510(k) · Cleared
ClearedExp Acetabular Liner, Models SC3342 Non-Hooded 28MM, SC3343 Hooded 28MM
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Stelkast Company · OQG Hip Prosthesis, Semi-Constrained, Cemented, Metal/Polymer, + Additive, Porous, Uncemented
Cleared on Mar 24, 2011 as substantially equivalent to K935484 (Stelkast Company, 1994) and 3 other predicates after a 449-day review. Its family tree reaches back 3 generations to 1981. 79 later devices descend from it.
- Decided
- Mar 24, 2011
- Review
- 449 days
- Class
- Class II
- Product code
- OQG
- Recalls
- None
- Predicates
- 4
Its longest line of descent runs back 3 generations to K810258 (1981). 8 ancestors in all. 79 later devices descend from it, 10 citing it directly.
- Root · 3 generations backK810258 Proximal Fermoral Hip ReplacementBiomet, Inc. · 1981
- 2 generations backK974558 Salvage/Onocology Hip and Total Femur SystemBiomet, Inc. · 1998
- 1 generation backK032396 Ringloc 36MM Line and Modular Femoral HeadsBiomet, Inc. · 2003 · Recalled
- This deviceK094035 Exp Acetabular Liner, Models SC3342 Non-Hooded 28MM, SC3343 Hooded…Stelkast Company · 2011
- Descendant · cites it directly · 53 of its ownK112802 Pipeline Total Hip SystemPipeline Orthopedics · 2012
- Descendant · 2 generations on · 21 of its ownK122158 PBP Total Hip SystemPipeline Biomedical Products, LLC · 2012
- Descendant · 3 generations on · 20 of its ownK131237 Pipeline Total Hip SystemPipeline Orthopedics · 2013
- Descendant · 4 generations on · 19 of its ownK161184 iNSitu Total Hip SystemTheken Companies, LLC · 2016
- Descendant · 2 generations on · 17 of its ownK162719 iTotal® Hip Replacement SystemConformis, Inc. · 2017 · Recalled
Showing 5 of 79 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 79 · See all- K112802Pipeline Total Hip SystemPipeline Orthopedics · 2012 · cites it directly53descendants
- K122158PBP Total Hip SystemPipeline Biomedical Products, LLC · 2012 · 2 generations on21descendants
- K131237Pipeline Total Hip SystemPipeline Orthopedics · 2013 · 3 generations on20descendants
- K161184iNSitu Total Hip SystemTheken Companies, LLC · 2016 · 4 generations on19descendants
- K162719iTotal® Hip Replacement SystemConformis, Inc. · 2017 · 2 generations on17descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K810258 | Proximal Fermoral Hip Replacement | Biomet, Inc. | 1981 | — |
| −2 | K974558 | Salvage/Onocology Hip and Total Femur System | Biomet, Inc. | 1998 | — |
| −1 | K032396 | Ringloc 36MM Line and Modular Femoral Heads | Biomet, Inc. | 2003 | 3 |
| 0 (this device) | K094035 | Exp Acetabular Liner, Models SC3342 Non-Hooded 28MM, SC3343 Hooded 28MM | Stelkast Company | 2011 | — |
| +1 | K112802 | Pipeline Total Hip System | Pipeline Orthopedics | 2012 | — |
| +2 | K122158 | PBP Total Hip System | Pipeline Biomedical Products, LLC | 2012 | — |
| +3 | K131237 | Pipeline Total Hip System | Pipeline Orthopedics | 2013 | — |
| +4 | K161184 | iNSitu Total Hip System | Theken Companies, LLC | 2016 | — |
| +2 | K162719 | iTotal® Hip Replacement System | Conformis, Inc. | 2017 | 4 |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1997 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2012 | 4 | 0 |
| 2013 | 6 | 0 |
| 2014 | 3 | 0 |
| 2015 | 2 | 0 |
| 2016 | 3 | 0 |
| 2017 | 5 | 0 |
| 2018 | 3 | 0 |
| 2019 | 7 | 0 |
| 2020 | 3 | 0 |
| 2021 | 6 | 0 |
| 2022 | 10 | 0 |
| 2023 | 10 | 0 |
| 2024 | 5 | 0 |
| 2025 | 5 | 0 |
| 2026 | 7 | 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 OQG? 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 OQG device
- #1 K200328 Tesera Trabecular Technologies (T3) Acetabular…score 4.7 · 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? (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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K935484 | Provident Hip SystemSummary page 2…5 10(k) demonstrates the substantial equivalence of the EXp Acetabular Liner to the following predicate devices: Acetabular Liners in the Stelkast Provident Hip System (K935484) and the Stelkast ProForm Hip System (K950827); Biomet RingLoc Acetabular Component with ArCom Polyethylene (K032396 and K970501)… | 1994 |
