510(k) Report

510(k) · Cleared

Cleared

Affixus Natural Nail System Humeral Nail

K181827510(k) TraditionalCleared Dec 14, 2018158-day reviewClass II21 CFR 888.3020

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

Zimmer GmbH · HSB Rod, Fixation, Intramedullary And Accessories

Cleared on Dec 14, 2018 as substantially equivalent to K033878 (Depuy Ace, 2004) and 3 other predicates after a 158-day review. Its family tree reaches back 6 generations to 1997. 6 later devices descend from it.

Decided
Dec 14, 2018
Review
158 days
Class
Class II
Product code
HSB
Recalls
None
Predicates
4

Its longest line of descent runs back 6 generations to K970097 (1997). 18 ancestors in all, the oldest K871539 (1987). 6 later devices descend from it, 3 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2004: 2 other ancestors1997: 1 other ancestor2002: 1 other ancestor2001: 3 other ancestors1996: 1 other ancestor1995: 1 other ancestor1994: 1 other ancestor1987: 1 other ancestor1998: 1 other ancestor2025: 2 descendants cleared2020: 1 descendant cleared2023: 1 descendant cleared2024: 1 descendant cleared2026: 1 descendant clearedK970097 · Proximal Femoral Nail (PFN) System · Synthes (Usa) · 1997K973240 · Synthes Proximal Femoral Nail (PFN) System Modification · Synthes (Usa) · 1997K013563 · Long Trochanteric Nail System · DePuy Orthopaedics, Inc. · 2001 · recalledK033329 · Depuy Ace Universal and Troch Entry Femoral Nail Systems · Depuy, Inc. · 2003K101622 · Zimmer Natural Nail System Retrograde Femoral Nails · Zimmer, Inc. · 2010 · recalledK142281 · Zimmer M/DN Intramedullary Fixation System · Zimmer, Inc. · 2014 · recalled1990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 3 other ancestors2 generations back: 5 other ancestors3 generations back: 1 other ancestor4 generations back: 2 other ancestors5 generations back: 1 other ancestor 1 generation forward: 3 descendants2 generations forward: 1 descendant3 generations forward: 2 descendants K142281 · Zimmer M/DN Intramedullary Fixation System · Zimmer, Inc. · 2014 · recalledK101622 · Zimmer Natural Nail System Retrograde Femoral Nails · Zimmer, Inc. · 2010 · recalledK033329 · Depuy Ace Universal and Troch Entry Femoral Nail Systems · Depuy, Inc. · 2003K013563 · Long Trochanteric Nail System · DePuy Orthopaedics, Inc. · 2001 · recalledK973240 · Synthes Proximal Femoral Nail (PFN) System Modification · Synthes (Usa) · 1997K970097 · Proximal Femoral Nail (PFN) System · Synthes (Usa) · 1997−50
  1. Root · 6 generations backK970097 Proximal Femoral Nail (PFN) SystemSynthes (Usa) · 1997
  2. 5 generations backK973240 Synthes Proximal Femoral Nail (PFN) System ModificationSynthes (Usa) · 1997
  3. 4 generations backK013563 Long Trochanteric Nail SystemDePuy Orthopaedics, Inc. · 2001 · Recalled
  4. 3 generations backK033329 Depuy Ace Universal and Troch Entry Femoral Nail SystemsDepuy, Inc. · 2003
  5. 2 generations backK101622 Zimmer Natural Nail System Retrograde Femoral NailsZimmer, Inc. · 2010 · Recalled
  6. 1 generation backK142281 Zimmer M/DN Intramedullary Fixation SystemZimmer, Inc. · 2014 · Recalled
  7. This deviceK181827 Affixus Natural Nail System Humeral NailZimmer GmbH · 2018
  8. Descendant · cites it directly · 4 of its ownK231114 Zimmer® Natural Nail® System Cephalomedullary Nails; Affixus®…Zimmer Switzerland Manufacturing GmbH · 2023
  9. Descendant · 2 generations on · 2 of its ownK241651 Affixus Tibial and Antegrade Femoral Nailing SystemZimmer, Inc. · 2024 · Recalled
  10. Descendant · cites it directly · 1 of its ownK200814 Affixus (R) Natural Nail (R) System Humeral NailZimmer GmbH · 2020
  11. Descendant · 3 generations on · 0 of its ownK253566 Affixus Retrograde Femoral Nailing SystemZimmer, Inc. · 2026
  12. Descendant · cites it directly · 0 of its ownK253749 Affixus® Natural Nail® Proximal Humeral SystemZimmer Switzerland Manufacturing GmbH · 2025

