510(k) Report

510(k) · Cleared

Cleared

Monster Screw System

K151418510(k) SpecialCleared Jul 15, 201548-day reviewClass II21 CFR 888.3040

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

Paragon 28 · HWC Screw, Fixation, Bone

Cleared on Jul 15, 2015 as substantially equivalent to K124027 (Apogee Orthosolutions, 2013) after a 48-day review. Its family tree reaches back 11 generations to 1996. 27 later devices descend from it.

Decided
Jul 15, 2015
Review
48 days
Class
Class II
Product code
HWC
Recalls
None
Predicates
1

Its longest line of descent runs back 11 generations to K962616 (1996). 83 ancestors in all, the oldest K792022 (1979). 27 later devices descend from it, 5 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2011: 1 other ancestor2010: 1 other ancestor2009: 2 other ancestors2006: 8 other ancestors2005: 5 other ancestors2002: 4 other ancestors2001: 7 other ancestors1999: 5 other ancestors1998: 4 other ancestors1996: 6 other ancestors1993: 2 other ancestors2008: 2 other ancestors2007: 1 other ancestor2003: 2 other ancestors2000: 7 other ancestors1995: 3 other ancestors1990: 1 other ancestor1989: 2 other ancestors1987: 1 other ancestor1979: 1 other ancestor2004: 4 other ancestors1994: 2 other ancestors1991: 1 other ancestor2015: 1 descendant cleared2019: 1 descendant cleared2022: 3 descendants cleared2017: 2 descendants cleared2021: 1 descendant cleared2020: 4 descendants cleared2018: 1 descendant cleared2023: 6 descendants cleared2024: 2 descendants cleared2025: 2 descendants cleared2026: 4 descendants clearedReference device: K973309 · Vilex Cannulated Bone Screw, Duval Cannulated Bone Screw · Vilex, Inc. · 1998Reference device: K991151 · Vilex Cannulated Bone Screw, Duval Cannulated Bone Screw, Orthex Cannulated Bone Screw · Vilex, Inc. · 1999Reference device: K991197 · Vilex/Duval/Orthex Cannulated Bone Screw, Models P222-XX, S25-XX, P227-XX, S30-XX, P235-XX, S35-XX, P240-XX, S40-XX, P24 · Vilex, Inc. · 1999Reference device: K014154 · Vilex/Duval/Orthex Cannulated Bone Screw DB1 Thread, Model F25-XX-09; Vilex Solid Bone Screws DB1 Thread,Model F20-XX-00 · Vilex, Inc. · 2002Reference device: K924018 · M3 Lag Screw Fixation System · Osteomed Corp. · 1993K962616 · Synthes Dorsal Distal Radius Plate (DDRP) System · Synthes (Usa) · 1996K982732 · Synthes (Usa) Distal Radius Plate System (DRPS) · Synthes · 1998×3: 3 generations cleared close together, K023007 (2002), K030198 (2003), K032705 (2003) ×2: 2 generations cleared close together, K050932 (2005), K051735 (2005) K071563 · Peri-Loc Periarticular Locked Plating System · Smith & Nephew, Inc. · 2007K090675 · Smith & Nephew, Inc. VLP Foot Plating, Screw System and Accessories · Smith & Nephew, Inc. · 2009K111994 · Smith & Nephew Cannulated Screws and Washers · Smith & Nephew, Inc. · 2011K124027 · Monster Screw System · Apogee Orthosolutions · 201319801990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 16 other ancestors3 generations back: 17 other ancestors4 generations back: 15 other ancestors5 generations back: 11 other ancestors6 generations back: 6 other ancestors7 generations back: 2 other ancestors8 generations back: 3 other ancestors9 generations back: 1 other ancestor10 generations back: 1 other ancestor 1 generation forward: 5 descendants2 generations forward: 7 descendants3 generations forward: 9 descendants4 generations forward: 5 