510(k) Report

510(k) · Cleared

Cleared

B Smart Model 1

K961817510(k) TraditionalCleared Jul 23, 1997439-day reviewClass II21 CFR 882.5050

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

Koven Technology, Inc. · LEL Device, Sleep Assessment

Cleared on Jul 23, 1997 as substantially equivalent to K873535 (Nicolet Biomedical Instruments, 1987) after a 439-day review. Its family tree reaches back 1 generation to 1987.

Decided
Jul 23, 1997
Review
439 days
Class
Class II
Product code
LEL
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K873535 (1987). No later device cites it as a predicate yet.

K873535 · Nicolet Expert Sleep/Wake Analysis System · Nicolet Biomedical Instruments · 19871986198819901992199419961998
  1. Root · 1 generation backK873535 Nicolet Expert Sleep/Wake Analysis SystemNicolet Biomedical Instruments · 1987
  2. This deviceK961817 B Smart Model 1Koven Technology, Inc. · 1997
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K873535Nicolet Expert Sleep/Wake Analysis SystemNicolet Biomedical Instruments1987—
0 (this device)K961817B Smart Model 1Koven Technology, Inc.1997—
FIG. 1 — Lineage of K961817, 1987–1997Source: 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 LEL? 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 LEL device

  1. #1 K252981 EmbraceMiniscore 23.2 · 40 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
*K873535Nicolet Expert Sleep/Wake Analysis System
Summary page 1
…(Buchbinder Sensory Motor Activated Response Timer) Sensory Response Timer Evoked Response Mechanical Stimulator [84 GZP, 882.1880] Expert Sleep/Wake Analysis System K873535 October 26, 1987 The B SMART Sensory Response Timer system consists of two components connected by an electrical cable. These c…
Nicolet Biomedical Instruments1987—

Also cleared against K873535: 1 other device →

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?

  • Its one ancestor has no recall.
  • 1 other device also cites its predicate K873535.

How does its category compare?

All LEL devices

LEL Device, Sleep Assessment: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LEL

3in 2025

2011: 12014: 12016: 12018: 12023: 12024: 22025: 3
2007high 3 (2025) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LEL

96in 2025

2025: 96 days median
2007high 96 (2025)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · LEL

No recall names LEL since 2007.

Adverse event reports per year · LEL

1in 2021

2007: 12012: 12018: 32021: 1
2007high 3 (2018) · low 0 (2008)2025

MAUDE reports naming product code LEL, 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
20070—01
20080—00
20090—00
20100—00
20111—00
20120—01
20130—00
20141—00
20150—00
20161—00
20170—00
20181—03
20190—00
20200—00
20210—01
20220—00
20231—00
20242—00
202539600
20260—0—

What is it indicated for?

The B SMART Sensory Response Timer is indicated for use in evaluating neurological status during surgery under regional anesthesia by monitoring the capability of the patient to detect and to respond to a timed series of mechanical and auditory stimuli.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K961817: B Smart Model 1.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K961817

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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