510(k) Report

510(k) · Cleared

Cleared

SENTIO MMG Pedicle Access Needles

K173134510(k) TraditionalCleared Mar 22, 2018174-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

Medos International SARL · PDQ Neurosurgical Nerve Locator

Cleared on Mar 22, 2018 as substantially equivalent to K100992 (Innovative Surgical Solutions, LLC ("Iss"), 2010) and 1 other predicate after a 174-day review. Its family tree reaches back 8 generations to 1992. 1 later device descends from it.

Decided
Mar 22, 2018
Review
174 days
Class
Class II
Product code
PDQ
Recalls
None
Predicates
2

Its longest line of descent runs back 8 generations to K923056 (1992). 28 ancestors in all, the oldest K842956 (1984). 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2010: 1 other ancestor2008: 1 other ancestor2003: 2 other ancestors2000: 2 other ancestors2009: 1 other ancestor2002: 1 other ancestor1999: 2 other ancestors1992: 2 other ancestors1989: 1 other ancestor1988: 2 other ancestors1984: 1 other ancestor2006: 1 other ancestor1998: 1 other ancestor1997: 1 other ancestor1991: 1 other ancestor2023: 1 descendant clearedK923056 · Neurosign Model 100 · The Magstim Company, Ltd. · 1992 · recalledK991583 · Neurosign 400, 4 Channel Motor Nerve Monitor · The Magstim Company, Ltd. · 1999K050325 · Disposable Concentric Probe, Disposable Bipolar Probe, Disposable Monopolar Probe · Technomed Europe · 2005K062996 · Disposable Monopolar and Bipolar Stimulator Probes · Axon Systems, Inc. · 2007K063729 · Disposable Pedicle Screw Probe, Model 3603-00 · Technomed Europe · 2007K103128 · Cadwell Disposable Monopolar / Bipolar / Concentric / Flush Tip /Ball Tip Pedicle Screw Stimulator Probe, · Cadwell Lab, Inc. · 2011×2: 2 generations cleared close together, K111597 (2011), K112709 (2012) 19801990200020102020
  1. Root · 8 generations backK923056 Neurosign Model 100The Magstim Company, Ltd. · 1992 · Recalled
  2. 7 generations backK991583 Neurosign 400, 4 Channel Motor Nerve MonitorThe Magstim Company, Ltd. · 1999
  3. 6 generations backK050325 Disposable Concentric Probe, Disposable Bipolar Probe, Disposable…Technomed Europe · 2005
  4. 5 generations backK062996 Disposable Monopolar and Bipolar Stimulator ProbesAxon Systems, Inc. · 2007
  5. 4 generations backK063729 Disposable Pedicle Screw Probe, Model 3603-00Technomed Europe · 2007
  6. 3 generations backK103128 Cadwell Disposable Monopolar / Bipolar / Concentric / Flush Tip…Cadwell Lab, Inc. · 2011
  7. 2 generations backK111597 Disposable Stimulating ElectrodeNuvasive, Inc. · 2011
  8. 1 generation backK112709 Stimulation/Dissection InstrumentsNu Vasive, Incorporated · 2012
  9. This deviceK173134 SENTIO MMG Pedicle Access NeedlesMedos International SARL · 2018
  10. Descendant · cites it directly · 0 of its ownK223438 TELIGEN System Peripheral Motor Nerve Stimulation IndicationsMedos International SARL · 2023

Most influential descendants

Showing 1 of 1 · See all
  • K223438TELIGEN System Peripheral Motor Nerve Stimulation IndicationsMedos International SARL · 2023 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−8K923056Neurosign Model 100The Magstim Company, Ltd.19921
−7K991583Neurosign 400, 4 Channel Motor Nerve MonitorThe Magstim Company, Ltd.1999—
−6K050325Disposable Concentric Probe, Disposable Bipolar Probe, Disposable Monopolar…Technomed Europe2005—
−5K062996Disposable Monopolar and Bipolar Stimulator ProbesAxon Systems, Inc.2007—
−4K063729Disposable Pedicle Screw Probe, Model 3603-00Technomed Europe2007—
−3K103128Cadwell Disposable Monopolar / Bipolar / Concentric / Flush Tip /Ball Tip…Cadwell Lab, Inc.2011—
−2K111597Disposable Stimulating ElectrodeNuvasive, Inc.2011—
−1K112709Stimulation/Dissection InstrumentsNu Vasive, Incorporated2012—
0 (this device)K173134SENTIO MMG Pedicle Access NeedlesMedos International SARL2018—
+1K223438TELIGEN System Peripheral Motor Nerve Stimulation IndicationsMedos International SARL2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198410
198820
198910
199110
199220
199710
199810
199920
200020
200210
200320
200610
200810
200910
201010

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202310
FIG. 1 — Lineage of K173134, 1992–2023Source: 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.

Planning a device in PDQ? 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 PDQ device

  1. #1 K243636 Neuralytix iD3 System (NTX-9001)score 16.5 · 14 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (2)

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
*K100992Neuralmas
Summary page 4
…Regulatory Class: II Product Code & Review Panel: PDQ; Neurology D. Predicate Device Names Primary Predicate: NeuralMAS™ (K100992) Additional Predicate: NuVasive® Stimulation/Dissection Instruments (K112709)…
Innovative Surgical Solutions, LLC ("Iss")2010—
*K112709Stimulation/Dissection Instruments
Summary page 4
…rimary Predicate: NeuralMAS™ (K100992) Additional Predicate: NuVasive® Stimulation/Dissection Instruments (K112709) 5‐2 E. Device Description Th…
Nu Vasive, Incorporated2012—

Also cleared against K100992: 1 other device →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K223438TELIGEN System Peripheral Motor Nerve Stimulation IndicationsMedos International SARL20230

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 26 years and passes through 7 companies; a new generation was cleared every 3.5 years on median.
  • 4 of the 28 ancestors have a recall of any class.
  • Of its descendants, K223438 (Medos International SARL, 2023) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K100992.

How does its category compare?

All PDQ devices

PDQ Neurosurgical Nerve Locator: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.

FDA decisions per year · PDQ

1in 2025

2013: 52014: 72015: 32016: 32017: 22018: 42019: 42021: 22022: 22023: 12025: 12026 (partial year): 2
2007high 7 (2014) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · PDQ

182in 2019

2013: 181 days median2014: 254 days median2015: 95 days median2016: 100 days median2018: 162 days median2019: 182 days median
2007high 254 (2014) · low 95 (2015)2026

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

Recalls per year · PDQ

No recall names PDQ since 2007.

Adverse event reports per year · PDQ

2in 2025

2013: 12015: 12016: 42017: 52018: 52019: 102020: 92021: 102022: 162023: 92024: 42025: 2
2007high 16 (2022) · low 0 (2007)2025

MAUDE reports naming product code PDQ, 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
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
2013518101
2014725400
201539501
2016310004
20172—05
2018416205
20194182010
20200—09
20212—010
20222—016
20231—09
20240—04
20251—02
20262—0—

What is it indicated for?

The SENTIO MMG Pedicle Access Needles are indicated for use in pedicle pilot hole preparation and stimulation of peripheral motor nerves for location and identification during surgery, including spinal nerve roots.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K173134: SENTIO MMG Pedicle Access Needles.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K173134

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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