# K243782: StimTrial Neuromodulation System

- Pathway: 510(k) (Traditional)
- Applicant: Bioventus, LLC
- Decided: Jul 16, 2025 after 219 days
- Product code: GZF (Stimulator, Peripheral Nerve, Implanted (Pain Relief))
- Device class: 2
- Regulation: 21 CFR 882.5870
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 8 generations back to K883780 (1988). 36 ancestors in all.
No later device cites it as a predicate yet.
0 of 37 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- 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, Boston Scientific Neuromodulation (2019) Summary page 5.
- K211965: StimRouter Neuromodulation System, Bioness, Inc. (2022) Summary page 5.
- K161154: Smartpatch PNS MicroLead and Accessories, Smartpatch PNS Stimulator, Pads, and Accessories, Smartpatch PNS MicroLead and Introducer, Smartpatch PNS Pads, 4 Packs, Spr Therapeutics, LLC (2016) Summary page 6.

## Indications for use
The StimTrial System is indicated for trial stimulation (no longer than 30 days) to determine efficacy before recommendation for the StimRouter Neuromodulation System’s permanent (long term) implant indicated for pain management in adults who have severe intractable chronic pain of peripheral nerve origin, as an adjunct to other modes of therapy used in a multidisciplinary approach and not intended to treat pain in the craniofacial region.

Source page: https://510kreport.com/device/K243782
Methodology: https://510kreport.com/methodology