510(k) Report

510(k) · Cleared

Cleared

Bis Quatro Sensor

K093183510(k) TraditionalCleared Oct 23, 200914-day reviewClass II21 CFR 882.1320

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

Aspect Medical Systems, Inc. · GXY Electrode, Cutaneous

Cleared on Oct 23, 2009 as substantially equivalent to K002734 (Aspect Medical Systems, Inc., 2000) after a 14-day review. Its family tree reaches back 1 generation to 2000. 5 later devices descend from it.

Decided
Oct 23, 2009
Review
14 days
Class
Class II
Product code
GXY
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K002734 (2000). 5 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2015: 1 descendant cleared2023: 2 descendants cleared2024: 2 descendants clearedK002734 · Aspect Medical Sytems Eeg Enhanced Bis Sensor 186-0106 · Aspect Medical Systems, Inc. · 2000200020052010201520202025
Descendants, by generation 1 generation forward: 1 descendant2 generations forward: 3 descendants3 generations forward: 1 descendant K002734 · Aspect Medical Sytems Eeg Enhanced Bis Sensor 186-0106 · Aspect Medical Systems, Inc. · 20000
  1. Root · 1 generation backK002734 Aspect Medical Sytems Eeg Enhanced Bis Sensor 186-0106Aspect Medical Systems, Inc. · 2000
  2. This deviceK093183 Bis Quatro SensorAspect Medical Systems, Inc. · 2009
  3. Descendant · cites it directly · 4 of its ownK143506 Bis Standard Sensor,1-Channel (3 Electrodes); Bis Pedi…Covidien · 2015
  4. Descendant · 2 generations on · 1 of its ownK220448 Disposable Non-invasive EEG SensorShenzhen Med-Link Electronics Tech Co., Ltd. · 2023
  5. Descendant · 2 generations on · 0 of its ownK241160 CAIs Sensor (CAIs-001)Brainu Co., Ltd. · 2024
  6. Descendant · 3 generations on · 0 of its ownK240668 Amydi-med Disposable Non-invasive EEG electrodesShenzhen Amydi-Med Electrics Tech Co., Ltd. · 2024
  7. Descendant · 2 generations on · 0 of its ownK222671 DeltaScan PatchProlira B.V. · 2023

Most influential descendants

Showing 5 of 5 · See all
  • K143506Bis Standard Sensor,1-Channel (3 Electrodes); Bis Pedi Sensor,1-Channel,3 Electrodes…Covidien · 2015 · cites it directly4descendants
  • K220448Disposable Non-invasive EEG SensorShenzhen Med-Link Electronics Tech Co., Ltd. · 2023 · 2 generations on1descendant
  • K241160CAIs Sensor (CAIs-001)Brainu Co., Ltd. · 2024 · 2 generations on0descendants
  • K240668Amydi-med Disposable Non-invasive EEG electrodesShenzhen Amydi-Med Electrics Tech Co., Ltd. · 2024 · 3 generations on0descendants
  • K222671DeltaScan PatchProlira B.V. · 2023 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K002734Aspect Medical Sytems Eeg Enhanced Bis Sensor 186-0106Aspect Medical Systems, Inc.2000—
0 (this device)K093183Bis Quatro SensorAspect Medical Systems, Inc.2009—
+1K143506Bis Standard Sensor,1-Channel (3 Electrodes); Bis Pedi Sensor,1-Channel,3…Covidien2015—
+2K220448Disposable Non-invasive EEG SensorShenzhen Med-Link Electronics Tech Co., Ltd.2023—
+2K241160CAIs Sensor (CAIs-001)Brainu Co., Ltd.2024—
+3K240668Amydi-med Disposable Non-invasive EEG electrodesShenzhen Amydi-Med Electrics Tech Co., Ltd.2024—
+2K222671DeltaScan PatchProlira B.V.2023—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201510
202320
202420
FIG. 1 — Lineage of K093183, 2000–2024Source: 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 GXY? 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 GXY device

  1. #1 K232052 Ceribell Instant EEG Headbandscore 16.3 · 6 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
*K002734Aspect Medical Sytems Eeg Enhanced Bis Sensor 186-0106
Summary page 1
…ood, Drug and Cosmetic Act for cutaneous electrodes. (21 CFR 882.1320). 6. Predicate Device Aspect Medical Systems Enhanced BIS Sensor This 5 10(k), # K002734, received FDA clearance on September 14, 2000 7. Device Description This 510(k) is being submitted for the BIS Quatro wh…
Aspect Medical Systems, Inc.2000—

Also cleared against K002734: 5 other devices →

What descends from it? (5)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K143506Bis Standard Sensor,1-Channel (3 Electrodes); Bis Pedi Sensor,1-Channel,3 Electrodes…Covidien20154

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.
  • Of its descendants, K143506 (Covidien, 2015) has gone furthest, with 4 descendants of its own.
  • 5 other devices also cite its predicate K002734.

How does its category compare?

All GXY devices

GXY Electrode, Cutaneous: FDA decisions, review times, recalls and adverse event reports over 20 years. 2009, this device’s year, is highlighted.

FDA decisions per year · GXY

6in 2025

2007: 72008: 92009: 172010: 32011: 62012: 92013: 72014: 92015: 62016: 62017: 92018: 142019: 92020: 42021: 122022: 52023: 132024: 72025: 62026 (partial year): 12
2007high 17 (2009) · low 3 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GXY

148in 2025

2007: 88 days median2008: 136 days median2009: 159 days median2010: 137 days median2011: 183 days median2012: 150 days median2013: 99 days median2014: 203 days median2015: 119 days median2016: 170 days median2017: 116 days median2018: 135 days median2019: 113 days median2020: 108 days median2021: 195 days median2022: 81 days median2023: 132 days median2024: 111 days median2025: 148 days median2026 (partial year): 70 days median
2007high 203 (2014) · low 81 (2022)2026

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

Recalls per year · GXY

2in 2023

2009: 42010: 12011: 52012: 42023: 2
2007high 5 (2011) · low 0 (2007)2026

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

Adverse event reports per year · GXY

58in 2025

2007: 142008: 172009: 152010: 142011: 162012: 162013: 152014: 112015: 192016: 152017: 112018: 102019: 192020: 112021: 212022: 342023: 252024: 512025: 58
2007high 58 (2025) · low 10 (2018)2025

MAUDE reports naming product code GXY, 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
2007788014
20089136017
200917159415
20103137114
20116183516
20129150416
2013799015
20149203011
20156119019
20166170015
20179116011
201814135010
20199113019
20204108011
202112195021
2022581034
202313132225
20247111051
20256148058
202612700—

What is it indicated for?

The BIS Quatro sensor is applied directly to the patient's skin to enable recordings of electrophysiological (such as EEG) signals.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K093183: Bis Quatro Sensor.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K093183

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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