510(k) Report

510(k) · Cleared

Cleared

Tyche Pedicle Screw System

K100373510(k) TraditionalCleared Jun 30, 2010138-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

Kyung Won Medical Co., Ltd. · MNH Orthosis, Spondylolisthesis Spinal Fixation

Cleared on Jun 30, 2010 as substantially equivalent to K024096 (U&I Corp., America, 2003) and 1 other predicate after a 138-day review. Its family tree reaches back 5 generations to 2000. 4 later devices descend from it.

Decided
Jun 30, 2010
Review
138 days
Class
Class II
Product code
MNH
Recalls
None
Predicates
2

Its longest line of descent runs back 5 generations to K000319 (2000). 10 ancestors in all. 4 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2003: 1 other ancestor2000: 4 other ancestors2012: 1 descendant cleared2015: 1 descendant cleared2022: 1 descendant cleared2023: 1 descendant clearedK000319 · Ebi Xfix DFS System · Ebi, L.P. · 2000K020279 · Forex Corporation, Optima, Spinal System · Forex Corp. · 2002 · recalledK031585 · U&I, Optima, Spinal System · U&I Corp., America · 2003 · recalledK050471 · 4CIS Solar Spine System and 4CIS Apollon Spine System · Solco Biomedical Co., Ltd. · 2005K082453 · 4CIS Solar and Apollon Spine Systems · Solco Biomedical Co., Ltd. · 2008200020052010201520202025
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 2 other ancestors3 generations back: 1 other ancestor4 generations back: 1 other ancestor 1 generation forward: 1 descendant2 generations forward: 1 descendant3 generations forward: 1 descendant4 generations forward: 1 descendant K082453 · 4CIS Solar and Apollon Spine Systems · Solco Biomedical Co., Ltd. · 2008K050471 · 4CIS Solar Spine System and 4CIS Apollon Spine System · Solco Biomedical Co., Ltd. · 2005K031585 · U&I, Optima, Spinal System · U&I Corp., America · 2003 · recalledK020279 · Forex Corporation, Optima, Spinal System · Forex Corp. · 2002 · recalledK000319 · Ebi Xfix DFS System · Ebi, L.P. · 2000−50
  1. Root · 5 generations backK000319 Ebi Xfix DFS SystemEbi, L.P. · 2000
  2. 4 generations backK020279 Forex Corporation, Optima, Spinal SystemForex Corp. · 2002 · Recalled
  3. 3 generations backK031585 U&I, Optima, Spinal SystemU&I Corp., America · 2003 · Recalled
  4. 2 generations backK050471 4CIS Solar Spine System and 4CIS Apollon Spine SystemSolco Biomedical Co., Ltd. · 2005
  5. 1 generation backK082453 4CIS Solar and Apollon Spine SystemsSolco Biomedical Co., Ltd. · 2008
  6. This deviceK100373 Tyche Pedicle Screw SystemKyung Won Medical Co., Ltd. · 2010
  7. Descendant · cites it directly · 3 of its ownK120353 Synster Pedicle Screw System Synster Plus Pedicle Screw SystemBm Korea Co., Ltd. · 2012
  8. Descendant · 2 generations on · 2 of its ownK143110 GALAXY MIS Screw SystemBm Korea · 2015
  9. Descendant · 3 generations on · 1 of its ownK201788 EDEN Spinal Fixation SystemJmt Co., Ltd. · 2022
  10. Descendant · 4 generations on · 0 of its ownK230762 EDEN Spinal Fixation MIS SystemJmt Co., Ltd. · 2023

Most influential descendants

Showing 4 of 4 · See all
  • K120353Synster Pedicle Screw System Synster Plus Pedicle Screw SystemBm Korea Co., Ltd. · 2012 · cites it directly3descendants
  • K143110GALAXY MIS Screw SystemBm Korea · 2015 · 2 generations on2descendants
  • K201788EDEN Spinal Fixation SystemJmt Co., Ltd. · 2022 · 3 generations on1descendant
  • K230762EDEN Spinal Fixation MIS SystemJmt Co., Ltd. · 2023 · 4 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K000319Ebi Xfix DFS SystemEbi, L.P.2000—
−4K020279Forex Corporation, Optima, Spinal SystemForex Corp.20024
−3K031585U&I, Optima, Spinal SystemU&I Corp., America20035
−2K0504714CIS Solar Spine System and 4CIS Apollon Spine SystemSolco Biomedical Co., Ltd.2005—
−1K0824534CIS Solar and Apollon Spine SystemsSolco Biomedical Co., Ltd.2008—
0 (this device)K100373Tyche Pedicle Screw SystemKyung Won Medical Co., Ltd.2010—
+1K120353Synster Pedicle Screw System Synster Plus Pedicle Screw SystemBm Korea Co., Ltd.2012—
+2K143110GALAXY MIS Screw SystemBm Korea2015—
+3K201788EDEN Spinal Fixation SystemJmt Co., Ltd.2022—
+4K230762EDEN Spinal Fixation MIS SystemJmt Co., Ltd.2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200040
200310

