510(k) · Cleared
ClearedAos Solid Locking Lag Screw, Aos Telescoping Lag Screw
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Advanced Orthopaedic Solutions, Inc. · HSB Rod, Fixation, Intramedullary And Accessories
Cleared on Oct 2, 2012 as substantially equivalent to K021008 (Advanced Orthopaedic Solutions, Inc., 2002) and 2 other predicates after a 258-day review. Its family tree reaches back 5 generations to 1997. 6 later devices descend from it.
- Decided
- Oct 2, 2012
- Review
- 258 days
- Class
- Class II
- Product code
- HSB
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 5 generations to K970097 (1997). 16 ancestors in all, the oldest K871539 (1987). 6 later devices descend from it, 2 citing it directly.
- Root · 5 generations backK970097 Proximal Femoral Nail (PFN) SystemSynthes (Usa) · 1997
- 4 generations backK973240 Synthes Proximal Femoral Nail (PFN) System ModificationSynthes (Usa) · 1997
- 3 generations backK013563 Long Trochanteric Nail SystemDePuy Orthopaedics, Inc. · 2001 · Recalled
- 2 generations backK021008 Advanced Orthopaedic Solutions Trochanteric NailAdvanced Orthopaedic Solutions, Inc. · 2002 · Recalled
- 1 generation backK103533 ES Trochanteric Nail, Left and Right, 10MMAdvanced Orthopaedic Solutions, Inc. · 2011
- This deviceK120148 Aos Solid Locking Lag Screw, Aos Telescoping Lag ScrewAdvanced Orthopaedic Solutions, Inc. · 2012
- Descendant · cites it directly · 4 of its ownK202099 AOS Galileo™ Trochanteric Nail SystemAdvanced Orthopaedic Solutions, Inc. · 2020
- Descendant · cites it directly · 2 of its ownK133081 Trochanteric Nails and ES Trochanteric Nails, Humeral Naisl, Tibial…Advanced Orthopaedic Solutions, Inc. · 2013
- Descendant · 2 generations on · 1 of its ownK230257 Arthrex Intramedullary NailsArthrex, Inc. · 2023
- Descendant · 2 generations on · 0 of its ownK252025 Active Intramedullary (AIM) Tibial Nail SystemSatori Orthopaedics, Inc. · 2026
- Descendant · 2 generations on · 0 of its ownK252826 ARIX Femur Nail SystemJeil Medical Corporation · 2025
Showing 5 of 6 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 6 · See all- K202099AOS Galileo™ Trochanteric Nail SystemAdvanced Orthopaedic Solutions, Inc. · 2020 · cites it directly4descendants
- K133081Trochanteric Nails and ES Trochanteric Nails, Humeral Naisl, Tibial Nails, Antegrade…Advanced Orthopaedic Solutions, Inc. · 2013 · cites it directly2descendants
- K230257Arthrex Intramedullary NailsArthrex, Inc. · 2023 · 2 generations on1descendant
- K252025Active Intramedullary (AIM) Tibial Nail SystemSatori Orthopaedics, Inc. · 2026 · 2 generations on0descendants
- K252826ARIX Femur Nail SystemJeil Medical Corporation · 2025 · 2 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −5 | K970097 | Proximal Femoral Nail (PFN) System | Synthes (Usa) | 1997 | — |
| −4 | K973240 | Synthes Proximal Femoral Nail (PFN) System Modification | Synthes (Usa) | 1997 | — |
| −3 | K013563 | Long Trochanteric Nail System | DePuy Orthopaedics, Inc. | 2001 | 54 |
| −2 | K021008 | Advanced Orthopaedic Solutions Trochanteric Nail | Advanced Orthopaedic Solutions, Inc. | 2002 | 12 |
| −1 | K103533 | ES Trochanteric Nail, Left and Right, 10MM | Advanced Orthopaedic Solutions, Inc. | 2011 | — |
| 0 (this device) | K120148 | Aos Solid Locking Lag Screw, Aos Telescoping Lag Screw | Advanced Orthopaedic Solutions, Inc. | 2012 | — |
| +1 | K202099 | AOS Galileo™ Trochanteric Nail System | Advanced Orthopaedic Solutions, Inc. | 2020 | — |
| +1 | K133081 | Trochanteric Nails and ES Trochanteric Nails, Humeral Naisl, Tibial Nails… | Advanced Orthopaedic Solutions, Inc. | 2013 | — |
| +2 | K230257 | Arthrex Intramedullary Nails | Arthrex, Inc. | 2023 | — |
| +2 | K252025 | Active Intramedullary (AIM) Tibial Nail System | Satori Orthopaedics, Inc. | 2026 | — |
