Spinal System, RANGE (MESA and DENALI) Spinal System, CASPIAN OCT…K2m, Inc.2018—
0 (this device)K222684XIA® 4.5 Spinal System, XIA® 4.5 Cortical Trajectory, XIA® 3 Spinal System…Stryker Spine2023—
+1K242361OZARK Cervical Plate System; PYRENEES® Cervical Plate System; EVEREST® Spinal…Stryker Spine2024—
+1K240872Erisma® Deformity Spinal System; Erisma® Lp Spinal Fixation SystemClariance2024—
+2K253545Vulcan Spinal SystemK2m, Inc.2026—
+2K241863Erisma® Lp Spinal Fixation System; Erisma® LP MISClariance2024—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197610
197810
198410
198510
198620
198810
199030
199110
199260
199360
199440
199590
1996110
199780
1998140
1999150
2000190
2001350
2002260
2003330
2004580
2005450
2006330
2007310
2008431
2009340
2010261
2011320
2012240
2013160
2014110
2015170
201630
201760
202010

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202430
202610
FIG. 1 — Lineage of K222684, 1985–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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.

2 devices in this family have 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 NKB device

  1. #1 K223494 CD Horizon Spinal Systemscore 40.4 · 30 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? (12)

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
*K172724XIA® 4.5 Spinal System, Power Adaptor Instrument Accessory
Summary page 26
…NQW - Spinal Interlaminal Fixation Orthosis, 21 CFR §888.3050 Predicate Devices: Primary Predicate: XIA® 4.5 Spinal System (K172724) Additional Predicates: -XIA® 3 Spinal System – Serrato (K170496)…
Stryker Corporation2017—
*K170496Xia® 3 Spinal System, Stryker Spine Power Adaptor Instrument Accessory
Summary page 26
…edicate: XIA® 4.5 Spinal System (K172724) Additional Predicates: -XIA® 3 Spinal System – Serrato (K170496) -XIA® Growth Rod Conversion Set (K142114) -XIA® Titanium Spinal System (K061854)…
Stryker Corporation20171
*K142114Xia® Growth Rod Conversion Set
Summary page 26
…Additional Predicates: -XIA® 3 Spinal System – Serrato (K170496) -XIA® Growth Rod Conversion Set (K142114) -XIA® Titanium Spinal System (K061854) -MANTIS®, MANTIS® Redux, Radius®, TRIO®& TRIO®…
Stryker Corporation2014—
*K061854Xia Titanium Spinal System and Xia Stainless Steel Spinal System
Summary page 26
…-XIA® 3 Spinal System – Serrato (K170496) -XIA® Growth Rod Conversion Set (K142114) -XIA® Titanium Spinal System (K061854) -MANTIS®, MANTIS® Redux, Radius®, TRIO®& TRIO® +, TRIO® Trauma, XIA®, XIA® 3 and XIA®…
Stryker Spine2006—
*K133188Mantis & Mantis Redux Spinal System, Radius Spinal System, Trio & Trio+ Spinal Fixation…
Summary page 26
…A® Titanium Spinal System (K061854) -MANTIS®, MANTIS® Redux, Radius®, TRIO®& TRIO® +, TRIO® Trauma, XIA®, XIA® 3 and XIA® 4.5 (K133188) -ES2® Spinal System (K122845) -ES2® Augmentable Spinal System (K192818)…
Stryker Spine2013—
*K122845ES2 Spinal System Model 48280XXXX
Summary page 26
…-MANTIS®, MANTIS® Redux, Radius®, TRIO®& TRIO® +, TRIO® Trauma, XIA®, XIA® 3 and XIA® 4.5 (K133188) -ES2® Spinal System (K122845) -ES2® Augmentable Spinal System (K192818) -OASYS® System (K151755)…
Stryker Spine2012—
*K192818Vertaplex HV High Viscosity Radiopaque Bone Cement; ES2 Augmentable Spinal System
Summary page 26
…Trauma, XIA®, XIA® 3 and XIA® 4.5 (K133188) -ES2® Spinal System (K122845) -ES2® Augmentable Spinal System (K192818) -OASYS® System (K151755) -NILE Proximal Fixation Spinal System (K161332)…
Stryker Corporation2020—
*K151755OASYS (r) System
Summary page 26
…XIA® 4.5 (K133188) -ES2® Spinal System (K122845) -ES2® Augmentable Spinal System (K192818) -OASYS® System (K151755) -NILE Proximal Fixation Spinal System (K161332) -NILE Alternative Fixation Spinal Syst…
Stryker Corporation2015—
*K161332NILE Proximal Fixation Spinal System
Summary page 26
…-ES2® Augmentable Spinal System (K192818) -OASYS® System (K151755) -NILE Proximal Fixation Spinal System (K161332) -NILE Alternative Fixation Spinal System (K160208) -Escalate® Laminoplasty System (K11…
K2m, Inc.2017—
*K160208NILE Alternative Fixation Spinal System
Summary page 26
…-OASYS® System (K151755) -NILE Proximal Fixation Spinal System (K161332) -NILE Alternative Fixation Spinal System (K160208) -Escalate® Laminoplasty System (K113802) -EVEREST Spinal System, RANGE (MESA and DENAL…
K2m, Inc.2016—
*K113802Escalate Laminoplasty System
Summary page 26
…LE Proximal Fixation Spinal System (K161332) -NILE Alternative Fixation Spinal System (K160208) -Escalate® Laminoplasty System (K113802) -EVEREST Spinal System, RANGE (MESA and DENALI) Spinal System, CASPIAN OCT (MESA Mini…
Stryker Spine2012—
*K181603EVEREST Spinal System, RANGE (MESA and DENALI) Spinal System, CASPIAN OCT (MESA Mini and…
Summary page 26
…System, RANGE (MESA and DENALI) Spinal System, CASPIAN OCT (MESA Mini and DENALI Mini) Spinal System, YUKON OCT Spinal System (K181603) K222684…
K2m, Inc.2018—