descendants5 generations forward: 1 descendant K124027 · Monster Screw System · Apogee Orthosolutions · 2013K111994 · Smith & Nephew Cannulated Screws and Washers · Smith & Nephew, Inc. · 2011K090675 · Smith & Nephew, Inc. VLP Foot Plating, Screw System and Accessories · Smith & Nephew, Inc. · 2009K071563 · Peri-Loc Periarticular Locked Plating System · Smith & Nephew, Inc. · 2007K051735 · Peri-Loc Locking Bone Plates and Locking Bone Screws for the Upper Extremity · Smith & Nephew, Inc. · 2005K050932 · Distal Volar Radius Anatomical Plate System · Hand Innovations, Inc. · 2005 · recalledK032705 · Distal Radius Fracture Repair System · Hand Innovations, Inc. · 2003K030198 · Hand Innovations, Inc. Distal Radius Fracture Repair System · Hand Innovations, Inc. · 2003K023007 · Distal Radius Fracture Repair System · Hand Innovations, Inc. · 2002K982732 · Synthes (Usa) Distal Radius Plate System (DRPS) · Synthes · 1998K962616 · Synthes Dorsal Distal Radius Plate (DDRP) System · Synthes (Usa) · 1996−10−50+5
  1. Root · 11 generations backK962616 Synthes Dorsal Distal Radius Plate (DDRP) SystemSynthes (Usa) · 1996
  2. 7 generations between
  3. 3 generations backK090675 Smith & Nephew, Inc. VLP Foot Plating, Screw System and AccessoriesSmith & Nephew, Inc. · 2009
  4. 2 generations backK111994 Smith & Nephew Cannulated Screws and WashersSmith & Nephew, Inc. · 2011
  5. 1 generation backK124027 Monster Screw SystemApogee Orthosolutions · 2013
  6. This deviceK151418 Monster Screw SystemParagon 28 · 2015
  7. Descendant · cites it directly · 24 of its ownK171018 Axis Charcot Fixation System, 4.5 to 8.5mm Screw SystemExtremity Medical, LLC · 2017
  8. Descendant · cites it directly · 22 of its ownK153378 Monster BITE Screw SystemParagon 28 · 2015
  9. Descendant · cites it directly · 21 of its ownK190586 Monster® Screw SystemParagon 28, Inc. · 2019
  10. Descendant · 2 generations on · 9 of its ownK200398 AxSOS 3 AF System and AxSOS 3 Ti SystemStryker GmbH · 2020
  11. Descendant · 3 generations on · 8 of its ownK222381 PeriPRO™ Femur System, Variable Angle Fixation System, AxSOS 3Ti…Stryker GmbH · 2023
Show all 11 generations
  1. Root · 11 generations backK962616 Synthes Dorsal Distal Radius Plate (DDRP) SystemSynthes (Usa) · 1996
  2. 10 generations backK982732 Synthes (Usa) Distal Radius Plate System (DRPS)Synthes · 1998
  3. 9 generations backK023007 Distal Radius Fracture Repair SystemHand Innovations, Inc. · 2002
  4. 8 generations backK030198 Hand Innovations, Inc. Distal Radius Fracture Repair SystemHand Innovations, Inc. · 2003
  5. 7 generations backK032705 Distal Radius Fracture Repair SystemHand Innovations, Inc. · 2003
  6. 6 generations backK050932 Distal Volar Radius Anatomical Plate SystemHand Innovations, Inc. · 2005 · Recalled
  7. 5 generations backK051735 Peri-Loc Locking Bone Plates and Locking Bone Screws for the Upper…Smith & Nephew, Inc. · 2005
  8. 4 generations backK071563 Peri-Loc Periarticular Locked Plating SystemSmith & Nephew, Inc. · 2007
  9. 3 generations backK090675 Smith & Nephew, Inc. VLP Foot Plating, Screw System and AccessoriesSmith & Nephew, Inc. · 2009
  10. 2 generations backK111994 Smith & Nephew Cannulated Screws and WashersSmith & Nephew, Inc. · 2011
  11. 1 generation backK124027 Monster Screw SystemApogee Orthosolutions · 2013
  12. This deviceK151418 Monster Screw SystemParagon 28 · 2015

