510(k) Report

510(k) · Cleared

Cleared

ALLY™ Facet Screws

K163374510(k) TraditionalCleared Feb 16, 201777-day reviewClass U

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

Providence Medical Technology, Inc. · MRW System, Facet Screw Spinal Device

Cleared on Feb 16, 2017 as substantially equivalent to K092568 (Amendia, Inc., 2009) and 2 other predicates after a 77-day review. Its family tree reaches back 5 generations to 1997. 18 later devices descend from it.

Decided
Feb 16, 2017
Review
77 days
Class
Class U
Product code
MRW
Recalls
None
Predicates
3

Its longest line of descent runs back 5 generations to K953076 (1997). 15 ancestors in all. 18 later devices descend from it, 3 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2013: 1 other ancestor2010: 1 other ancestor2008: 1 other ancestor2005: 1 other ancestor2003: 1 other ancestor2002: 2 other ancestors2001: 2 other ancestors2000: 1 other ancestor2023: 3 descendants cleared2022: 1 descendant cleared2024: 6 descendants cleared2026: 2 descendants cleared2025: 6 descendants clearedK953076 · Townley Facet/Pedicular Screw Plating System · Sofamor Danek USA,Inc. · 1997K051856 · TRANS1 Facet Screws · Trans1 Incorporated · 2005K073515 · TRANS1 Facet Screw · Trans1 Incorporated · 2008K092568 · Spartan S3 Facet System · Amendia, Inc. · 2009K120340 · Venus Facet Screw System · Apollo Spine, Inc. · 20121995200020052010201520202025
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 8 other ancestors3 generations back: 1 other ancestor 1 generation forward: 3 descendants2 generations forward: 11 descendants3 generations forward: 4 descendants K120340 · Venus Facet Screw System · Apollo Spine, Inc. · 2012K092568 · Spartan S3 Facet System · Amendia, Inc. · 2009K073515 · TRANS1 Facet Screw · Trans1 Incorporated · 2008K051856 · TRANS1 Facet Screws · Trans1 Incorporated · 2005K953076 · Townley Facet/Pedicular Screw Plating System · Sofamor Danek USA,Inc. · 1997−50
  1. Root · 5 generations backK953076 Townley Facet/Pedicular Screw Plating SystemSofamor Danek USA,Inc. · 1997
  2. 4 generations backK051856 TRANS1 Facet ScrewsTrans1 Incorporated · 2005
  3. 3 generations backK073515 TRANS1 Facet ScrewTrans1 Incorporated · 2008
  4. 2 generations backK092568 Spartan S3 Facet SystemAmendia, Inc. · 2009
  5. 1 generation backK120340 Venus Facet Screw SystemApollo Spine, Inc. · 2012
  6. This deviceK163374 ALLY™ Facet ScrewsProvidence Medical Technology, Inc. · 2017
  7. Descendant · cites it directly · 10 of its ownK211855 Ion Facet Screw SystemSurGenTec, LLC · 2022
  8. Descendant · cites it directly · 9 of its ownK230840 PMT Facet Fixation System, Lumbar (PMT FFS-LX)Providence Medical Technology, Inc. · 2023
  9. Descendant · 2 generations on · 3 of its ownK232468 SC Medica FFXSc Medica · 2024
  10. Descendant · 2 generations on · 3 of its ownK240086 Ion 3DSurGenTec, LLC · 2024
  11. Descendant · 2 generations on · 2 of its ownK252153 FFX Facet Fixation SystemSc Medica · 2025

Showing 5 of 18 descendants. See all descendants

Descendants cleared per year

2022: 12023: 32024: 62025: 62026: 2
2022high 6 (2024) · low 1 (2022)2026

Most influential descendants

Showing 5 of 18 · See all
  • K211855Ion Facet Screw SystemSurGenTec, LLC · 2022 · cites it directly10descendants
  • K230840PMT Facet Fixation System, Lumbar (PMT FFS-LX)Providence Medical Technology, Inc. · 2023 · cites it directly9descendants
  • K232468SC Medica FFXSc Medica · 2024 · 2 generations on3descendants
  • K240086Ion 3DSurGenTec, LLC · 2024 · 2 generations on3descendants
  • K252153FFX Facet Fixation SystemSc Medica · 2025 · 2 generations on2descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K953076Townley Facet/Pedicular Screw Plating SystemSofamor Danek USA,Inc.1997—
−4K051856TRANS1 Facet ScrewsTrans1 Incorporated2005—
−3K073515TRANS1 Facet ScrewTrans1 Incorporated2008—
−2K092568Spartan S3 Facet SystemAmendia, Inc.2009—
−1K120340Venus Facet Screw SystemApollo Spine, Inc.2012—
0 (this device)K163374ALLY™ Facet ScrewsProvidence Medical Technology, Inc.2017—
+1K211855Ion Facet Screw SystemSurGenTec, LLC2022—
+1K230840PMT Facet Fixation System, Lumbar (PMT FFS-LX)Providence Medical Technology, Inc.2023—
+2K232468SC Medica FFXSc Medica2024—
+2K240086Ion 3DSurGenTec, LLC2024—
+2K252153FFX Facet Fixation SystemSc Medica2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200010
200120
200220
200310
200510
200810
201010
201310

