510(k) Report

510(k) · Cleared

Cleared

Interacoustics AT235 Impedance Audiometer

K994254510(k) TraditionalCleared Mar 14, 200088-day reviewClass II21 CFR 874.1090

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

International Distributors of Electronics For Medi · ETY Tester, Auditory Impedance

Cleared on Mar 14, 2000 after an 88-day review. The FDA summary names its predicate without a number. 10 later devices descend from it.

Decided
Mar 14, 2000
Review
88 days
Class
Class II
Product code
ETY
Recalls
None
Predicates
0

10 later devices descend from it, 4 citing it directly.

Descendants, by year cleared 2015: 1 descendant cleared2009: 1 descendant cleared2007: 1 descendant cleared2011: 1 descendant cleared2014: 1 descendant cleared2012: 1 descendant cleared2022: 2 descendants cleared2017: 1 descendant cleared2019: 1 descendant cleared200020052010201520202025
  1. This deviceK994254 Interacoustics AT235 Impedance AudiometerInternational Distributors of Electronics For Medi · 2000
  2. Descendant · cites it directly · 6 of its ownK083861 Titan, Titan Shoulder Box, Titan Cradle, Titan Printer, Titan…Interacoustics AS · 2009
  3. Descendant · 2 generations on · 4 of its ownK133012 SentieroPath Medical GmbH · 2014 · Recalled
  4. Descendant · 3 generations on · 1 of its ownK171038 Hearing Healthcare ProDb Diagnostic Systems, Inc. · 2017
  5. Descendant · 3 generations on · 0 of its ownK220139 QScreenPath Medical GmbH · 2022
  6. Descendant · 3 generations on · 0 of its ownK213345 Sentiero, AuDX, AuDX PRO, Sentiero Desktop, AuDX PRO Flex, Sentiero…Path Medical GmbH · 2022 · Recalled

Showing 5 of 10 descendants. See all descendants

Descendants cleared per year

2007: 12009: 12011: 12012: 12014: 12015: 12017: 12019: 12022: 2
2007high 2 (2022) · low 0 (2008)2026

Most influential descendants

Showing 5 of 10 · See all
  • K083861Titan, Titan Shoulder Box, Titan Cradle, Titan Printer, Titan IMP440, IMP440 Module…Interacoustics AS · 2009 · cites it directly6descendants
  • K133012SentieroPath Medical GmbH · 2014 · 2 generations on4descendants
  • K171038Hearing Healthcare ProDb Diagnostic Systems, Inc. · 2017 · 3 generations on1descendant
  • K220139QScreenPath Medical GmbH · 2022 · 3 generations on0descendants
  • K213345Sentiero, AuDX, AuDX PRO, Sentiero Desktop, AuDX PRO Flex, Sentiero Advanced, NavPRO ONEPath Medical GmbH · 2022 · 3 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K994254Interacoustics AT235 Impedance AudiometerInternational Distributors of Electronics For Medi2000—
+1K083861Titan, Titan Shoulder Box, Titan Cradle, Titan Printer, Titan IMP440, IMP440…Interacoustics AS2009—
+2K133012SentieroPath Medical GmbH20144
+3K171038Hearing Healthcare ProDb Diagnostic Systems, Inc.2017—
+3K220139QScreenPath Medical GmbH2022—
+3K213345Sentiero, AuDX, AuDX PRO, Sentiero Desktop, AuDX PRO Flex, Sentiero Advanced…Path Medical GmbH20224

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200710
200910
201110
201210
201410
201510
201710
201910
202220
FIG. 1 — Lineage of K994254, 2000–2022Source: 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 ETY? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin the report
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What was it cleared against? (1)

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
*—Interacoustics AT22t Automatic Impedance Audiometer
Named without a submission number
—

What descends from it? (10)

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

NumberDeviceApplicantDecidedDescendants
K083861Titan, Titan Shoulder Box, Titan Cradle, Titan Printer, Titan IMP440, IMP440 Module…Interacoustics AS20096
K151616AT235Interacoustics A/S20150
K112733ER35 Ero-Scan Pro Hearing Test SystemEtymotic Research, Inc.20110
K070880ER35 Ero-Scan Pro Hearing Test SystemEtymotic Research, Inc.20070

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, K083861 (Interacoustics AS, 2009) has gone furthest, with 6 descendants of its own.

How does its category compare?

All ETY devices

ETY Tester, Auditory Impedance: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · ETY

1in 2019

2007: 12008: 12009: 12012: 12014: 12015: 22016: 22017: 12019: 1
2007high 2 (2015) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · ETY

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

Recalls per year · ETY

No recall names ETY since 2007.

Adverse event reports per year · ETY

1in 2025

2011: 12013: 12021: 12024: 12025: 1
2007high 1 (2011) · low 0 (2007)2025

MAUDE reports naming product code ETY, 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
20071—00
20081—00
20091—00
20100—00
20110—01
20121—00
20130—01
20141—00
20152—00
20162—00
20171—00
20180—00
20191—00
20200—00
20210—01
20220—00
20230—00
20240—01
20250—01
20260—0—

What is it indicated for?

The Interacoustics AT235 Impedance Audiometer is an electroacoustic test instrument that produces controlled levels of test tones and signals intended for use in conducting diagnostic hearing evaluations and assisting in the diagnosis of possible otologic disorders. It features tympanometry, acoustic reflex and air conduction audiometry.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K994254: Interacoustics AT235 Impedance Audiometer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K994254

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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