510(k) Report

510(k) · Cleared

Cleared

Nim-PRS

K024316510(k) TraditionalCleared Jan 6, 200311-day reviewClass II21 CFR 890.1375

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

Medtronic Xomed, Inc. · IKN Electromyograph, Diagnostic

Cleared on Jan 6, 2003 as substantially equivalent to K982595 (Xomed, Inc., 1998) after an 11-day review. Its family tree reaches back 2 generations to 1994. 1 of the 34 devices in its family, counting itself, has a Class I recall. 31 later devices descend from it.

Decided
Jan 6, 2003
Review
11 days
Class
Class II
Product code
IKN
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K934426 (1994). 31 later devices descend from it, 1 citing it directly. 1 of the 34 devices in this family, counting this one, has a Class I recall.

Descendants, by year cleared 2009: 1 descendant cleared2018: 4 descendants cleared2017: 2 descendants cleared2011: 1 descendant cleared2020: 1 descendant cleared, 1 with a Class I recall12019: 3 descendants cleared2016: 1 descendant cleared2023: 5 descendants cleared2022: 3 descendants cleared2026: 5 descendants cleared2021: 2 descendants cleared2025: 2 descendants cleared2024: 1 descendant clearedK934426 · Nerve Integrity Monitor-2 (Nim-2 XL) · Xomed-Treace, Inc. · 1994K982595 · NIM4 · Xomed, Inc. · 19981990200020102020
Descendants, by generation 1 generation forward: 1 descendant2 generations forward: 6 descendants, 1 with a Class I recall13 generations forward: 10 descendants4 generations forward: 7 descendants5 generations forward: 6 descendants6 generations forward: 1 descendant K982595 · NIM4 · Xomed, Inc. · 1998K934426 · Nerve Integrity Monitor-2 (Nim-2 XL) · Xomed-Treace, Inc. · 19940+5
  1. Root · 2 generations backK934426 Nerve Integrity Monitor-2 (Nim-2 XL)Xomed-Treace, Inc. · 1994
  2. 1 generation backK982595 NIM4Xomed, Inc. · 1998
  3. This deviceK024316 Nim-PRSMedtronic Xomed, Inc. · 2003
  4. Descendant · cites it directly · 30 of its ownK083124 NIM 3.0Medtronic Xomed, Inc. · 2009 · Recalled
  5. Descendant · 2 generations on · 9 of its ownK182542 The EPAD 2 SystemSafeop Surgical, Inc. · 2019
  6. Descendant · 2 generations on · 7 of its ownK162313 NuVasive Next Generation NVM5 SystemNu Vasive, Incorporated · 2017
  7. Descendant · 2 generations on · 7 of its ownK162199 Cascade IOMAX Intraoperative MonitorCadwell Industries, Inc. · 2017 · Recalled
  8. Descendant · 3 generations on · 5 of its ownK212166 ISIS Headboxes, ISIS Neurostimulator, ISIS Xpert Plus, ISIS Xpert…Inomed Medizintechnik GmbH · 2022

Showing 5 of 31 descendants. See all descendants

Descendants cleared per year

2009: 12011: 12016: 12017: 22018: 42019: 32020: 12021: 22022: 32023: 52024: 12025: 22026: 5
2009high 5 (2023) · low 0 (2010)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 31 · See all
  • K083124NIM 3.0Medtronic Xomed, Inc. · 2009 · cites it directly30descendants
  • K182542The EPAD 2 SystemSafeop Surgical, Inc. · 2019 · 2 generations on9descendants
  • K162313NuVasive Next Generation NVM5 SystemNu Vasive, Incorporated · 2017 · 2 generations on7descendants
  • K162199Cascade IOMAX Intraoperative MonitorCadwell Industries, Inc. · 2017 · 2 generations on7descendants
  • K212166ISIS Headboxes, ISIS Neurostimulator, ISIS Xpert Plus, ISIS Xpert, ISIS XpressInomed Medizintechnik GmbH · 2022 · 3 generations on5descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K934426Nerve Integrity Monitor-2 (Nim-2 XL)Xomed-Treace, Inc.1994—
−1K982595NIM4Xomed, Inc.1998—
0 (this device)K024316Nim-PRSMedtronic Xomed, Inc.2003—
+1K083124NIM 3.0Medtronic Xomed, Inc.20093
+2K182542The EPAD 2 SystemSafeop Surgical, Inc.2019—
+2K162313NuVasive Next Generation NVM5 SystemNu Vasive, Incorporated2017—
+2K162199Cascade IOMAX Intraoperative MonitorCadwell Industries, Inc.20173
+3K212166ISIS Headboxes, ISIS Neurostimulator, ISIS Xpert Plus, ISIS Xpert, ISIS XpressInomed Medizintechnik GmbH2022—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200910
201110
201610
201720
201840
201930
202011
202120
202230
202350
202410
202520
202650
FIG. 1 — Lineage of K024316, 1994–2026Source: 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.

  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin 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
*K982595NIM4
Summary page 2
…ion, design, technology, system features, functions, and the principle of operation of the NIM-PRS are substantially equivalent to the Medtronic Xomed NIM-4 (K982 5 95). Characteristic NIM-4 (K982595) VIM-PRS…
Xomed, Inc.1998—

Also cleared against K982595: 1 other device →

What descends from it? (31)

See all 31

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

NumberDeviceApplicantDecidedDescendants
K083124NIM 3.0Medtronic Xomed, Inc.200930

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.

  • K200759NIM Vital, Nerve Integrity MonitorMedtronic Xomed, Inc. · 2020 · 2 generations on · ◆ in the 2020 descendants bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 9 years and passes through 3 companies; a new generation was cleared every 4.3 years on median.
  • None of the 2 ancestors has a recall.
  • Of its descendants, K083124 (Medtronic Xomed, Inc., 2009) has gone furthest, with 30 descendants of its own.
  • 1 other device also cites its predicate K982595.

How does its category compare?

All IKN devices

IKN Electromyograph, Diagnostic: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · IKN

3in 2017

2007: 12008: 12009: 12011: 22012: 12013: 22014: 12015: 12017: 3
2007high 3 (2017) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · IKN

188in 2017

2017: 188 days median
2007high 188 (2017)2026

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

Recalls per year · IKN

1in 2010

2010: 1
2007high 1 (2010) · low 0 (2007)2026

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

Adverse event reports per year · IKN

3in 2025

2009: 22010: 12011: 42012: 42013: 242014: 32015: 132016: 112017: 22018: 52019: 62020: 12021: 22022: 22024: 12025: 3
2007high 24 (2013) · low 0 (2007)2025

MAUDE reports naming product code IKN, 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
20081—00
20091—02
20100—11
20112—04
20121—04
20132—024
20141—03
20151—013
20160—011
2017318802
20180—05
20190—06
20200—01
20210—02
20220—02
20230—00
20240—01
20250—03
20260—0—

What is it indicated for?

This device is indicated for use in surgical procedures for patient-connected intraoperative nerve monitoring, i.e. assisting the surgeon in locating and mapping motor nerves through the use of electromyographic (EMG) signals and electrical stimulus of nerves.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K024316: Nim-PRS.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K024316

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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