510(k) Report

510(k) · Cleared

Cleared

Smith & Nephew Porps & Torps

K002737510(k) TraditionalCleared Oct 12, 200041-day reviewClass II21 CFR 874.3450

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Gyrus Ent LLC · ETB Prosthesis, Partial Ossicular Replacement

Cleared on Oct 12, 2000 after a 41-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
Oct 12, 2000
Review
41 days
Class
Class II
Product code
ETB
Recalls
None
Predicates
0

7 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2006: 2 descendants cleared2009: 1 descendant cleared2013: 2 descendants cleared2025: 1 descendant cleared2026: 1 descendant cleared200020052010201520202025
  1. This deviceK002737 Smith & Nephew Porps & TorpsGyrus Ent LLC · 2000
  2. Descendant · cites it directly · 6 of its ownK061853 Grace Medical Adjustable and Fixed Length Partial & Total Ossicular…Grace Medical, Inc. · 2006
  3. Descendant · 2 generations on · 4 of its ownK063374 Nitinol Locking Incudo-Stapedial Joint, Angular Piston, Piston…Grace Medical, Inc. · 2006
  4. Descendant · 3 generations on · 3 of its ownK112616 Nitibond Stapes Prosthesis, Nitiplast Stapes ProsthesisHeinz Kurz GmbH Medizintechnik · 2013
  5. Descendant · 4 generations on · 2 of its ownK130512 Nitiflex Stapes Prosthesis, Detroit Piston, Skarzynski Piston…Heinz Kurz GmbH Medizintechnik · 2013
  6. 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

2006: 22009: 12013: 22025: 12026: 1
2006high 2 (2006) · low 0 (2007)2026

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

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K002737Smith & Nephew Porps & TorpsGyrus Ent LLC2000—
+1K061853Grace Medical Adjustable and Fixed Length Partial & Total Ossicular…Grace Medical, Inc.2006—
+2K063374Nitinol Locking Incudo-Stapedial Joint, Angular Piston, Piston, Malleus…Grace Medical, Inc.2006—
+3K112616Nitibond Stapes Prosthesis, Nitiplast Stapes ProsthesisHeinz Kurz GmbH Medizintechnik2013—
+4K130512Nitiflex Stapes Prosthesis, Detroit Piston, Skarzynski Piston, Roberson Stapes…Heinz Kurz GmbH Medizintechnik2013—
+5K241142mAXIS Stapes Prosthesis, mLOOP Stapes Prosthesis, mZAM Stapes Prosthesis and…MED-EL Elektromedizinische Geräte GmbH2025—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200620
200910
201320
202510
202610
FIG. 1 — Lineage of K002737, 2000–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

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. #1 K241142 mAXIS Stapes Prosthesis, mLOOP Stapes…score 13.2 · 6 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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.

NumberDeviceApplicantDecidedDescendants
K061853Grace Medical Adjustable and Fixed Length Partial & Total Ossicular Replacement ProsthesesGrace Medical, Inc.20066

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 devices

ETB Prosthesis, Partial Ossicular Replacement: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · ETB

2in 2025

2008: 12013: 22025: 22026 (partial year): 2
2007high 2 (2013) · low 0 (2007)2026

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

2026 (partial year): 1
2007high 1 (2026) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · ETB

5in 2025

2008: 52010: 52011: 32012: 32013: 32014: 52015: 22016: 52017: 32019: 62020: 42021: 12022: 62023: 12024: 32025: 5
2007high 6 (2019) · low 0 (2007)2025

MAUDE reports naming product code ETB, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20081—05
20090—00
20100—05
20110—03
20120—03
20132—03
20140—05
20150—02
20160—05
20170—03
20180—00
20190—06
20200—04
20210—01
20220—06
20230—01
20240—03
20252—05
20262—1—
Cite this page

510(k) Report. “K002737: Smith & Nephew Porps & Torps.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K002737

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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