510(k) Report

510(k) · Cleared

Cleared

Galileo Halley

K970703510(k) TraditionalCleared May 19, 199782-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 Esaote, Inc. · GWQ Full-Montage Standard Electroencephalograph

Cleared on May 19, 1997 as substantially equivalent to K923950 (Biosound, Inc., 1993) after an 82-day review. Its family tree reaches back 1 generation to 1993.

Decided
May 19, 1997
Review
82 days
Class
Class II
Product code
GWQ
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K923950 (1993). No later device cites it as a predicate yet.

K923950 · The Galileo Vega-24 Electroencephalograph · Biosound, Inc. · 199319901992199419961998
  1. Root · 1 generation backK923950 The Galileo Vega-24 ElectroencephalographBiosound, Inc. · 1993
  2. This deviceK970703 Galileo HalleyBiosound Esaote, Inc. · 1997
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K923950The Galileo Vega-24 ElectroencephalographBiosound, Inc.1993—
0 (this device)K970703Galileo HalleyBiosound Esaote, Inc.1997—
FIG. 1 — Lineage of K970703, 1993–1997Source: 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 GWQ? 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 GWQ device

  1. #1 K260455 New Wave Systemscore 13.7 · 10 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
*K923950The Galileo Vega-24 Electroencephalograph
Summary page 2
…o Halley Biosound Fsaole Trade Name: Common Name: Classification Name(s): Classification Number: Esaote Esaote Additional Substant 84 GWQ ate Device(s) Vega 24 K923950 | Eguivalence Information is provided in the following substantial Equivalence Comfiifimn Table. €8 Hovd PREEEEV BEEREBEEEBE0 BA…
Biosound, Inc.1993—

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.

How does its category compare?

All GWQ devices

GWQ Full-Montage Standard Electroencephalograph: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · GWQ

1in 2024

2007: 12008: 22010: 32011: 42012: 42013: 22014: 22015: 32016: 32017: 52018: 82020: 62022: 32023: 62024: 12026 (partial year): 2
2007high 8 (2018) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GWQ

137in 2023

2010: 73 days median2011: 220 days median2012: 208 days median2015: 276 days median2016: 50 days median2017: 181 days median2018: 150 days median2020: 216 days median2022: 216 days median2023: 137 days median
2007high 276 (2015) · low 50 (2016)2026

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

Recalls per year · GWQ

1in 2020

2007: 52008: 22009: 12010: 12015: 22019: 22020: 12026 (partial year): 1
2007high 5 (2007) · low 0 (2011)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · GWQ

13in 2025

2007: 112008: 82009: 72010: 122011: 62012: 92013: 42014: 72015: 132016: 282017: 172018: 152019: 162020: 302021: 202022: 162023: 202024: 172025: 13
2007high 30 (2020) · low 4 (2013)2025

MAUDE reports naming product code GWQ, 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—511
20082—28
20090—17
2010373112
2011422006
2012420809
20132—04
20142—07
20153276213
2016350028
20175181017
20188150015
20190—216
20206216130
20210—020
20223216016
20236137020
20241—017
20250—013
20262—1—

What is it indicated for?

The intended use is for acquisition and storage of bioelectric signals produced by brain activity for the diagnosis and prognosis of neurological disease.

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. “K970703: Galileo Halley.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K970703

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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