510(k) Report

510(k) · Cleared

Cleared

Electronic Stethoscope

K771653510(k) TraditionalCleared Sep 12, 197714-day reviewClass II21 CFR 870.1875

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

3M Company · DQD Stethoscope, Electronic

Cleared on Sep 12, 1977 after a 14-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 86 later devices descend from it.

Decided
Sep 12, 1977
Review
14 days
Class
Class II
Product code
DQD
Recalls
None
Predicates
0

86 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 1997: 1 descendant cleared1996: 1 descendant cleared2004: 1 descendant cleared2003: 2 descendants cleared2007: 3 descendants cleared2005: 2 descendants cleared2009: 4 descendants cleared2001: 1 descendant cleared1999: 1 descendant cleared2012: 2 descendants cleared2002: 1 descendant cleared2010: 2 descendants cleared2011: 2 descendants cleared2006: 2 descendants cleared2018: 5 descendants cleared2008: 1 descendant cleared2013: 5 descendants cleared2023: 9 descendants cleared2016: 3 descendants cleared2019: 4 descendants cleared2026: 5 descendants cleared2020: 6 descendants cleared2017: 1 descendant cleared2022: 9 descendants cleared2015: 1 descendant cleared2021: 4 descendants cleared2025: 5 descendants cleared2024: 3 descendants cleared19801990200020102020
  1. This deviceK771653 Electronic Stethoscope3M Company · 1977
  2. Descendant · cites it directly · 54 of its ownK961848 3M Littmann Electronic StethoscopeMinnesota Mining and Mfg. Co. · 1997
  3. Descendant · cites it directly · 54 of its ownK961857 Labtron Electromax Electronic Stethoscope Model NO. 04-1060Graham-Field, Inc. · 1996
  4. Descendant · 2 generations on · 51 of its ownK991367 Meditron Stethoscope SystemMeditron AS · 1999
  5. Descendant · 2 generations on · 50 of its ownK041934 3M Littmann Electronic Stethoscope, Model 30003M Company · 2004
  6. Descendant · 3 generations on · 48 of its ownK050159 Modification to: 3M Littmann Electronic Stethoscope, Model 30003M Company · 2005

Showing 5 of 86 descendants. See all descendants

Descendants cleared per year

1996: 11997: 11999: 12001: 12002: 12003: 22004: 12005: 22006: 22007: 32008: 12009: 42010: 22011: 22012: 22013: 52015: 12016: 32017: 12018: 52019: 42020: 62021: 42022: 92023: 92024: 32025: 52026: 5
1996high 9 (2022) · low 0 (1998)2026

Most influential descendants

Showing 5 of 86 · See all
  • K9618483M Littmann Electronic StethoscopeMinnesota Mining and Mfg. Co. · 1997 · cites it directly54descendants
  • K961857Labtron Electromax Electronic Stethoscope Model NO. 04-1060Graham-Field, Inc. · 1996 · cites it directly54descendants
  • K991367Meditron Stethoscope SystemMeditron AS · 1999 · 2 generations on51descendants
  • K0419343M Littmann Electronic Stethoscope, Model 30003M Company · 2004 · 2 generations on50descendants
  • K050159Modification to: 3M Littmann Electronic Stethoscope, Model 30003M Company · 2005 · 3 generations on48descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K771653Electronic Stethoscope3M Company1977—
+1K9618483M Littmann Electronic StethoscopeMinnesota Mining and Mfg. Co.1997—
+1K961857Labtron Electromax Electronic Stethoscope Model NO. 04-1060Graham-Field, Inc.1996—
+2K991367Meditron Stethoscope SystemMeditron AS1999—
+2K0419343M Littmann Electronic Stethoscope, Model 30003M Company2004—
+3K050159Modification to: 3M Littmann Electronic Stethoscope, Model 30003M Company2005—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199610
199710
199910
200110
200210
200320
200410
200520
200620
200730
200810
200940
201020
201120
201220
201350
201510
201630
201710
201850
201940
202060
202140
202290
202390
202430
202550
202650
FIG. 1 — Lineage of K771653, 1977–2026Source: 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), 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. #1 K200776 Eko COREscore 25.2 · 8 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) 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? (86)

See all 86

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K9618483M Littmann Electronic StethoscopeMinnesota Mining and Mfg. Co.199754
K961857Labtron Electromax Electronic Stethoscope Model NO. 04-1060Graham-Field, Inc.199654

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, K961848 (Minnesota Mining and Mfg. Co., 1997) has gone furthest, with 54 descendants of its own.

How does its category compare?

All DQD devices

DQD Stethoscope, Electronic: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DQD

3in 2025

2007: 22008: 12009: 62010: 12011: 42012: 22013: 52015: 22016: 32017: 42018: 42019: 42020: 62021: 42022: 82023: 102024: 42025: 32026 (partial year): 6
2007high 10 (2023) · low 0 (2014)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DQD

89in 2025

2009: 161 days median2011: 107 days median2013: 70 days median2016: 250 days median2017: 109 days median2018: 131 days median2019: 262 days median2020: 104 days median2021: 137 days median2022: 203 days median2023: 132 days median2024: 153 days median2025: 89 days median2026 (partial year): 236 days median
2007high 262 (2019) · low 70 (2013)2026

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

2011: 12013: 12024: 1
2007high 1 (2011) · low 0 (2007)2025

MAUDE reports naming product code DQD, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20072—00
20081—00
2009616100
20101—00
2011410701
20122—00
201357001
20140—00
20152—00
2016325000
2017410900
2018413100
2019426200
2020610400
2021413700
2022820300
20231013200
2024415301
202538900
202662360—
Cite this page

510(k) Report. “K771653: Electronic Stethoscope.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K771653

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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