510(k) · Cleared
Clearedibiomedi Electronic Stethoscope ES-2020
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Sound Land Corp. · DQD Stethoscope, Electronic
Cleared on Nov 3, 2022 as substantially equivalent to K160023 (Imediplus, Inc., 2016) after a 259-day review. Its family tree reaches back 6 generations to 1977.
- Decided
- Nov 3, 2022
- Review
- 259 days
- Class
- Class II
- Product code
- DQD
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 6 generations to K771653 (1977). 8 ancestors in all. No later device cites it as a predicate yet.
- Root · 6 generations backK771653 Electronic Stethoscope3M Company · 1977
- 5 generations backK961848 3M Littmann Electronic StethoscopeMinnesota Mining and Mfg. Co. · 1997
- 4 generations backK041934 3M Littmann Electronic Stethoscope, Model 30003M Company · 2004
- 3 generations backK050159 Modification to: 3M Littmann Electronic Stethoscope, Model 30003M Company · 2005
- 2 generations backK083903 3M Littmann Electronic Stethoscope, Model 32003M Company · 2009
- 1 generation backK160023 Electronic Stethoscope DS301Imediplus, Inc. · 2016
- This deviceK220466 ibiomedi Electronic Stethoscope ES-2020Sound Land Corp. · 2022
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −6 | K771653 | Electronic Stethoscope | 3M Company | 1977 | — |
| −5 | K961848 | 3M Littmann Electronic Stethoscope | Minnesota Mining and Mfg. Co. | 1997 | — |
| −4 | K041934 | 3M Littmann Electronic Stethoscope, Model 3000 | 3M Company | 2004 | — |
| −3 | K050159 | Modification to: 3M Littmann Electronic Stethoscope, Model 3000 | 3M Company | 2005 | — |
| −2 | K083903 | 3M Littmann Electronic Stethoscope, Model 3200 | 3M Company | 2009 | — |
| −1 | K160023 | Electronic Stethoscope DS301 | Imediplus, Inc. | 2016 | — |
| 0 (this device) | K220466 | ibiomedi Electronic Stethoscope ES-2020 | Sound Land Corp. | 2022 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2001 | 1 | 0 |
| 2005 | 1 | 0 |
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 DQD? 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 DQD device
- #1 K200776 Eko COREscore 25.2 · 8 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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 |
|---|---|---|---|
| * | K160023 | Electronic Stethoscope DS301Summary page 4…Stethoscope, Electronic 7. Classification Identification: Class II 8. Product Codes: DQD 9. Predicate Device: Stethoscope, Electronic K160023 10. Device Description: The ibiomedi Electronic Stethoscope ES-2020 detects sounds from the heart, arteries, veins, breathing s… | 2016 |
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?
- The line of descent spans 45 years and passes through 4 companies; a new generation was cleared every 7.1 years on median.
- None of the 8 ancestors has a recall.
- 1 other device also cites its predicate K160023.
How does its category compare?
All DQD devicesDQD Stethoscope, Electronic: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.
FDA decisions per year · DQD
3in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · DQD
89in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · DQD
No recall names DQD since 2007.
Adverse event reports per year · DQD
1in 2024
MAUDE reports naming product code DQD, 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 | 2 | — | 0 | 0 |
| 2008 | 1 | — | 0 | 0 |
| 2009 | 6 | 161 | 0 | 0 |
| 2010 | 1 | — | 0 | 0 |
| 2011 | 4 | 107 | 0 | 1 |
| 2012 | 2 | — | 0 | 0 |
| 2013 | 5 | 70 | 0 | 1 |
| 2014 | 0 | — | 0 | 0 |
| 2015 | 2 | — | 0 | 0 |
| 2016 | 3 | 250 | 0 | 0 |
| 2017 | 4 | 109 | 0 | 0 |
| 2018 | 4 | 131 | 0 | 0 |
| 2019 | 4 | 262 | 0 | 0 |
| 2020 | 6 | 104 | 0 | 0 |
| 2021 | 4 | 137 | 0 | 0 |
| 2022 | 8 | 203 | 0 | 0 |
| 2023 | 10 | 132 | 0 | 0 |
| 2024 | 4 | 153 | 0 | 1 |
| 2025 | 3 | 89 | 0 | 0 |
| 2026 | 6 | 236 | 0 | — |
What is it indicated for?
The ibiomedi Electronic Stethoscope ES-2020 is used to detect sound from the heart, arteries, veins, breathing sounds from the anterior/posterior/lateral chest and throat sounds in the neck. The chest piece is designed for children who are over two years old, teenagers and adults. It can be applied to any body type and can only be used for the purpose of medical diagnosis in clinics or hospitals.
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/K220466 · printed Nov 6, 2026
Cite this page
510(k) Report. “K220466: ibiomedi Electronic Stethoscope ES-2020.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K220466
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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