510(k) · Cleared

Cleared

Modification to Centaur Spinal System

K001844510(k) SpecialCleared Jul 19, 200030-day reviewClass II21 CFR 888.3060

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

Howmedica Osteonics Corp. · KWQ Appliance, Fixation, Spinal Intervertebral Body

Cleared on Jul 19, 2000 after a 30-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 103 later devices descend from it.

Decided: Jul 19, 2000
Review: 30 days
Class: Class II
Product code: KWQ
Recalls: None
Predicates: 0

103 later devices descend from it, 4 citing it directly.

This deviceK001844 Modification to Centaur Spinal SystemHowmedica Osteonics Corp. · 2000
Descendant · cites it directly · 102 of its ownK073437 Thor Anterior Plating SystemStryker Spine · 2008 · Recalled
Descendant · cites it directly · 101 of its ownK080773 Thor Anterior Plating SystemStryker Spine · 2008
Descendant · 2 generations on · 73 of its ownK091253 Thoracolumbar Plate, Model 1208-41FXX, Lumber Plate, Model…K2m, Inc. · 2009
Descendant · 3 generations on · 72 of its ownK131533 Cayman MI Plate SystemK2m, Inc. · 2013
Descendant · 4 generations on · 52 of its ownK172941 CASCADIA Interbody SystemK2m · 2018

Showing 5 of 103 descendants. See all descendants

Descendants cleared per year

2008high 20 (2023) · low 0 (2010)2026

Most influential descendants

Showing 5 of 103 · See all

K073437Thor Anterior Plating SystemStryker Spine · 2008 · cites it directly102descendants
K080773Thor Anterior Plating SystemStryker Spine · 2008 · cites it directly101descendants
K091253Thoracolumbar Plate, Model 1208-41FXX, Lumber Plate, Model 1208-41FXXL, Sacral Plate…K2m, Inc. · 2009 · 2 generations on73descendants
K131533Cayman MI Plate SystemK2m, Inc. · 2013 · 3 generations on72descendants
K172941CASCADIA Interbody SystemK2m · 2018 · 4 generations on52descendants

View FIG. 1 as a table

Line of descent and top descendants

Generation	Number	Device	Applicant	Decided	Recalls
0 (this device)	K001844	Modification to Centaur Spinal System	Howmedica Osteonics Corp.	2000	—
+1	K073437	Thor Anterior Plating System	Stryker Spine	2008	31
+1	K080773	Thor Anterior Plating System	Stryker Spine	2008	—
+2	K091253	Thoracolumbar Plate, Model 1208-41FXX, Lumber Plate, Model 1208-41FXXL, Sacral…	K2m, Inc.	2009	—
+3	K131533	Cayman MI Plate System	K2m, Inc.	2013	—
+4	K172941	CASCADIA Interbody System	K2m	2018	—

Descendants by year cleared

Year cleared	Devices	With a Class I recall
2008	2	0
2009	1	0
2013	1	0
2014	1	0
2015	1	0
2018	4	0
2019	7	0
2020	4	0
2021	6	0
2022	11	0
2023	20	0
2024	16	0
2025	13	0
2026	16	0

FIG. 1 — Lineage of K001844, 2000–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Sources: FDA 510(k) database (decision fields), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in KWQ? 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 KWQ device

#1 K233640 Segmental Plating System (SPS);IdentiTi SPS…score 21.9 · 31 generations · no Class I recall
#2 Held for the reportin the report
#3 Held for the reportin the report

Get a 510(k) Report

What was it cleared against?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (103)

See all 103

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

Number	Device	Applicant	Decided	Descendants
K073437	Thor Anterior Plating System	Stryker Spine	2008	102
K080773	Thor Anterior Plating System	Stryker Spine	2008	101
K142699	LITe Plate System	Stryker Corporation	2014	46
K150449	LITe Plate System	Stryker Corp.	2015	24

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?

Of its descendants, K073437 (Stryker Spine, 2008) has gone furthest, with 102 descendants of its own.

How does its category compare?

All KWQ devices

KWQ Appliance, Fixation, Spinal Intervertebral Body: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KWQ

7in 2025

2007high 32 (2008) · low 7 (2025)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KWQ

64in 2025

2007high 124 (2014) · low 55 (2020)2026

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

Recalls per year · KWQ

1in 2018

2007high 35 (2009) · low 0 (2014)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · KWQ

248in 2025

2007high 796 (2013) · low 248 (2025)2025

MAUDE reports naming product code KWQ, 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	27	101	2	288
2008	32	70	33	348
2009	23	90	35	355
2010	23	104	2	691
2011	22	95	5	415
2012	26	90	7	544
2013	22	88	6	796
2014	17	124	0	546
2015	25	102	2	562
2016	15	121	9	502
2017	20	67	8	492
2018	22	95	1	341
2019	26	81	0	298
2020	26	55	0	400
2021	17	59	0	591
2022	18	85	0	392
2023	16	59	0	320
2024	17	64	0	419
2025	7	64	0	248
2026	10	76	0	—

https://510kreport.com/device/K001844 · printed Nov 5, 2026

Cite this page

510(k) Report. “K001844: Modification to Centaur Spinal System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K001844

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Record history

FDA decision record loaded May 2, 2026
Lineage and recalls computed Nov 3, 2026
Page last updated Nov 3, 2026