510(k) · Cleared
ClearedSmith & Nephew Off-Centered Porp
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Gyrus Ent LLC · ETB Prosthesis, Partial Ossicular Replacement
Cleared on Aug 29, 2000 after a 19-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 7 later devices descend from it.
- Decided
- Aug 29, 2000
- Review
- 19 days
- Class
- Class II
- Product code
- ETB
- Recalls
- None
- Predicates
- 0
7 later devices descend from it, 1 citing it directly.
- This deviceK002464 Smith & Nephew Off-Centered PorpGyrus Ent LLC · 2000
- Descendant · cites it directly · 6 of its ownK061853 Grace Medical Adjustable and Fixed Length Partial & Total Ossicular…Grace Medical, Inc. · 2006
- Descendant · 2 generations on · 4 of its ownK063374 Nitinol Locking Incudo-Stapedial Joint, Angular Piston, Piston…Grace Medical, Inc. · 2006
- Descendant · 3 generations on · 3 of its ownK112616 Nitibond Stapes Prosthesis, Nitiplast Stapes ProsthesisHeinz Kurz GmbH Medizintechnik · 2013
- Descendant · 4 generations on · 2 of its ownK130512 Nitiflex Stapes Prosthesis, Detroit Piston, Skarzynski Piston…Heinz Kurz GmbH Medizintechnik · 2013
- Descendant · 5 generations on · 1 of its ownK241142 mAXIS Stapes Prosthesis, mLOOP Stapes Prosthesis, mZAM Stapes…MED-EL Elektromedizinische Geräte GmbH · 2025
Showing 5 of 7 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 7 · See all- K061853Grace Medical Adjustable and Fixed Length Partial & Total Ossicular Replacement ProsthesesGrace Medical, Inc. · 2006 · cites it directly6descendants
- K063374Nitinol Locking Incudo-Stapedial Joint, Angular Piston, Piston, Malleus Piston, Porp and…Grace Medical, Inc. · 2006 · 2 generations on4descendants
- K112616Nitibond Stapes Prosthesis, Nitiplast Stapes ProsthesisHeinz Kurz GmbH Medizintechnik · 2013 · 3 generations on3descendants
- K130512Nitiflex Stapes Prosthesis, Detroit Piston, Skarzynski Piston, Roberson Stapes ProsthesisHeinz Kurz GmbH Medizintechnik · 2013 · 4 generations on2descendants
- K241142mAXIS Stapes Prosthesis, mLOOP Stapes Prosthesis, mZAM Stapes Prosthesis and mFIX Stapes…MED-EL Elektromedizinische Geräte GmbH · 2025 · 5 generations on1descendant
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K002464 | Smith & Nephew Off-Centered Porp | Gyrus Ent LLC | 2000 | — |
| +1 | K061853 | Grace Medical Adjustable and Fixed Length Partial & Total Ossicular… | Grace Medical, Inc. | 2006 | — |
| +2 | K063374 | Nitinol Locking Incudo-Stapedial Joint, Angular Piston, Piston, Malleus… | Grace Medical, Inc. | 2006 | — |
| +3 | K112616 | Nitibond Stapes Prosthesis, Nitiplast Stapes Prosthesis | Heinz Kurz GmbH Medizintechnik | 2013 | — |
| +4 | K130512 | Nitiflex Stapes Prosthesis, Detroit Piston, Skarzynski Piston, Roberson Stapes… | Heinz Kurz GmbH Medizintechnik | 2013 | — |
| +5 | K241142 | mAXIS Stapes Prosthesis, mLOOP Stapes Prosthesis, mZAM Stapes Prosthesis and… | MED-EL Elektromedizinische Geräte GmbH | 2025 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2006 | 2 | 0 |
| 2009 | 1 | 0 |
| 2013 | 2 | 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 ETB? 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 ETB device
- #1 K241142 mAXIS Stapes Prosthesis, mLOOP Stapes…score 13.2 · 6 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? (7)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K061853 | Grace Medical Adjustable and Fixed Length Partial & Total Ossicular Replacement Prostheses | 2006 | 6 |
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, K061853 (Grace Medical, Inc., 2006) has gone furthest, with 6 descendants of its own.
How does its category compare?
All ETB devicesETB Prosthesis, Partial Ossicular Replacement: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · ETB
2in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · ETB
Too few ETB 510(k)s in any year since 2007 to give a median.
Recalls per year · ETB
1so far in 2026, the most since 2007
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · ETB
5in 2025
MAUDE reports naming product code ETB, 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 | 1 | — | 0 | 5 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 5 |
| 2011 | 0 | — | 0 | 3 |
| 2012 | 0 | — | 0 | 3 |
| 2013 | 2 | — | 0 | 3 |
| 2014 | 0 | — | 0 | 5 |
| 2015 | 0 | — | 0 | 2 |
| 2016 | 0 | — | 0 | 5 |
| 2017 | 0 | — | 0 | 3 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 6 |
| 2020 | 0 | — | 0 | 4 |
| 2021 | 0 | — | 0 | 1 |
| 2022 | 0 | — | 0 | 6 |
| 2023 | 0 | — | 0 | 1 |
| 2024 | 0 | — | 0 | 3 |
| 2025 | 2 | — | 0 | 5 |
| 2026 | 2 | — | 1 | — |
https://510kreport.com/device/K002464 · printed Nov 5, 2026
Cite this page
510(k) Report. “K002464: Smith & Nephew Off-Centered Porp.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K002464
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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