510(k) Report

510(k) · Cleared

Cleared

Tyto Insights for Rhonchi Detection

K243567510(k) TraditionalCleared Apr 7, 2025140-day reviewClass II21 CFR 868.1900

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

Tyto Care, Ltd. · PHZ Abnormal Breath Sound Device

Cleared on Apr 7, 2025 as substantially equivalent to K240555 (Tyto Care, Ltd., 2024) after a 140-day review. Its family tree reaches back 8 generations to 1998.

Decided
Apr 7, 2025
Review
140 days
Class
Class II
Product code
PHZ
Recalls
None
Predicates
1

Its longest line of descent runs back 8 generations to K980878 (1998). 9 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 8 generations backK980878 Pulmotrack,Model 1010Karmel Medical Acoustic Technologies, Ltd. · 1998
  2. 7 generations backK012387 STG Multichannel Lung Sound Analysis SystemStethographics, Inc. · 2002
  3. 6 generations backK090863 Personal WheezometerKarmelsonix · 2009
  4. 5 generations backK131285 SonosentryIsonea, Ltd. · 2014
  5. 4 generations backK202062 wheezo WheezeRate DetectorRespiri Limited · 2021
  6. 3 generations backK221614 TytoCare Lung Sounds AnalyzerTyto Care, Ltd. · 2023
  7. 2 generations backK232237 Tyto Insights for Wheeze DetectionTyto Care, Ltd. · 2023
  8. 1 generation backK240555 Tyto Insights for Crackles DetectionTyto Care, Ltd. · 2024
  9. This deviceK243567 Tyto Insights for Rhonchi DetectionTyto Care, Ltd. · 2025
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−8K980878Pulmotrack,Model 1010Karmel Medical Acoustic Technologies, Ltd.1998—
−7K012387STG Multichannel Lung Sound Analysis SystemStethographics, Inc.2002—
−6K090863Personal WheezometerKarmelsonix2009—
−5K131285SonosentryIsonea, Ltd.2014—
−4K202062wheezo WheezeRate DetectorRespiri Limited2021—
−3K221614TytoCare Lung Sounds AnalyzerTyto Care, Ltd.2023—
−2K232237Tyto Insights for Wheeze DetectionTyto Care, Ltd.2023—
−1K240555Tyto Insights for Crackles DetectionTyto Care, Ltd.2024—
0 (this device)K243567Tyto Insights for Rhonchi DetectionTyto Care, Ltd.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200710
FIG. 1 — Lineage of K243567, 1998–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

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 PHZ? 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 PHZ device

  1. #1 K232237 Tyto Insights for Wheeze Detectionscore 17.0 · 6 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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.

TypeNumberDeviceApplicantDecidedRecalls
*K240555Tyto Insights for Crackles Detection
Summary page 5
…Panel: Anesthesiology Predicate Device(s): Device name 510(k) No. Date of Clearance Tyto Insights for Crackles K240555 July 02, 2024 Detection…
Tyto Care, Ltd.2024—

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 6 companies; a new generation was cleared every 3.3 years on median.
  • None of the 9 ancestors has a recall.

How does its category compare?

All PHZ devices

PHZ Abnormal Breath Sound Device: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.

FDA decisions per year · PHZ

1in 2025

2014: 12021: 12023: 22024: 12025: 12026 (partial year): 2
2007high 2 (2023) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · PHZ

Too few PHZ 510(k)s in any year since 2007 to give a median.

Recalls per year · PHZ

No recall names PHZ since 2007.

Adverse event reports per year · PHZ

No MAUDE report names PHZ since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20141—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20211—00
20220—00
20232—00
20241—00
20251—00
20262—0—

What is it indicated for?

The Tyto Insights for Rhonchi Detection is a prescription-use artificial intelligence (AI) enabled decision support software system used in the evaluation of lung sounds in adults and pediatrics (2 years and older). It automatically analyzes the acoustic signal of the lung as recorded by the FDA 510k cleared compatible Tyto Stethoscope and identifies recordings where a specific abnormal lung sound suggestive of “Rhonchi” is suspected. It is not intended…

Read the full statement (113 words)

The Tyto Insights for Rhonchi Detection is a prescription-use artificial intelligence (AI) enabled decision support software system used in the evaluation of lung sounds in adults and pediatrics (2 years and older). It automatically analyzes the acoustic signal of the lung as recorded by the FDA 510k cleared compatible Tyto Stethoscope and identifies recordings where a specific abnormal lung sound suggestive of “Rhonchi” is suspected. It is not intended to detect other abnormal or normal lung sounds. A licensed health care professional’s advice is required to understand the meaning of the Tyto Insights for Rhonchi Detection result. Healthcare providers should consider the device result in conjunction with recording and other relevant patient data.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K243567: Tyto Insights for Rhonchi Detection.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K243567

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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