Also cleared against K172724: 2 other devices →

What descends from it? (4)

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

NumberDeviceApplicantDecidedDescendants
K242361OZARK Cervical Plate System; PYRENEES® Cervical Plate System; EVEREST® Spinal System…Stryker Spine20241
K240872Erisma® Deformity Spinal System; Erisma® Lp Spinal Fixation SystemClariance20241

Has anything in its family been recalled? (2 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 · 4 generations back · ◆ in the 2008 ancestors bar of FIG. 11 Class I recall
  • K093670Modification to: Oasys SystemStryker Spine · 2010 · 5 generations back · ◆ in the 2010 ancestors bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 38 years and passes through 9 companies; a new generation was cleared every 10 months on median.
  • 68 of the 601 ancestors have a recall of any class; 2 have a Class I recall.
  • Of its descendants, K242361 (Stryker Spine, 2024) has gone furthest, with 1 descendant of its own.
  • 2 other devices also cite its predicate K172724.

How does its category compare?

All NKB devices

NKB Thoracolumbosacral Pedicle Screw System: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.

FDA decisions per year · NKB

24in 2025

2007: 382008: 362009: 442010: 372011: 482012: 602013: 352014: 462015: 552016: 502017: 632018: 562019: 392020: 482021: 322022: 342023: 442024: 392025: 242026 (partial year): 30
2007high 63 (2017) · low 24 (2025)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NKB

61in 2025

2007: 87 days median2008: 59 days median2009: 71 days median2010: 111 days median2011: 84 days median2012: 79 days median2013: 73 days median2014: 90 days median2015: 90 days median2016: 84 days median2017: 69 days median2018: 61 days median2019: 84 days median2020: 68 days median2021: 61 days median2022: 88 days median2023: 72 days median2024: 57 days median2025: 61 days median2026 (partial year): 91 days median
2007high 111 (2010) · low 57 (2024)2026

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

Recalls per year · NKB

1in 2025

2007: 42008: 52009: 332010: 42011: 32012: 132014: 3, 1 Class I2015: 32016: 12017: 12018: 32019: 12020: 12022: 52023: 22024: 32025: 12026 (partial year): 3
2007high 33 (2009) · low 0 (2013)2026

