510(k) Report

510(k) · Cleared

Cleared

Techno-Scope Visual Stethoscope

K050097510(k) TraditionalCleared Sep 30, 2005259-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

Techtrade, LLC · DQD Stethoscope, Electronic

Cleared on Sep 30, 2005 as substantially equivalent to K990809 (Caditec AG, 1999) after a 259-day review. Its family tree reaches back 2 generations to 1995.

Decided
Sep 30, 2005
Review
259 days
Class
Class II
Product code
DQD
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K954066 (1995). 3 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 1996: 1 other ancestorK954066 · Miniscope MS-3 · Schiller America, Inc. · 1995K990809 · Cadiscope Electronic Stethoscope · Caditec AG · 1999199619982000200220042006
Other ancestors, by generation 2 generations back: 1 other ancestor K990809 · Cadiscope Electronic Stethoscope · Caditec AG · 1999K954066 · Miniscope MS-3 · Schiller America, Inc. · 19950
  1. Root · 2 generations backK954066 Miniscope MS-3Schiller America, Inc. · 1995
  2. 1 generation backK990809 Cadiscope Electronic StethoscopeCaditec AG · 1999
  3. This deviceK050097 Techno-Scope Visual StethoscopeTechtrade, LLC · 2005
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K954066Miniscope MS-3Schiller America, Inc.1995—
−1K990809Cadiscope Electronic StethoscopeCaditec AG1999—
0 (this device)K050097Techno-Scope Visual StethoscopeTechtrade, LLC2005—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199610
FIG. 1 — Lineage of K050097, 1995–2005Source: 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 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
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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
*K990809Cadiscope Electronic Stethoscope
Summary page 1
…alence [807.92(a)(3)]: Applicant Device I510(k) CADITEC AG ICADISCOPE ELECTRONIC STETHOSCOPE IK990809 Description of the device: The Techno-Scope TM Visual Stethoscope is comprised of a manual stethoscope which can…
Caditec AG1999—

Also cleared against K990809: 5 other devices →

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 10 years and passes through 3 companies; a new generation was cleared every 6.3 years on median.
  • None of the 3 ancestors has a recall.
  • 5 other devices also cite its predicate K990809.

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—

What is it indicated for?

The Techno-Scope projects sounds associated with the heart, arteries, and veins and other internal organs. It also acquires the electrical signal from electrodes and produces a visual display of the electrocardiograph signal and heart rate.

The Techno-Scope is not intended to be used as a diagnostic device.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K050097: Techno-Scope Visual Stethoscope.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K050097

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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