510(k) Report

510(k) · Cleared

Cleared

Topographic Brain Mapping Option

K934050510(k) TraditionalCleared Feb 3, 1994168-day reviewClass II21 CFR 882.1400

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

Biosound, Inc. · OLT Non-Normalizing Quantitative Electroencephalograph Software

Cleared on Feb 3, 1994 after a 168-day review. FDA’s file for it is a 510(k) statement, which names no predicate.

Decided
Feb 3, 1994
Review
168 days
Class
Class II
Product code
OLT
Recalls
None
Predicates
0

FDA’s file for it is a 510(k) statement, which names no predicate.

FIG. 1 — Lineage of K934050Source: FDA 510(k) database · 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 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in OLT? 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 OLT device

  1. #1 K253767 UB ERP Systemscore 14.9 · 12 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?

FDA’s file for it is a 510(k) statement, which names no predicate.

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.

How does its category compare?

All OLT devices

OLT Non-Normalizing Quantitative Electroencephalograph Software: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · OLT

2in 2025

2007: 12008: 22009: 22013: 12014: 12015: 52019: 22020: 12022: 22024: 12025: 22026 (partial year): 3
2007high 5 (2015) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OLT

266in 2015

2015: 266 days median2026 (partial year): 217 days median
2007high 266 (2015)2026

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

Recalls per year · OLT

No recall names OLT since 2007.

Adverse event reports per year · OLT

3in 2025

2016: 12017: 22018: 72019: 22020: 12021: 62022: 42023: 52024: 42025: 3
2007high 7 (2018) · low 0 (2007)2025

MAUDE reports naming product code OLT, 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
20071—00
20082—00
20092—00
20100—00
20110—00
20120—00
20131—00
20141—00
2015526600
20160—01
20170—02
20180—07
20192—02
20201—01
20210—06
20222—04
20230—05
20241—04
20252—03
202632170—
Cite this page

510(k) Report. “K934050: Topographic Brain Mapping Option.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K934050

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Page last updated Nov 3, 2026