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

Adverse event reports per year · NKB

1,171in 2025

2007: 342008: 822009: 1712010: 4622011: 5772012: 1,7472013: 1,9622014: 1,6712015: 1,4462016: 1,5852017: 1,6182018: 1,6842019: 1,9152020: 2,0762021: 1,7452022: 1,3392023: 9192024: 1,6142025: 1,171
2007high 2,076 (2020) · low 34 (2007)2025

MAUDE reports naming product code NKB, 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
20073887434
20083659582
2009447133171
2010371114462
201148843577
20126079131,747
2013357301,962
201446903 (1)1,671
2015559031,446
2016508411,585
2017636911,618
2018566131,684
2019398411,915
2020486812,076
2021326101,745
2022348851,339
202344722919
2024395731,614
2025246111,171
202630913—

What is it indicated for?

The XIA® 4.5 Spinal System is intended for anterior/anteriolateral and posterior, non-cervical pedicle and non-pedicle fixation for the following indications: • Degenerative Disc Disease (as defined by back pain of discogenic origin with degeneration of the disc confirmed by patient history and radiographic studies) • Spondylolisthesis • Trauma (i.e. fracture of dislocation) • Spinal Stenosis • Curvatures (i.e. scoliosis, kyphosis, and/or lordosis) •…

Read the full statement (2,829 words)

The XIA® 4.5 Spinal System is intended for anterior/anteriolateral and posterior, non-cervical pedicle and non-pedicle fixation for the following indications:

• Degenerative Disc Disease (as defined by back pain of discogenic origin with degeneration of the disc confirmed by patient history and radiographic studies)

• Spondylolisthesis

• Trauma (i.e. fracture of dislocation)

• Spinal Stenosis

• Curvatures (i.e. scoliosis, kyphosis, and/or lordosis)

• Tumor

• Pseudarthrosis

• Failed Previous Fusion

The Stryker Spine DIAPASON® Spinal System, Opus® Spinal System, and XIA® 4.5 Spinal System can be linked to the XIA® 4.5 Spinal System via the rod-to-rod connector when used for the aforementioned indications in skeletally mature patients as an adjunct to fusion.

Except for the staples, when used for posterior non-cervical pedicle screw fixation in pediatric patients, the XIA® 4.5 Spinal System implants are indicated as an adjunct to fusion to treat progressive spinal deformities (i.e., scoliosis, kyphosis, or lordosis) including idiopathic scoliosis, neuromuscular scoliosis, and congenital scoliosis. Additionally, the XIA® 4.5 Spinal System is intended to treat pediatric patients diagnosed with: spondylolisthesis/spondylolysis, fracture caused by tumor and/or trauma, pseudarthrosis, and/or failed previous fusion. This system is intended to be used with autogra:ft and/or allograft. Pediatric pedicle screw fixation is limited to a posterior approach.

The XIA® 4.5 Spinal System is intended for anterior/anteriolateral and posterior, non-cervical pedicle and non-pedicle fixation for the following indications:

• Degenerative Disc Disease (as defined by back pain of discogenic origin with degeneration of the disc confirmed by patient history and radiographic studies)

• Spondylolisthesis

• Trauma (i.e. fracture of dislocation)

• Spinal Stenosis

• Curvatures (i.e. scoliosis, kyphosis, and/or lordosis)

• Tumor

• Pseudarthrosis

• Failed Previous Fusion

The Stryker Spine DIAPASON® Spinal System, Opus® Spinal System, and XIA® 4.5 Spinal System can be linked to the XIA® 4.5 Spinal System via the rod-to-rod connector when used for the aforementioned indications in skeletally mature patients as an adjunct to fusion.

