510(k) Report

510(k) · Cleared

Cleared

The Karma® Fixation System

K242527510(k) TraditionalCleared May 21, 2025268-day reviewClass U

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

Spinal Elements, Inc. · MRW System, Facet Screw Spinal Device

Cleared on May 21, 2025 as substantially equivalent to K240085 (Zygofix, Ltd., 2024) after a 268-day review. Its family tree reaches back 8 generations to 1997.

Decided
May 21, 2025
Review
268 days
Class
Class U
Product code
MRW
Recalls
None
Predicates
1

Its longest line of descent runs back 8 generations to K953076 (1997). 22 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 8 generations backK953076 Townley Facet/Pedicular Screw Plating SystemSofamor Danek USA,Inc. · 1997
  2. 7 generations backK051856 TRANS1 Facet ScrewsTrans1 Incorporated · 2005
  3. 6 generations backK073515 TRANS1 Facet ScrewTrans1 Incorporated · 2008
  4. 5 generations backK092568 Spartan S3 Facet SystemAmendia, Inc. · 2009
  5. 4 generations backK120340 Venus Facet Screw SystemApollo Spine, Inc. · 2012
  6. 3 generations backK163374 ALLY™ Facet ScrewsProvidence Medical Technology, Inc. · 2017
  7. 2 generations backK230840 PMT Facet Fixation System, Lumbar (PMT FFS-LX)Providence Medical Technology, Inc. · 2023
  8. 1 generation backK240085 zLOCK Lumbar Facet Fixation SystemZygofix, Ltd. · 2024
  9. This deviceK242527 The Karma® Fixation SystemSpinal Elements, Inc. · 2025
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−8K953076Townley Facet/Pedicular Screw Plating SystemSofamor Danek USA,Inc.1997—
−7K051856TRANS1 Facet ScrewsTrans1 Incorporated2005—
−6K073515TRANS1 Facet ScrewTrans1 Incorporated2008—
−5K092568Spartan S3 Facet SystemAmendia, Inc.2009—
−4K120340Venus Facet Screw SystemApollo Spine, Inc.2012—
−3K163374ALLY™ Facet ScrewsProvidence Medical Technology, Inc.2017—
−2K230840PMT Facet Fixation System, Lumbar (PMT FFS-LX)Providence Medical Technology, Inc.2023—
−1K240085zLOCK Lumbar Facet Fixation SystemZygofix, Ltd.2024—
0 (this device)K242527The Karma® Fixation SystemSpinal Elements, Inc.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200010
200120
200220
200310
200520
200610
200820
201020
201310
FIG. 1 — Lineage of K242527, 1997–2025Source: 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
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What was it cleared against? (1)

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
*K240085zLOCK Lumbar Facet Fixation System
Summary page 5
…nclassified Proposed Regulatory Class unclassified Device Product Code MRW Primary Predicate Device zLOCK Lumbar Facet Fixation System (K240085) Reference Device Karma Fixation System (K180728 / K190289) III. DEVICE DESCRIPTION The Karma® Fixation System…
Zygofix, Ltd.2024—
†K180728Spinal Elements Cerclage SystemSpinal Elements, Inc.2018—
†K190289Karma® Fixation SystemSpinal Elements, Inc.2019—

Also cleared against K240085: 1 other device →

What descends from it?

No later submission names this one as a predicate yet.

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 28 years and passes through 7 companies; a new generation was cleared every 2.9 years on median.
  • 4 of the 22 ancestors have a recall of any class.
  • 1 other device also cites its predicate K240085.

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. 2025, 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 Karma Fixation System is intended for bilateral facet stabilization for fusion as an adjunct to a 1-level interbody lumbar fusion from L1 to L5 with autogenous and/or allogenic bone graft. The Karma Fixation System must be accompanied by an FDA cleared intervertebral body fusion device implanted at the same spinal level. The Karma Fixation System is indicated for the treatment of patients with lumbar degenerative disc disease at a single level from L1 to L5 in skeletally mature patients who have failed conservative care.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K242527: The Karma® Fixation System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K242527

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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