510(k) Report

510(k) · Cleared

Recalled · Class II · 2025

Checkpoint Guardian Intraoperative Lead, Medium, Checkpoint Guardian Intraoperative Lead, Large

K212355510(k) SpecialCleared Aug 26, 202128-day reviewClass II21 CFR 874.1820Recalls 2

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

Checkpoint Surgical · ETN Stimulator, Nerve

Cleared on Aug 26, 2021 as substantially equivalent to K092292 (Ndi Medical, LLC, 2009) after a 28-day review. Its family tree reaches back 3 generations to 1991. It has been recalled 2 times.

Decided
Aug 26, 2021
Review
28 days
Class
Class II
Product code
ETN
Recalls
2
Predicates
1

Its longest line of descent runs back 3 generations to K905045 (1991). 4 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 1994: 1 other ancestorK905045 · Nerve Locator/Stimulator · Aaron Medical Industries · 1991K061365 · Checkpoint with Accustim Technology · Ndi Medical, LLC · 2006K092292 · Checkpoint · Ndi Medical, LLC · 20091990199520002005201020152020
  1. Root · 3 generations backK905045 Nerve Locator/StimulatorAaron Medical Industries · 1991
  2. 2 generations backK061365 Checkpoint with Accustim TechnologyNdi Medical, LLC · 2006
  3. 1 generation backK092292 CheckpointNdi Medical, LLC · 2009
  4. This deviceK212355 Checkpoint Guardian Intraoperative Lead, Medium, Checkpoint Guardian…Checkpoint Surgical · 2021
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K905045Nerve Locator/StimulatorAaron Medical Industries1991—
−2K061365Checkpoint with Accustim TechnologyNdi Medical, LLC2006—
−1K092292CheckpointNdi Medical, LLC2009—
0 (this device)K212355Checkpoint Guardian Intraoperative Lead, Medium, Checkpoint Guardian…Checkpoint Surgical2021—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410
FIG. 1 — Lineage of K212355, 1991–2021Source: 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 ETN? 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
*K092292Checkpoint
Summary page 4
…turer Trade Name Product Code Submission # Checkpoint Surgical Checkpoint ETN K092292 5 Description of Device The Checkpoint Guardian Intraoperative Leads are single-patient disposable accessories for…
Ndi Medical, LLC2009—

Also cleared against K092292: 2 other devices →

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Feb 24, 2025Class IIZ-1466-2025Process controlAdhesive on the back of the lead may not fully encapsulate the metallic portion of the wire and button subassembly, potentially leading to exposed metal. There is a risk of electrical current leakage, which may lead to inconsistent or…
Feb 24, 2025Class IIZ-1467-2025Process controlAdhesive on the back of the lead may not fully encapsulate the metallic portion of the wire and button subassembly, potentially leading to exposed metal. There is a risk of electrical current leakage, which may lead to inconsistent or…

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 30 years and passes through 3 companies; a new generation was cleared every 11.8 years on median.
  • None of the 4 ancestors has a recall.
  • 2 other devices also cite its predicate K092292.

How does its category compare?

All ETN devices

ETN Stimulator, Nerve: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, 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 Checkpoint Guardian Intraoperative Lead is a single-use, sterile medical device accessory intended to be used with Checkpoint Stimulators to provide electrical stimulation of exposed motor nerves or muscle tissue to locate and identify nerves and to test nerve and muscle excitability.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K212355: Checkpoint Guardian Intraoperative Lead, Medium, Checkpoint Guardian Intraoperative Lead, Large.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K212355

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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