Showing 5 of 27 descendants. See all descendants

Descendants cleared per year

2015: 12017: 22018: 12019: 12020: 42021: 12022: 32023: 62024: 22025: 22026: 4
2015high 6 (2023) · low 0 (2016)2026

Most influential descendants

Showing 5 of 27 · See all
  • K171018Axis Charcot Fixation System, 4.5 to 8.5mm Screw SystemExtremity Medical, LLC · 2017 · cites it directly24descendants
  • K153378Monster BITE Screw SystemParagon 28 · 2015 · cites it directly22descendants
  • K190586Monster® Screw SystemParagon 28, Inc. · 2019 · cites it directly21descendants
  • K200398AxSOS 3 AF System and AxSOS 3 Ti SystemStryker GmbH · 2020 · 2 generations on9descendants
  • K222381PeriPRO™ Femur System, Variable Angle Fixation System, AxSOS 3Ti, Stryker Plating SystemStryker GmbH · 2023 · 3 generations on8descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−11K962616Synthes Dorsal Distal Radius Plate (DDRP) SystemSynthes (Usa)1996—
−10K982732Synthes (Usa) Distal Radius Plate System (DRPS)Synthes1998—
−9K023007Distal Radius Fracture Repair SystemHand Innovations, Inc.2002—
−8K030198Hand Innovations, Inc. Distal Radius Fracture Repair SystemHand Innovations, Inc.2003—
−7K032705Distal Radius Fracture Repair SystemHand Innovations, Inc.2003—
−6K050932Distal Volar Radius Anatomical Plate SystemHand Innovations, Inc.20051
−5K051735Peri-Loc Locking Bone Plates and Locking Bone Screws for the Upper ExtremitySmith & Nephew, Inc.2005—
−4K071563Peri-Loc Periarticular Locked Plating SystemSmith & Nephew, Inc.2007—
−3K090675Smith & Nephew, Inc. VLP Foot Plating, Screw System and AccessoriesSmith & Nephew, Inc.2009—
−2K111994Smith & Nephew Cannulated Screws and WashersSmith & Nephew, Inc.2011—
−1K124027Monster Screw SystemApogee Orthosolutions2013—
0 (this device)K151418Monster Screw SystemParagon 282015—
+1K171018Axis Charcot Fixation System, 4.5 to 8.5mm Screw SystemExtremity Medical, LLC2017—
+1K153378Monster BITE Screw SystemParagon 282015—
+1K190586Monster® Screw SystemParagon 28, Inc.2019—
+2K200398AxSOS 3 AF System and AxSOS 3 Ti SystemStryker GmbH2020—
+3K222381PeriPRO™ Femur System, Variable Angle Fixation System, AxSOS 3Ti, Stryker…Stryker GmbH2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197910
198710
198920
199010
199110
199320
199420
199530
199660
199840
199950
200070
200170
200240
200320
200440
200550
200680
200710
200820
200920
201010
201110

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201510
201720
201810
201910
202040
202110
202230
202360
202420
202520
202640
FIG. 1 — Lineage of K151418, 1996–2026Source: 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 HWC? 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 HWC device