| * | K950827 | Proform Porous Acetabular AssemblySummary page 2…nce of the EXp Acetabular Liner to the following predicate devices: Acetabular Liners in the Stelkast Provident Hip System (K935484) and the Stelkast ProForm Hip System (K950827); Biomet RingLoc Acetabular Component with ArCom Polyethylene (K032396 and K970501). Previously cleared polyethylene acetabular l… | 1995 |
| * | K032396 | Ringloc 36MM Line and Modular Femoral HeadsSummary page 2…tabular Liners in the Stelkast Provident Hip System (K935484) and the Stelkast ProForm Hip System (K950827); Biomet RingLoc Acetabular Component with ArCom Polyethylene (K032396 and K970501). Previously cleared polyethylene acetabular liners to which Vitamin F has been added include the Biomet E-Poly (Vita… | 2003 |
| * | K970501 | Pegged Acetabular ComponentSummary page 2…rs in the Stelkast Provident Hip System (K935484) and the Stelkast ProForm Hip System (K950827); Biomet RingLoc Acetabular Component with ArCom Polyethylene (K032396 and K970501). Previously cleared polyethylene acetabular liners to which Vitamin F has been added include the Biomet E-Poly (Vitamin E) Aceta… | 1997 |
| † | K050327 | E-Poly (Vitamin E) Acetabular Liners | 2005 |
What descends from it? (79)
See all 7910 later devices cite it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K112802 | Pipeline Total Hip System | 2012 | 53 |
| K141972 | Klassic HD Acetabular Insert with E-Link Poly | 2014 | 14 |
| K112897 | Renovis Surgical Hip Joint Replacement Prosthesis | 2012 | 8 |
| K122773 | Cross-Over Acetabular Shell & Liner | 2012 | 6 |
| K122883 | Exp Tibial Inserts and Patellar Components for the Proven Gen-Flex Total Knee System | 2013 | 4 |
| K190535 | BiMobile Dual Mobility System - E-Dur Inserts | 2019 | 3 |
| K190276 | Provident II Hip Stem | 2019 | 2 |
| K243456 | ONVOY™ Acetabular System | 2025 | 0 |
| K130652 | Vitalite E Cross-Linked Polyethylene Acetabular Insert | 2013 | 0 |
| K122783 | Plasmafit Acetabular Cup and Vitelene Insert | 2013 | 0 |
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 30 years and passes through 2 companies; a new generation was cleared every 7.6 years on median.
- 2 of the 8 ancestors have a recall of any class.
- Of its descendants, K112802 (Pipeline Orthopedics, 2012) has gone furthest, with 53 descendants of its own.
- 4 other devices also cite its predicate K935484.
How does its category compare?
All OQG devicesOQG Hip Prosthesis, Semi-Constrained, Cemented, Metal/Polymer, + Additive, Porous, Uncemented: FDA decisions, review times, recalls and adverse event reports over 20 years. 2011, this device’s year, is highlighted.
FDA decisions per year · OQG
2in 2021
2026 to Oct 25, outlined.
Median 510(k) review, days · OQG
99in 2017
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · OQG
1in 2013
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · OQG
16in 2025
MAUDE reports naming product code OQG, 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 | 0 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 1 | — | 0 | 0 |
| 2012 | 5 | 144 | 0 | 0 |
| 2013 | 3 | 280 | 1 | 5 |
| 2014 | 3 | 99 | 0 | 31 |
| 2015 | 1 | — | 0 | 52 |
| 2016 | 0 | — | 0 | 45 |
| 2017 | 3 | 99 | 0 | 27 |
| 2018 | 0 | — | 0 | 43 |
| 2019 | 0 | — | 0 | 104 |
| 2020 | 2 | — | 0 | 178 |
| 2021 | 2 | — | 0 | 88 |
| 2022 | 0 | — | 0 | 32 |
| 2023 | 0 | — | 0 | 18 |
| 2024 | 0 | — | 0 | 20 |
| 2025 | 0 | — | 0 | 16 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
1. Non-inflammatory degenerative joint disease including osteoarthritis and
avascular necrosis.
2. Rheumatoid arthritis.
3. Correction of functional deformity.
4. Treatment of non-union, femoral neck fracture, and trochanteric fractures of
the proximal femur with head involvement, unmanageable using other
techniques.
5. Revision of previously failed total hip Arthroplasty.
Cemented and Uncemented Applications
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K094035 · printed Nov 6, 2026
Cite this page
510(k) Report. “K094035: Exp Acetabular Liner, Models SC3342 Non-Hooded 28MM, SC3343 Hooded 28MM.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K094035
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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