510(k) · Cleared
Cleared3M Littmann Scope-to Scope Software System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
3M Company · DRG Transmitters And Receivers, Physiological Signal, Radiofrequency
Cleared on Sep 3, 2010 as substantially equivalent to K973873 (American Telecare, Inc., 1997) after a 64-day review. Its family tree reaches back 3 generations to 1996. 2 later devices descend from it.
- Decided
- Sep 3, 2010
- Review
- 64 days
- Class
- Class II
- Product code
- DRG
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 3 generations to K952882 (1996). 4 ancestors in all. 2 later devices descend from it, 1 citing it directly.
- Root · 3 generations backK952882 Personal Telemedicine SystemAmerican Telecare, Inc. · 1996
- 2 generations backK964554 Personal Telemedicine ModuleAmerican Telecare, Inc. · 1996
- 1 generation backK973873 Digital Personal Telemedicine Module, Digital PTM 1American Telecare, Inc. · 1997
- This deviceK101834 3M Littmann Scope-to Scope Software System3M Company · 2010
- Descendant · cites it directly · 1 of its ownK120704 3M Littmann Telesteth Online Ausculation System3M Company · 2012
- Descendant · 2 generations on · 0 of its ownK171188 Ossler Exam ScopeLr Med, Inc. · 2017
Most influential descendants
Showing 2 of 2 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K952882 | Personal Telemedicine System | American Telecare, Inc. | 1996 | — |
| −2 | K964554 | Personal Telemedicine Module | American Telecare, Inc. | 1996 | — |
| −1 | K973873 | Digital Personal Telemedicine Module, Digital PTM 1 | American Telecare, Inc. | 1997 | — |
| 0 (this device) | K101834 | 3M Littmann Scope-to Scope Software System | 3M Company | 2010 | — |
| +1 | K120704 | 3M Littmann Telesteth Online Ausculation System | 3M Company | 2012 | — |
| +2 | K171188 | Ossler Exam Scope | Lr Med, Inc. | 2017 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1997 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2012 | 1 | 0 |
| 2017 | 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 DRG? 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 DRG device
- #1 K223711 ANNE Onescore 20.8 · 11 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 |
|---|---|---|---|
| * | K973873 | Digital Personal Telemedicine Module, Digital PTM 1Summary page 1…gical signal, radiofrequency (21 CFR § 870.291 0) Performance Standards: N/A Predicate Device: CareTone® Telephonic Stethoscope (K973873 American TeleCare's Digital Personal Telemedicine Module) 510(k) Premarket Notification for 3MT" Littmann®D Scope… | 1997 |
What descends from it? (2)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K120704 | 3M Littmann Telesteth Online Ausculation System | 2012 | 1 |
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 14 years and passes through 2 companies; a new generation was cleared every 1.0 years on median.
- None of the 4 ancestors has a recall.
- Of its descendants, K120704 (3M Company, 2012) has gone furthest, with 1 descendant of its own.
- 1 other device also cites its predicate K973873.
How does its category compare?
All DRG devicesDRG Transmitters And Receivers, Physiological Signal, Radiofrequency: FDA decisions, review times, recalls and adverse event reports over 20 years. 2010, this device’s year, is highlighted.
FDA decisions per year · DRG
3in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · DRG
127in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · DRG
3in 2007
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · DRG
52in 2025
MAUDE reports naming product code DRG, 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 | 6 | 63 | 3 | 14 |
| 2008 | 5 | 74 | 0 | 9 |
| 2009 | 13 | 94 | 0 | 5 |
| 2010 | 10 | 68 | 0 | 13 |
| 2011 | 9 | 104 | 0 | 12 |
| 2012 | 12 | 103 | 0 | 9 |
| 2013 | 13 | 146 | 0 | 13 |
| 2014 | 10 | 177 | 0 | 97 |
| 2015 | 2 | — | 0 | 131 |
| 2016 | 2 | — | 0 | 182 |
| 2017 | 7 | 98 | 0 | 484 |
| 2018 | 6 | 220 | 0 | 166 |
| 2019 | 5 | 122 | 0 | 70 |
| 2020 | 6 | 159 | 0 | 82 |
| 2021 | 2 | — | 0 | 107 |
| 2022 | 6 | 287 | 0 | 43 |
| 2023 | 4 | 212 | 0 | 19 |
| 2024 | 3 | 125 | 0 | 26 |
| 2025 | 3 | 127 | 0 | 52 |
| 2026 | 2 | — | 1 | — |
What is it indicated for?
The 3MT" Littmann®D Scope-to-Scope Software System is intended to provide and control the real time data transfer of body sounds between two 3A.TM- Littmann® Electronic Stethoscopes, Model 3200 over a data network. It can be used on any person undergoing a physical assessment.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K101834 · printed Nov 6, 2026
Cite this page
510(k) Report. “K101834: 3M Littmann Scope-to Scope Software System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K101834
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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