  1. #1 K203011 Monster Screw Systemscore 22.2 · 14 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? (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
*K124027Monster Screw System
Summary page 4
…grade titanium alloy (per ASTM F136) and stainless steel alloy (per ASTM F2229). Predicate Devices: Primary: Paragon 28 (K124027) Reference: Vilex Inc (K973309, K991151, K991197 and K014154)…
Apogee Orthosolutions2013—
†K973309Vilex Cannulated Bone Screw, Duval Cannulated Bone ScrewVilex, Inc.1998—
†K991151Vilex Cannulated Bone Screw, Duval Cannulated Bone Screw, Orthex Cannulated Bone ScrewVilex, Inc.1999—
†K991197Vilex/Duval/Orthex Cannulated Bone Screw, Models P222-XX, S25-XX, P227-XX, S30-XX…Vilex, Inc.1999—
†K014154Vilex/Duval/Orthex Cannulated Bone Screw DB1 Thread, Model F25-XX-09; Vilex Solid Bone…Vilex, Inc.2002—
†K924018M3 Lag Screw Fixation SystemOsteomed Corp.1993—

Also cleared against K124027: 5 other devices →

What descends from it? (27)

See all 27

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

NumberDeviceApplicantDecidedDescendants
K171018Axis Charcot Fixation System, 4.5 to 8.5mm Screw SystemExtremity Medical, LLC201724
K153378Monster BITE Screw SystemParagon 28201522
K190586Monster® Screw SystemParagon 28, Inc.201921
K221342REDEMPTION Beaming SystemVilex, LLC20220
K172213MECRON Cannulated Screw SystemMerete GmbH20170

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 19 years and passes through 6 companies; a new generation was cleared every 1.8 years on median.
  • 20 of the 83 ancestors have a recall of any class.
  • Of its descendants, K171018 (Extremity Medical, LLC, 2017) has gone furthest, with 24 descendants of its own.
  • 5 other devices also cite its predicate K124027.

How does its category compare?

All HWC devices

HWC Screw, Fixation, Bone: FDA decisions, review times, recalls and adverse event reports over 20 years. 2015, this device’s year, is highlighted.

FDA decisions per year · HWC

15in 2025

2007: 352008: 332009: 272010: 232011: 352012: 202013: 252014: 312015: 412016: 262017: 402018: 202019: 302020: 282021: 262022: 262023: 242024: 172025: 152026 (partial year): 21
2007high 41 (2015) · low 15 (2025)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HWC

111in 2025

2007: 77 days median2008: 76 days median2009: 113 days median2010: 110 days median2011: 88 days median2012: 99 days median2013: 90 days median2014: 88 days median2015: 85 days median2016: 131 days median2017: 127 days median2018: 106 days median2019: 108 days median2020: 75 days median2021: 84 days median2022: 167 days median2023: 104 days median2024: 90 days median2025: 111 days median2026 (partial year): 125 days median
2007high 167 (2022) · low 75 (2020)2026

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

Recalls per year · HWC

1in 2025

2007: 252008: 332009: 292010: 72011: 122012: 302013: 142014: 22015: 52016: 42017: 42018: 12019: 52020: 42021: 22022: 132025: 12026 (partial year): 2
2007high 33 (2008) · low 0 (2023)2026

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

Adverse event reports per year · HWC

2,893in 2025

2007: 6692008: 6602009: 6512010: 7652011: 1,1042012: 3,3392013: 3,8502014: 2,5492015: 2,7112016: 2,2852017: 2,5612018: 3,6622019: 5,4632020: 4,8202021: 4,4462022: 3,9342023: 3,7182024: 3,5752025: 2,893
2007high 5,463 (2019) · low 651 (2009)2025

MAUDE reports naming product code HWC, 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
2007357725669
2008337633660
20092711329651
2010231107765
20113588121,104
20122099303,339
20132590143,850
2014318822,549
2015418552,711
20162613142,285
20174012742,561
20182010613,662
20193010855,463
2020287544,820
2021268424,446
202226167133,934
20232410403,718
2024179003,575
20251511112,893
2026211252—

What is it indicated for?

The Monster Screw System™ is indicated for use in bone reconstruction, osteotomy, arthrodesis, joint fusion, ligament fixation,

fracture repair and fracture fixation, appropriate for the size of the device

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K151418: Monster 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/K151418

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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