510(k) · Cleared
ClearedMedaica M1 Telehealth Stethoscope
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Medaica, Inc. · DQD Stethoscope, Electronic
Cleared on Jan 19, 2023 as substantially equivalent to K181612 (Tyto Care, Ltd., 2018) after a 104-day review. Its family tree reaches back 8 generations to 1996.
- Decided
- Jan 19, 2023
- Review
- 104 days
- Class
- Class II
- Product code
- DQD
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 8 generations to K952882 (1996). 22 ancestors in all, the oldest K771653 (1977). No later device cites it as a predicate yet.
- Root · 8 generations backK952882 Personal Telemedicine SystemAmerican Telecare, Inc. · 1996
- 7 generations backK964554 Personal Telemedicine ModuleAmerican Telecare, Inc. · 1996
- 6 generations backK973873 Digital Personal Telemedicine Module, Digital PTM 1American Telecare, Inc. · 1997
- 5 generations backK034046 RNK Telephonic Stethoscope, Model TR-1Rnk Products · 2004
- 4 generations backK072026 RNK Electronic StethoscopeRnk Products, Inc. · 2007
- 3 generations backK102893 PCP/PC StethoscopeRnk Products, Inc. · 2011
- 2 generations backK160401 Tyto StethoscopeTyto Care, Ltd. · 2016
- 1 generation backK181612 Tyto Stethoscope (OTC)Tyto Care, Ltd. · 2018
- This deviceK223166 Medaica M1 Telehealth StethoscopeMedaica, Inc. · 2023
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −8 | K952882 | Personal Telemedicine System | American Telecare, Inc. | 1996 | — |
| −7 | K964554 | Personal Telemedicine Module | American Telecare, Inc. | 1996 | — |
| −6 | K973873 | Digital Personal Telemedicine Module, Digital PTM 1 | American Telecare, Inc. | 1997 | — |
| −5 | K034046 | RNK Telephonic Stethoscope, Model TR-1 | Rnk Products | 2004 | — |
| −4 | K072026 | RNK Electronic Stethoscope | Rnk Products, Inc. | 2007 | — |
| −3 | K102893 | PCP/PC Stethoscope | Rnk Products, Inc. | 2011 | — |
| −2 | K160401 | Tyto Stethoscope | Tyto Care, Ltd. | 2016 | — |
| −1 | K181612 | Tyto Stethoscope (OTC) | Tyto Care, Ltd. | 2018 | — |
| 0 (this device) | K223166 | Medaica M1 Telehealth Stethoscope | Medaica, Inc. | 2023 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1977 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1999 | 1 | 0 |
| 2001 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 2 | 0 |
| 2009 | 1 | 0 |
| 2018 | 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 |
|---|---|---|---|
| * | K181612 | Tyto Stethoscope (OTC)Summary page 4…Panel: Cardiovascular Predicate Device Device Name 510(k) No. Date of Clearance Tyto Stethoscope (OTC) K181612 December 17, 2018 Intended Use/Indication for Use Statement The Medaica M1 Telehealth Stethoscope is an electronic… | 2018 |
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 27 years and passes through 5 companies; a new generation was cleared every 3.6 years on median.
- None of the 22 ancestors has a recall.
- 5 other devices also cite its predicate K181612.
How does its category compare?
All DQD devicesDQD Stethoscope, Electronic: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, 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 Medaica M1 Telehealth Stethoscope is an electronic stethoscope that enables transmission of auscultation sound data, whereby a clinician at one location on an IP network can listen to the auscultation sounds of a patient on site or at a different location on the IP network with the signal carried on an IP connection between the two locations.
The Medica M1 Telehealth Stethoscope is intended to be used by professional users in a clinical environment or by lay users in a nonclinical environment. The device is for medical diagnostics purposes only. The device is not intended for self-diagnosis.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K223166 · printed Nov 6, 2026
Cite this page
510(k) Report. “K223166: Medaica M1 Telehealth Stethoscope.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K223166
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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