510(k) Report

510(k) · Cleared

Recalled · Class II · 2024

Nalu Neurostimulation Kit (Integrated, 40 cm: Single 8/Dual 8), Nalu Neurostimulation Kit (Ported, 2 cm: Single 8/Dual 8), Dual 8 Ported Nalu Implantable Pulse Generator with 40 cm Kit, 40 cm/ 60 cm Trial/Extension Lead Kits, Patient Kits and miscellaneous replacement kits

K183579510(k) TraditionalCleared Mar 29, 201998-day reviewClass II21 CFR 882.5870Recalls 1

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

Boston Scientific Neuromodulation · GZF Stimulator, Peripheral Nerve, Implanted (Pain Relief)

Cleared on Mar 29, 2019 as substantially equivalent to K171366 (Stimwave Technologies Inc., Dba Stimq, LLC, 2017) after a 98-day review. Its family tree reaches back 7 generations to 1988. 6 later devices descend from it. It has been recalled once.

Decided
Mar 29, 2019
Review
98 days
Class
Class II
Product code
GZF
Recalls
1
Predicates
1

Its longest line of descent runs back 7 generations to K883780 (1988). 10 ancestors in all. 6 later devices descend from it, 5 citing it directly.

  1. Root · 7 generations backK883780 Xtrel, Model Number 3425Medtronic Vascular · 1988
  2. 6 generations backK141399 Freedom Spinal Cord Stimulator (SCS) SystemStimwave Technologies Incorporated · 2014
  3. 5 generations backK150517 Freedom Spinal Cord Stimulator SystemStimwave Technologies Incorporated · 2015
  4. 4 generations backK160600 Freedom Spinal Cord Stimulator SystemStimwave Technologies Incorporated · 2016
  5. 3 generations backK162161 Receiver Kit, Trial Kit, Spare Lead Kit, Sterile Revision Kit…Stimwave Technologies Incorporated · 2016
  6. 2 generations backK170141 Receiver Kit, Trial Kit, Spare Lead Kit, Sterile Revision Kit…Stimwave Technologies Incorporated · 2017
  7. 1 generation backK171366 Receiver Kit, Trial Kit, Spare Lead Kit, Sterile Revision Kit, SWAG…Stimwave Technologies Inc., Dba Stimq, LLC · 2017 · Recalled
  8. This deviceK183579 Nalu Neurostimulation Kit (Integrated, 40 cm: Single 8/Dual 8), Nalu…Boston Scientific Neuromodulation · 2019
  9. Descendant · cites it directly · 1 of its ownK202781 Neuspera Neurostimulation System (NNS)Neuspera Medical, Inc. · 2021
  10. Descendant · cites it directly · 0 of its ownK243782 StimTrial Neuromodulation SystemBioventus, LLC · 2025
  11. Descendant · cites it directly · 0 of its ownK243678 TalisMann Neuromodulation SystemBioventus, LLC · 2025
  12. Descendant · cites it directly · 0 of its ownK232415 Nalu Neurostimulation System for Peripheral Nerve StimulationBoston Scientific Neuromodulation · 2024
  13. Descendant · 2 generations on · 0 of its ownK221303 Neuspera Nuity SystemNeuspera Medical, Inc. · 2023

Showing 5 of 6 descendants. See all descendants

Descendants cleared per year

2019: 12021: 12023: 12024: 12025: 2
2019high 2 (2025) · low 0 (2020)2026

Most influential descendants

Showing 5 of 6 · See all
  • K202781Neuspera Neurostimulation System (NNS)Neuspera Medical, Inc. · 2021 · cites it directly1descendant
  • K243782StimTrial Neuromodulation SystemBioventus, LLC · 2025 · cites it directly0descendants
  • K243678TalisMann Neuromodulation SystemBioventus, LLC · 2025 · cites it directly0descendants
  • K232415Nalu Neurostimulation System for Peripheral Nerve StimulationBoston Scientific Neuromodulation · 2024 · cites it directly0descendants
  • K221303Neuspera Nuity SystemNeuspera Medical, Inc. · 2023 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K883780Xtrel, Model Number 3425Medtronic Vascular1988—
−6K141399Freedom Spinal Cord Stimulator (SCS) SystemStimwave Technologies Incorporated2014—
−5K150517Freedom Spinal Cord Stimulator SystemStimwave Technologies Incorporated2015—
−4K160600Freedom Spinal Cord Stimulator SystemStimwave Technologies Incorporated2016—
−3K162161Receiver Kit, Trial Kit, Spare Lead Kit, Sterile Revision Kit, Wearable…Stimwave Technologies Incorporated2016—
−2K170141Receiver Kit, Trial Kit, Spare Lead Kit, Sterile Revision Kit, Wearable…Stimwave Technologies Incorporated2017—
−1K171366Receiver Kit, Trial Kit, Spare Lead Kit, Sterile Revision Kit, SWAG Kit, SWAG…Stimwave Technologies Inc., Dba Stimq, LLC20176
0 (this device)K183579Nalu Neurostimulation Kit (Integrated, 40 cm: Single 8/Dual 8), Nalu…Boston Scientific Neuromodulation2019—
+1K202781Neuspera Neurostimulation System (NNS)Neuspera Medical, Inc.2021—
+1K243782StimTrial Neuromodulation SystemBioventus, LLC2025—
+1K243678TalisMann Neuromodulation SystemBioventus, LLC2025—
+1K232415Nalu Neurostimulation System for Peripheral Nerve StimulationBoston Scientific Neuromodulation2024—
+2K221303Neuspera Nuity SystemNeuspera Medical, Inc.2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199510
200110
201610

