510(k) Report

510(k) · Cleared

Cleared

Neuro Assessment System NAS-1000

K172892510(k) TraditionalCleared Mar 8, 2018167-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

Headsense Medical, Inc. · QBE Cranial Sound Monitor

Cleared on Mar 8, 2018 as substantially equivalent to K083903 (3M Company, 2009) after a 167-day review. Its family tree reaches back 5 generations to 1977.

Decided
Mar 8, 2018
Review
167 days
Class
Class II
Product code
QBE
Recalls
None
Predicates
1

Its longest line of descent runs back 5 generations to K771653 (1977). 7 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 5 generations backK771653 Electronic Stethoscope3M Company · 1977
  2. 4 generations backK961848 3M Littmann Electronic StethoscopeMinnesota Mining and Mfg. Co. · 1997
  3. 3 generations backK041934 3M Littmann Electronic Stethoscope, Model 30003M Company · 2004
  4. 2 generations backK050159 Modification to: 3M Littmann Electronic Stethoscope, Model 30003M Company · 2005
  5. 1 generation backK083903 3M Littmann Electronic Stethoscope, Model 32003M Company · 2009
  6. This deviceK172892 Neuro Assessment System NAS-1000Headsense Medical, Inc. · 2018
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K771653Electronic Stethoscope3M Company1977—
−4K9618483M Littmann Electronic StethoscopeMinnesota Mining and Mfg. Co.1997—
−3K0419343M Littmann Electronic Stethoscope, Model 30003M Company2004—
−2K050159Modification to: 3M Littmann Electronic Stethoscope, Model 30003M Company2005—
−1K0839033M Littmann Electronic Stethoscope, Model 32003M Company2009—
0 (this device)K172892Neuro Assessment System NAS-1000Headsense Medical, Inc.2018—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200110
200510
FIG. 1 — Lineage of K172892, 1977–2018Source: 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.

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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
*K0839033M Littmann Electronic Stethoscope, Model 3200
Summary page 5
…CE(S) [807.92(a)(3)] The predicate device to support substantial equivalence of the NAS-1000 System is the 3M™ Littmann® Electronic Stethoscope, Model 3200 cleared under K083903. DEVICE DESCRIPTION [807.92(a)(4)] The NAS-1000 System is a non-invasive, non-energy emitting device indicated for monitoring an…
3M Company2009—

Also cleared against K083903: 16 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 41 years and passes through 3 companies; a new generation was cleared every 7.1 years on median.
  • None of the 7 ancestors has a recall.
  • 16 other devices also cite its predicate K083903.

How does its category compare?

All QBE devices

QBE Cranial Sound Monitor: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.

FDA decisions per year · QBE

1in 2018

2018: 1
2007high 1 (2018) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · QBE

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

Recalls per year · QBE

No recall names QBE since 2007.

Adverse event reports per year · QBE

No MAUDE report names QBE 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
20140—00
20150—00
20160—00
20170—00
20181—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—

What is it indicated for?

The NAS-1000 System is a medical acoustic system intended as an adjunct to standard clinical practice for use in non-invasively monitoring, detecting, recording and displaying acoustic signals in the brain. It is used for any subject undergoing a physical examination and intended only for medical assessment purposes in a clinic or hospital.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K172892: Neuro Assessment System NAS-1000.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K172892

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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