Except for the staples, when used for posterior non-cervical pedicle screw fixation in pediatric patients, the XIA® 4.5 Spinal System implants are indicated as an adjunct to fusion to treat progressive spinal deformities (i.e., scoliosis, kyphosis, or lordosis) including idiopathic scoliosis, neuromuscular scoliosis, and congenital scoliosis. Additionally, the XIA® 4.5 Spinal System is intended to treat pediatric patients diagnosed with: spondylolisthesis/spondylolysis, fracture caused by tumor and/or trauma, pseudarthrosis, and/or failed previous fusion. This system is intended to be used with autogra:ft and/or allograft. Pediatric pedicle screw fixation is limited to a posterior approach.

The Xia® 3 Spinal System is intended for use in the non-cervical spine. When used as an anterior/anterolateral and posterior, non-cervical pedicle and non-pedicle fixation system, the Xia® 3 Spinal System is intended to provide additional support during fusion using auto graft or allograft in skeletally mature patients in the treatment of the following acute and chronic instabilities or deformities:

• Degenerative Disc Disease (as defined by back pain of discogenic origin with degeneration of the disc confirmed by patient history and radiographic studies)

• Spondylolisthesis

• Trauma (i.e. fracture of dislocation)

• Spinal stenosis

• Curvatures (i.e., scoliosis, kyphosis, and/or lordosis)

• Tumor

• Pseudarthrosis

• Failed previous fusion

The 5.5 mm rods from the Stryker Spine Radius™ Spinal System and 6.0 mm Vitallium rods from the Xia® Spinal System are intended to be used with the other components of the Xia® 3 Spinal System.

When used for posterior, non-cervical, pedicle screw fixation in pediatric patients, the Xia® 3 Spinal System implants are indicated as an adjunct to fusion to treat progressive spinal deformities (i.e., scoliosis, kyphosis, or lordosis) including idiopathic scoliosis, neuromuscular scoliosis, and congenital scoliosis. Additionally, the Xia® 3 Spinal System is intended to treat pediatric patients diagnosed with: spondylolisthesis/spondylolysis, fracture caused by tumor and/or trauma, pseudarthrosis, and/or failed previous fusion. This system is intended to be used with autograft and/or allograft. Pediatric pedicle screw fixation is limited to a posterior approach.

The Xia® 3 Spinal System is intended for use in the non-cervical spine. When used as an anterior/anterolateral and posterior, non-cervical pedicle and non-pedicle fixation system, the Xia® 3 Spinal System is intended to provide additional support during fusion using auto graft or allograft in skeletally mature patients in the treatment of the following acute and chronic instabilities or deformities:

• Degenerative Disc Disease ( as defined by back pain of discogenic origin with degeneration of the disc confirmed by patient history and radiographic studies)

• Spondylolisthesis

• Trauma (i.e. fracture of dislocation)

• Spinal stenosis

• Curvatures (i.e., scoliosis, kyphosis, and/or lordosis)

• Tumor

• Pseudarthrosis

• Failed previous fusion

The 5.5 mm rods from the Stryker Spine Radius™ Spinal System and 6.0 mm Vitallium rods from the Xia® Spinal System are intended to be used with the other components of the Xia® 3 Spinal System.

When used for posterior, non-cervical, pedicle screw fixation in pediatric patients, the Xia® 3 Spinal System implants are indicated as an adjunct to fusion to treat progressive spinal deformities (i.e., scoliosis, kyphosis, or lordosis) including idiopathic scoliosis, neuromuscular scoliosis, and congenital scoliosis. Additionally, the Xia® 3 Spinal System is intended to treat pediatric patients diagnosed with: spondylolisthesis/spondylolysis, fracture caused by tumor and/or trauma, pseudarthrosis, and/or failed previous fusion. This system is intended to be used with autograft and/or allograft. Pediatric pedicle screw fixation is limited to a posterior approach.

he Xia® Growth Rod Conversion Set is indicated in patients with potential for additional spinal growth under 10 years of age who require surgical treatment to obtain and maintain correction of severe, progressive, life-threatening, early onset spinal deformities associated with thoracic insufficiency, including early-onset scoliosis. The Xia® Growth Rod Conversion Set may be used with any cleared Xia® 4.5 Spinal System rod construct. The Xia® Growth Rod Conversion Set is not intended for use in conjunction with staples.

