510(k) Report

510(k) · Decided

Recalled · Class II · 2019

Ucentum

K123717510(k) TraditionalDecided Mar 4, 201390-day reviewClass II21 CFR 888.3070Recalls 1

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

Ulrich GmbH & Co. KG · NKB Thoracolumbosacral Pedicle Screw System

Cleared on Mar 4, 2013 as substantially equivalent to K052385 (Ulrich GmbH & Co. KG, 2005) and 5 other predicates after a 90-day review. Its family tree reaches back 8 generations to 1999. 17 later devices descend from it. It has been recalled once.

Decided
Mar 4, 2013
Review
90 days
Class
Class II
Product code
NKB
Recalls
1
Predicates
6

Its longest line of descent runs back 8 generations to K990745 (1999). 58 ancestors in all, the oldest K901587 (1990). 17 later devices descend from it, 3 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2012: 1 other ancestor2011: 1 other ancestor2005: 3 other ancestors2002: 2 other ancestors1999: 1 other ancestor2010: 1 other ancestor2009: 1 other ancestor2007: 1 other ancestor2006: 1 other ancestor2004: 4 other ancestors2003: 6 other ancestors2000: 5 other ancestors1998: 3 other ancestors1997: 3 other ancestors1996: 1 other ancestor1994: 2 other ancestors2001: 3 other ancestors1995: 2 other ancestors1993: 2 other ancestors1992: 5 other ancestors1990: 2 other ancestors2015: 1 descendant cleared2019: 1 descendant cleared2016: 2 descendants cleared2024: 4 descendants cleared2021: 1 descendant cleared2025: 1 descendant cleared2023: 2 descendants cleared2018: 2 descendants cleared2017: 1 descendant cleared2026: 1 descendant cleared2020: 1 descendant clearedK990745 · Modification to Synthes Universal Spinal System · Synthes Spine · 1999K992739 · Click'x · Synthes Spine · 2000 · recalledK040442 · Protex Stabilization System · Globus Medical, Inc. · 2004K052069 · Protex Stabilization System with Additional Componentes · Globus Medical, Inc. · 2005K061202 · Revere Stabilization System · Globus Medical, Inc. · 2006K081195 · Revere Uniplanar Screws · Globus Medical, Inc. · 2008K091782 · Revere 6.35 Stabilization System · Globus Medical, Inc. · 2009K110280 · Revlok Fenestrated Screw System · Globus Medical, Inc. · 20111990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 5 other ancestors2 generations back: 17 other ancestors3 generations back: 22 other ancestors4 generations back: 6 other ancestors 1 generation forward: 3 descendants2 generations forward: 6 descendants3 generations forward: 3 descendants4 generations forward: 2 descendants5 generations forward: 1 descendant6 generations forward: 1 descendant7 generations forward: 1 descendant K110280 · Revlok Fenestrated Screw System · Globus Medical, Inc. · 2011K091782 · Revere 6.35 Stabilization System · Globus Medical, Inc. · 2009K081195 · Revere Uniplanar Screws · Globus Medical, Inc. · 2008K061202 · Revere Stabilization System · Globus Medical, Inc. · 2006K052069 · Protex Stabilization System with Additional Componentes · Globus Medical, Inc. · 2005K040442 · Protex Stabilization System · Globus Medical, Inc. · 2004K992739 · Click'x · Synthes Spine · 2000 · recalledK990745 · Modification to Synthes Universal Spinal System · Synthes Spine · 1999−50+5
  1. Root · 8 generations backK990745 Modification to Synthes Universal Spinal SystemSynthes Spine · 1999
  2. 7 generations backK992739 Click'xSynthes Spine · 2000 · Recalled
  3. 6 generations backK040442 Protex Stabilization SystemGlobus Medical, Inc. · 2004
  4. 5 generations backK052069 Protex Stabilization System with Additional ComponentesGlobus Medical, Inc. · 2005
  5. 4 generations backK061202 Revere Stabilization SystemGlobus Medical, Inc. · 2006
  6. 3 generations backK081195 Revere Uniplanar ScrewsGlobus Medical, Inc. · 2008
  7. 2 generations backK091782 Revere 6.35 Stabilization SystemGlobus Medical, Inc. · 2009
  8. 1 generation backK110280 Revlok Fenestrated Screw SystemGlobus Medical, Inc. · 2011
  9. This deviceK123717 UcentumUlrich GmbH & Co. KG · 2013
  10. Descendant · cites it directly · 11 of its ownK151727 Everest Spinal SystemK2m, Inc. · 2015
  11. Descendant · 2 generations on · 9 of its ownK161369 EVEREST Spinal SystemK2m, Incorporated · 2016
  12. Descendant · 3 generations on · 6 of its ownK181188 EVEREST Spinal SystemK2m, Inc. · 2018
  13. Descendant · 4 generations on · 5 of its ownK181603 EVEREST Spinal System, RANGE (MESA and DENALI) Spinal System…K2m, Inc. · 2018
  14. Descendant · 5 generations on · 4 of its ownK222684 XIA® 4.5 Spinal System, XIA® 4.5 Cortical Trajectory, XIA® 3 Spinal…Stryker Spine · 2023

Showing 5 of 17 descendants. See all descendants

Descendants cleared per year

2015: 12016: 22017: 12018: 22019: 12020: 12021: 12023: 22024: 42025: 12026: 1
2015high 4 (2024) · low 0 (2022)2026

