510(k) Report

510(k) · Cleared

Cleared

Wireless Audio System

K173409510(k) TraditionalCleared Feb 16, 2018107-day reviewClass II21 CFR 892.1000

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

Neocoil, LLC · LNH System, Nuclear Magnetic Resonance Imaging

Cleared on Feb 16, 2018 as substantially equivalent to K133670 (Neocoil, LLC, 2014) after a 107-day review. Its family tree reaches back 4 generations to 1993. 1 later device descends from it.

Decided
Feb 16, 2018
Review
107 days
Class
Class II
Product code
LNH
Recalls
None
Predicates
1

Its longest line of descent runs back 4 generations to K921891 (1993). 1 later device descends from it, 1 citing it directly.

  1. Root · 4 generations backK921891 Silent ScanAvotec, Inc. · 1993
  2. 3 generations backK994351 M.R. Vision 2000 Ultra Audio Visual System / Commander X6 SystemResonance Technology, Inc. · 2000 · Recalled
  3. 2 generations backK103507 Medical Visors MV100Medical Visors, Inc. · 2011
  4. 1 generation backK133670 Headphones, Patient Alert, Standalone InterfaceNeocoil, LLC · 2014
  5. This deviceK173409 Wireless Audio SystemNeocoil, LLC · 2018
  6. Descendant · cites it directly · 0 of its ownK193218 Innovision AudioInnovere Medical, Inc. · 2020

Most influential descendants

Showing 1 of 1 · See all
  • K193218Innovision AudioInnovere Medical, Inc. · 2020 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K921891Silent ScanAvotec, Inc.1993—
−3K994351M.R. Vision 2000 Ultra Audio Visual System / Commander X6 SystemResonance Technology, Inc.20002
−2K103507Medical Visors MV100Medical Visors, Inc.2011—
−1K133670Headphones, Patient Alert, Standalone InterfaceNeocoil, LLC2014—
0 (this device)K173409Wireless Audio SystemNeocoil, LLC2018—
+1K193218Innovision AudioInnovere Medical, Inc.2020—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202010
FIG. 1 — Lineage of K173409, 1993–2020Source: 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 LNH? 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 LNH device

  1. #1 K213693 MAGNETOM Vida with syngo MR XA50Ascore 23.0 · 18 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
*K133670Headphones, Patient Alert, Standalone Interface
Summary page 4
…ones, a remote audio data source unit, and communications infrastructure. 5.7. Predicate Device • Patient Communication and Entertainment System , K133670, as cleared on 07/24/2014 5.8. Comparison to Predicate The NeoCoil Wireless Audio System…
Neocoil, LLC2014—

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K193218Innovision AudioInnovere Medical, Inc.20200

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?

  • The line of descent spans 25 years and passes through 4 companies; a new generation was cleared every 6.9 years on median.
  • 1 of the 4 ancestors has a recall of any class.
  • Of its descendants, K193218 (Innovere Medical, Inc., 2020) has gone furthest, with 0 descendants of its own.

How does its category compare?

All LNH devices

LNH System, Nuclear Magnetic Resonance Imaging: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.

FDA decisions per year · LNH

26in 2025

2007: 122008: 192009: 172010: 122011: 162012: 222013: 192014: 172015: 192016: 202017: 182018: 292019: 262020: 322021: 272022: 302023: 302024: 262025: 262026 (partial year): 24
2007high 32 (2020) · low 12 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LNH

122in 2025

2007: 35 days median2008: 53 days median2009: 70 days median2010: 94 days median2011: 81 days median2012: 89 days median2013: 108 days median2014: 108 days median2015: 140 days median2016: 108 days median2017: 98 days median2018: 128 days median2019: 62 days median2020: 121 days median2021: 87 days median2022: 74 days median2023: 124 days median2024: 104 days median2025: 122 days median2026 (partial year): 126 days median
2007high 140 (2015) · low 35 (2007)2026

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

Recalls per year · LNH

8in 2025

2007: 252008: 122009: 72010: 172011: 112012: 52013: 22014: 132015: 12, 2 Class I2016: 12018: 712019: 52020: 42021: 412022: 132023: 10, 1 Class I2024: 42025: 8, 5 Class I2026 (partial year): 43
2007high 71 (2018) · low 0 (2017)2026

Class I (8 since 2007) Class II/III not classified

Adverse event reports per year · LNH

1,263in 2025

2007: 1142008: 1672009: 1942010: 1652011: 1822012: 1702013: 1072014: 1192015: 1132016: 1352017: 1212018: 1582019: 1582020: 982021: 842022: 1382023: 1592024: 2812025: 1,263
2007high 1,263 (2025) · low 84 (2021)2025

MAUDE reports naming product code LNH, 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
2007123525114
2008195312167
200917707194
2010129417165
2011168111182
201222895170
2013191082107
20141710813119
20151914012 (2)113
2016201081135
201718980121
20182912871158
201926625158
202032121498
202127874184
2022307413138
20233012410 (1)159
2024261044281
2025261228 (5)1,263
20262412643—

What is it indicated for?

The NeoCoil Wireless Audio System is intended to provide entertainment and facilitate patient communication in MRI environments at 3 Tesla field strength and below.

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. “K173409: Wireless Audio System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K173409

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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