510(k) · Cleared
Recalled · 2005Modified Omega Compression Hip Screw System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Howmedica Corp. · KTT Appliance, Fixation, Nail/Blade/Plate Combination, Multiple Component
Cleared on Jun 26, 1987 after a 17-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 16 later devices descend from it. It has been recalled once.
- Decided
- Jun 26, 1987
- Review
- 17 days
- Class
- Class II
- Product code
- KTT
- Recalls
- 1
- Predicates
- 0
16 later devices descend from it, 3 citing it directly.
- This deviceK872223 Modified Omega Compression Hip Screw SystemHowmedica Corp. · 1987
- Descendant · cites it directly · 15 of its ownK955306 Omega+ Compression Screw SystemHowmedica Corp. · 1996 · Recalled
- Descendant · 2 generations on · 8 of its ownK970258 Fixano D.S.S. (Double Sliding Screws) System for Osteosynthsis of…Ferguson Medical · 1997
- Descendant · 3 generations on · 7 of its ownK022139 Hip Tool ImplantOrthopedic Sciences, Inc. · 2002
- Descendant · cites it directly · 3 of its ownK984331 Odi Ultimate Compression Hip ScrewOrthopedic Designs, Inc. · 1999
- Descendant · 2 generations on · 2 of its ownK033286 Odi Talon Long Proximal Femoral Nail SystemOrthopedic Designs, Inc. (Odi) · 2004
Showing 5 of 16 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 16 · See all- K955306Omega+ Compression Screw SystemHowmedica Corp. · 1996 · cites it directly15descendants
- K970258Fixano D.S.S. (Double Sliding Screws) System for Osteosynthsis of Unstable Femoral Neck…Ferguson Medical · 1997 · 2 generations on8descendants
- K022139Hip Tool ImplantOrthopedic Sciences, Inc. · 2002 · 3 generations on7descendants
- K984331Odi Ultimate Compression Hip ScrewOrthopedic Designs, Inc. · 1999 · cites it directly3descendants
- K033286Odi Talon Long Proximal Femoral Nail SystemOrthopedic Designs, Inc. (Odi) · 2004 · 2 generations on2descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K872223 | Modified Omega Compression Hip Screw System | Howmedica Corp. | 1987 | — |
| +1 | K955306 | Omega+ Compression Screw System | Howmedica Corp. | 1996 | 1 |
| +2 | K970258 | Fixano D.S.S. (Double Sliding Screws) System for Osteosynthsis of Unstable… | Ferguson Medical | 1997 | — |
| +3 | K022139 | Hip Tool Implant | Orthopedic Sciences, Inc. | 2002 | — |
| +1 | K984331 | Odi Ultimate Compression Hip Screw | Orthopedic Designs, Inc. | 1999 | — |
| +2 | K033286 | Odi Talon Long Proximal Femoral Nail System | Orthopedic Designs, Inc. (Odi) | 2004 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1999 | 1 | 0 |
| 2002 | 1 | 0 |
| 2004 | 2 | 0 |
| 2005 | 3 | 0 |
| 2006 | 1 | 0 |
| 2007 | 2 | 0 |
| 2011 | 1 | 0 |
| 2023 | 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 KTT? 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 KTT device
- #1 K242861 TrueLok Elevatescore 21.4 · 14 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? (16)
See all 163 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)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Jan 25, 2005 | Not classified | Z-1865-2008 | Process control | Stryker Orthopaedics became aware that the packaging labeled as catalog number 3362-0-040; lot code E00985, 140 x 4 slot may contain a 5 hole slot. |
No ancestor or descendant has a Class I recall.
What does this lineage say?
- Of its descendants, K955306 (Howmedica Corp., 1996) has gone furthest, with 15 descendants of its own.
How does its category compare?
All KTT devicesKTT Appliance, Fixation, Nail/Blade/Plate Combination, Multiple Component: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · KTT
10in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · KTT
88in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KTT
2in 2021
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KTT
673in 2025
MAUDE reports naming product code KTT, 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 | 55 | 2 | 45 |
| 2008 | 11 | 73 | 1 | 66 |
| 2009 | 11 | 94 | 2 | 45 |
| 2010 | 12 | 148 | 1 | 121 |
| 2011 | 10 | 157 | 0 | 196 |
| 2012 | 9 | 140 | 4 | 527 |
| 2013 | 7 | 87 | 7 | 898 |
| 2014 | 14 | 129 | 0 | 445 |
| 2015 | 12 | 60 | 0 | 401 |
| 2016 | 10 | 142 | 0 | 400 |
| 2017 | 11 | 184 | 1 | 485 |
| 2018 | 6 | 149 | 14 | 597 |
| 2019 | 8 | 110 | 3 | 800 |
| 2020 | 9 | 200 | 0 | 942 |
| 2021 | 10 | 83 | 2 | 961 |
| 2022 | 3 | 25 | 0 | 627 |
| 2023 | 7 | 29 | 0 | 554 |
| 2024 | 5 | 90 | 0 | 523 |
| 2025 | 10 | 88 | 0 | 673 |
| 2026 | 5 | 68 | 11 | — |
https://510kreport.com/device/K872223 · printed Nov 4, 2026
Cite this page
510(k) Report. “K872223: Modified Omega Compression Hip Screw System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K872223
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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