The Xia® and Xia II Titanium Spinal Systems are intended for anterior/anterolateral and posterior, noncervical pedicle and non-pedicle fixation for the following indications: degenerative-disc disease (DOD) (defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies); spondylolisthesis; trauma (i.e., fracture or dislocation); spinal stenosis; curvatures (i.e., scoliosis, kyphosis, and/or lordosis); tumor, pseudoarthrosis; and failed previous fusion.

The 6 mm diameter rods from the DIAPASON™ Spinal System and OPUS™ Spinal System are intended to be used with the other components of the Xia and Xia II Titanium Spinal Systems. The Titanium Multi-Axial Cross Connectors are intended to be used with the other components of the Xia and Xia II Titanium Spinal Systems.

The Xia® Titanium Spinal System is intended for anterior/anterolateral and posterior, noncervical pedicle and non-pedicle fixation for the following indications: degenerative-disc disease (DOD) (defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies); spondylolisthesis; trauma (i.e., fracture or dislocation); spinal stenosis; curvatures (i.e., scoliosis, kyphosis, and/or lordosis); tumor, pseudoarthrosis; and failed previous fusion.

The 6 mm diameter rods from the DIAPASON™ Spinal System and OPUS™ Spinal System are intended to be used with the other components of the Xia Titanium Spinal System. The Titanium Multi-Axial Cross Connectors are intended to be used with the other components of the XiaTitanium Spinal Systems.

The Xia® Titanium Spinal System is intended for anterior/anterolateral and posterior, noncervical pedicle and non-pedicle fixation for the following indications: degenerative-disc disease (DOD) (defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies); spondylolisthesis; trauma (i.e., fracture or dislocation); spinal stenosis; curvatures (i.e., scoliosis, kyphosis, and/or lordosis); tumor, pseudoarthrosis; and failed previous fusion.

The 6 mm diameter rods from the DIAPASON™ Spinal System and OPUS™ Spinal System are intended to be used with the other components of the Xia Titanium Spinal System. The Titanium Multi-Axial Cross Connectors are intended to be used with the other components of the Xia Titanium Spinal Systems.

The 6mm diameter rods from the DIAPASON Spinal System are intended to be used with the components of the XIA Titanium Spinal System. As a posterior, non-pedicle screw system of the T4-S2 spine, the Diapason Spinal system is indicated for long and short curve scoliosis, vertebral fracture or dislocation, spondylolisthesis, degenerative-disc disease (defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies), previously failed fusion and spinal tumor. When used as a pedicle screw fixation system of the non-cervical spine in skeletally mature patients, the Diapason Spinal system is indicated for one or more of the following: degenerative spondylolisthesis with objective evidence of neurological impairment, fracture, dislocation, scoliosis, kyphosis, spinal tumor, and failed previous fusion (pseudoarthrosis).

In addition, the Diapason Spinal System is indicated for pedicle screw fixation in skeletally mature patients with severe spondylolisthesis (Grade 3 and 4) at the L5-Sl joint, having fusions with autogenous bone graft, having the device fixed or attached to the lumbar and sacral spine (with pedicle placement at L3 and below) with removal of the implants after the development of a solid fusion mass.

The OPUS™ Spinal System is intended for posterior, noncervical pedicle and non-pedicle fixation of the spine to provide immobilization and stabilization of spinal segments in skeletally mature patients as an adjunct to fusion for the following indications: disease (DDD) (defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies); spondylolisthesis; trauma (i.e., fracture or dislocation); spinal stenosis; curvatures (i.e., scoliosis, kyphosis, and/or lordosis); tumor, pseudoarthrosis; and failed previous fusion.

The OPUS™ Spinal System is also intended to be used in conjunction with the titanium hooks from the OSS/Diapason Spinal System and the Xia Spinal System. The OPUS Spinal System is also intended to be used in conjunction with the Multi-Acis Cross Connectors.