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201910
202110
202310
202410
202520
FIG. 1 — Lineage of K183579, 1988–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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 GZF? 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 GZF device

  1. #1 K243782 StimTrial Neuromodulation Systemscore 11.8 · 8 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? (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
*K171366Receiver Kit, Trial Kit, Spare Lead Kit, Sterile Revision Kit, SWAG Kit, SWAG Accessory…
Summary page 4
…ef) Class: Class II Device Classification Panel: Neurology 5.4. Legally Marketed Predicate Device(s) StimQ Peripheral Nerve Stimulator (PNS) System (K171366) by StimQ LLC Hereafter, also referred to as the StimQ PNS System or StimQ For areas where slight differences occur between the…
Stimwave Technologies Inc., Dba Stimq, LLC20176
†K152178StimQ Peripheral Nerve Stimulator (PNS) SystemStimq, LLC20166
†K150517Freedom Spinal Cord Stimulator SystemStimwave Technologies Incorporated2015—
†K934065Medtronic Mattrix 3271/3272 Neurostimulation SystemMedtronic Vascular1995—
†K883780Xtrel, Model Number 3425Medtronic Vascular1988—
†K000852Renew Neurostimulation SystemAdvanced Neuromodulation Systems2001—
†K141399Freedom Spinal Cord Stimulator (SCS) SystemStimwave Technologies Incorporated2014—

Also cleared against K171366: 2 other devices →

What descends from it? (6)

5 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K202781Neuspera Neurostimulation System (NNS)Neuspera Medical, Inc.20211
K243782StimTrial Neuromodulation SystemBioventus, LLC20250
K243678TalisMann Neuromodulation SystemBioventus, LLC20250
K232415Nalu Neurostimulation System for Peripheral Nerve StimulationBoston Scientific Neuromodulation20240
K191435IPG, integrated, 25/40 cm, single, tined, IPG, 2 cm, single 4, Lead (25/40 cm, 4…Nalu Medical, Inc.20190

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

Recalls of this device

DateClassRecallRoot causeReason
Jun 3, 2024Class IIZ-2257-2024Nonconforming Material/ComponentNeurostimulation Systems have a manufacturing non-conformance that may reduce the efficiency of the radiofrequency signals between the Implantable Pulse Generator (IPG) and the Therapy Disc, causing the IPG to be non-functional, which…

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 31 years and passes through 4 companies; a new generation was cleared every 8 months on median.
  • 2 of the 10 ancestors have a recall of any class.
  • Of its descendants, K202781 (Neuspera Medical, Inc., 2021) has gone furthest, with 1 descendant of its own.
  • 2 other devices also cite its predicate K171366.

How does its category compare?

All GZF devices

GZF Stimulator, Peripheral Nerve, Implanted (Pain Relief): FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, this device’s year, is highlighted.

FDA decisions per year · GZF

2in 2025

2015: 12016: 12017: 12019: 32020: 22021: 12022: 12023: 12024: 22025: 22026 (partial year): 2
2007high 3 (2019) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GZF

99in 2019

2019: 99 days median
2007high 99 (2019)2026

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

Recalls per year · GZF

No recall names GZF since 2007.

Adverse event reports per year · GZF

597in 2025

2007: 72008: 132009: 102010: 242011: 172012: 122013: 772014: 2682015: 3462016: 4142017: 3302018: 3182019: 642020: 1042021: 2262022: 1832023: 5242024: 6782025: 597
2007high 678 (2024) · low 7 (2007)2025

MAUDE reports naming product code GZF, 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—07
20080—013
20090—010
20100—024
20110—017
20120—012
20130—077
20140—0268
20151—0346
20161—0414
20171—0330
20180—0318
2019399064
20202—0104
20211—0226
20221—0183
20231—0524
20242—0678
20252—0597
20262—0—

What is it indicated for?

This system is indicated for pain management in adults who have severe intractable chronic pain of peripheral nerve origin, as the sole mitigating agent or as an adjunct to other modes of therapy used in a multidisciplinary approach. The system is not intended to treat pain in the craniofacial region.

The trial devices are solely used for trial stimulation (no longer thank 30 days) to determine efficacy before recommendation for a permanent (long term) device.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K183579: Nalu Neurostimulation Kit (Integrated, 40 cm: Single 8/Dual 8), Nalu Neurostimulation Kit (Ported, 2 cm: Single 8/Dual 8), Dual 8 Ported Nalu Implantable Pulse Generator with 40 cm Kit, 40 cm/ 60 cm Trial/Extension Lead Kits, Patient Kits and miscellaneous replacement kits.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K183579

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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