510(k) · Cleared
ClearedAmplaid 770 Admittance Meter
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Amplus Corp. · ETY Tester, Auditory Impedance
Cleared on Oct 24, 1990 after a 104-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 3 later devices descend from it.
- Decided
- Oct 24, 1990
- Review
- 104 days
- Class
- Class II
- Product code
- ETY
- Recalls
- None
- Predicates
- 0
3 later devices descend from it, 2 citing it directly.
- This deviceK903066 Amplaid 770 Admittance MeterAmplus Corp. · 1990
- Descendant · cites it directly · 1 of its ownK992370 Amplaid A724 and A728Amplifon S.P.A. · 1999
- Descendant · 2 generations on · 0 of its ownK031978 Amplaid A756 Screening Admittance MeterAmplaid · 2003
- Descendant · cites it directly · 0 of its ownK974235 Amplaid AM50Amplifon S.P.A. · 1998
Most influential descendants
Showing 3 of 3 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K903066 | Amplaid 770 Admittance Meter | Amplus Corp. | 1990 | — |
| +1 | K992370 | Amplaid A724 and A728 | Amplifon S.P.A. | 1999 | — |
| +2 | K031978 | Amplaid A756 Screening Admittance Meter | Amplaid | 2003 | — |
| +1 | K974235 | Amplaid AM50 | Amplifon S.P.A. | 1998 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2003 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), 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
What was it cleared against?
FDA has not posted a summary or statement for it, so its predicates are not known.
What descends from it? (3)
2 later devices cite it directly; ranked here by how many devices descend from each in turn.
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, K992370 (Amplifon S.P.A., 1999) has gone furthest, with 1 descendant of its own.
How does its category compare?
All ETY devicesETY Tester, Auditory Impedance: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · ETY
1in 2019
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
MAUDE reports naming product code ETY, 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 | 1 | — | 0 | 0 |
| 2008 | 1 | — | 0 | 0 |
| 2009 | 1 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 0 | — | 0 | 1 |
| 2012 | 1 | — | 0 | 0 |
| 2013 | 0 | — | 0 | 1 |
| 2014 | 1 | — | 0 | 0 |
| 2015 | 2 | — | 0 | 0 |
| 2016 | 2 | — | 0 | 0 |
| 2017 | 1 | — | 0 | 0 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 1 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 1 |
| 2022 | 0 | — | 0 | 0 |
| 2023 | 0 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 1 |
| 2025 | 0 | — | 0 | 1 |
| 2026 | 0 | — | 0 | — |
https://510kreport.com/device/K903066 · printed Nov 6, 2026
Cite this page
510(k) Report. “K903066: Amplaid 770 Admittance Meter.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K903066
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Record history
- FDA decision record loaded May 2, 2026
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026