Showing 5 of 6 descendants. See all descendants

Descendants cleared per year

2020: 12023: 12024: 12025: 22026: 1
2020high 2 (2025) · low 0 (2021)2026

Most influential descendants

Showing 5 of 6 · See all
  • K231114Zimmer® Natural Nail® System Cephalomedullary Nails; Affixus® Natural Nail® Humeral Nail…Zimmer Switzerland Manufacturing GmbH · 2023 · cites it directly4descendants
  • K241651Affixus Tibial and Antegrade Femoral Nailing SystemZimmer, Inc. · 2024 · 2 generations on2descendants
  • K200814Affixus (R) Natural Nail (R) System Humeral NailZimmer GmbH · 2020 · cites it directly1descendant
  • K253566Affixus Retrograde Femoral Nailing SystemZimmer, Inc. · 2026 · 3 generations on0descendants
  • K253749Affixus® Natural Nail® Proximal Humeral SystemZimmer Switzerland Manufacturing GmbH · 2025 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K970097Proximal Femoral Nail (PFN) SystemSynthes (Usa)1997—
−5K973240Synthes Proximal Femoral Nail (PFN) System ModificationSynthes (Usa)1997—
−4K013563Long Trochanteric Nail SystemDePuy Orthopaedics, Inc.200154
−3K033329Depuy Ace Universal and Troch Entry Femoral Nail SystemsDepuy, Inc.2003—
−2K101622Zimmer Natural Nail System Retrograde Femoral NailsZimmer, Inc.20103
−1K142281Zimmer M/DN Intramedullary Fixation SystemZimmer, Inc.20147
0 (this device)K181827Affixus Natural Nail System Humeral NailZimmer GmbH2018—
+1K231114Zimmer® Natural Nail® System Cephalomedullary Nails; Affixus® Natural Nail®…Zimmer Switzerland Manufacturing GmbH2023—
+2K241651Affixus Tibial and Antegrade Femoral Nailing SystemZimmer, Inc.202417
+1K200814Affixus (R) Natural Nail (R) System Humeral NailZimmer GmbH2020—
+3K253566Affixus Retrograde Femoral Nailing SystemZimmer, Inc.2026—
+1K253749Affixus® Natural Nail® Proximal Humeral SystemZimmer Switzerland Manufacturing GmbH2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198710
199410
199510
199610
199710
199810
200130
200210
200420

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202010
202310
202410
202520
202610
FIG. 1 — Lineage of K181827, 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 HSB? 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 HSB device

  1. #1 K200869 Gamma3 Systemscore 19.8 · 8 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? (4)

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
*K033878Ace Antegrade Retrograde Humeral Nail System
Summary page 4
…21 CFR § 888.3020 number – Intramedullary fixation rod Description: Predicate Device: Versanail® Nailing System, manufactured by Biomet Trauma Inc, K033878 (Ace® Antegrade Retrograde Humeral Nail System, primary predicate) and…
Depuy Ace2004—
*K033806Ace Proximal Humeral Nail System
Summary page 4
…ured by Biomet Trauma Inc, K033878 (Ace® Antegrade Retrograde Humeral Nail System, primary predicate) and K033806 (Ace® Proximal Humeral Nail System) both cleared in 20 February 2004 and M/DN® Intramedullary Fix…
Depuy Ace2004—
*K142281Zimmer M/DN Intramedullary Fixation System
Summary page 4
…m) both cleared in 20 February 2004 and M/DN® Intramedullary Fixation System, manufactured by Zimmer Inc, K142281 cleared 22 October 2014, K965098 cleared in 28 February 1997. Device Description: The Affixus Natural Nail System Hum…
Zimmer, Inc.20147
*K965098Intramedullary Nail System
Summary page 4
…2004 and M/DN® Intramedullary Fixation System, manufactured by Zimmer Inc, K142281 cleared 22 October 2014, K965098 cleared in 28 February 1997. Device Description: The Affixus Natural Nail System Humeral nails are temporary fixation…
Zimmer, Inc.199729

