510(k) Report

510(k) · Cleared

Cleared

Kurz Clip Piston MVP, Model 1006 711-13/0.4 MM + 1006 761-63/0.6MM

K042503510(k) TraditionalCleared Oct 1, 200416-day reviewClass II21 CFR 874.3495

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

Heinz Kurz GmbH Medizintechnik · ETA Replacement, Ossicular Prosthesis, Total

Cleared on Oct 1, 2004 as substantially equivalent to K002221 (Heinz Kurz GmbH Medizintechnik, 2000) and 1 other predicate after a 16-day review. Its family tree reaches back 2 generations to 2000. 7 later devices descend from it.

Decided
Oct 1, 2004
Review
16 days
Class
Class II
Product code
ETA
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to K002221 (2000). 7 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2008: 1 descendant cleared2006: 1 descendant cleared2013: 2 descendants cleared2009: 1 descendant cleared2025: 1 descendant cleared2026: 1 descendant clearedK002221 · Kurkz K-Piston Titanium Stapedial Prosthesis, Model 1006 103-1006 170 · Heinz Kurz GmbH Medizintechnik · 2000K021479 · Clip Piston Awengen, Model# 1006 805 - 1006 861 · Heinz Kurz GmbH Medizintechnik · 2002200020052010201520202025
Descendants, by generation 1 generation forward: 2 descendants2 generations forward: 2 descendants3 generations forward: 1 descendant4 generations forward: 1 descendant5 generations forward: 1 descendant K021479 · Clip Piston Awengen, Model# 1006 805 - 1006 861 · Heinz Kurz GmbH Medizintechnik · 2002K002221 · Kurkz K-Piston Titanium Stapedial Prosthesis, Model 1006 103-1006 170 · Heinz Kurz GmbH Medizintechnik · 20000+5
  1. Root · 2 generations backK002221 Kurkz K-Piston Titanium Stapedial Prosthesis, Model 1006 103-1006 170Heinz Kurz GmbH Medizintechnik · 2000
  2. 1 generation backK021479 Clip Piston Awengen, Model# 1006 805 - 1006 861Heinz Kurz GmbH Medizintechnik · 2002
  3. This deviceK042503 Kurz Clip Piston MVP, Model 1006 711-13/0.4 MM + 1006 761-63/0.6MMHeinz Kurz GmbH Medizintechnik · 2004
  4. Descendant · cites it directly · 4 of its ownK063374 Nitinol Locking Incudo-Stapedial Joint, Angular Piston, Piston…Grace Medical, Inc. · 2006
  5. Descendant · 2 generations on · 3 of its ownK112616 Nitibond Stapes Prosthesis, Nitiplast Stapes ProsthesisHeinz Kurz GmbH Medizintechnik · 2013
  6. Descendant · 3 generations on · 2 of its ownK130512 Nitiflex Stapes Prosthesis, Detroit Piston, Skarzynski Piston…Heinz Kurz GmbH Medizintechnik · 2013
  7. Descendant · 4 generations on · 1 of its ownK241142 mAXIS Stapes Prosthesis, mLOOP Stapes Prosthesis, mZAM Stapes…MED-EL Elektromedizinische Geräte GmbH · 2025
  8. Descendant · cites it directly · 1 of its ownK080070 K-Helix Piston and Porp Partial Ossicular Replacement ProsthesesGrace Medical, Inc. · 2008

