510(k) · Cleared
ClearedTelex in-the-Ear Custom Hearing Aid with Threshold Compression-II
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Telex Communications, Inc. · ESD Hearing Aid, Air-Conduction, Prescription
Cleared on Jan 21, 1997 as substantially equivalent to K922066 (Telex Communications, Inc., 1992) after a 63-day review. Its family tree reaches back 1 generation to 1992.
- Decided
- Jan 21, 1997
- Review
- 63 days
- Class
- Class I
- Product code
- ESD
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K922066 (1992). No later device cites it as a predicate yet.
- Root · 1 generation backK922066 Telex Model 28A Ite Custom Hearing AidTelex Communications, Inc. · 1992
- This deviceK964639 Telex in-the-Ear Custom Hearing Aid with Threshold Compression-IITelex Communications, Inc. · 1997
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K922066 | Telex Model 28A Ite Custom Hearing Aid | Telex Communications, Inc. | 1992 | — |
| 0 (this device) | K964639 | Telex in-the-Ear Custom Hearing Aid with Threshold Compression-II | Telex Communications, Inc. | 1997 | — |
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 ESD? 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 ESD device
- #1 K232999 Lyric4 Hearing Aidscore 8.4 · 5 generations · no Class I recall
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K922066 | Telex Model 28A Ite Custom Hearing AidSummary page 1…5420 USA Telephone 612-884-4051 Telex In-the-Ear Custom Hearing Aid with Threshold Corfipt&8ite 11 Hearing Aid, ITE Air Conduction Hearing Aid, 77ESD Telex Model 28A K922066 to amplify and transmit sound to the ear. Threshold Compression, 2-band compression, AC+ assembled from standard components th… | 1992 |
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.
What does this lineage say?
- Its one ancestor has no recall.
- 1 other device also cites its predicate K922066.
How does its category compare?
All ESD devicesESD Hearing Aid, Air-Conduction, Prescription: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · ESD
1in 2024
2026 to Oct 25, outlined.
Median 510(k) review, days · ESD
Too few ESD 510(k)s in any year since 2007 to give a median.
Recalls per year · ESD
2in 2019
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · ESD
53in 2025
MAUDE reports naming product code ESD, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 0 | — | 0 | 13 |
| 2008 | 1 | — | 0 | 13 |
| 2009 | 0 | — | 0 | 3 |
| 2010 | 0 | — | 1 | 1 |
| 2011 | 0 | — | 0 | 3 |
| 2012 | 0 | — | 0 | 6 |
| 2013 | 1 | — | 0 | 37 |
| 2014 | 0 | — | 0 | 4 |
| 2015 | 0 | — | 0 | 6 |
| 2016 | 0 | — | 0 | 7 |
| 2017 | 0 | — | 0 | 4 |
| 2018 | 0 | — | 1 | 12 |
| 2019 | 0 | — | 2 | 9 |
| 2020 | 0 | — | 0 | 5 |
| 2021 | 0 | — | 0 | 4 |
| 2022 | 0 | — | 0 | 4 |
| 2023 | 0 | — | 0 | 8 |
| 2024 | 1 | — | 0 | 16 |
| 2025 | 0 | — | 0 | 53 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
to amplify and transmit sound to the ear.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K964639 · printed Nov 5, 2026
Cite this page
510(k) Report. “K964639: Telex in-the-Ear Custom Hearing Aid with Threshold Compression-II.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K964639
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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