| +2 | K252826 | ARIX Femur Nail System | Jeil Medical Corporation | 2025 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1987 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1995 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2001 | 3 | 0 |
| 2005 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2013 | 1 | 0 |
| 2020 | 1 | 0 |
| 2023 | 1 | 0 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
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 K200869 Gamma3 Systemscore 19.8 · 8 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K021008 | Advanced Orthopaedic Solutions Trochanteric NailSummary page 1…Intramedullary and Accessories DEVICE CODE: HSB SUBSTANTIALLY EQUIVALENT DEVICE: AOS Trochanteric Nail System (510(k): K021008, Cleared June 20, 2002 and K103533, Cleared Jan. 19, 2011); and… | 2002 |
| * | K103533 | ES Trochanteric Nail, Left and Right, 10MMSummary page 1…HSB SUBSTANTIALLY EQUIVALENT DEVICE: AOS Trochanteric Nail System (510(k): K021008, Cleared June 20, 2002 and K103533, Cleared Jan. 19, 2011); and EBI®Trochanteric Nail System (51 0(k): K… | 2011 |
| * | K050118 | Ebi Trochanteric Nail SystemSummary page 1…Cleared June 20, 2002 and K103533, Cleared Jan. 19, 2011); and EBI®Trochanteric Nail System (51 0(k): K050118, Cleared Feb. 16, 2005) DEVICE DESCRIPTION: The AOS Solid Locking and Telescoping Lag Sc… | 2005 |
What descends from it? (6)
2 later devices cite it directly; ranked here by how many devices descend from each in turn.
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 15 years and passes through 3 companies; a new generation was cleared every 1.7 years on median.
- 6 of the 16 ancestors have a recall of any class.
- Of its descendants, K202099 (Advanced Orthopaedic Solutions, Inc., 2020) has gone furthest, with 4 descendants of its own.
- 6 other devices also cite its predicate K021008.
How does its category compare?
All HSB devicesHSB Rod, Fixation, Intramedullary And Accessories: FDA decisions, review times, recalls and adverse event reports over 20 years. 2012, this device’s year, is highlighted.
FDA decisions per year · HSB
15in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · HSB
106in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · HSB
18in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · HSB
2,911in 2025
MAUDE reports naming product code HSB, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 8 | 68 | 0 | 162 |
| 2008 | 11 | 57 | 9 | 184 |
| 2009 | 18 | 86 | 81 | 334 |
| 2010 | 14 | 117 | 18 | 454 |
| 2011 | 16 | 78 | 2 | 662 |
| 2012 | 17 | 112 | 7 | 1,079 |
| 2013 | 18 | 105 | 14 | 1,773 |
| 2014 | 19 | 147 | 3 | 1,474 |
| 2015 | 22 | 111 | 3 | 1,671 |
| 2016 | 8 | 124 | 6 | 1,920 |
| 2017 | 23 | 119 | 66 | 1,447 |
| 2018 | 17 | 134 | 56 | 3,526 |
| 2019 | 13 | 132 | 6 | 2,517 |
| 2020 | 17 | 112 | 6 | 3,299 |
| 2021 | 10 | 94 | 2 | 4,111 |
| 2022 | 12 | 172 | 1 | 2,733 |
| 2023 | 11 | 162 | 1 | 2,219 |
| 2024 | 13 | 195 | 1 | 2,869 |
| 2025 | 15 | 106 | 18 | 2,911 |
| 2026 | 18 | 151 | 1 | — |
What is it indicated for?
The AOS Trochanteric Nail is intended to treat stable and unstable proximal fractures of the femur including pertrochanteric, intertrochanteric and high subtrochanteric fractures and combinations of these fractures. The long trochanteric nail is additionally indicated for subtrochanteric fractures, pertrochanteric fractures associated with shaft fractures, pathologic fractures (including prophylactic use) in osteoporotic bone of the trochanteric and diaphyseal areas, long subtrochanteric fracture, ipsilateral femoral fractures, proximal and distal non-unions and malunions and revisions procedures.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K120148 · printed Nov 5, 2026
Cite this page
510(k) Report. “K120148: Aos Solid Locking Lag Screw, Aos Telescoping Lag Screw.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K120148
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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