Also cleared against K033878: 3 other devices →

What descends from it? (6)

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

NumberDeviceApplicantDecidedDescendants
K231114Zimmer® Natural Nail® System Cephalomedullary Nails; Affixus® Natural Nail® Humeral Nail…Zimmer Switzerland Manufacturing GmbH20234
K200814Affixus (R) Natural Nail (R) System Humeral NailZimmer GmbH20201
K253749Affixus® Natural Nail® Proximal Humeral SystemZimmer Switzerland Manufacturing GmbH20250

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 21 years and passes through 5 companies; a new generation was cleared every 4.1 years on median.
  • 10 of the 18 ancestors have a recall of any class.
  • Of its descendants, K231114 (Zimmer Switzerland Manufacturing GmbH, 2023) has gone furthest, with 4 descendants of its own.
  • 3 other devices also cite its predicate K033878.

How does its category compare?

All HSB devices

HSB Rod, Fixation, Intramedullary And Accessories: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.

FDA decisions per year · HSB

15in 2025

2007: 82008: 112009: 182010: 142011: 162012: 172013: 182014: 192015: 222016: 82017: 232018: 172019: 132020: 172021: 102022: 122023: 112024: 132025: 152026 (partial year): 18
2007high 23 (2017) · low 8 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HSB

106in 2025

2007: 68 days median2008: 57 days median2009: 86 days median2010: 117 days median2011: 78 days median2012: 112 days median2013: 105 days median2014: 147 days median2015: 111 days median2016: 124 days median2017: 119 days median2018: 134 days median2019: 132 days median2020: 112 days median2021: 94 days median2022: 172 days median2023: 162 days median2024: 195 days median2025: 106 days median2026 (partial year): 151 days median
2007high 195 (2024) · low 57 (2008)2026

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

Recalls per year · HSB

18in 2025

2008: 92009: 812010: 182011: 22012: 72013: 142014: 32015: 32016: 62017: 662018: 562019: 62020: 62021: 22022: 12023: 12024: 12025: 182026 (partial year): 1
2007high 81 (2009) · low 0 (2007)2026

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

Adverse event reports per year · HSB

2,911in 2025

2007: 1622008: 1842009: 3342010: 4542011: 6622012: 1,0792013: 1,7732014: 1,4742015: 1,6712016: 1,9202017: 1,4472018: 3,5262019: 2,5172020: 3,2992021: 4,1112022: 2,7332023: 2,2192024: 2,8692025: 2,911
2007high 4,111 (2021) · low 162 (2007)2025

MAUDE reports naming product code HSB, 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
20078680162
200811579184
2009188681334
20101411718454
201116782662
20121711271,079
201318105141,773
20141914731,474
20152211131,671
2016812461,920
201723119661,447
201817134563,526
20191313262,517
20201711263,299
2021109424,111
20221217212,733
20231116212,219
20241319512,869
202515106182,911
2026181511—

What is it indicated for?

The AFFIXUS Natural Nail System Humeral nails are temporary fixation intramedullary nails designed for fixation and stabilization of fractures or osteotomies of the humerus. They restore the shape of preinjured bone and are available in a variety of lengths and diameters to meet assorted anatomical needs. Nail caps are available to protect the nail threads from tissue ingrowth and extend the nail length if necessary. Each of the intramedullary nails is…

Read the full statement (130 words)

The AFFIXUS Natural Nail System Humeral nails are temporary fixation intramedullary nails designed for fixation and stabilization of fractures or osteotomies of the humerus. They restore the shape of preinjured bone and are available in a variety of lengths and diameters to meet assorted anatomical needs. Nail caps are available to protect the nail threads from tissue ingrowth and extend the nail length if necessary. Each of the intramedullary nails is secured by a series of screws that pass through holes in the nail.

The AFFIXUS Humeral Nails are indicated for use in a variety of fractures, such as:

• Proximal fractures (proximal short and long nails only)

• Diaphyseal fractures (proximal long, antegrade/retrograde nails)

• Open and closed fractures

• Comminuted fractures

• Nonunions and malunions

• Pathologic fractures.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K181827: Affixus Natural Nail System Humeral Nail.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K181827

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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