510(k) Report

510(k) · Cleared

Cleared

ILO292 DP Echoport Plus Oae System

K983350510(k) TraditionalCleared Dec 11, 199879-day reviewClass II21 CFR 874.1050

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

Otodynamics, Ltd. · EWO Audiometer

Cleared on Dec 11, 1998 after a 79-day review. FDA’s file for it is a 510(k) statement, which names no predicate. 8 later devices descend from it.

Decided
Dec 11, 1998
Review
79 days
Class
Class II
Product code
EWO
Recalls
None
Predicates
0

8 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2007: 1 descendant cleared2023: 1 descendant cleared2012: 2 descendants cleared2015: 1 descendant cleared2011: 1 descendant cleared2024: 2 descendants cleared1995200020052010201520202025
  1. This deviceK983350 ILO292 DP Echoport Plus Oae SystemOtodynamics, Ltd. · 1998
  2. Descendant · cites it directly · 6 of its ownK072033 Otodynamics OtoportOtodynamics, Ltd. · 2007
  3. Descendant · 2 generations on · 2 of its ownK143395 Otoport OAE +ABR Advance, Otoport OAE+ABR DP+TE, Otoport OAE+ABR…Otodynamics, Ltd. · 2015
  4. Descendant · 2 generations on · 1 of its ownK112247 A Baer with Abaer I/O FunctionNatus Medical Incorporated · 2012
  5. Descendant · 2 generations on · 1 of its ownK111618 Audx Otoacoustic Emissions Measurement System with Audx I/O FunctionNatus Medical Incorporated · 2011
  6. Descendant · 3 generations on · 0 of its ownK234095 OtoNova/OtoNova ProOtodynamics · 2024

Showing 5 of 8 descendants. See all descendants

Descendants cleared per year

2007: 12011: 12012: 22015: 12023: 12024: 2
2007high 2 (2012) · low 0 (2008)2026

Most influential descendants

Showing 5 of 8 · See all
  • K072033Otodynamics OtoportOtodynamics, Ltd. · 2007 · cites it directly6descendants
  • K143395Otoport OAE +ABR Advance, Otoport OAE+ABR DP+TE, Otoport OAE+ABR Screener-Otocheck…Otodynamics, Ltd. · 2015 · 2 generations on2descendants
  • K112247A Baer with Abaer I/O FunctionNatus Medical Incorporated · 2012 · 2 generations on1descendant
  • K111618Audx Otoacoustic Emissions Measurement System with Audx I/O FunctionNatus Medical Incorporated · 2011 · 2 generations on1descendant
  • K234095OtoNova/OtoNova ProOtodynamics · 2024 · 3 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K983350ILO292 DP Echoport Plus Oae SystemOtodynamics, Ltd.1998—
+1K072033Otodynamics OtoportOtodynamics, Ltd.2007—
+2K143395Otoport OAE +ABR Advance, Otoport OAE+ABR DP+TE, Otoport OAE+ABR…Otodynamics, Ltd.2015—
+2K112247A Baer with Abaer I/O FunctionNatus Medical Incorporated2012—
+2K111618Audx Otoacoustic Emissions Measurement System with Audx I/O FunctionNatus Medical Incorporated2011—
+3K234095OtoNova/OtoNova ProOtodynamics2024—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200710
201110
201220
201510
202310
202420
FIG. 1 — Lineage of K983350, 1998–2024Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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 EWO? 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 EWO device

  1. #1 K234095 OtoNova/OtoNova Proscore 9.4 · 7 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against?

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

What descends from it? (8)

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

NumberDeviceApplicantDecidedDescendants
K072033Otodynamics OtoportOtodynamics, Ltd.20076
K231545hearOAEHearx SA (Pty), Ltd.20230

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, K072033 (Otodynamics, Ltd., 2007) has gone furthest, with 6 descendants of its own.

How does its category compare?

All EWO devices

EWO Audiometer: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · EWO

2in 2024

2007: 52008: 12009: 22010: 22011: 32012: 42013: 22014: 12015: 42017: 22018: 22019: 12022: 12023: 12024: 2
2007high 5 (2007) · low 0 (2016)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · EWO

173in 2015

2007: 69 days median2011: 151 days median2012: 137 days median2015: 173 days median
2007high 173 (2015) · low 69 (2007)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · EWO

4in 2023

2008: 12023: 4
2007high 4 (2023) · low 0 (2007)2026

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

Adverse event reports per year · EWO

13in 2025

2007: 12008: 12009: 12010: 42011: 22015: 12019: 62020: 72021: 32022: 62023: 32024: 22025: 13
2007high 13 (2025) · low 0 (2012)2025

MAUDE reports naming product code EWO, 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
200756901
20081—11
20092—01
20102—04
2011315102
2012413700
20132—00
20141—00
2015417301
20160—00
20172—00
20182—00
20191—06
20200—07
20210—03
20221—06
20231—43
20242—02
20250—013
20260—0—

What is it indicated for?

The Otodynamics L0288 ECHOPORTplus OAE System is designed to perform an auditory screening function by objectively testing for normal function of the cochlea. The system is designed to operate standalone, or optionally interface to an IBM compatible PC, using the parallel port.

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. “K983350: ILO292 DP Echoport Plus Oae System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K983350

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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