510(k) · Cleared
Recalled · 2003Ascendent Acetabular System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Sulzer Orthopedics, Inc. · LZO Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous, Uncemented
Cleared on Dec 5, 2002 after an 87-day review. The FDA summary names its predicate without a number. 1 later device descends from it. It has been recalled once.
- Decided
- Dec 5, 2002
- Review
- 87 days
- Class
- Class II
- Product code
- LZO
- Recalls
- 1
- Predicates
- 0
1 later device descends from it, 1 citing it directly.
- This deviceK022985 Ascendent Acetabular SystemSulzer Orthopedics, Inc. · 2002
- Descendant · cites it directly · 0 of its ownK032348 Converge Reti-Lock Multi-Hole Reinforcement CupCenterpulse Orthopedics, Inc. · 2003
Most influential descendants
Showing 1 of 1 · See all- K032348Converge Reti-Lock Multi-Hole Reinforcement CupCenterpulse Orthopedics, Inc. · 2003 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K022985 | Ascendent Acetabular System | Sulzer Orthopedics, Inc. | 2002 | — |
| +1 | K032348 | Converge Reti-Lock Multi-Hole Reinforcement Cup | Centerpulse Orthopedics, Inc. | 2003 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2003 | 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 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? (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 |
|---|---|---|---|
| * | — | Sulzer Orthopedics Inter-Op Acetabular System Named without a submission number | |
| * | — | Sulzer Orthopedics Converge Acetabular System Named without a submission number | |
| * | — | Stryker Osteonics Howmedica System 12 Acetabular System Named without a submission number |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K032348 | Converge Reti-Lock Multi-Hole Reinforcement Cup | 2003 | 0 |
Has anything in its family been recalled? (0 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Sep 30, 2003 | Not classified | Z-0809-04 | Other | Compalints of acetabular shell disassociating with the bone. |
No ancestor or descendant has a Class I recall.
What does this lineage say?
- Of its descendants, K032348 (Centerpulse Orthopedics, Inc., 2003) has gone furthest, with 0 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 | — |
What is it indicated for?
Components of the Ascendant Acetabular System are intended for use in total hip arthroplasty for treatment of the following:
1. Patient conditions of noninflammatory degenerative joint disease (NIDJD), e.g., avascular necrosis, osteoarthritis, and inflammatory joint disease (IJD), e.g., rheumatoid arthritis.
2. Those patients with failed previous surgery where pain, deformity, or dysfunction persists.
3. Revision of previously failed hip arthroplasty.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K022985 · printed Nov 6, 2026
Cite this page
510(k) Report. “K022985: Ascendent Acetabular System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K022985
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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