510(k) · Cleared
ClearedSLT Femoral Head
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Dow Corning Wright · LZO Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous, Uncemented
Cleared on May 27, 1994 after a 385-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 9 later devices descend from it.
- Decided
- May 27, 1994
- Review
- 385 days
- Class
- Class II
- Product code
- LZO
- Recalls
- None
- Predicates
- 0
9 later devices descend from it, 2 citing it directly.
- This deviceK932222 SLT Femoral HeadDow Corning Wright · 1994
- Descendant · cites it directly · 6 of its ownK161520 ELEOS Limb Salvage SystemOnkos Surgical, Inc. · 2016 · Recalled
- Descendant · 2 generations on · 1 of its ownK203090 ELEOS Limb Salvage System featuring BIOGRIPOnkos Surgical · 2020
- Descendant · cites it directly · 1 of its ownK173898 MicroPort Orthopedics Total Hip Systems MR LabelingMicroport Orthopedics Inc. (Mpo) · 2018
- Descendant · 2 generations on · 0 of its ownK253066 ELEOS™ with NanoCept® Technology Limb Salvage SystemOnkos Surgical, Inc. · 2026
- Descendant · 2 generations on · 0 of its ownK252920 ELEOS™ Limb Salvage System with NanoCept® TechnologyOnkos Surgical, Inc. · 2025
Showing 5 of 9 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 9 · See all- K161520ELEOS Limb Salvage SystemOnkos Surgical, Inc. · 2016 · cites it directly6descendants
- K203090ELEOS Limb Salvage System featuring BIOGRIPOnkos Surgical · 2020 · 2 generations on1descendant
- K173898MicroPort Orthopedics Total Hip Systems MR LabelingMicroport Orthopedics Inc. (Mpo) · 2018 · cites it directly1descendant
- K253066ELEOS™ with NanoCept® Technology Limb Salvage SystemOnkos Surgical, Inc. · 2026 · 2 generations on0descendants
- K252920ELEOS™ Limb Salvage System with NanoCept® TechnologyOnkos Surgical, Inc. · 2025 · 2 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K932222 | SLT Femoral Head | Dow Corning Wright | 1994 | — |
| +1 | K161520 | ELEOS Limb Salvage System | Onkos Surgical, Inc. | 2016 | 11 |
| +2 | K203090 | ELEOS Limb Salvage System featuring BIOGRIP | Onkos Surgical | 2020 | — |
| +1 | K173898 | MicroPort Orthopedics Total Hip Systems MR Labeling | Microport Orthopedics Inc. (Mpo) | 2018 | — |
| +2 | K253066 | ELEOS™ with NanoCept® Technology Limb Salvage System | Onkos Surgical, Inc. | 2026 | — |
| +2 | K252920 | ELEOS™ Limb Salvage System with NanoCept® Technology | Onkos Surgical, Inc. | 2025 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2016 | 1 | 0 |
| 2018 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 3 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in LZO? 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 LZO device
- #1 K192827 Quadra-Pscore 19.3 · 10 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against?
FDA has not posted a summary or statement for it, so its predicates are not known.
What descends from it? (9)
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?
- Of its descendants, K161520 (Onkos Surgical, Inc., 2016) has gone furthest, with 6 descendants of its own.
How does its category compare?
All LZO devicesLZO Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous, Uncemented: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · LZO
14in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · LZO
119in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · LZO
1in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · LZO
3,244in 2025
MAUDE reports naming product code LZO, 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 | 9 | 87 | 2 | 138 |
| 2008 | 11 | 63 | 13 | 125 |
| 2009 | 7 | 83 | 42 | 189 |
| 2010 | 15 | 78 | 0 | 394 |
| 2011 | 13 | 87 | 10 | 544 |
| 2012 | 14 | 98 | 14 | 963 |
| 2013 | 26 | 100 | 0 | 1,370 |
| 2014 | 13 | 85 | 1 | 1,477 |
| 2015 | 12 | 115 | 1 | 1,348 |
| 2016 | 10 | 177 | 9 | 1,728 |
| 2017 | 16 | 257 | 5 | 2,165 |
| 2018 | 18 | 163 | 2 | 3,133 |
| 2019 | 28 | 109 | 4 | 3,066 |
| 2020 | 18 | 112 | 3 | 1,963 |
| 2021 | 12 | 170 | 0 | 2,199 |
| 2022 | 11 | 279 | 4 | 1,985 |
| 2023 | 10 | 122 | 2 | 2,066 |
| 2024 | 11 | 111 | 1 | 2,586 |
| 2025 | 14 | 119 | 1 | 3,244 |
| 2026 | 9 | 102 | 0 | — |
https://510kreport.com/device/K932222 · printed Nov 4, 2026
Cite this page
510(k) Report. “K932222: SLT Femoral Head.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K932222
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Record history
- FDA decision record loaded May 2, 2026
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026