# K090838: Stimulus/Dissection Instruments

- Pathway: 510(k) (Traditional)
- Applicant: Axon Systems, Inc.
- Decided: Jul 20, 2009 after 115 days
- Product code: ETN (Stimulator, Nerve)
- Device class: 2
- Regulation: 21 CFR 874.1820
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 4 generations back to K980148 (1998). 10 ancestors in all.
19 later devices descend from it; 3 cite it directly.
0 of 30 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K031003: Stimulus/Dissection Instruments, Ball-Tip Probes, Medtronic Xomed, Inc. (2003) Summary page 1.
- K062996: Disposable Monopolar and Bipolar Stimulator Probes, Axon Systems, Inc. (2007) Summary page 1.
- K002677: Nuvasive Ins-1 Intraoperative Nerve Surveillance System, Nuvasive, Inc. (2000) Summary page 1.

## Most influential descendants
- K111597: Disposable Stimulating Electrode (2011), 10 descendants of its own
- K112709: Stimulation/Dissection Instruments (2012), 9 descendants of its own
- K110419: Avs Aria Neuromonitoring Probe and Avs Aria Probe Dilators (2011), 9 descendants of its own
- K132373: Biomet Access System (2014), 5 descendants of its own
- K142438: Nerve Monitoring Cable System (2015), 4 descendants of its own

## Indications for use
These instruments are indicated for tissue dissection and stimulation of spinal nerve roots for identification and location during surgery.

Source page: https://510kreport.com/device/K090838
Methodology: https://510kreport.com/methodology