The Radius® Spinal System is intended for use in the noncervical spine. When used as an anterior/anterolateral and posterior, noncervical pedicle and non-pedicle fixation system, the Radius® Spinal system is intended to provide additional support during fusion using autograft or allograft in skeletally mature patients in the treatment of the following acute and chronic instabilities or deformities:

• Degenerative Disc Disease (DOD) ( defined as back pain of discogenic origin with degeneration of the disc confimned by history and radiographic studies);

• Spondylolisthesis;

• Trauma (i.e. fracture or dislocation);

• Spinal Stenosis;

• Curvature (i.e. scoliosis, kyphosis, and/or lordosis);

• Tumor;

• Pseudoarthorisis;

• and Failed Previous Fusion

The Radius® Spinal System can also be linked to the XIA® Titanium Spinal System via the 05.5mm to 06.0mm Radius® rod-to-rod connector.

The MANTIS® Redux Spinal System is intended for percutaneous, posterior, non-cervical pedicle and non-pedicle fixation of the spine to provide immobilization and stabilization of spinal segments in skeletally mature patients as an adjunct to fusion for the following indications:

• Degenerative Disc Disease ( defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies);

• Spondylolisthesis;

• Trauma (i.e. fracture or dislocation);·

• Spinal Stenosis;

• Curvature (i.e. scoliosis, kyphosis, and/or lordosis);

• Tumor;

• Pseudoarthorisis; and

• Failed Previous Fusion

The MANTIS® Spinal System is intended for percutaneous, posterior, non-cervical pedicle and non-pedicle fixation of the spine to provide immobilization and stabilization of spinal segments in skeletally mature patients as an adjunct to fusion for the following indications:

• Degenerative Disc Disease ( defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies);

• Spondylolisthesis;

• Trauma (i.e. fracture or dislocation);·

• Spinal Stenosis;

• Curvature (i.e. scoliosis, kyphosis, and/or lordosis);

• Tumor;

• Pseudoarthorisis; and

• Failed Previous Fusion

The Stryker Spine TRIO® Spinal System is intended for posterior. noncervical pedicle and nonpedicle fixation of the spine to provide immobilization and stabilization of spinal segments in skeletally mature patients as an adjunct to fusion for the following indications:

• Degenerative Disc Disease (DDD) (defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies);

• Spondylolisthesis;

• Trauma (i.e. fracture or dislocation};

• Spinal Stenosis; .

• Curvature (i.e. scoliosis, kyphosis, and/or lordosis};

• Tumor;

• Pseudoarthorisis;

• and Failed Previous Fusion

The TRIO® Spinal Fixation System is intended to be used in conjunction with the OSS Diapason Rods, Opus Spinal System Rods. and the Multi-Axis Cross Connectors. The TRIO®+ Spinal System is intended to be used in conjunction with the OSS/Diapason Rods or Opus Rods, XIA® Pre-bent Rods, and the Multi-Axis Cross Connectors.

The ES2™ Spinal System is intended for percutaneous, posterior, non-cervical pedicle and nonpedicle fixation of the pine to provide immobilization and stabilization of spinal segment in skeletally mature patients as an adjunct to fusion for the following indications:

• Degenerative Disc Disease (defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies),

• Spondylolisthesis,

• Trauma (i.e. fracture or dislocation),

• Spinal stenosis,

• Curvatures (i.e. scoliosis, kyphosis, and/or lordosis),

• Tumor,

• Pseudarthrosis, and

• Failed previous fusion.

The Titanium and Vitallium® rods from the Stryker Spine RADIUS®; MANTIS® and MANTIS® Redux Spinal Systems are intended to be used with the other components of the ES2™ Spinal System.

When used without cement, the ES2® Augmentable Spinal System is intended for posterior, non-cervical fixation as an adjunct to fusion for the following indications: degenerative disc disease ( defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies), spondylolisthesis, tumor and/or trauma (i.e., fracture or dislocation), spinal stenosis, curvatures (i.e., scoliosis, kyphosis, or lordosis), pseudarthrosis, and/or failed previous fusion.

