510(k) Report

510(k) · Cleared

Cleared

Micromedics S&T Partial Ossicular Replacement Prosthesis

K993234510(k) TraditionalCleared Nov 10, 199944-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

Micromedics, Inc. · ETB Prosthesis, Partial Ossicular Replacement

Cleared on Nov 10, 1999 after a 44-day review. FDA’s file for it is a 510(k) statement, which names no predicate.

Decided
Nov 10, 1999
Review
44 days
Class
Class II
Product code
ETB
Recalls
None
Predicates
0

FDA’s file for it is a 510(k) statement, which names no predicate.

FIG. 1 — Lineage of K993234Source: FDA 510(k) database · 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 510(k) statement (indications), 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’s file for it is a 510(k) statement, which names no predicate.

What descends from it?

No later submission names this one as a predicate yet.

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.

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—

What is it indicated for?

For surgxcal reconstruction of the sound conduction chain between the stapes and the ear drum, where the stapes is intact and mobile, by replacement of the missing ossicles with a partial implant.

Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K993234: Micromedics S&T Partial Ossicular Replacement Prosthesis.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K993234

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Page last updated Nov 3, 2026