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201210
201510
202210
202310
FIG. 1 — Lineage of K100373, 2000–2023Source: 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 MNH? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin the report
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What was it cleared against? (2)

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
*K024096Optima, Spinal System
Summary page 1
…ect Tyche ' Pedicle Screw System is substantially equivalent in function, design, composition, labecling,- and intended use to: OPTIMATIM Spinal System - 1(024096 4CISY SOLAR SPINE SYSTEM - K082453) The substantial equivalence of this device is based on equivalence in intended us…
U&I Corp., America20033
*K0824534CIS Solar and Apollon Spine Systems
Summary page 1
…stantially equivalent in function, design, composition, labecling,- and intended use to: OPTIMATIM Spinal System - 1(024096 4CISY SOLAR SPINE SYSTEM - K082453) The substantial equivalence of this device is based on equivalence in intended use. materials, designs and operati…
Solco Biomedical Co., Ltd.2008—

Also cleared against K024096: 29 other devices →

What descends from it? (4)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K120353Synster Pedicle Screw System Synster Plus Pedicle Screw SystemBm Korea Co., Ltd.20123

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 10 years and passes through 5 companies; a new generation was cleared every 1.9 years on median.
  • 3 of the 10 ancestors have a recall of any class.
  • Of its descendants, K120353 (Bm Korea Co., Ltd., 2012) has gone furthest, with 3 descendants of its own.
  • 29 other devices also cite its predicate K024096.

How does its category compare?

All MNH devices

MNH Orthosis, Spondylolisthesis Spinal Fixation: FDA decisions, review times, recalls and adverse event reports over 20 years. 2010, this device’s year, is highlighted.

FDA decisions per year · MNH

8in 2016

2007: 52008: 132009: 132010: 102011: 172012: 72013: 102014: 122015: 102016: 8
2007high 17 (2011) · low 0 (2017)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MNH

93in 2016

2007: 123 days median2008: 65 days median2009: 151 days median2010: 106 days median2011: 171 days median2012: 93 days median2013: 124 days median2014: 140 days median2015: 99 days median2016: 93 days median
2007high 171 (2011) · low 65 (2008)2026

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

Recalls per year · MNH

1in 2016

2009: 72012: 12013: 12016: 1
2007high 7 (2009) · low 0 (2007)2026

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

Adverse event reports per year · MNH

89in 2025

2007: 182008: 302009: 452010: 592011: 1072012: 4332013: 4642014: 2862015: 1522016: 2162017: 1742018: 1292019: 4032020: 4322021: 5312022: 2652023: 1212024: 3022025: 89
2007high 531 (2021) · low 18 (2007)2025

MAUDE reports naming product code MNH, 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
20075123018
20081365030
200913151745
201010106059
2011171710107
20127931433
2013101241464
2014121400286
201510990152
20168931216
20170—0174
20180—0129
20190—0403
20200—0432
20210—0531
20220—0265
20230—0121
20240—0302
20250—089
20260—0—

What is it indicated for?

The Tyche® Pedicle Screw System is a non-cervical, pedicle screw system indicated for the treatment of severe Spondylolisthesis (Grade 3 and 4) of the L5-S1 vertebra in skeletally mature patients receiving fusion by autogenous bone graft having implants attached to the lumbar and sacral spine (L3 to sacrum) with removal of the implants after the attainment of a solid fusion. In addition, The Tyche® Pedicle Screw System is intended to provide…

Read the full statement (124 words)

The Tyche® Pedicle Screw System is a non-cervical, pedicle screw system indicated for the treatment of severe Spondylolisthesis (Grade 3 and 4) of the L5-S1 vertebra in skeletally mature patients receiving fusion by autogenous bone graft having implants attached to the lumbar and sacral spine (L3 to sacrum) with removal of the implants after the attainment of a solid fusion.

In addition, The Tyche® Pedicle Screw System is intended to provide immobilization and stabilization of spinal segments in skeletally mature patients as an adjunct to fusion in the treatment of the following acute and chronic instabilities or deformities of the thoracic, lumbar and sacral spine: degenerative spondylolisthesis with objective evidence of neurological impairment, fracture, dislocation, scoliosis, kyphosis, spinal tumor and failed previous fusion (pseudarthrosis).

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K100373: Tyche Pedicle Screw System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K100373

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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