When used in conjunction with the Vertaplex® HV High Viscosity Radiopaque Bone Cement, the ES2® Augmentable Spinal System is intended to restore the integrity of the spinal column even in the absence of fusion for a limited time period in patients with advanced stage tumors involving the thoracic and lumbar spine in whom life expectancy is of insufficient duration to permit achievement of fusion. ES2® Augmentable Spinal System augmented with the Vertaplex® HV High Viscosity Radiopaque Bone Cement is for use at spinal levels where the structural integrity of the spine is not severely compromised.

The Stryker Spine OASYS® System is intended to provide immobilization and stabilization of spinal segments as an adjunct to fusion for the following acute and chronic instabilities of the craniocervical junction, the cervical spine ( C 1 to C7) and the thoracic spine (Tl-T3): traumatic spinal fractures and/or traumatic dislocations; instability or deformity; failed previous fusions (e.g. pseudoarthrosis); tumors involving the cervical/thoracic spine; and degenerative disease, including intractable radiculopathy and/or myelopathy, neck and/or arm pain of discogenic origin as confirmed by radiographic studies, and degenerative disease of the facets with instability.

The Stryker Spine OASYS® System is also intended to restore the integrity of the spinal column even in the absence of fusion for a limited time period in patients with advanced stage tumors involving the cervical spine in whom life expectancy is of insufficient duration to permit achievement of fusion.

The Stryker Spine OASYS® System can be linked to the Xia® System, SR90D System and Xia® 4.5 Spinal System via the rod-to-rod connectors and transition rods.

The Stryker Spine OASYS® System can also be linked to the polyaxial screws of the Xia® II and Xia® 3 Systems via the saddle connector.

The NILE Proximal Fixation Spinal System are temporary implants for use in orthopedic surgery. The system is intended to provide temporary stabilization as a bone anchor during the development of solid bony fusion and aid in the repair of bone fractures.

The indications for use include the following applications:

1. Spinal trauma surgery, used in sublaminar, interspinous, or facet wiring techniques;

2. Spinal reconstructive surgery, incorporated into constructs for the purpose of correction of spinal deformities such as idiopathic and neuromuscular scoliosis in patients 8 years of age and older, adult scoliosis, kyphosis, and spondylolisthesis;

3. Spinal degenerative surgery, as an adjunct to spinal fusions.

The NILE Proximal Fixation Spinal System may also be used in conjunction with other medical implants made of similar metals whenever 'wiring' may help secure the attachment of other implants.

The NILE Alternative Fixation Spinal System are temporary implants for use in orthopedic surgery. The system is intended to provide temporary stabilization as a bone anchor during the development of solid bony fusion and aid in the repair of bone fractures.

The indications for use include the following applications:

1. Spinal trauma surgery, used in sublaminar, interspinous, or facet wiring techniques;

2. Spinal reconstructive surgery, incorporated into constructs for the purpose of correction of spinal deformities such as idiopathic and neuromuscular scoliosis in patients 8 years of age and older, adult scoliosis, kyphosis, and spondylolisthesis;

3. Spinal degenerative surgery, as an adjunct to spinal fusions.

The NILE Alternative Fixation Spinal System may also be used in conjunction with other medical implants made of similar metals whenever 'wiring' may help secure the attachment of other implants.

The Escalate™ Laminoplasty System is intended for use in the lower cervical and upper thoracic spine (C3-T3) in laminoplasty procedures. The system is intended to hold the lamina open following a laminoplasty procedure.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K222684: XIA® 4.5 Spinal System, XIA® 4.5 Cortical Trajectory, XIA® 3 Spinal System, Serrato® Spinal System, XIA® Growth Rod Conversion Set, XIA® II Spinal System, XIA® Precision System, XIA® Anterior, Diapason® Spinal System, Opus™ Spinal System, Radius® Spinal System, Mantis® Spinal System, Mantis® Redux, Trio® & Trio+ Spinal Fixation System, ES2™ Spinal System, ES2™ Augmentable Spinal System, Oasys® Occipito-Cervico-Thoracic System, Nile® Proximal Fixation Spinal System, Nile® Alternative Fi.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K222684

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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