510(k) Report

510(k) · Cleared

Cleared

Disposable Laryngeal Electrodes

K232888510(k) TraditionalCleared Dec 21, 202394-day reviewClass II21 CFR 874.1820

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

Suzhou Haishen Medical Device Associates Co., Ltd. · ETN Stimulator, Nerve

Cleared on Dec 21, 2023 as substantially equivalent to K091874 (Inomed Medizintechnik GmbH, 2009) after a 94-day review. Its family tree reaches back 3 generations to 1993. 1 of the 5 devices in its family, counting itself, has a Class I recall.

Decided
Dec 21, 2023
Review
94 days
Class
Class II
Product code
ETN
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K925640 (1993). 4 ancestors in all. No later device cites it as a predicate yet. 1 of the 5 devices in this family, counting this one, has a Class I recall.

  1. Root · 3 generations backK925640 Xomed-Treace Emg Endotracheal TubeenXomed-Treace, Inc. · 1993 · Recalled (Class I)
  2. 2 generations backK071349 Neurosign Laryngeal ElectrodesThe Magstim Company, Ltd. · 2007
  3. 1 generation backK091874 Inomed Adhesive Laryngeal Electrodes, Models 530655, 530656Inomed Medizintechnik GmbH · 2009
  4. This deviceK232888 Disposable Laryngeal ElectrodesSuzhou Haishen Medical Device Associates Co., Ltd. · 2023

Class I recalls in this family

View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K925640Xomed-Treace Emg Endotracheal TubeenXomed-Treace, Inc.1993Class I
−2K071349Neurosign Laryngeal ElectrodesThe Magstim Company, Ltd.2007—
−1K091874Inomed Adhesive Laryngeal Electrodes, Models 530655, 530656Inomed Medizintechnik GmbH2009—
0 (this device)K232888Disposable Laryngeal ElectrodesSuzhou Haishen Medical Device Associates Co., Ltd.2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200110
FIG. 1 — Lineage of K232888, 1993–2023Source: 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.

1 device in this family has a Class I recall. 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 ETN device

  1. #1 K251672 NIM Essence™ EMG Endotracheal Tube…score 12.3 · 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
*K091874Inomed Adhesive Laryngeal Electrodes, Models 530655, 530656
Summary page 4
…lassification Name: Stimulator, Nerve 4. Primary Predicate Device Manufacturer: Inomed Medizintechnik GmbH Trade name: Inomed Adhesive Laryngeal Electrode 510(K) Number: K091874 Regulation Number: 21 CFR 874.1820 Product Codes: ETN Classification Panel: Ear Nose & Throat Classification Name: Stimulator, Ne…
Inomed Medizintechnik GmbH2009—

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (1 Class I)

No FDA recall names this device.

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

  • K925640Xomed-Treace Emg Endotracheal TubeenXomed-Treace, Inc. · 1993 · 3 generations back · ◆ on the line of descent in FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 30 years and passes through 4 companies; a new generation was cleared every 14.1 years on median.
  • 2 of the 4 ancestors have a recall of any class; 1 has a Class I recall.

How does its category compare?

All ETN devices

ETN Stimulator, Nerve: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.

FDA decisions per year · ETN

1in 2025

2007: 22008: 22009: 52010: 32011: 92012: 72013: 12014: 22015: 12016: 22020: 12021: 12022: 22023: 52024: 22025: 12026 (partial year): 2
2007high 9 (2011) · low 0 (2017)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · ETN

98in 2023

2009: 115 days median2010: 168 days median2011: 115 days median2012: 179 days median2023: 98 days median
2007high 179 (2012) · low 98 (2023)2026

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

Recalls per year · ETN

1in 2023

2008: 12010: 12016: 12019: 22020: 12021: 12023: 1
2007high 2 (2019) · low 0 (2007)2026

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

Adverse event reports per year · ETN

1,145in 2025

2007: 52008: 52009: 222010: 262011: 552012: 1872013: 2702014: 1372015: 2022016: 1452017: 1172018: 2502019: 3142020: 2382021: 1972022: 2472023: 3902024: 7482025: 1,145
2007high 1,145 (2025) · low 5 (2007)2025

MAUDE reports naming product code ETN, 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
20072—05
20082—15
20095115022
20103168126
20119115055
201271790187
20131—0270
20142—0137
20151—0202
20162—1145
20170—0117
20180—0250
20190—2314
20201—1238
20211—1197
20222—0247
20235981390
20242—0748
20251—01,145
20262—0—

What is it indicated for?

The disposable laryngeal electrodes are intended to be used as a disposable, self-adhesive electrodes attached to an endotracheal tube and positioned for continuous EMG monitoring of the larynx during surgical procedures.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K232888: Disposable Laryngeal Electrodes.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K232888

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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