Showing 5 of 7 descendants. See all descendants

Descendants cleared per year

2006: 12008: 12009: 12013: 22025: 12026: 1
2006high 2 (2013) · low 0 (2007)2026

Most influential descendants

Showing 5 of 7 · See all
  • K063374Nitinol Locking Incudo-Stapedial Joint, Angular Piston, Piston, Malleus Piston, Porp and…Grace Medical, Inc. · 2006 · cites it directly4descendants
  • K112616Nitibond Stapes Prosthesis, Nitiplast Stapes ProsthesisHeinz Kurz GmbH Medizintechnik · 2013 · 2 generations on3descendants
  • K130512Nitiflex Stapes Prosthesis, Detroit Piston, Skarzynski Piston, Roberson Stapes ProsthesisHeinz Kurz GmbH Medizintechnik · 2013 · 3 generations on2descendants
  • K241142mAXIS Stapes Prosthesis, mLOOP Stapes Prosthesis, mZAM Stapes Prosthesis and mFIX Stapes…MED-EL Elektromedizinische Geräte GmbH · 2025 · 4 generations on1descendant
  • K080070K-Helix Piston and Porp Partial Ossicular Replacement ProsthesesGrace Medical, Inc. · 2008 · cites it directly1descendant
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K002221Kurkz K-Piston Titanium Stapedial Prosthesis, Model 1006 103-1006 170Heinz Kurz GmbH Medizintechnik2000—
−1K021479Clip Piston Awengen, Model# 1006 805 - 1006 861Heinz Kurz GmbH Medizintechnik2002—
0 (this device)K042503Kurz Clip Piston MVP, Model 1006 711-13/0.4 MM + 1006 761-63/0.6MMHeinz Kurz GmbH Medizintechnik2004—
+1K063374Nitinol Locking Incudo-Stapedial Joint, Angular Piston, Piston, Malleus…Grace Medical, Inc.2006—
+2K112616Nitibond Stapes Prosthesis, Nitiplast Stapes ProsthesisHeinz Kurz GmbH Medizintechnik2013—
+3K130512Nitiflex Stapes Prosthesis, Detroit Piston, Skarzynski Piston, Roberson Stapes…Heinz Kurz GmbH Medizintechnik2013—
+4K241142mAXIS Stapes Prosthesis, mLOOP Stapes Prosthesis, mZAM Stapes Prosthesis and…MED-EL Elektromedizinische Geräte GmbH2025—
+1K080070K-Helix Piston and Porp Partial Ossicular Replacement ProsthesesGrace Medical, Inc.2008—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200610
200810
200910
201320
202510
202610
FIG. 1 — Lineage of K042503, 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), 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 ETA? 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 ETA device

  1. #1 K241269 mXACT Total Prosthesis Offcenter, mXACT Total…score 12.0 · 2 generations · no Class I recall
  2. #2 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (2)

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.

TypeNumberDeviceApplicantDecidedRecalls
*K002221Kurkz K-Piston Titanium Stapedial Prosthesis, Model 1006 103-1006 170
Summary page 2
…ly for malleovestibulopexy 2.7 Modification and Combination of Existing Device Components: [807.92 (a)(3)] K 002221 K-Piston Titanium Stapedial Prosthesis (Partial and Total)…
Heinz Kurz GmbH Medizintechnik2000—
*K021479Clip Piston Awengen, Model# 1006 805 - 1006 861
Summary page 2
…is (Partial and Total) Cleared 08/09/2000 + K 021479 CUP®aWengen Stapedial Piston Cleared 05/21/2002 2.8…
Heinz Kurz GmbH Medizintechnik2002—

Also cleared against K002221: 3 other devices →

What descends from it? (7)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K063374Nitinol Locking Incudo-Stapedial Joint, Angular Piston, Piston, Malleus Piston, Porp and…Grace Medical, Inc.20064
K080070K-Helix Piston and Porp Partial Ossicular Replacement ProsthesesGrace Medical, Inc.20081

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 4 years and passes through 1 company; a new generation was cleared every 2.4 years on median.
  • None of the 2 ancestors has a recall.
  • Of its descendants, K063374 (Grace Medical, Inc., 2006) has gone furthest, with 4 descendants of its own.
  • 3 other devices also cite its predicate K002221.

How does its category compare?

All ETA devices

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

FDA decisions per year · ETA

1in 2025

2009: 22025: 12026 (partial year): 2
2007high 2 (2009) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · ETA

Too few ETA 510(k)s in any year since 2007 to give a median.

Recalls per year · ETA

1in 2011

2011: 1
2007high 1 (2011) · low 0 (2007)2026

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

Adverse event reports per year · ETA

4in 2025

2008: 52009: 22010: 12011: 32012: 42013: 12014: 62015: 52016: 122017: 92019: 92020: 12022: 42023: 52024: 82025: 4
2007high 12 (2016) · low 0 (2007)2025

MAUDE reports naming product code ETA, 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
20080—05
20092—02
20100—01
20110—13
20120—04
20130—01
20140—06
20150—05
20160—012
20170—09
20180—00
20190—09
20200—01
20210—00
20220—04
20230—05
20240—08
20251—04
20262—0—

What is it indicated for?

Bridging the stapes and incus in cases of

otosclerosis and defects of the ossicular chain

between manubrium mallei and vestibulum

(malleovestibulopexy)

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K042503: Kurz Clip Piston MVP, Model 1006 711-13/0.4 MM + 1006 761-63/0.6MM.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K042503

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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