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202210
202330
202460
202560
202620
FIG. 1 — Lineage of K163374, 1997–2026Source: 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 MRW? 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 MRW device

  1. #1 K230840 PMT Facet Fixation System, Lumbar (PMT FFS-LX)score 26.0 · 6 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? (3)

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
*K092568Spartan S3 Facet System
Summary page 4
…System, Facet Screw Spinal Device Product Code, Class: MRW, Unclassified Predicate Devices: Primary Predicate: SpartanS3 Facet System (K092568, cleared 11/17/09) (This device has not been subject to recall.) Additional Predicates: Venus F…
Amendia, Inc.2009—
*K120340Venus Facet Screw System
Summary page 4
…Facet System (K092568, cleared 11/17/09) (This device has not been subject to recall.) Additional Predicates: Venus Facet Screw System (K120340, cleared 10/19/12) Facet Fixx (K131417, cleared 7/12/13) Indications for Use: The ALLY™ Facet Screw…
Apollo Spine, Inc.2012—
*K131417Facet Fixx
Summary page 4
…(This device has not been subject to recall.) Additional Predicates: Venus Facet Screw System (K120340, cleared 10/19/12) Facet Fixx (K131417, cleared 7/12/13) Indications for Use: The ALLY™ Facet Screws are indicated for the posterior surgical treatment of any or all…
Nexxt Spine, LLC2013—

Also cleared against K092568: 3 other devices →

What descends from it? (18)

See all 18

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

NumberDeviceApplicantDecidedDescendants
K211855Ion Facet Screw SystemSurGenTec, LLC202210
K230840PMT Facet Fixation System, Lumbar (PMT FFS-LX)Providence Medical Technology, Inc.20239
K230297PMT Expandable Cage (PMT EXP)Providence Medical Technology, Inc.20230

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 20 years and passes through 5 companies; a new generation was cleared every 2.9 years on median.
  • 1 of the 15 ancestors has a recall of any class.
  • Of its descendants, K211855 (SurGenTec, LLC, 2022) has gone furthest, with 10 descendants of its own.
  • 3 other devices also cite its predicate K092568.

How does its category compare?

All MRW devices

MRW System, Facet Screw Spinal Device: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.

FDA decisions per year · MRW

7in 2025

2008: 32009: 62010: 62011: 32012: 42013: 72015: 22016: 22017: 12018: 22019: 32022: 32023: 32024: 72025: 72026 (partial year): 5
2007high 7 (2013) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MRW

97in 2025

2008: 88 days median2009: 89 days median2010: 108 days median2011: 122 days median2012: 119 days median2013: 110 days median2019: 90 days median2022: 252 days median2023: 190 days median2024: 50 days median2025: 97 days median2026 (partial year): 169 days median
2007high 252 (2022) · low 50 (2024)2026

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

Recalls per year · MRW

3in 2011

2011: 3
2007high 3 (2011) · low 0 (2007)2026

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

Adverse event reports per year · MRW

3in 2025

2007: 12009: 22010: 72011: 622012: 62013: 42014: 12015: 22016: 12017: 42018: 42021: 12023: 12024: 22025: 3
2007high 62 (2011) · low 0 (2008)2025

MAUDE reports naming product code MRW, 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
20070—01
200838800
200968902
2010610807
20113122362
2012411906
2013711004
20140—01
20152—02
20162—01
20171—04
20182—04
201939000
20200—00
20210—01
2022325200
2023319001
202475002
202579703
202651690—

What is it indicated for?

The ALLY™ Facet Screws are indicated for the posterior surgical treatment of any or all of the following at the C2 to S1 (inclusive) spinal levels: 1) Trauma, including spinal fractures and/or dislocations; 2) Spondylolisthesis; 3) Pseudoarthrosis or failed previous fusions which are symptomatic or which may cause secondary instability or deformity; and 4) Degenerative diseases which include: (a) degenerative disc disease (DDD) as defined by neck and/or…

Read the full statement (110 words)

The ALLY™ Facet Screws are indicated for the posterior surgical treatment of any or all of the following at the C2 to S1 (inclusive) spinal levels:

1) Trauma, including spinal fractures and/or dislocations;

2) Spondylolisthesis;

3) Pseudoarthrosis or failed previous fusions which are symptomatic or which may cause secondary instability or deformity; and

4) Degenerative diseases which include: (a) degenerative disc disease (DDD) as defined by neck and/or back pain of discogenic origin as confirmed by patient history with degeneration of the disc as confirmed by radiographic studies and/or (b) degenerative disease of the facets with instability.

The ALLY™ Facet Screws provide temporary stabilization as an adjunct to spinal fusion.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K163374: ALLY™ Facet Screws.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K163374

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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