Most influential descendants

Showing 5 of 17 · See all
  • K151727Everest Spinal SystemK2m, Inc. · 2015 · cites it directly11descendants
  • K161369EVEREST Spinal SystemK2m, Incorporated · 2016 · 2 generations on9descendants
  • K181188EVEREST Spinal SystemK2m, Inc. · 2018 · 3 generations on6descendants
  • K181603EVEREST Spinal System, RANGE (MESA and DENALI) Spinal System, CASPIAN OCT (MESA Mini and…K2m, Inc. · 2018 · 4 generations on5descendants
  • K222684XIA® 4.5 Spinal System, XIA® 4.5 Cortical Trajectory, XIA® 3 Spinal System, Serrato®…Stryker Spine · 2023 · 5 generations on4descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−8K990745Modification to Synthes Universal Spinal SystemSynthes Spine1999—
−7K992739Click'xSynthes Spine20001
−6K040442Protex Stabilization SystemGlobus Medical, Inc.2004—
−5K052069Protex Stabilization System with Additional ComponentesGlobus Medical, Inc.2005—
−4K061202Revere Stabilization SystemGlobus Medical, Inc.2006—
−3K081195Revere Uniplanar ScrewsGlobus Medical, Inc.2008—
−2K091782Revere 6.35 Stabilization SystemGlobus Medical, Inc.2009—
−1K110280Revlok Fenestrated Screw SystemGlobus Medical, Inc.2011—
0 (this device)K123717UcentumUlrich GmbH & Co. KG2013—
+1K151727Everest Spinal SystemK2m, Inc.2015—
+2K161369EVEREST Spinal SystemK2m, Incorporated2016—
+3K181188EVEREST Spinal SystemK2m, Inc.2018—
+4K181603EVEREST Spinal System, RANGE (MESA and DENALI) Spinal System, CASPIAN OCT…K2m, Inc.2018—
+5K222684XIA® 4.5 Spinal System, XIA® 4.5 Cortical Trajectory, XIA® 3 Spinal System…Stryker Spine2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199020
199250
199320
199420
199520
199610
199730
199830
199910
200050
200130
200220
200360
200440
200530
200610
200710
200910
201010
201110
201210

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201510
201620
201710
201820
201910
202010
202110
202320
202440
202510
202610
FIG. 1 — Lineage of K123717, 1999–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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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.

Planning a device in NKB? 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
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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.

TypeNumberDeviceApplicantDecidedRecalls
*K052385Tangors Polyaxial System
Summary page 2
…tem components are manufactured from titanium alloy (Ti-6A1-4V ELI) as described by ASTM F1 36. Predicate Devices: tangoRS TM (K052385 and K120891) flamenco TM (KI 02853) Moss Miami (K992168/K022623)…
Ulrich GmbH & Co. KG2005—
*K120891Tangors Multifunctional Posterior System
Summary page 2
…ts are manufactured from titanium alloy (Ti-6A1-4V ELI) as described by ASTM F1 36. Predicate Devices: tangoRS TM (K052385 and K120891) flamenco TM (KI 02853) Moss Miami (K992168/K022623)…
Ulrich GmbH & Co. KG2012—
*K102853Flamenco Spinal Fixation SystemUlrich GmbH & Co. KG20111
*K992168Moss Miami 6.35MM Polyaxial Screw
Summary page 2
…M F1 36. Predicate Devices: tangoRS TM (K052385 and K120891) flamenco TM (KI 02853) Moss Miami (K992168/K022623) RevockTM Fenestrated Screw System (K1 10280) Performance Data: Mechanical te…
Depuyacromed1999—
*K0226235.0 MM Diameter Polyaxial Screws (Moss Miami 6.35MM System)
Summary page 2
…Predicate Devices: tangoRS TM (K052385 and K120891) flamenco TM (KI 02853) Moss Miami (K992168/K022623) RevockTM Fenestrated Screw System (K1 10280) Performance Data: Mechanical testing of…
Depuyacromed2002—
*K110280Revlok Fenestrated Screw System
Summary page 2
…flamenco TM (KI 02853) Moss Miami (K992168/K022623) RevockTM Fenestrated Screw System (K1 10280) Performance Data: Mechanical testing of the worst case uCentumnTM constructs included…
Globus Medical, Inc.2011—

Also cleared against K052385: 2 other devices →

What descends from it? (17)

See all 17

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

NumberDeviceApplicantDecidedDescendants
K151727Everest Spinal SystemK2m, Inc.201511
K151704Diplomat® Spinal SystemSignus Medizintechnik GmbH20164
K191932Momentum™ Posterior Spinal Fixation SystemUlrich Medical USA20192

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Mar 8, 2019Class IIZ-1126-2019StorageCertain Torque Limiting Handles in the field are beyond their 3 year calibration life.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 14 years and passes through 3 companies; a new generation was cleared every 1.7 years on median.
  • 8 of the 58 ancestors have a recall of any class.
  • Of its descendants, K151727 (K2m, Inc., 2015) has gone furthest, with 11 descendants of its own.
  • 2 other devices also cite its predicate K052385.

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. 2013, 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 uCentumTM comprehensive posterior system is intended to provide immobilization and stabilization of spinal segments as an adjunct to fusion of the thoracic, lumbar and sacral spine (T1-S2). When used as a posterior spine thoracic/lumbar system, the uCentum is intended for the following indications: degenerative disc disease (as defined by back pain of discogenic with degeneration of the disc confirmed by patient history and radiographic studies), spinal stenosis, spondylolisthesis, spinal deformities (i.e., degenerative scoliosis, kyphosis, and/or lordlosis), fracture, spinal tumor, pseudarthrosis and failed previous fusion.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K123717: Ucentum.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K123717

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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